Fix popovers not showing on Sonoma beta (#477)

* Use .rect(bounds) on Sonoma.

* Comment

.github/workflows/add-to-project.yml

@@ -0,0 +1,16 @@
+name: Add bugs to bugs project
+
+on:
+  issues:
+    types:
+      - opened
+
+jobs:
+  add-to-project:
+    name: Add issue to project
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/add-to-project@v0.0.3
+        with:
+          project-url: https://github.com/users/maxgoedjen/projects/1
+          github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}

.github/workflows/nightly.yml

@@ -5,7 +5,8 @@ on:
     - cron: "0 8 * * *"
 jobs:
   build:
-    runs-on: macos-11.0
+#     runs-on: macOS-latest
+    runs-on: macos-13
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v2
@@ -19,7 +20,7 @@ jobs:
         APPLE_API_KEY_ID: ${{ secrets.APPLE_API_KEY_ID }}
       run: ./.github/scripts/signing.sh
     - name: Set Environment
-      run: sudo xcrun xcode-select -s /Applications/Xcode_13.2.1.app
+      run: sudo xcrun xcode-select -s /Applications/Xcode_14.3.app
     - name: Update Build Number
       env:
         RUN_ID: ${{ github.run_id }}
@@ -40,8 +41,12 @@ jobs:
       run: xcrun notarytool submit --key ~/.private_keys/AuthKey_$APPLE_API_KEY_ID.p8 --key-id $APPLE_API_KEY_ID --issuer $APPLE_API_ISSUER Secretive.zip
     - name: Document SHAs
       run: |
+            echo "sha-512:"
             shasum -a 512 Secretive.zip
             shasum -a 512 Archive.zip
+            echo "sha-256:"
+            shasum -a 256 Secretive.zip
+            shasum -a 256 Archive.zip
     - name: Upload App to Artifacts
       uses: actions/upload-artifact@v1
       with:

.github/workflows/release.yml

@@ -6,7 +6,8 @@ on:
       - '*'
 jobs:
   test:
-    runs-on: macos-11.0
+#     runs-on: macOS-latest
+    runs-on: macos-13
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v1
@@ -20,14 +21,15 @@ jobs:
         APPLE_API_KEY_ID: ${{ secrets.APPLE_API_KEY_ID }}
       run: ./.github/scripts/signing.sh
     - name: Set Environment
-      run: sudo xcrun xcode-select -s /Applications/Xcode_13.2.1.app
+      run: sudo xcrun xcode-select -s /Applications/Xcode_14.3.app
     - name: Test
       run: |
             pushd Sources/Packages
             swift test
             popd
   build:
-    runs-on: macos-11.0
+#     runs-on: macOS-latest
+    runs-on: macos-13
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v2
@@ -41,7 +43,7 @@ jobs:
         APPLE_API_KEY_ID: ${{ secrets.APPLE_API_KEY_ID }}
       run: ./.github/scripts/signing.sh
     - name: Set Environment
-      run: sudo xcrun xcode-select -s /Applications/Xcode_13.2.1.app
+      run: sudo xcrun xcode-select -s /Applications/Xcode_14.3.app
     - name: Update Build Number
       env:
         TAG_NAME: ${{ github.ref }}
@@ -64,8 +66,12 @@ jobs:
       run: xcrun notarytool submit --key ~/.private_keys/AuthKey_$APPLE_API_KEY_ID.p8 --key-id $APPLE_API_KEY_ID --issuer $APPLE_API_ISSUER Secretive.zip
     - name: Document SHAs
       run: |
+            echo "sha-512:"
             shasum -a 512 Secretive.zip
             shasum -a 512 Archive.zip
+            echo "sha-256:"
+            shasum -a 256 Secretive.zip
+            shasum -a 256 Archive.zip
     - name: Create Release
       id: create_release
       uses: actions/create-release@v1

.github/workflows/test.yml

@@ -3,12 +3,13 @@ name: Test
 on: [push, pull_request]
 jobs:
   test:
-    runs-on: macos-11.0
+#     runs-on: macOS-latest
+    runs-on: macos-13
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v2
     - name: Set Environment
-      run: sudo xcrun xcode-select -s /Applications/Xcode_13.2.1.app
+      run: sudo xcrun xcode-select -s /Applications/Xcode_14.3.app
     - name: Test
       run: |
             pushd Sources/Packages

APP_CONFIG.md

@@ -26,6 +26,15 @@ Host *
 	IdentityAgent /Users/$YOUR_USERNAME/Library/Containers/com.maxgoedjen.Secretive.SecretAgent/Data/socket.ssh
 ```
 
+## nushell
+
+Add this to your `~/.ssh/config` (the path should match the socket path from the setup flow).
+
+```
+Host *
+	IdentityAgent /Users/$YOUR_USERNAME/Library/Containers/com.maxgoedjen.Secretive.SecretAgent/Data/socket.ssh
+```
+
 ## Cyberduck
 
 Add this to `~/Library/LaunchAgents/com.maxgoedjen.Secretive.SecretAgent.plist`
@@ -51,6 +60,31 @@ Add this to `~/Library/LaunchAgents/com.maxgoedjen.Secretive.SecretAgent.plist`
 
 Log out and log in again before launching Cyberduck.
 
+## Mountain Duck
+
+Add this to `~/Library/LaunchAgents/com.maxgoedjen.Secretive.SecretAgent.plist`
+
+```
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>Label</key>
+  <string>link-ssh-auth-sock</string>
+  <key>ProgramArguments</key>
+  <array>
+    <string>/bin/sh</string>
+    <string>-c</string>
+    <string>/bin/ln -sf $HOME/Library/Containers/com.maxgoedjen.Secretive.SecretAgent/Data/socket.ssh $SSH_AUTH_SOCK</string>
+  </array>
+  <key>RunAtLoad</key>
+  <true/>
+</dict>
+</plist>
+```
+
+Log out and log in again before launching Mountain Duck.
+
 ## GitKraken
 
 Add this to `~/Library/LaunchAgents/com.maxgoedjen.Secretive.SecretAgent.plist`

FAQ.md

@@ -12,6 +12,10 @@ Secretive relies on the `SSH_AUTH_SOCK` environment variable being respected. Th
 
 Please run `ssh -Tv git@github.com` in your terminal and paste the output in a [new GitHub issue](https://github.com/maxgoedjen/secretive/issues/new) with a description of your issue.
 
+### Secretive was working for me, but now it has stopped
+
+Try running the "Setup Secretive" process by clicking on "Help", then "Setup Secretive." If that doesn't work, follow the process above.
+
 ### Secretive prompts me to type my password instead of using my Apple Watch
 
 1) Make sure you have enabled "Use your Apple Watch to unlock apps and your Mac" in System Preferences --> Security & Privacy:

README.md

@@ -3,7 +3,10 @@
 
 Secretive is an app for storing and managing SSH keys in the Secure Enclave. It is inspired by the [sekey project](https://github.com/sekey/sekey), but rewritten in Swift with no external dependencies and with a handy native management app.
 
-<img src="/.github/readme/app.png" alt="Screenshot of Secretive" width="600">
+<picture>
+  <source media="(prefers-color-scheme: dark)" srcset="/.github/readme/app-dark.png">
+  <img src="/.github/readme/app-light.png" alt="Screenshot of Secretive" width="600">
+</picture>
 
 
 ## Why?
@@ -14,7 +17,7 @@ The most common setup for SSH keys is just keeping them on disk, guarded by prop
 
 ### Access Control
 
-If your Mac has a Secure Enclave, it also has support for strong access controls like Touch ID, or authentication with Apple Watch. You can configure your key so that they require Touch ID (or Watch) authentication before they're accessed.
+If your Mac has a Secure Enclave, it also has support for strong access controls like Touch ID, or authentication with Apple Watch. You can configure your keys so that they require Touch ID (or Watch) authentication before they're accessed.
 
 <img src="/.github/readme/touchid.png" alt="Screenshot of Secretive authenticating with Touch ID" width="400">
 

Sources/Packages/Sources/Brief/UpdaterProtocol.swift

@@ -1,4 +1,5 @@
 import Foundation
+import Combine
 
 /// A protocol for retreiving the latest available version of an app.
 public protocol UpdaterProtocol: ObservableObject {

Sources/Packages/Sources/SecretAgentKit/Agent.swift

@@ -11,15 +11,18 @@ public class Agent {
     private let witness: SigningWitness?
     private let writer = OpenSSHKeyWriter()
     private let requestTracer = SigningRequestTracer()
+    private let certificateHandler = OpenSSHCertificateHandler()
+    private let logger = Logger(subsystem: "com.maxgoedjen.secretive.secretagent.agent", category: "")
 
     /// Initializes an agent with a store list and a witness.
     /// - Parameters:
     ///   - storeList: The `SecretStoreList` to make available.
     ///   - witness: A witness to notify of requests.
     public init(storeList: SecretStoreList, witness: SigningWitness? = nil) {
-        Logger().debug("Agent is running")
+        logger.debug("Agent is running")
         self.storeList = storeList
         self.witness = witness
+        certificateHandler.reloadCertificates(for: storeList.allSecrets)
     }
     
 }
@@ -33,16 +36,16 @@ extension Agent {
     /// - Return value: 
     ///   - Boolean if data could be read
     @discardableResult public func handle(reader: FileHandleReader, writer: FileHandleWriter) -> Bool {
-        Logger().debug("Agent handling new data")
+        logger.debug("Agent handling new data")
         let data = Data(reader.availableData)
         guard data.count > 4 else { return false}
         let requestTypeInt = data[4]
         guard let requestType = SSHAgent.RequestType(rawValue: requestTypeInt) else {
             writer.write(OpenSSHKeyWriter().lengthAndData(of: SSHAgent.ResponseType.agentFailure.data))
-            Logger().debug("Agent returned \(SSHAgent.ResponseType.agentFailure.debugDescription)")
+            logger.debug("Agent returned \(SSHAgent.ResponseType.agentFailure.debugDescription)")
             return true
         }
-        Logger().debug("Agent handling request of type \(requestType.debugDescription)")
+        logger.debug("Agent handling request of type \(requestType.debugDescription)")
         let subData = Data(data[5...])
         let response = handle(requestType: requestType, data: subData, reader: reader)
         writer.write(response)
@@ -50,23 +53,25 @@ extension Agent {
     }
 
     func handle(requestType: SSHAgent.RequestType, data: Data, reader: FileHandleReader) -> Data {
+        // Depending on the launch context (such as after macOS update), the agent may need to reload secrets before acting
+        reloadSecretsIfNeccessary()
         var response = Data()
         do {
             switch requestType {
             case .requestIdentities:
                 response.append(SSHAgent.ResponseType.agentIdentitiesAnswer.data)
                 response.append(identities())
-                Logger().debug("Agent returned \(SSHAgent.ResponseType.agentIdentitiesAnswer.debugDescription)")
+                logger.debug("Agent returned \(SSHAgent.ResponseType.agentIdentitiesAnswer.debugDescription)")
             case .signRequest:
                 let provenance = requestTracer.provenance(from: reader)
                 response.append(SSHAgent.ResponseType.agentSignResponse.data)
                 response.append(try sign(data: data, provenance: provenance))
-                Logger().debug("Agent returned \(SSHAgent.ResponseType.agentSignResponse.debugDescription)")
+                logger.debug("Agent returned \(SSHAgent.ResponseType.agentSignResponse.debugDescription)")
             }
         } catch {
             response.removeAll()
             response.append(SSHAgent.ResponseType.agentFailure.data)
-            Logger().debug("Agent returned \(SSHAgent.ResponseType.agentFailure.debugDescription)")
+            logger.debug("Agent returned \(SSHAgent.ResponseType.agentFailure.debugDescription)")
         }
         let full = OpenSSHKeyWriter().lengthAndData(of: response)
         return full
@@ -79,18 +84,26 @@ extension Agent {
     /// Lists the identities available for signing operations
     /// - Returns: An OpenSSH formatted Data payload listing the identities available for signing operations.
     func identities() -> Data {
-        let secrets = storeList.stores.flatMap(\.secrets)
-        var count = UInt32(secrets.count).bigEndian
-        let countData = Data(bytes: &count, count: UInt32.bitWidth/8)
+        let secrets = storeList.allSecrets
+        certificateHandler.reloadCertificates(for: secrets)
+        var count = secrets.count
         var keyData = Data()
-        let writer = OpenSSHKeyWriter()
+
         for secret in secrets {
             let keyBlob = writer.data(secret: secret)
-            keyData.append(writer.lengthAndData(of: keyBlob))
             let curveData = writer.curveType(for: secret.algorithm, length: secret.keySize).data(using: .utf8)!
