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Move "constant" code outside a loop

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Manuel Pégourié-Gonnard 2013-08-23 16:47:30 +02:00 committed by Paul Bakker
parent c8676784ff
commit cffe4a65bd
1 changed files with 12 additions and 13 deletions
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25
library/x509parse.c
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@ -3505,6 +3505,17 @@ static int x509parse_verify_top(
*/ */
*flags |= BADCERT_NOT_TRUSTED; *flags |= BADCERT_NOT_TRUSTED;
md_info = md_info_from_type( child->sig_md );
if( md_info == NULL )
{
/*
* Cannot check 'unknown', no need to try any CA
*/
trust_ca = NULL;
}
else
md( md_info, child->tbs.p, child->tbs.len, hash );
while( trust_ca != NULL ) while( trust_ca != NULL )
{ {
if( trust_ca->version == 0 || if( trust_ca->version == 0 ||
@ -3534,18 +3545,6 @@ static int x509parse_verify_top(
continue; continue;
} }
md_info = md_info_from_type( child->sig_md );
if( md_info == NULL )
{
/*
* Cannot check 'unknown' hash
*/
trust_ca = trust_ca->next;
continue;
}
md( md_info, child->tbs.p, child->tbs.len, hash );
if( pk_can_do( &trust_ca->pk, child->sig_pk ) == 0 || if( pk_can_do( &trust_ca->pk, child->sig_pk ) == 0 ||
pk_verify( &trust_ca->pk, child->sig_md, hash, md_info->size, pk_verify( &trust_ca->pk, child->sig_md, hash, md_info->size,
child->sig.p, child->sig.len ) != 0 ) child->sig.p, child->sig.len ) != 0 )
@ -3571,7 +3570,7 @@ static int x509parse_verify_top(
memcmp( child->subject_raw.p, trust_ca->subject_raw.p, memcmp( child->subject_raw.p, trust_ca->subject_raw.p,
child->issuer_raw.len ) != 0 ) ) child->issuer_raw.len ) != 0 ) )
{ {
/* Check trusted CA's CRL for then chain's top crt */ /* Check trusted CA's CRL for the chain's top crt */
*flags |= x509parse_verifycrl( child, trust_ca, ca_crl ); *flags |= x509parse_verifycrl( child, trust_ca, ca_crl );
if( x509parse_time_expired( &trust_ca->valid_to ) ) if( x509parse_time_expired( &trust_ca->valid_to ) )