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added some trust model stuff

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This commit is contained in:
Werner Koch 1998-01-16 21:15:24 +00:00
parent 1ce26aa6d6
commit 4ec1775f3e
49 changed files with 1580 additions and 331 deletions
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15
g10/sig-check.c
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@ -143,7 +143,7 @@ signature_check( PKT_signature *sig, MD_HANDLE digest )
md_putc( digest, a & 0xff );
}
md_final( digest );
dp = md_read( digest, 0 );
dp = md_read( digest, DIGEST_ALGO_RMD160 );
for(i=19; i >= 0; i--, dp++ )
if( mpi_getbyte( result, i ) != *dp ) {
rc = G10ERR_BAD_SIGN;
@ -187,7 +187,7 @@ signature_check( PKT_signature *sig, MD_HANDLE digest )
md_putc( digest, a & 0xff );
}
md_final( digest );
dp = md_read( digest, 0 );
dp = md_read( digest, DIGEST_ALGO_MD5 );
for(i=15; i >= 0; i--, dp++ )
if( mpi_getbyte( result, i ) != *dp ) {
rc = G10ERR_BAD_SIGN;
@ -220,7 +220,7 @@ signature_check( PKT_signature *sig, MD_HANDLE digest )
* check the signature pointed to by NODE. This is a key signatures
*/
int
check_key_signature( KBNODE root, KBNODE node )
check_key_signature( KBNODE root, KBNODE node, int *is_selfsig )
{
KBNODE unode;
MD_HANDLE md;
@ -229,6 +229,8 @@ check_key_signature( KBNODE root, KBNODE node )
int algo;
int rc;
if( is_selfsig )
*is_selfsig = 0;
assert( node->pkt->pkttype == PKT_SIGNATURE );
assert( (node->pkt->pkt.signature->sig_class&~3) == 0x10 );
assert( root->pkt->pkttype == PKT_PUBLIC_CERT );
@ -250,6 +252,13 @@ check_key_signature( KBNODE root, KBNODE node )
if( unode && unode->pkt->pkttype == PKT_USER_ID ) {
PKT_user_id *uid = unode->pkt->pkt.user_id;
if( is_selfsig ) {
u32 keyid[2];
keyid_from_pkc( pkc, keyid );
if( keyid[0] == sig->keyid[0] && keyid[1] == sig->keyid[1] )
*is_selfsig = 1;
}
md = md_open( algo, 0 );
hash_public_cert( md, pkc );
md_write( md, uid->name, uid->len );