+            keyData.append(writer.lengthAndData(of: keyBlob))
             keyData.append(writer.lengthAndData(of: curveData))
+            
+            if let (certificateData, name) = try? certificateHandler.keyBlobAndName(for: secret) {
+                keyData.append(writer.lengthAndData(of: certificateData))
+                keyData.append(writer.lengthAndData(of: name))
+                count += 1
             }
-        Logger().debug("Agent enumerated \(secrets.count) identities")
+        }
+        logger.log("Agent enumerated \(count) identities")
+        var countBigEndian = UInt32(count).bigEndian
+        let countData = Data(bytes: &countBigEndian, count: UInt32.bitWidth/8)
         return countData + keyData
     }
 
@@ -101,9 +114,17 @@ extension Agent {
     /// - Returns: An OpenSSH formatted Data payload containing the signed data response.
     func sign(data: Data, provenance: SigningRequestProvenance) throws -> Data {
         let reader = OpenSSHReader(data: data)
-        let hash = reader.readNextChunk()
+        let payloadHash = reader.readNextChunk()
+        let hash: Data
+        // Check if hash is actually an openssh certificate and reconstruct the public key if it is
+        if let certificatePublicKey = certificateHandler.publicKeyHash(from: payloadHash) {
+            hash = certificatePublicKey
+        } else {
+            hash = payloadHash
+        }
+        
         guard let (store, secret) = secret(matching: hash) else {
-            Logger().debug("Agent did not have a key matching \(hash as NSData)")
+            logger.debug("Agent did not have a key matching \(hash as NSData)")
             throw AgentError.noMatchingKey
         }
 
@@ -157,7 +178,7 @@ extension Agent {
             try witness.witness(accessTo: secret, from: store, by: provenance)
         }
 
-        Logger().debug("Agent signed request")
+        logger.debug("Agent signed request")
 
         return signedData
     }
@@ -166,6 +187,16 @@ extension Agent {
 
 extension Agent {
 
+    /// Gives any store with no loaded secrets a chance to reload.
+    func reloadSecretsIfNeccessary() {
+        for store in storeList.stores {
+            if store.secrets.isEmpty {
+                logger.debug("Store \(store.name, privacy: .public) has no loaded secrets. Reloading.")
+                store.reloadSecrets()
+            }
+        }
+    }
+
     /// Finds a ``Secret`` matching a specified hash whos signature was requested.
     /// - Parameter hash: The hash to match against.
     /// - Returns: A ``Secret`` and the ``SecretStore`` containing it, if a match is found.
@@ -191,6 +222,7 @@ extension Agent {
         case unhandledType
         case noMatchingKey
         case unsupportedKeyType
+        case notOpenSSHCertificate
     }
 
 }

Sources/Packages/Sources/SecretAgentKit/SSHAgentProtocol.swift

@@ -1,11 +1,11 @@
 import Foundation
 
-/// A namespace for the SSH Agent Protocol, as described in https://tools.ietf.org/id/draft-miller-ssh-agent-01.html
+/// A namespace for the SSH Agent Protocol, as described in https://datatracker.ietf.org/doc/html/draft-miller-ssh-agent#section-5.1
 public enum SSHAgent {}
 
 extension SSHAgent {
 
-    /// The type of the SSH Agent Request, as described in https://tools.ietf.org/id/draft-miller-ssh-agent-01.html#rfc.section.5.1
+    /// The type of the SSH Agent Request, as described in https://datatracker.ietf.org/doc/html/draft-miller-ssh-agent#section-5.1
     public enum RequestType: UInt8, CustomDebugStringConvertible {
 
         case requestIdentities = 11
@@ -21,10 +21,11 @@ extension SSHAgent {
         }
     }
 
-    /// The type of the SSH Agent Response, as described in https://tools.ietf.org/id/draft-miller-ssh-agent-01.html#rfc.section.5.1
+    /// The type of the SSH Agent Response, as described in https://datatracker.ietf.org/doc/html/draft-miller-ssh-agent#section-5.1
     public enum ResponseType: UInt8, CustomDebugStringConvertible {
         
         case agentFailure = 5
+        case agentSuccess = 6
         case agentIdentitiesAnswer = 12
         case agentSignResponse = 14
 
@@ -32,6 +33,8 @@ extension SSHAgent {
             switch self {
             case .agentFailure:
                 return "AgentFailure"
+            case .agentSuccess:
+                return "AgentSuccess"
             case .agentIdentitiesAnswer:
                 return "AgentIdentitiesAnswer"
             case .agentSignResponse:

Sources/Packages/Sources/SecretAgentKit/SigningRequestTracer.swift

@@ -40,7 +40,10 @@ extension SigningRequestTracer {
     func process(from pid: Int32) -> SigningRequestProvenance.Process {
         var pidAndNameInfo = self.pidAndNameInfo(from: pid)
         let ppid = pidAndNameInfo.kp_eproc.e_ppid != 0 ? pidAndNameInfo.kp_eproc.e_ppid : nil
-        let procName = String(cString: &pidAndNameInfo.kp_proc.p_comm.0)
+        let procName = withUnsafeMutablePointer(to: &pidAndNameInfo.kp_proc.p_comm.0) { pointer in
+            String(cString: pointer)
+        }
+
         let pathPointer = UnsafeMutablePointer<UInt8>.allocate(capacity: Int(MAXPATHLEN))
         _ = proc_pidpath(pid, pathPointer, UInt32(MAXPATHLEN))
         let path = String(cString: pathPointer)

Sources/Packages/Sources/SecretAgentKit/SocketController.swift

@@ -45,14 +45,20 @@ public class SocketController {
         var addr = sockaddr_un()
         addr.sun_family = sa_family_t(AF_UNIX)
 
-        let len = MemoryLayout.size(ofValue: addr.sun_path) - 1
+        var len: Int = 0
         withUnsafeMutablePointer(to: &addr.sun_path.0) { pointer in
-            // The buffer is pre-zeroed, so manual termination is unnecessary.
-            precondition(memccpy(pointer, path, 0, len) != nil)
+            path.withCString { cstring in
+                len = strlen(cstring)
+                strncpy(pointer, cstring, len)
+            }
+        }
+        addr.sun_len = UInt8(len+2)
+
+        var data: Data!
+        withUnsafePointer(to: &addr) { pointer in
+            data = Data(bytes: pointer, count: MemoryLayout<sockaddr_un>.size)
         }
-        addr.sun_len = UInt8(len)
 
-        let data = withUnsafeBytes(of: &addr, Data.init(_:))
         return SocketPort(protocolFamily: AF_UNIX, socketType: SOCK_STREAM, protocol: 0, address: data)!
     }
 

Sources/Packages/Sources/SecretKit/Documentation.docc/Documentation.md

@@ -32,3 +32,9 @@ SecretKit is a collection of protocols describing secrets and stores.
 ### Authentication Persistence
 
 - ``PersistedAuthenticationContext``
+
+### Errors
+
+- ``KeychainError``
+- ``SigningError``
+- ``SecurityError``

Sources/Packages/Sources/SecretKit/Erasers/AnySecretStore.swift

@@ -10,8 +10,10 @@ public class AnySecretStore: SecretStore {
     private let _name: () -> String
     private let _secrets: () -> [AnySecret]
     private let _sign: (Data, AnySecret, SigningRequestProvenance) throws -> Data
+    private let _verify: (Data, Data, AnySecret) throws -> Bool
     private let _existingPersistedAuthenticationContext: (AnySecret) -> PersistedAuthenticationContext?
     private let _persistAuthentication: (AnySecret, TimeInterval) throws -> Void
+    private let _reloadSecrets: () -> Void
 
     private var sink: AnyCancellable?
 
@@ -22,8 +24,10 @@ public class AnySecretStore: SecretStore {
         _id = { secretStore.id }
         _secrets = { secretStore.secrets.map { AnySecret($0) } }
         _sign = { try secretStore.sign(data: $0, with: $1.base as! SecretStoreType.SecretType, for: $2) }
+        _verify = { try secretStore.verify(signature: $0, for: $1, with: $2.base as! SecretStoreType.SecretType) }
         _existingPersistedAuthenticationContext = { secretStore.existingPersistedAuthenticationContext(secret: $0.base as! SecretStoreType.SecretType) }
         _persistAuthentication = { try secretStore.persistAuthentication(secret: $0.base as! SecretStoreType.SecretType, forDuration: $1) }
+        _reloadSecrets = { secretStore.reloadSecrets() }
         sink = secretStore.objectWillChange.sink { _ in
             self.objectWillChange.send()
         }
@@ -49,6 +53,10 @@ public class AnySecretStore: SecretStore {
         try _sign(data, secret, provenance)
     }
 
+    public func verify(signature: Data, for data: Data, with secret: AnySecret) throws -> Bool {
+        try _verify(signature, data, secret)
+    }
+
     public func existingPersistedAuthenticationContext(secret: AnySecret) -> PersistedAuthenticationContext? {
         _existingPersistedAuthenticationContext(secret)
     }
@@ -57,6 +65,10 @@ public class AnySecretStore: SecretStore {
         try _persistAuthentication(secret, duration)
     }
 
+    public func reloadSecrets() {
+        _reloadSecrets()
+    }
+
 }
 
 public class AnySecretStoreModifiable: AnySecretStore, SecretStoreModifiable {

Sources/Packages/Sources/SecretKit/KeychainTypes.swift

@@ -0,0 +1,71 @@
+import Foundation
+
+public typealias SecurityError = Unmanaged<CFError>
+
+/// Wraps a Swift dictionary in a CFDictionary.
+/// - Parameter dictionary: The Swift dictionary to wrap.
+/// - Returns: A CFDictionary containing the keys and values.
+public func KeychainDictionary(_ dictionary: [CFString: Any]) -> CFDictionary {
+    dictionary as CFDictionary
+}
+
+public extension CFError {
+
+    /// The CFError returned when a verification operation fails.
