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Integrate Wikis - Step 1
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@@ -12,14 +12,14 @@ Thanks to Jay Lee for the original version of this document.
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## Introduction
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GAM7 supports using a [YubiKey](https://www.yubico.com/products/yubikey-5-overview/) to generate and store the service account's private RSA key. Private keys generated by the YubiKey cannot be exported even to the computer running GAM7. When compared to the plain text oauth2service.json file with the private key stored in text, the YubiKey offers a more secure option that prevents digital theft and copying of the private key. Instead of reading the private key from the oauth2service.json file and signing requests itself, GAM7 will simply send signing requests to the YubiKey and get back the signature.
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GAM7 version 6.50.01 or higher is required. Best practice is to always use the [latest version of GAM7](https://github.com/taers232c/GAMADV-XTD3/wiki/How-to-Update-Advanced-GAM).
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GAM7 version 6.50.01 or higher is required. Best practice is to always use the [latest version of GAM7](https://github.com/GAM-team/GAM/wiki/How-to-Update-Advanced-GAM).
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## FAQs
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### Can I use a Google Titan or other brand security key?
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No, while Titan keys are great as security keys / U2F / 2SV, that is not the protocol being used by GAM7 here. GAM7 uses the PIV app of YubiKeys to work with service accounts. You need to use [a genuine Yubikey.](https://yubico.com/genuine/).
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### Does this protect the admin credentials GAM7 stores in oauth2.txt?
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No, the admin credentials GAM7 stores in oauth2.txt are not protected by the YubiKey as they are not using RSA private keys. Only the service account credentials normally stored in oauth2service.json are protected. The service account credentials are used for domain-wide delegation operations like managing Workspace user data in Drive, Gmail and Calendar. Note that GAM7 also has the ability to perform admin actions as a delegated admin service account (DASA). See [instructions for setting up DASA](https://github.com/taers232c/GAMADV-XTD3/wiki/Using-GAMADV-XTD3-with-a-delegated-admin-service-account.md). When DASA is setup, GAM7 will use the service account to authenticate which can be protected by the YubiKey.
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No, the admin credentials GAM7 stores in oauth2.txt are not protected by the YubiKey as they are not using RSA private keys. Only the service account credentials normally stored in oauth2service.json are protected. The service account credentials are used for domain-wide delegation operations like managing Workspace user data in Drive, Gmail and Calendar. Note that GAM7 also has the ability to perform admin actions as a delegated admin service account (DASA). See [instructions for setting up DASA](https://github.com/GAM-team/GAM/wiki/Using-GAM7-with-a-delegated-admin-service-account.md). When DASA is setup, GAM7 will use the service account to authenticate which can be protected by the YubiKey.
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### What if someone physically steals the YubiKey?
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The YubiKey can be configured with a PIN that must be entered in order for it to sign data with the private key. GAM7 stores this PIN string in the oauth2service.json file so it can use it as needed. What this means is that an attacker would need to steal *both* the physical YubiKey and the PIN stored in oauth2service.json. The recommendation is to store oauth2service.json and the rest of the GAM directory on an encrypted partition. The YubiKey itself should also be kept in a secure location.
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