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[crypto] Add an explicit "RSA signature incorrect" error message 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2012-03-27 14:58:45 +01:00
parent d45392a67f
commit ed64732b73
1 changed files with 7 additions and 1 deletions
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8
src/crypto/rsa.c
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@ -39,6 +39,12 @@ FILE_LICENCE ( GPL2_OR_LATER );
* RSA is documented in RFC 3447.
*/
/* Disambiguate the various error causes */
#define EACCES_VERIFY \
__einfo_error ( EINFO_EACCES_VERIFY )
#define EINFO_EACCES_VERIFY \
__einfo_uniqify ( EINFO_EACCES, 0x01, "RSA signature incorrect" )
/** "rsaEncryption" object identifier */
static uint8_t oid_rsa_encryption[] = { ASN1_OID_RSAENCRYPTION };
@ -610,7 +616,7 @@ static int rsa_verify ( void *ctx, struct digest_algorithm *digest,
if ( memcmp ( actual, expected, context->max_len ) != 0 ) {
DBGC ( context, "RSA %p signature verification failed\n",
context );
return -EACCES;
return -EACCES_VERIFY;
}
DBGC ( context, "RSA %p signature verified successfully\n", context );