+    static let verifyError = CFErrorCreate(nil, NSOSStatusErrorDomain as CFErrorDomain, CFIndex(errSecVerifyFailed), nil)!
+
+    /// Equality operation that only considers domain and code.
+    static func ~=(lhs: CFError, rhs: CFError) -> Bool {
+        CFErrorGetDomain(lhs) == CFErrorGetDomain(rhs) && CFErrorGetCode(lhs) == CFErrorGetCode(rhs)
+    }
+
+}
+
+/// A wrapper around an error code reported by a Keychain API.
+public struct KeychainError: Error {
+    /// The status code involved, if one was reported.
+    public let statusCode: OSStatus?
+
+    /// Initializes a KeychainError with an optional error code.
+    /// - Parameter statusCode: The status code returned by the keychain operation, if one is applicable.
+    public init(statusCode: OSStatus?) {
+        self.statusCode = statusCode
+    }
+}
+
+/// A signing-related error.
+public struct SigningError: Error {
+    /// The underlying error reported by the API, if one was returned.
+    public let error: SecurityError?
+
+    /// Initializes a SigningError with an optional SecurityError.
+    /// - Parameter statusCode: The SecurityError, if one is applicable.
+    public init(error: SecurityError?) {
+        self.error = error
+    }
+
+}
+
+public extension SecretStore {
+
+    /// Returns the appropriate keychian signature algorithm to use for a given secret.
+    /// - Parameters:
+    ///   - secret: The secret which will be used for signing.
+    ///   - allowRSA: Whether or not RSA key types should be permited.
+    /// - Returns: The appropriate algorithm.
+    func signatureAlgorithm(for secret: SecretType, allowRSA: Bool = false) -> SecKeyAlgorithm {
+        switch (secret.algorithm, secret.keySize) {
+        case (.ellipticCurve, 256):
+            return .ecdsaSignatureMessageX962SHA256
+        case (.ellipticCurve, 384):
+            return .ecdsaSignatureMessageX962SHA384
+        case (.rsa, 1024), (.rsa, 2048):
+            guard allowRSA else { fatalError() }
+            return .rsaSignatureMessagePKCS1v15SHA512
+        default:
+            fatalError()
+        }
+
+    }
+
+}

Sources/Packages/Sources/SecretKit/OpenSSH/OpenSSHCertificateHandler.swift

@@ -0,0 +1,120 @@
+import Foundation
+import OSLog
+
+/// Manages storage and lookup for OpenSSH certificates.
+public class OpenSSHCertificateHandler {
+
+    private let publicKeyFileStoreController = PublicKeyFileStoreController(homeDirectory: NSHomeDirectory())
+    private let logger = Logger()
+    private let writer = OpenSSHKeyWriter()
+    private var keyBlobsAndNames: [AnySecret: (Data, Data)] = [:]
+
+    /// Initializes an OpenSSHCertificateHandler.
+    public init() {
+    }
+
+    /// Reloads any certificates in the PublicKeys folder.
+    /// - Parameter secrets: the secrets to look up corresponding certificates for.
+    public func reloadCertificates(for secrets: [AnySecret]) {
+        guard publicKeyFileStoreController.hasAnyCertificates else {
+            logger.log("No certificates, short circuiting")
+            return
+        }
+        keyBlobsAndNames = secrets.reduce(into: [:]) { partialResult, next in
+            partialResult[next] = try? loadKeyblobAndName(for: next)
+        }
+    }
+
+    /// Whether or not the certificate handler has a certifiicate associated with a given secret.
+    /// - Parameter secret: The secret to check for a certificate.
+    /// - Returns: A boolean describing whether or not the certificate handler has a certifiicate associated with a given secret
+    public func hasCertificate<SecretType: Secret>(for secret: SecretType) -> Bool {
+        keyBlobsAndNames[AnySecret(secret)] != nil
+    }
+
+
+    /// Reconstructs a public key from a ``Data``, if that ``Data`` contains an OpenSSH certificate hash. Currently only ecdsa certificates are supported
+    /// - Parameter certBlock: The openssh certificate to extract the public key from
+    /// - Returns: A ``Data`` object containing the public key in OpenSSH wire format if the ``Data`` is an OpenSSH certificate hash, otherwise nil.
+    public func publicKeyHash(from hash: Data) -> Data? {
+        let reader = OpenSSHReader(data: hash)
+        let certType = String(decoding: reader.readNextChunk(), as: UTF8.self)
+
+        switch certType {
+        case "ecdsa-sha2-nistp256-cert-v01@openssh.com",
+            "ecdsa-sha2-nistp384-cert-v01@openssh.com",
+            "ecdsa-sha2-nistp521-cert-v01@openssh.com":
+            _ = reader.readNextChunk() // nonce
+            let curveIdentifier = reader.readNextChunk()
+            let publicKey = reader.readNextChunk()
+
+            let curveType = certType.replacingOccurrences(of: "-cert-v01@openssh.com", with: "").data(using: .utf8)!
+            return writer.lengthAndData(of: curveType) +
+                   writer.lengthAndData(of: curveIdentifier) +
+                   writer.lengthAndData(of: publicKey)
+        default:
+            return nil
+        }
+    }
+
+    /// Attempts to find an OpenSSH Certificate  that corresponds to a ``Secret``
+    /// - Parameter secret: The secret to search for a certificate with
+    /// - Returns: A (``Data``, ``Data``) tuple containing the certificate and certificate name, respectively.
+    public func keyBlobAndName<SecretType: Secret>(for secret: SecretType) throws -> (Data, Data)? {
+        keyBlobsAndNames[AnySecret(secret)]
+    }
+    
+    /// Attempts to find an OpenSSH Certificate  that corresponds to a ``Secret``
+    /// - Parameter secret: The secret to search for a certificate with
+    /// - Returns: A (``Data``, ``Data``) tuple containing the certificate and certificate name, respectively.
+    private func loadKeyblobAndName<SecretType: Secret>(for secret: SecretType) throws -> (Data, Data)? {
+        let certificatePath = publicKeyFileStoreController.sshCertificatePath(for: secret)
+        guard FileManager.default.fileExists(atPath: certificatePath) else {
+            return nil
+        }
+
+        logger.debug("Found certificate for \(secret.name)")
+        let certContent = try String(contentsOfFile:certificatePath, encoding: .utf8)
+        let certElements = certContent.trimmingCharacters(in: .whitespacesAndNewlines).components(separatedBy: " ")
+
+        guard certElements.count >= 2 else {
+            logger.warning("Certificate found for \(secret.name) but failed to load")
+            throw OpenSSHCertificateError.parsingFailed
+        }
+        guard let certDecoded = Data(base64Encoded: certElements[1] as String)  else {
+            logger.warning("Certificate found for \(secret.name) but failed to decode base64 key")
+            throw OpenSSHCertificateError.parsingFailed
+        }
+
+        if certElements.count >= 3, let certName = certElements[2].data(using: .utf8) {
+            return (certDecoded, certName)
+        } else if let certName = secret.name.data(using: .utf8) {
+            logger.info("Certificate for \(secret.name) does not have a name tag, using secret name instead")
+            return (certDecoded, certName)
+        } else {
+            throw OpenSSHCertificateError.parsingFailed
+        }
+    }
+
+}
+
+extension OpenSSHCertificateHandler {
+
+    enum OpenSSHCertificateError: LocalizedError {
+        case unsupportedType
+        case parsingFailed
+        case doesNotExist
+
+        public var errorDescription: String? {
+            switch self {
+            case .unsupportedType:
+                return "The key type was unsupported"
+            case .parsingFailed:
+                return "Failed to properly parse the SSH certificate"
+            case .doesNotExist:
+                return "Certificate does not exist"
+            }
+        }
+    }
+
+}

Sources/Packages/Sources/SecretKit/OpenSSH/OpenSSHKeyWriter.swift

@@ -64,6 +64,10 @@ extension OpenSSHKeyWriter {
         switch algorithm {
         case .ellipticCurve:
             return "ecdsa-sha2-nistp" + String(describing: length)
+        case .rsa:
+            // All RSA keys use the same 512 bit hash function, per
+            // https://security.stackexchange.com/questions/255074/why-are-rsa-sha2-512-and-rsa-sha2-256-supported-but-not-reported-by-ssh-q-key
+            return "rsa-sha2-512"
         }
     }
 
@@ -76,6 +80,9 @@ extension OpenSSHKeyWriter {
         switch algorithm {
         case .ellipticCurve:
             return "nistp" + String(describing: length)
+        case .rsa:
+            // All RSA keys use the same 512 bit hash function
+            return "rsa-sha2-512"
         }
     }
 

Sources/Packages/Sources/SecretKit/PublicKeyStandinFileController.swift

@@ -15,15 +15,23 @@ public class PublicKeyFileStoreController {
 
     /// Writes out the keys specified to disk.
     /// - Parameter secrets: The Secrets to generate keys for.
-    /// - Parameter clear: Whether or not the directory should be erased before writing keys.
+    /// - Parameter clear: Whether or not any untracked files in the directory should be removed.
     public func generatePublicKeys(for secrets: [AnySecret], clear: Bool = false) throws {
         logger.log("Writing public keys to disk")
         if clear {
-            try? FileManager.default.removeItem(at: URL(fileURLWithPath: directory))
+            let validPaths = Set(secrets.map { publicKeyPath(for: $0) }).union(Set(secrets.map { sshCertificatePath(for: $0) }))
+            let contentsOfDirectory = (try? FileManager.default.contentsOfDirectory(atPath: directory)) ?? []
+            let fullPathContents = contentsOfDirectory.map { "\(directory)/\($0)" }
+
+            let untracked = Set(fullPathContents)
+                .subtracting(validPaths)
+            for path in untracked {
+                try? FileManager.default.removeItem(at: URL(fileURLWithPath: path))
+            }
         }
         try? FileManager.default.createDirectory(at: URL(fileURLWithPath: directory), withIntermediateDirectories: false, attributes: nil)
         for secret in secrets {
-            let path = path(for: secret)
+            let path = publicKeyPath(for: secret)
             guard let data = keyWriter.openSSHString(secret: secret).data(using: .utf8) else { continue }
             FileManager.default.createFile(atPath: path, contents: data, attributes: nil)
         }
@@ -34,9 +42,30 @@ public class PublicKeyFileStoreController {
     /// - Parameter secret: The Secret to return the path for.
     /// - Returns: The path to the Secret's public key.
     /// - Warning: This method returning a path does not imply that a key has been written to disk already. This method only describes where it will be written to.
-    public func path<SecretType: Secret>(for secret: SecretType) -> String {
+    public func publicKeyPath<SecretType: Secret>(for secret: SecretType) -> String {
         let minimalHex = keyWriter.openSSHMD5Fingerprint(secret: secret).replacingOccurrences(of: ":", with: "")
         return directory.appending("/").appending("\(minimalHex).pub")
     }
 
+    /// Short-circuit check to ship enumerating a bunch of paths if there's nothing in the cert directory.
+    public var hasAnyCertificates: Bool {
+        do {
+            return try FileManager.default
+                .contentsOfDirectory(atPath: directory)
+                .filter { $0.hasSuffix("-cert.pub") }
+                .isEmpty == false
+        } catch {
+            return false
+        }
+    }
+
+    /// The path for a Secret's SSH Certificate public key.
+    /// - Parameter secret: The Secret to return the path for.
+    /// - Returns: The path to the SSH Certificate public key.
