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Compare encodings in X509_cmp as well as hash.

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This commit is contained in:
Dr. Stephen Henson 2014-01-26 16:28:27 +00:00
parent 3323314fc1
commit ec492c8a5a
1 changed files with 14 additions and 1 deletions
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15
crypto/x509/x509_cmp.c
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@ -178,11 +178,24 @@ unsigned long X509_subject_name_hash_old(X509 *x)
*/
int X509_cmp(const X509 *a, const X509 *b)
{
int rv;
/* ensure hash is valid */
X509_check_purpose((X509 *)a, -1, 0);
X509_check_purpose((X509 *)b, -1, 0);
return memcmp(a->sha1_hash, b->sha1_hash, SHA_DIGEST_LENGTH);
rv = memcmp(a->sha1_hash, b->sha1_hash, SHA_DIGEST_LENGTH);
if (rv)
return rv;
/* Check for match against stored encoding too */
if (!a->cert_info->enc.modified && !b->cert_info->enc.modified)
{
rv = (int)(a->cert_info->enc.len - b->cert_info->enc.len);
if (rv)
return rv;
return memcmp(a->cert_info->enc.enc, b->cert_info->enc.enc,
a->cert_info->enc.len);
}
return rv;
}
#endif