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add special auth functions

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This commit is contained in:
Duncan Laurie
2004-10-25 19:21:13 +00:00
parent a3a95fb770
commit 2c189f0663
2 changed files with 58 additions and 0 deletions
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57
ipmitool/src/plugins/lan/auth.c
View File

@ -165,3 +165,60 @@ unsigned char * ipmi_auth_md2(struct ipmi_session * s, unsigned char * data, int
return md;
#endif /*HAVE_CRYPTO_MD2*/
}
/* special authentication method */
unsigned char * ipmi_auth_special(struct ipmi_session * s)
{
#ifdef HAVE_CRYPTO_MD5
MD5_CTX ctx;
static unsigned char md[16];
unsigned char challenge[16];
int i;
memset(challenge, 0, 16);
memset(md, 0, 16);
memset(&ctx, 0, sizeof(MD5_CTX));
MD5_Init(&ctx);
MD5_Update(&ctx, (const unsigned char *)s->authcode, strlen(s->authcode));
MD5_Final(md, &ctx);
for (i=0; i<16; i++)
challenge[i] = s->challenge[i] ^ md[i];
memset(md, 0, 16);
memset(&ctx, 0, sizeof(MD5_CTX));
MD5_Init(&ctx);
MD5_Update(&ctx, (const unsigned char *)challenge, 16);
MD5_Final(md, &ctx);
return md;
#else /*HAVE_CRYPTO_MD5*/
int i;
md5_state_t state;
static md5_byte_t digest[16];
unsigned char challenge[16];
memset(challenge, 0, 16);
memset(digest, 0, 16);
memset(&state, 0, sizeof(md5_state_t));
md5_init(&state);
md5_append(&state, (const md5_byte_t *)s->authcode, strlen(s->authcode));
md5_finish(&state, digest);
for (i=0; i<16; i++)
challenge[i] = s->challenge[i] ^ digest[i];
memset(digest, 0, 16);
memset(&state, 0, sizeof(md5_state_t));
md5_init(&state);
md5_append(&state, (const md5_byte_t *)challenge, 16);
md5_finish(&state, digest);
return digest;
#endif /*HAVE_CRYPTO_MD5*/
}

1
ipmitool/src/plugins/lan/auth.h
View File

@ -39,5 +39,6 @@
unsigned char * ipmi_auth_md2(struct ipmi_session * s, unsigned char * data, int data_len);
unsigned char * ipmi_auth_md5(struct ipmi_session * s, unsigned char * data, int data_len);
unsigned char * ipmi_auth_special(struct ipmi_session * s);
#endif /*IPMI_AUTH_H*/