+    /// - Warning: This method returning a path does not imply that a key has a SSH certificates. This method only describes where it will be.
+    public func sshCertificatePath<SecretType: Secret>(for secret: SecretType) -> String {
+        let minimalHex = keyWriter.openSSHMD5Fingerprint(secret: secret).replacingOccurrences(of: ":", with: "")
+        return directory.appending("/").appending("\(minimalHex)-cert.pub")
+    }
+
 }

Sources/Packages/Sources/SecretKit/SecretStoreList.swift

@@ -8,7 +8,7 @@ public class SecretStoreList: ObservableObject {
     @Published public var stores: [AnySecretStore] = []
     /// A modifiable store, if one is available.
     @Published public var modifiableStore: AnySecretStoreModifiable?
-    private var sinks: [AnyCancellable] = []
+    private var cancellables: Set<AnyCancellable> = []
 
     /// Initializes a SecretStoreList.
     public init() {
@@ -31,16 +31,19 @@ public class SecretStoreList: ObservableObject {
         stores.reduce(false, { $0 || $1.isAvailable })
     }
 
+    public var allSecrets: [AnySecret] {
+        stores.flatMap(\.secrets)
+    }
+
 }
 
 extension SecretStoreList {
 
     private func addInternal(store: AnySecretStore) {
         stores.append(store)
-        let sink = store.objectWillChange.sink {
+        store.objectWillChange.sink {
             self.objectWillChange.send()
-        }
-        sinks.append(sink)
+        }.store(in: &cancellables)
     }
 
 }

Sources/Packages/Sources/SecretKit/Types/Secret.swift

@@ -20,6 +20,7 @@ public protocol Secret: Identifiable, Hashable {
 public enum Algorithm: Hashable {
 
     case ellipticCurve
+    case rsa
 
     /// Initializes the Algorithm with a secAttr representation of an algorithm.
     /// - Parameter secAttr: the secAttr, represented as an NSNumber.
@@ -28,8 +29,19 @@ public enum Algorithm: Hashable {
         switch secAttrString {
         case kSecAttrKeyTypeEC:
             self = .ellipticCurve
+        case kSecAttrKeyTypeRSA:
+            self = .rsa
         default:
             fatalError()
         }
     }
+    
+    public var secAttrKeyType: CFString {
+        switch self {
+        case .ellipticCurve:
+            return kSecAttrKeyTypeEC
+        case .rsa:
+            return kSecAttrKeyTypeRSA
+        }
+    }
 }

Sources/Packages/Sources/SecretKit/Types/SecretStore.swift

@@ -23,6 +23,14 @@ public protocol SecretStore: ObservableObject, Identifiable {
     /// - Returns: The signed data.
     func sign(data: Data, with secret: SecretType, for provenance: SigningRequestProvenance) throws -> Data
 
+    /// Verifies that a signature is valid over a specified payload.
+    /// - Parameters:
+    ///   - signature: The signature over the data.
+    ///   - data: The data to verify the signature of.
+    ///   - secret: The secret whose signature to verify.
+    /// - Returns: Whether the signature was verified.
+    func verify(signature: Data, for data: Data, with secret: SecretType) throws -> Bool
+
     /// Checks to see if there is currently a valid persisted authentication for a given secret.
     /// - Parameters:
     ///   - secret: The ``Secret`` to check if there is a persisted authentication for.
@@ -36,6 +44,9 @@ public protocol SecretStore: ObservableObject, Identifiable {
     ///  - Note: This is used for temporarily unlocking access to a secret which would otherwise require authentication every single use. This is useful for situations where the user anticipates several rapid accesses to a authorization-guarded secret.
     func persistAuthentication(secret: SecretType, forDuration duration: TimeInterval) throws
 
+    /// Requests that the store reload secrets from any backing store, if neccessary.
+    func reloadSecrets()
+
 }
 
 /// A SecretStore that the Secretive admin app can modify.

Sources/Packages/Sources/SecureEnclaveSecretKit/SecureEnclaveStore.swift

@@ -1,4 +1,5 @@
 import Foundation
+import Combine
 import Security
 import CryptoTokenKit
 import LocalAuthentication
@@ -24,7 +25,7 @@ extension SecureEnclave {
         /// Initializes a Store.
         public init() {
             DistributedNotificationCenter.default().addObserver(forName: .secretStoreUpdated, object: nil, queue: .main) { _ in
-                self.reloadSecrets(notifyAgent: false)
+                self.reloadSecretsInternal(notifyAgent: false)
             }
             loadSecrets()
         }
@@ -48,7 +49,7 @@ extension SecureEnclave {
                 throw error.takeRetainedValue() as Error
             }
 
-            let attributes = [
+            let attributes = KeychainDictionary([
                 kSecAttrLabel: name,
                 kSecAttrKeyType: Constants.keyType,
                 kSecAttrTokenID: kSecAttrTokenIDSecureEnclave,
@@ -57,7 +58,7 @@ extension SecureEnclave {
                     kSecAttrIsPermanent: true,
                     kSecAttrAccessControl: access
                 ]
-            ] as CFDictionary
+            ])
 
             var createKeyError: SecurityError?
             let keypair = SecKeyCreateRandomKey(attributes, &createKeyError)
@@ -68,39 +69,39 @@ extension SecureEnclave {
                 throw KeychainError(statusCode: nil)
             }
             try savePublicKey(publicKey, name: name)
-            reloadSecrets()
+            reloadSecretsInternal()
         }
 
         public func delete(secret: Secret) throws {
-            let deleteAttributes = [
+            let deleteAttributes = KeychainDictionary([
                 kSecClass: kSecClassKey,
                 kSecAttrApplicationLabel: secret.id as CFData
-            ] as CFDictionary
+            ])
             let status = SecItemDelete(deleteAttributes)
             if status != errSecSuccess {
                 throw KeychainError(statusCode: status)
             }
-            reloadSecrets()
+            reloadSecretsInternal()
         }
 
         public func update(secret: Secret, name: String) throws {
-            let updateQuery = [
+            let updateQuery = KeychainDictionary([
                 kSecClass: kSecClassKey,
                 kSecAttrApplicationLabel: secret.id as CFData
-            ] as CFDictionary
+            ])
 
-            let updatedAttributes = [
+            let updatedAttributes = KeychainDictionary([
                 kSecAttrLabel: name,
-            ] as CFDictionary
+            ])
 
             let status = SecItemUpdate(updateQuery, updatedAttributes)
             if status != errSecSuccess {
                 throw KeychainError(statusCode: status)
             }
-            reloadSecrets()
+            reloadSecretsInternal()
         }
         
-        public func sign(data: Data, with secret: SecretType, for provenance: SigningRequestProvenance) throws -> Data {
+        public func sign(data: Data, with secret: Secret, for provenance: SigningRequestProvenance) throws -> Data {
             let context: LAContext
             if let existing = persistedAuthenticationContexts[secret], existing.valid {
                 context = existing.context
@@ -110,7 +111,7 @@ extension SecureEnclave {
                 context = newContext
             }
             context.localizedReason = "sign a request from \"\(provenance.origin.displayName)\" using secret \"\(secret.name)\""
-            let attributes = [
+            let attributes = KeychainDictionary([
                 kSecClass: kSecClassKey,
                 kSecAttrKeyClass: kSecAttrKeyClassPrivate,
                 kSecAttrApplicationLabel: secret.id as CFData,
@@ -119,7 +120,7 @@ extension SecureEnclave {
                 kSecAttrApplicationTag: Constants.keyTag,
                 kSecUseAuthenticationContext: context,
                 kSecReturnRef: true
-                ] as CFDictionary
+                ])
             var untyped: CFTypeRef?
             let status = SecItemCopyMatching(attributes, &untyped)
             if status != errSecSuccess {
@@ -137,6 +138,41 @@ extension SecureEnclave {
             return signature as Data
         }
 
+        public func verify(signature: Data, for data: Data, with secret: Secret) throws -> Bool {
+            let context = LAContext()
+            context.localizedReason = "verify a signature using secret \"\(secret.name)\""
+            context.localizedCancelTitle = "Deny"
+            let attributes = KeychainDictionary([
+                kSecClass: kSecClassKey,
+                kSecAttrKeyClass: kSecAttrKeyClassPrivate,
+                kSecAttrApplicationLabel: secret.id as CFData,
+                kSecAttrKeyType: Constants.keyType,
+                kSecAttrTokenID: kSecAttrTokenIDSecureEnclave,
+                kSecAttrApplicationTag: Constants.keyTag,
+                kSecUseAuthenticationContext: context,
+                kSecReturnRef: true
+                ])
+            var verifyError: SecurityError?
+            var untyped: CFTypeRef?
+            let status = SecItemCopyMatching(attributes, &untyped)
+            if status != errSecSuccess {
+                throw KeychainError(statusCode: status)
+            }
+            guard let untypedSafe = untyped else {
+                throw KeychainError(statusCode: errSecSuccess)
+            }
+            let key = untypedSafe as! SecKey
+            let verified = SecKeyVerifySignature(key, .ecdsaSignatureMessageX962SHA256, data as CFData, signature as CFData, &verifyError)
+            if !verified, let verifyError {
+                if verifyError.takeUnretainedValue() ~= .verifyError {
+                    return false
+                } else {
+                    throw SigningError(error: verifyError)
+                }
+            }
+            return verified
+        }
+
         public func existingPersistedAuthenticationContext(secret: Secret) -> PersistedAuthenticationContext? {
             guard let persisted = persistedAuthenticationContexts[secret], persisted.valid else { return nil }
             return persisted
@@ -163,6 +199,10 @@ extension SecureEnclave {
             }
         }
 
+        public func reloadSecrets() {
+            reloadSecretsInternal(notifyAgent: false)
+        }
+
     }
 
 }
@@ -171,18 +211,21 @@ extension SecureEnclave.Store {
 
     /// Reloads all secrets from the store.
     /// - Parameter notifyAgent: A boolean indicating whether a distributed notification should be posted, notifying other processes (ie, the SecretAgent) to reload their stores as well.
-    private func reloadSecrets(notifyAgent: Bool = true) {
+    private func reloadSecretsInternal(notifyAgent: Bool = true) {
+        let before = secrets
         secrets.removeAll()
         loadSecrets()
+        if secrets != before {
             NotificationCenter.default.post(name: .secretStoreReloaded, object: self)
             if notifyAgent {
                 DistributedNotificationCenter.default().postNotificationName(.secretStoreUpdated, object: nil, deliverImmediately: true)
             }
         }
+    }
 
     /// Loads all secrets from the store.
     private func loadSecrets() {
-        let publicAttributes = [
+        let publicAttributes = KeychainDictionary([
             kSecClass: kSecClassKey,
             kSecAttrKeyType: SecureEnclave.Constants.keyType,
             kSecAttrApplicationTag: SecureEnclave.Constants.keyTag,
@@ -190,11 +233,11 @@ extension SecureEnclave.Store {
             kSecReturnRef: true,
             kSecMatchLimit: kSecMatchLimitAll,
             kSecReturnAttributes: true
-            ] as CFDictionary
+            ])
         var publicUntyped: CFTypeRef?
         SecItemCopyMatching(publicAttributes, &publicUntyped)
         guard let publicTyped = publicUntyped as? [[CFString: Any]] else { return }
-        let privateAttributes = [
+        let privateAttributes = KeychainDictionary([
             kSecClass: kSecClassKey,
             kSecAttrKeyType: SecureEnclave.Constants.keyType,
             kSecAttrApplicationTag: SecureEnclave.Constants.keyTag,
@@ -202,7 +245,7 @@ extension SecureEnclave.Store {
             kSecReturnRef: true,
             kSecMatchLimit: kSecMatchLimitAll,
             kSecReturnAttributes: true
-            ] as CFDictionary
+            ])
         var privateUntyped: CFTypeRef?
         SecItemCopyMatching(privateAttributes, &privateUntyped)
         guard let privateTyped = privateUntyped as? [[CFString: Any]] else { return }
@@ -240,7 +283,7 @@ extension SecureEnclave.Store {
     ///   - publicKey: The public key to save.
     ///   - name: A user-facing name for the key.
     private func savePublicKey(_ publicKey: SecKey, name: String) throws {
-        let attributes = [
+        let attributes = KeychainDictionary([
             kSecClass: kSecClassKey,
             kSecAttrKeyType: SecureEnclave.Constants.keyType,
             kSecAttrKeyClass: kSecAttrKeyClassPublic,
@@ -249,37 +292,15 @@ extension SecureEnclave.Store {
             kSecAttrIsPermanent: true,
             kSecReturnData: true,
             kSecAttrLabel: name
-            ] as CFDictionary
+            ])
         let status = SecItemAdd(attributes, nil)
         if status != errSecSuccess {
-            throw SecureEnclave.KeychainError(statusCode: status)
+            throw KeychainError(statusCode: status)
         }
     }
 
 }
 
-extension SecureEnclave {
-
-    /// A wrapper around an error code reported by a Keychain API.
-    public struct KeychainError: Error {
-        /// The status code involved, if one was reported.
-        public let statusCode: OSStatus?
-    }
-
-    /// A signing-related error.
-    public struct SigningError: Error {
-        /// The underlying error reported by the API, if one was returned.
-        public let error: SecurityError?
-    }
-
-}
-
-extension SecureEnclave {
-
-    public typealias SecurityError = Unmanaged<CFError>
-
-}
-
 extension SecureEnclave {
 
     enum Constants {

Sources/Packages/Sources/SmartCardSecretKit/Documentation.docc/SmartCard.md

@@ -6,9 +6,3 @@
 
 - ``Secret``
 - ``Store``
-
-### Errors
-
-- ``KeychainError``
-- ``SigningError``
-- ``SecurityError``

Sources/Packages/Sources/SmartCardSecretKit/SmartCardStore.swift

@@ -1,4 +1,5 @@
 import Foundation
+import Combine
 import Security
 import CryptoTokenKit
 import LocalAuthentication
@@ -44,19 +45,19 @@ extension SmartCard {
             fatalError("Keys must be deleted on the smart card.")
         }
 
-        public func sign(data: Data, with secret: SecretType, for provenance: SigningRequestProvenance) throws -> Data {
+        public func sign(data: Data, with secret: Secret, for provenance: SigningRequestProvenance) throws -> Data {
             guard let tokenID = tokenID else { fatalError() }
             let context = LAContext()
             context.localizedReason = "sign a request from \"\(provenance.origin.displayName)\" using secret \"\(secret.name)\""
             context.localizedCancelTitle = "Deny"
-            let attributes = [
+            let attributes = KeychainDictionary([
                 kSecClass: kSecClassKey,
                 kSecAttrKeyClass: kSecAttrKeyClassPrivate,
                 kSecAttrApplicationLabel: secret.id as CFData,
                 kSecAttrTokenID: tokenID,
                 kSecUseAuthenticationContext: context,
                 kSecReturnRef: true
-            ] as CFDictionary
+            ])
             var untyped: CFTypeRef?
             let status = SecItemCopyMatching(attributes, &untyped)
             if status != errSecSuccess {
@@ -67,26 +68,53 @@ extension SmartCard {
             }
             let key = untypedSafe as! SecKey
             var signError: SecurityError?
-            let signatureAlgorithm: SecKeyAlgorithm
-            switch (secret.algorithm, secret.keySize) {
-            case (.ellipticCurve, 256):
-                signatureAlgorithm = .ecdsaSignatureMessageX962SHA256
-            case (.ellipticCurve, 384):
-                signatureAlgorithm = .ecdsaSignatureMessageX962SHA384
-            default:
-                fatalError()
-            }
-            guard let signature = SecKeyCreateSignature(key, signatureAlgorithm, data as CFData, &signError) else {
+            guard let signature = SecKeyCreateSignature(key, signatureAlgorithm(for: secret, allowRSA: true), data as CFData, &signError) else {
                 throw SigningError(error: signError)
             }
             return signature as Data
         }
         
-        public func existingPersistedAuthenticationContext(secret: SmartCard.Secret) -> PersistedAuthenticationContext? {
+        public func verify(signature: Data, for data: Data, with secret: Secret) throws -> Bool {
+            let attributes = KeychainDictionary([
+                kSecAttrKeyType: secret.algorithm.secAttrKeyType,
+                kSecAttrKeySizeInBits: secret.keySize,
+                kSecAttrKeyClass: kSecAttrKeyClassPublic
+            ])
+            var verifyError: SecurityError?
+            let untyped: CFTypeRef? = SecKeyCreateWithData(secret.publicKey as CFData, attributes, &verifyError)
+            guard let untypedSafe = untyped else {
+                throw KeychainError(statusCode: errSecSuccess)
+            }
+            let key = untypedSafe as! SecKey
+            let verified = SecKeyVerifySignature(key, signatureAlgorithm(for: secret, allowRSA: true), data as CFData, signature as CFData, &verifyError)
+            if !verified, let verifyError {
+                if verifyError.takeUnretainedValue() ~= .verifyError {
+                    return false
+                } else {
+                    throw SigningError(error: verifyError)
+                }
+            }
+            return verified
+        }
+
+        public func existingPersistedAuthenticationContext(secret: Secret) -> PersistedAuthenticationContext? {
             nil
         }
 
-        public func persistAuthentication(secret: SmartCard.Secret, forDuration: TimeInterval) throws {
+        public func persistAuthentication(secret: Secret, forDuration: TimeInterval) throws {
+        }
+
+        /// Reloads all secrets from the store.
+        public func reloadSecrets() {
+            DispatchQueue.main.async {
+                self.isAvailable = self.tokenID != nil
+                let before = self.secrets
+                self.secrets.removeAll()
+                self.loadSecrets()
+                if self.secrets != before {
+                    NotificationCenter.default.post(name: .secretStoreReloaded, object: self)
+                }
+            }
         }
 
     }
@@ -102,15 +130,6 @@ extension SmartCard.Store {
         reloadSecrets()
     }
 
-    /// Reloads all secrets from the store.
-    private func reloadSecrets() {
-        DispatchQueue.main.async {
-            self.isAvailable = self.tokenID != nil
-            self.secrets.removeAll()
-            self.loadSecrets()
-        }
-    }
-
     /// Loads all secrets from the store.
     private func loadSecrets() {
         guard let tokenID = tokenID else { return }
@@ -132,18 +151,17 @@ extension SmartCard.Store {
             }
         }
 
-        let attributes = [
+        let attributes = KeychainDictionary([
             kSecClass: kSecClassKey,
             kSecAttrTokenID: tokenID,
-            kSecAttrKeyType: kSecAttrKeyTypeEC, // Restrict to EC
             kSecReturnRef: true,
             kSecMatchLimit: kSecMatchLimitAll,
             kSecReturnAttributes: true
-        ] as CFDictionary
+        ])
         var untyped: CFTypeRef?
         SecItemCopyMatching(attributes, &untyped)
         guard let typed = untyped as? [[CFString: Any]] else { return }
-        let wrapped: [SmartCard.Secret] = typed.map {
+        let wrapped = typed.map {
             let name = $0[kSecAttrLabel] as? String ?? "Unnamed"
             let tokenID = $0[kSecAttrApplicationLabel] as! Data
             let algorithm = Algorithm(secAttr: $0[kSecAttrKeyType] as! NSNumber)
@@ -159,6 +177,88 @@ extension SmartCard.Store {
 
 }
 
+
+// MARK: Smart Card specific encryption/decryption/verification
+extension SmartCard.Store {
+
+    /// Encrypts a payload with a specified key.
+    /// - Parameters:
+    ///   - data: The payload to encrypt.
+    ///   - secret: The secret to encrypt with.
+    /// - Returns: The encrypted data.
+    /// - Warning: Encryption functions are deliberately only exposed on a library level, and are not exposed in Secretive itself to prevent users from data loss. Any pull requests which expose this functionality in the app will not be merged.
+    public func encrypt(data: Data, with secret: SecretType) throws -> Data {
+        let context = LAContext()
+        context.localizedReason = "encrypt data using secret \"\(secret.name)\""
+        context.localizedCancelTitle = "Deny"
+        let attributes = KeychainDictionary([
+            kSecAttrKeyType: secret.algorithm.secAttrKeyType,
+            kSecAttrKeySizeInBits: secret.keySize,
+            kSecAttrKeyClass: kSecAttrKeyClassPublic,
+            kSecUseAuthenticationContext: context
+        ])
+        var encryptError: SecurityError?
+        let untyped: CFTypeRef? = SecKeyCreateWithData(secret.publicKey as CFData, attributes, &encryptError)
+        guard let untypedSafe = untyped else {
+            throw KeychainError(statusCode: errSecSuccess)
+        }
+        let key = untypedSafe as! SecKey
+        guard let signature = SecKeyCreateEncryptedData(key, encryptionAlgorithm(for: secret), data as CFData, &encryptError) else {
+            throw SigningError(error: encryptError)
+        }
+        return signature as Data
+    }
+
+    /// Decrypts a payload with a specified key.
+    /// - Parameters:
+    ///   - data: The payload to decrypt.
+    ///   - secret: The secret to decrypt with.
+    /// - Returns: The decrypted data.
+    /// - Warning: Encryption functions are deliberately only exposed on a library level, and are not exposed in Secretive itself to prevent users from data loss. Any pull requests which expose this functionality in the app will not be merged.
+    public func decrypt(data: Data, with secret: SecretType) throws -> Data {
+        guard let tokenID = tokenID else { fatalError() }
+        let context = LAContext()
+        context.localizedReason = "decrypt data using secret \"\(secret.name)\""
+        context.localizedCancelTitle = "Deny"
+        let attributes = KeychainDictionary([
+            kSecClass: kSecClassKey,
+            kSecAttrKeyClass: kSecAttrKeyClassPrivate,
+            kSecAttrApplicationLabel: secret.id as CFData,
+            kSecAttrTokenID: tokenID,
+            kSecUseAuthenticationContext: context,
+            kSecReturnRef: true
+        ])
+        var untyped: CFTypeRef?
+        let status = SecItemCopyMatching(attributes, &untyped)
+        if status != errSecSuccess {
+            throw KeychainError(statusCode: status)
+        }
+        guard let untypedSafe = untyped else {
+            throw KeychainError(statusCode: errSecSuccess)
+        }
+        let key = untypedSafe as! SecKey
+        var encryptError: SecurityError?
+        guard let signature = SecKeyCreateDecryptedData(key, encryptionAlgorithm(for: secret), data as CFData, &encryptError) else {
+            throw SigningError(error: encryptError)
+        }
+        return signature as Data
+    }
+
+    private func encryptionAlgorithm(for secret: SecretType) -> SecKeyAlgorithm {
+        switch (secret.algorithm, secret.keySize) {
+        case (.ellipticCurve, 256):
+            return .eciesEncryptionCofactorVariableIVX963SHA256AESGCM
+        case (.ellipticCurve, 384):
+            return .eciesEncryptionCofactorVariableIVX963SHA256AESGCM
+        case (.rsa, 1024), (.rsa, 2048):
+            return .rsaEncryptionOAEPSHA512AESGCM
+        default:
+            fatalError()
+        }
+    }
+
+}
+
 extension TKTokenWatcher {
 
     /// All available tokens, excluding the Secure Enclave.
@@ -167,25 +267,3 @@ extension TKTokenWatcher {
     }
 
 }
-
-extension SmartCard {
-
-    /// A wrapper around an error code reported by a Keychain API.
-    public struct KeychainError: Error {
-        /// The status code involved.
-        public let statusCode: OSStatus
-    }
-
-    /// A signing-related error.
-    public struct SigningError: Error {
-        /// The underlying error reported by the API, if one was returned.
-        public let error: SecurityError?
-    }
-
-}
-
-extension SmartCard {
-
-    public typealias SecurityError = Unmanaged<CFError>
-
-}

Sources/Packages/Tests/SecretAgentKitTests/AgentTests.swift

@@ -61,8 +61,17 @@ class AgentTests: XCTestCase {
         var rs = r
         rs.append(s)
         let signature = try! P256.Signing.ECDSASignature(rawRepresentation: rs)
-        let valid = try! P256.Signing.PublicKey(x963Representation: Constants.Secrets.ecdsa256Secret.publicKey).isValidSignature(signature, for: dataToSign)
-        XCTAssertTrue(valid)
+        let referenceValid = try! P256.Signing.PublicKey(x963Representation: Constants.Secrets.ecdsa256Secret.publicKey).isValidSignature(signature, for: dataToSign)
+        let store = list.stores.first!
+        let derVerifies = try! store.verify(signature: signature.derRepresentation, for: dataToSign, with: AnySecret(Constants.Secrets.ecdsa256Secret))
+        let invalidRandomSignature = try? store.verify(signature: "invalid".data(using: .utf8)!, for: dataToSign, with: AnySecret(Constants.Secrets.ecdsa256Secret))
+        let invalidRandomData = try? store.verify(signature: signature.derRepresentation, for: "invalid".data(using: .utf8)!, with: AnySecret(Constants.Secrets.ecdsa256Secret))
+        let invalidWrongKey = try? store.verify(signature: signature.derRepresentation, for: dataToSign, with: AnySecret(Constants.Secrets.ecdsa384Secret))
+        XCTAssertTrue(referenceValid)
+        XCTAssertTrue(derVerifies)
+        XCTAssert(invalidRandomSignature == false)
+        XCTAssert(invalidRandomData == false)
+        XCTAssert(invalidWrongKey == false)
     }
 
     // MARK: Witness protocol

Sources/Packages/Tests/SecretAgentKitTests/StubStore.swift

@@ -27,7 +27,7 @@ extension Stub {
                                                 flags,
                                                 nil) as Any
 
-            let attributes = [
+            let attributes = KeychainDictionary([
                 kSecAttrLabel: name,
                 kSecAttrKeyType: kSecAttrKeyTypeECSECPrimeRandom,
                 kSecAttrKeySizeInBits: size,
@@ -35,11 +35,10 @@ extension Stub {
                     kSecAttrIsPermanent: true,
                     kSecAttrAccessControl: access
                 ]
-                ] as CFDictionary
+                ])
 
-            var privateKey: SecKey! = nil
-            var publicKey: SecKey! = nil
-            SecKeyGeneratePair(attributes, &publicKey, &privateKey)
+            let privateKey = SecKeyCreateRandomKey(attributes, nil)!
+            let publicKey = SecKeyCopyPublicKey(privateKey)!
             let publicAttributes = SecKeyCopyAttributes(publicKey) as! [CFString: Any]
             let privateAttributes = SecKeyCopyAttributes(privateKey) as! [CFString: Any]
             let publicData = (publicAttributes[kSecValueData] as! Data)
@@ -53,22 +52,36 @@ extension Stub {
             guard !shouldThrow else {
                 throw NSError(domain: "test", code: 0, userInfo: nil)
             }
-            let privateKey = SecKeyCreateWithData(secret.privateKey as CFData, [
+            let privateKey = SecKeyCreateWithData(secret.privateKey as CFData, KeychainDictionary([
                 kSecAttrKeyType: kSecAttrKeyTypeECSECPrimeRandom,
                 kSecAttrKeySizeInBits: secret.keySize,
                 kSecAttrKeyClass: kSecAttrKeyClassPrivate
-                ] as CFDictionary
+                ])
                 , nil)!
-            let signatureAlgorithm: SecKeyAlgorithm
-            switch secret.keySize {
-            case 256:
-                signatureAlgorithm = .ecdsaSignatureMessageX962SHA256
-            case 384:
-                signatureAlgorithm = .ecdsaSignatureMessageX962SHA384
-            default:
-                fatalError()
+            return SecKeyCreateSignature(privateKey, signatureAlgorithm(for: secret), data as CFData, nil)! as Data
         }
-            return SecKeyCreateSignature(privateKey, signatureAlgorithm, data as CFData, nil)! as Data
+
+        public func verify(signature: Data, for data: Data, with secret: Stub.Secret) throws -> Bool {
+            let attributes = KeychainDictionary([
+                kSecAttrKeyType: secret.algorithm.secAttrKeyType,
+                kSecAttrKeySizeInBits: secret.keySize,
+                kSecAttrKeyClass: kSecAttrKeyClassPublic
+            ])
+            var verifyError: Unmanaged<CFError>?
+            let untyped: CFTypeRef? = SecKeyCreateWithData(secret.publicKey as CFData, attributes, &verifyError)
+            guard let untypedSafe = untyped else {
+                throw NSError(domain: "test", code: 0, userInfo: nil)
+            }
+            let key = untypedSafe as! SecKey
+            let verified = SecKeyVerifySignature(key, signatureAlgorithm(for: secret), data as CFData, signature as CFData, &verifyError)
+            if let verifyError {
+                if verifyError.takeUnretainedValue() ~= .verifyError {
+                    return false
+                } else {
+                    throw NSError(domain: "test", code: 0, userInfo: nil)
+                }
+            }
+            return verified
         }
 
         public func existingPersistedAuthenticationContext(secret: Stub.Secret) -> PersistedAuthenticationContext? {
@@ -78,6 +91,9 @@ extension Stub {
         public func persistAuthentication(secret: Stub.Secret, forDuration duration: TimeInterval) throws {
         }
 
+        public func reloadSecrets() {
+        }
+
     }
 
 }

Sources/SecretAgent/AppDelegate.swift

@@ -34,9 +34,9 @@ class AppDelegate: NSObject, NSApplicationDelegate {
             self.socketController.handler = self.agent.handle(reader:writer:)
         }
         NotificationCenter.default.addObserver(forName: .secretStoreReloaded, object: nil, queue: .main) { [self] _ in
-            try? publicKeyFileStoreController.generatePublicKeys(for: storeList.stores.flatMap({ $0.secrets }), clear: true)
+            try? publicKeyFileStoreController.generatePublicKeys(for: storeList.allSecrets, clear: true)
         }
-        try? publicKeyFileStoreController.generatePublicKeys(for: storeList.stores.flatMap({ $0.secrets }), clear: true)
+        try? publicKeyFileStoreController.generatePublicKeys(for: storeList.allSecrets, clear: true)
         notifier.prompt()
         updateSink = updater.$update.sink { update in
             guard let update = update else { return }

Sources/SecretAgent/Notifier.swift

@@ -154,7 +154,7 @@ class NotificationDelegate: NSObject, UNUserNotificationCenterDelegate {
         case Notifier.Constants.persistAuthenticationCategoryIdentitifier:
             handlePersistAuthenticationResponse(response: response)
         default:
-            fatalError()
+            break
         }
 
         completionHandler()

Sources/Secretive.xcodeproj/project.pbxproj

@@ -31,6 +31,7 @@
 		50617D8A23FCE48E0099B055 /* Preview Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 50617D8923FCE48E0099B055 /* Preview Assets.xcassets */; };
 		50617D9923FCE48E0099B055 /* SecretiveTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50617D9823FCE48E0099B055 /* SecretiveTests.swift */; };
 		50617DD223FCEFA90099B055 /* PreviewStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50617DD123FCEFA90099B055 /* PreviewStore.swift */; };
+		5065E313295517C500E16645 /* ToolbarButtonStyle.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5065E312295517C500E16645 /* ToolbarButtonStyle.swift */; };
 		5066A6C22516F303004B5A36 /* SetupView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5066A6C12516F303004B5A36 /* SetupView.swift */; };
 		5066A6C82516FE6E004B5A36 /* CopyableView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5066A6C72516FE6E004B5A36 /* CopyableView.swift */; };
 		5066A6F7251829B1004B5A36 /* ShellConfigurationController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5066A6F6251829B1004B5A36 /* ShellConfigurationController.swift */; };
@@ -123,6 +124,7 @@
 		50617D9823FCE48E0099B055 /* SecretiveTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SecretiveTests.swift; sourceTree = "<group>"; };
 		50617D9A23FCE48E0099B055 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		50617DD123FCEFA90099B055 /* PreviewStore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PreviewStore.swift; sourceTree = "<group>"; };
+		5065E312295517C500E16645 /* ToolbarButtonStyle.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ToolbarButtonStyle.swift; sourceTree = "<group>"; };
 		5066A6C12516F303004B5A36 /* SetupView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SetupView.swift; sourceTree = "<group>"; };
 		5066A6C72516FE6E004B5A36 /* CopyableView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CopyableView.swift; sourceTree = "<group>"; };
 		5066A6F6251829B1004B5A36 /* ShellConfigurationController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShellConfigurationController.swift; sourceTree = "<group>"; };
@@ -264,6 +266,7 @@
 			isa = PBXGroup;
 			children = (
 				50617D8423FCE48E0099B055 /* ContentView.swift */,
+				5065E312295517C500E16645 /* ToolbarButtonStyle.swift */,
 				5079BA0E250F29BF00EA86F4 /* StoreListView.swift */,
 				50153E21250DECA300525160 /* SecretListItemView.swift */,
 				50C385A42407A76D00AF2719 /* SecretDetailView.swift */,
@@ -475,6 +478,7 @@
 				2C4A9D2F2636FFD3008CC8E2 /* RenameSecretView.swift in Sources */,
 				5091D2BC25183B830049FD9B /* ApplicationDirectoryController.swift in Sources */,
 				5066A6C22516F303004B5A36 /* SetupView.swift in Sources */,
+				5065E313295517C500E16645 /* ToolbarButtonStyle.swift in Sources */,
 				50617D8523FCE48E0099B055 /* ContentView.swift in Sources */,
 				50571E0324393C2600F76F6C /* JustUpdatedChecker.swift in Sources */,
 				5079BA0F250F29BF00EA86F4 /* StoreListView.swift in Sources */,

Sources/Secretive.xcodeproj/xcshareddata/xcschemes/Secretive.xcscheme

@@ -75,6 +75,7 @@
       ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
+      enableGPUValidationMode = "1"
       allowLocationSimulation = "YES">
       <BuildableProductRunnable
          runnableDebuggingMode = "0">

Sources/Secretive/Preview Content/PreviewStore.swift

@@ -40,6 +40,10 @@ extension Preview {
             return data
         }
 
+        func verify(signature data: Data, for signature: Data, with secret: Preview.Secret) throws -> Bool {
+            true
+        }
+
         func existingPersistedAuthenticationContext(secret: Preview.Secret) -> PersistedAuthenticationContext? {
             nil
         }
@@ -47,6 +51,9 @@ extension Preview {
         func persistAuthentication(secret: Preview.Secret, forDuration duration: TimeInterval) throws {
         }
 
+        func reloadSecrets() {
+        }
+
     }
 
     class StoreModifiable: Store, SecretStoreModifiable {

Sources/Secretive/Views/ContentView.swift

@@ -9,6 +9,9 @@ struct ContentView<UpdaterType: UpdaterProtocol, AgentStatusCheckerType: AgentSt
     @Binding var showingCreation: Bool
     @Binding var runningSetup: Bool
     @Binding var hasRunSetup: Bool
+    @State var showingAgentInfo = false
+    @State var activeSecret: AnySecret.ID?
+    @Environment(\.colorScheme) var colorScheme
 
     @EnvironmentObject private var storeList: SecretStoreList
     @EnvironmentObject private var updater: UpdaterType
@@ -20,17 +23,17 @@ struct ContentView<UpdaterType: UpdaterProtocol, AgentStatusCheckerType: AgentSt
     var body: some View {
         VStack {
             if storeList.anyAvailable {
-                StoreListView(showingCreation: $showingCreation)
+                StoreListView(activeSecret: $activeSecret)
             } else {
                 NoStoresView()
             }
         }
         .frame(minWidth: 640, minHeight: 320)
         .toolbar {
-            updateNotice
-            setupNotice
-            appPathNotice
-            newItem
+            toolbarItem(updateNoticeView, id: "update")
+            toolbarItem(runningOrRunSetupView, id: "setup")
+            toolbarItem(appPathNoticeView, id: "appPath")
+            toolbarItem(newItemView, id: "new")
         }
         .sheet(isPresented: $runningSetup) {
             SetupView(visible: $runningSetup, setupComplete: $hasRunSetup)
@@ -41,26 +44,42 @@ struct ContentView<UpdaterType: UpdaterProtocol, AgentStatusCheckerType: AgentSt
 
 extension ContentView {
 
-    var updateNotice: ToolbarItem<Void, AnyView> {
-        guard let update = updater.update else {
-            return ToolbarItem { AnyView(EmptyView()) }
+
+    func toolbarItem(_ view: some View, id: String) -> ToolbarItem<String, some View> {
+        ToolbarItem(id: id) { view }
     }
-        let color: Color
-        let text: String
+
+    var needsSetup: Bool {
+        (runningSetup || !hasRunSetup || !agentStatusChecker.running) && !agentStatusChecker.developmentBuild
+    }
+
+    /// Item either showing a "everything's good, here's more info" or "something's wrong, re-run setup" message
+    /// These two are mutually exclusive
+    @ViewBuilder
+    var runningOrRunSetupView: some View {
+        if needsSetup {
+            setupNoticeView
+        } else {
+            runningNoticeView
+        }
+    }
+
+    var updateNoticeContent: (String, Color)? {
+        guard let update = updater.update else { return nil }
         if update.critical {
-            text = "Critical Security Update Required"
-            color = .red
+            return ("Critical Security Update Required", .red)
         } else {
             if updater.testBuild {
-                text = "Test Build"
-                color = .blue
+                return ("Test Build", .blue)
             } else {
-                text = "Update Available"
-                color = .orange
+                return ("Update Available", .orange)
             }
         }
-        return ToolbarItem {
-            AnyView(
+    }
+
+    @ViewBuilder
+    var updateNoticeView: some View {
+        if let update = updater.update, let (text, color) = updateNoticeContent {
             Button(action: {
                 selectedUpdate = update
             }, label: {
@@ -68,41 +87,35 @@ extension ContentView {
                     .font(.headline)
                     .foregroundColor(.white)
             })
-                .background(color)
-                .cornerRadius(5)
-                .popover(item: $selectedUpdate, attachmentAnchor: .point(.bottom), arrowEdge: .bottom) { update in
+            .buttonStyle(ToolbarButtonStyle(color: color))
+            .popover(item: $selectedUpdate, attachmentAnchor: attachmentAnchor, arrowEdge: .bottom) { update in
                 UpdateDetailView(update: update)
             }
-            )
         }
     }
 
-    var newItem: ToolbarItem<Void, AnyView> {
-        guard storeList.modifiableStore?.isAvailable ?? false else {
-            return ToolbarItem { AnyView(EmptyView()) }
-        }
-        return ToolbarItem {
-            AnyView(
+    @ViewBuilder
+    var newItemView: some View {
+        if storeList.modifiableStore?.isAvailable ?? false {
             Button(action: {
                 showingCreation = true
             }, label: {
                 Image(systemName: "plus")
             })
-                .popover(isPresented: $showingCreation, attachmentAnchor: .point(.bottom), arrowEdge: .bottom) {
+            .sheet(isPresented: $showingCreation) {
                 if let modifiable = storeList.modifiableStore {
                     CreateSecretView(store: modifiable, showing: $showingCreation)
+                        .onDisappear {
+                            guard let newest = modifiable.secrets.last?.id else { return }
+                            activeSecret = newest
+                        }
+                }
+            }
         }
     }
 
-            )
-        }
-    }
-
-    var setupNotice: ToolbarItem<Void, AnyView> {
-        return ToolbarItem {
-            AnyView(
-                Group {
-                    if (runningSetup || !hasRunSetup || !agentStatusChecker.running) && !agentStatusChecker.developmentBuild  {
+    @ViewBuilder
+    var setupNoticeView: some View {
         Button(action: {
             runningSetup = true
         }, label: {
@@ -116,23 +129,39 @@ extension ContentView {
             .font(.headline)
             .foregroundColor(.white)
         })
-                        .background(Color.orange)
-                        .cornerRadius(5)
-                    } else {
-                        EmptyView()
+        .buttonStyle(ToolbarButtonStyle(color: .orange))
     }
+
+    @ViewBuilder
+    var runningNoticeView: some View {
+        Button(action: {
+            showingAgentInfo = true
+        }, label: {
+            HStack {
+                Text("Agent is Running")
+                    .font(.headline)
+                    .foregroundColor(colorScheme == .light ? Color(white: 0.3) : .white)
+                Circle()
+                    .frame(width: 10, height: 10)
+                    .foregroundColor(Color.green)
             }
-            )
+        })
+        .buttonStyle(ToolbarButtonStyle(lightColor: .black.opacity(0.05), darkColor: .white.opacity(0.05)))
+        .popover(isPresented: $showingAgentInfo, attachmentAnchor: attachmentAnchor, arrowEdge: .bottom) {
+            VStack {
+                Text("SecretAgent is Running")
+                    .font(.title)
+                    .padding(5)
+                Text("SecretAgent is a process that runs in the background to sign requests, so you don't need to keep Secretive open all the time.\n\n**You can close Secretive, and everything will still keep working.**")
+                    .frame(width: 300)
+            }
+            .padding()
         }
     }
 
-    var appPathNotice: ToolbarItem<Void, AnyView> {
-        let controller = ApplicationDirectoryController()
-        guard !controller.isInApplicationsDirectory else {
-            return ToolbarItem { AnyView(EmptyView()) }
-        }
-        return ToolbarItem {
-            AnyView(
+    @ViewBuilder
+    var appPathNoticeView: some View {
+        if !ApplicationDirectoryController().isInApplicationsDirectory {
             Button(action: {
                 showingAppPathNotice = true
             }, label: {
@@ -142,9 +171,8 @@ extension ContentView {
                 .font(.headline)
                 .foregroundColor(.white)
             })
-                .background(Color.orange)
-                .cornerRadius(5)
-                .popover(isPresented: $showingAppPathNotice, attachmentAnchor: .point(.bottom), arrowEdge: .bottom) {
+            .buttonStyle(ToolbarButtonStyle(color: .orange))
+            .popover(isPresented: $showingAppPathNotice, attachmentAnchor: attachmentAnchor, arrowEdge: .bottom) {
                 VStack {
                     Image(systemName: "exclamationmark.triangle")
                         .resizable()
@@ -155,10 +183,14 @@ extension ContentView {
                 }
                 .padding()
             }
-            )
         }
     }
 
+    var attachmentAnchor: PopoverAttachmentAnchor {
+        // Ideally .point(.bottom), but broken on Sonoma (FB12726503)
+        .rect(.bounds)
+    }
+
 }
 
 #if DEBUG
@@ -198,3 +230,4 @@ struct ContentView_Previews: PreviewProvider {
 }
 
 #endif
+

Sources/Secretive/Views/CopyableView.swift

@@ -8,6 +8,7 @@ struct CopyableView: View {
     var text: String
 
     @State private var interactionState: InteractionState = .normal
+    @Environment(\.colorScheme) private var colorScheme
 
     var body: some View {
         VStack(alignment: .leading) {
@@ -77,38 +78,32 @@ struct CopyableView: View {
     }
 
     var backgroundColor: Color {
-        let color: NSColor
         switch interactionState {
         case .normal:
-            color = .windowBackgroundColor
+            return colorScheme == .dark ? Color(white: 0.2) : Color(white: 0.885)
         case .hovering:
-            color = .unemphasizedSelectedContentBackgroundColor
+            return colorScheme == .dark ? Color(white: 0.275) : Color(white: 0.82)
         case .clicking:
-            color = .selectedContentBackgroundColor
+            return .accentColor
         }
-        return Color(color)
     }
 
     var primaryTextColor: Color {
-        let color: NSColor
         switch interactionState {
         case .normal, .hovering:
-            color = .textColor
+            return Color(.textColor)
         case .clicking:
-            color = .white
+            return .white
         }
-        return Color(color)
     }
 
     var secondaryTextColor: Color {
-        let color: NSColor
         switch interactionState {
         case .normal, .hovering:
-            color = .secondaryLabelColor
+            return Color(.secondaryLabelColor)
         case .clicking:
-            color = .white
+            return .white
         }
-        return Color(color)
     }
 
     func copy() {
@@ -128,7 +123,9 @@ struct CopyableView_Previews: PreviewProvider {
     static var previews: some View {
         Group {
             CopyableView(title: "Title", image: Image(systemName: "figure.wave"), text: "Hello world.")
+                .padding()
             CopyableView(title: "Title", image: Image(systemName: "figure.wave"), text: "Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. Long text. ")
+                .padding()
         }
     }
 }

Sources/Secretive/Views/CreateSecretView.swift

@@ -12,19 +12,25 @@ struct CreateSecretView<StoreType: SecretStoreModifiable>: View {
     var body: some View {
         VStack {
             HStack {
-                Image(nsImage: NSApplication.shared.applicationIconImage)
-                    .resizable()
-                    .frame(width: 64, height: 64)
-                    .padding()
                 VStack {
                     HStack {
-                        Text("Create a New Secret").bold()
+                        Text("Create a New Secret")
+                            .font(.largeTitle)
                         Spacer()
                     }
                     HStack {
                         Text("Name:")
-                        TextField("Shhhhh", text: $name).focusable()
+                        TextField("Shhhhh", text: $name)
+                            .focusable()
                     }
+                    if #available(macOS 12.0, *) {
+                        ThumbnailPickerView(items: [
+                            ThumbnailPickerView.Item(value: true, name: "Require Authentication", description: "You will be required to authenticate using Touch ID, Apple Watch, or password before each use.", thumbnail: AuthenticationView()),
+                            ThumbnailPickerView.Item(value: false, name: "Notify",
+                                                     description: "No authentication is required while your Mac is unlocked, but you will be notified when a secret is used.",
+                                                     thumbnail: NotificationView())
+                        ], selection: $requiresAuthentication)
+                    } else {
                         HStack {
                             VStack(spacing: 20) {
                                 Picker("", selection: $requiresAuthentication) {
@@ -32,8 +38,9 @@ struct CreateSecretView<StoreType: SecretStoreModifiable>: View {
                                     Text("Authentication not required when Mac is unlocked").tag(false)
                                 }
                                 .pickerStyle(RadioGroupPickerStyle())
+                                Spacer(minLength: 10)
+                            }
                         }
-                        Spacer()
                     }
                 }
             }
@@ -54,4 +61,208 @@ struct CreateSecretView<StoreType: SecretStoreModifiable>: View {
         try! store.create(name: name, requiresAuthentication: requiresAuthentication)
         showing = false
     }
+
 }
+
+struct ThumbnailPickerView<ValueType: Hashable>: View {
+
+    private let items: [Item<ValueType>]
+    @Binding var selection: ValueType
+
+    init(items: [ThumbnailPickerView<ValueType>.Item<ValueType>], selection: Binding<ValueType>) {
+        self.items = items
+        _selection = selection
+    }
+
+    var body: some View {
+        HStack(alignment: .top) {
+            ForEach(items) { item in
+                VStack(alignment: .leading, spacing: 15) {
+                    item.thumbnail
+                        .frame(height: 200)
+                        .overlay(RoundedRectangle(cornerRadius: 10)
+                            .stroke(lineWidth: item.value == selection ? 15 : 0))
+                        .clipShape(RoundedRectangle(cornerRadius: 10, style: .continuous))
+                        .foregroundColor(.accentColor)
+                    VStack(alignment: .leading, spacing: 5) {
+                        Text(item.name)
+                            .bold()
+                        Text(item.description)
+                            .fixedSize(horizontal: false, vertical: true)
+                    }
+                }
+                .frame(width: 250)
+                .onTapGesture {
+                    withAnimation(.spring()) {
+                        selection = item.value
+                    }
+                }
+            }
+            .padding(5)
+        }
+    }
+
+}
+
+extension ThumbnailPickerView {
+
+    struct Item<ValueType: Hashable>: Identifiable {
+        let id = UUID()
+        let value: ValueType
+        let name: String
+        let description: String
+        let thumbnail: AnyView
+
+        init<ViewType: View>(value: ValueType, name: String, description: String, thumbnail: ViewType) {
+            self.value = value
+            self.name = name
+            self.description = description
+            self.thumbnail = AnyView(thumbnail)
+        }
+    }
+
+}
+
+@MainActor class SystemBackground: ObservableObject {
+
+    static let shared = SystemBackground()
+    @Published var image: NSImage?
+
+    private init() {
+        if let mainScreen = NSScreen.main, let imageURL = NSWorkspace.shared.desktopImageURL(for: mainScreen) {
+            image = NSImage(contentsOf: imageURL)
+        } else {
+            image = nil
+        }
+    }
+
+}
+
+@available(macOS 12.0, *)
+struct SystemBackgroundView: View {
+
+    let anchor: UnitPoint
+
+    var body: some View {
+        if let image = SystemBackground.shared.image {
+            Image(nsImage: image)
+                .resizable()
+                .scaleEffect(3, anchor: anchor)
+                .clipped()
+                .allowsHitTesting(false)
+        } else {
+            Rectangle()
+                .foregroundColor(Color(.systemPurple))
+        }
+    }
+}
+
+@available(macOS 12.0, *)
+struct AuthenticationView: View {
+
+    var body: some View {
+        ZStack {
+            SystemBackgroundView(anchor: .center)
+            GeometryReader { geometry in
+                VStack {
+                    Image(systemName: "touchid")
+                        .resizable()
+                        .aspectRatio(contentMode: .fit)
+                        .foregroundColor(Color(.systemRed))
+                    Text("Touch ID Prompt")
+                        .font(.headline)
+                        .foregroundColor(.primary)
+                        .redacted(reason: .placeholder)
+                    VStack {
+                        Text("Touch ID Detail prompt.Detail two.")
+                            .font(.caption2)
+                            .foregroundColor(.primary)
+                        Text("Touch ID Detail prompt.Detail two.")
+                            .font(.caption2)
+                            .foregroundColor(.primary)
+                    }
+                    .redacted(reason: .placeholder)
+                    RoundedRectangle(cornerRadius: 5)
+                        .frame(width: geometry.size.width, height: 20, alignment: .center)
+                        .foregroundColor(.accentColor)
+                    RoundedRectangle(cornerRadius: 5)
+                        .frame(width: geometry.size.width, height: 20, alignment: .center)
+                        .foregroundColor(Color(.unemphasizedSelectedContentBackgroundColor))
+                }
+            }
+            .padding()
+            .frame(width: 150)
+            .background(
+                RoundedRectangle(cornerRadius: 15)
+                    .foregroundStyle(.ultraThickMaterial)
+            )
+            .padding()
+
+        }
+    }
+
+}
+
+@available(macOS 12.0, *)
+struct NotificationView: View {
+
+    var body: some View {
+        ZStack {
+            SystemBackgroundView(anchor: .topTrailing)
+            VStack {
+                Rectangle()
+                    .background(Color.clear)
+                    .foregroundStyle(.thinMaterial)
+                    .frame(height: 35)
+                VStack {
+                    HStack {
+                        Spacer()
+                        HStack {
+                            Image(nsImage: NSApplication.shared.applicationIconImage)
+                                .resizable()
+                                .frame(width: 64, height: 64)
+                                .foregroundColor(.primary)
+                            VStack(alignment: .leading) {
+                                Text("Secretive")
+                                    .font(.title)
+                                    .foregroundColor(.primary)
+                                Text("Secretive wants to sign")
+                                    .font(.body)
+                                    .foregroundColor(.primary)
+                            }
+                        }.padding()
+                            .redacted(reason: .placeholder)
+                            .background(
+                                RoundedRectangle(cornerRadius: 15)
+                                    .foregroundStyle(.ultraThickMaterial)
+                            )
+                    }
+                    Spacer()
+                }
+                .padding()
+            }
+        }
+    }
+
+}
+
+#if DEBUG
+
+struct CreateSecretView_Previews: PreviewProvider {
+
+    static var previews: some View {
+        Group {
+            CreateSecretView(store: Preview.StoreModifiable(), showing: .constant(true))
+            if #available(macOS 12.0, *) {
+                AuthenticationView().environment(\.colorScheme, .dark)
+                AuthenticationView().environment(\.colorScheme, .light)
+                NotificationView().environment(\.colorScheme, .dark)
+                NotificationView().environment(\.colorScheme, .light)
+            } else {
+                // Fallback on earlier versions
+            }
+        }
+    }
+}
+
+#endif

Sources/Secretive/Views/DeleteSecretView.swift

@@ -35,7 +35,6 @@ struct DeleteSecretView<StoreType: SecretStoreModifiable>: View {
                 Spacer()
                 Button("Delete", action: delete)
                     .disabled(confirm != secret.name)
-                    .keyboardShortcut(.delete)
                 Button("Don't Delete") {
                     dismissalBlock(false)
                 }

Sources/Secretive/Views/EmptyStoreView.swift

@@ -34,7 +34,7 @@ struct EmptyStoreImmutableView: View {
         VStack {
             Text("No Secrets").bold()
             Text("Use your Smart Card's management tool to create a secret.")
-            Text("Secretive only supports Elliptic Curve keys.")
+            Text("Secretive supports EC256, EC384, RSA1024, and RSA2048 keys.")
         }.frame(maxWidth: .infinity, maxHeight: .infinity)
     }
     

Sources/Secretive/Views/SecretDetailView.swift

@@ -21,7 +21,7 @@ struct SecretDetailView<SecretType: Secret>: View {
                     CopyableView(title: "Public Key", image: Image(systemName: "key"), text: keyString)
                     Spacer()
                         .frame(height: 20)
-                    CopyableView(title: "Public Key Path", image: Image(systemName: "lock.doc"), text: publicKeyFileStoreController.path(for: secret))
+                    CopyableView(title: "Public Key Path", image: Image(systemName: "lock.doc"), text: publicKeyFileStoreController.publicKeyPath(for: secret))
                     Spacer()
                 }
             }

Sources/Secretive/Views/SecretListItemView.swift

@@ -29,7 +29,8 @@ struct SecretListItemView: View {
             } else {
                 Text(secret.name)
             }
-        }.contextMenu {
+        }
+        .contextMenu {
             if store is AnySecretStoreModifiable {
                 Button(action: { isRenaming = true }) {
                     Text("Rename")

Sources/Secretive/Views/StoreListView.swift

@@ -1,11 +1,10 @@
 import SwiftUI
+import Combine
 import SecretKit
 
 struct StoreListView: View {
 
-    @Binding var showingCreation: Bool
-    
-    @State private var activeSecret: AnySecret.ID?
+    @Binding var activeSecret: AnySecret.ID?
     
     @EnvironmentObject private var storeList: SecretStoreList
 
@@ -14,7 +13,7 @@ struct StoreListView: View {
     }
 
     private func secretRenamed(secret: AnySecret) {
-        activeSecret = nextDefaultSecret
+        activeSecret = secret.id
     }
 
     var body: some View {

Sources/Secretive/Views/ToolbarButtonStyle.swift

@@ -0,0 +1,37 @@
+import SwiftUI
+
+struct ToolbarButtonStyle: ButtonStyle {
+
+    private let lightColor: Color
+    private let darkColor: Color
+    @Environment(\.colorScheme) var colorScheme
+    @State var hovering = false
+
+    init(color: Color) {
+        self.lightColor = color
+        self.darkColor = color
+    }
+
+    init(lightColor: Color, darkColor: Color) {
+        self.lightColor = lightColor
+        self.darkColor = darkColor
+    }
+
+    func makeBody(configuration: Configuration) -> some View {
+        configuration.label
+            .padding(EdgeInsets(top: 6, leading: 8, bottom: 6, trailing: 8))
+            .background(colorScheme == .light ? lightColor : darkColor)
+            .foregroundColor(.white)
+            .clipShape(RoundedRectangle(cornerRadius: 5))
+            .overlay(
+                RoundedRectangle(cornerRadius: 5)
+                    .stroke(colorScheme == .light ? .black.opacity(0.15) : .white.opacity(0.15), lineWidth: 1)
+                    .background(hovering ? (colorScheme == .light ? .black.opacity(0.1) : .white.opacity(0.05)) : Color.clear)
+            )
+            .onHover { hovering in
+                withAnimation {
+                    self.hovering = hovering
+                }
+            }
+    }
+}