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Add checks for pk_alg.

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Used to be implicitly done by oid_get_pk_alg().
This commit is contained in:
Manuel Pégourié-Gonnard 2013-07-04 11:57:13 +02:00
parent a9e54129b5
commit 80300ad0d9
1 changed files with 8 additions and 2 deletions
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10
library/x509parse.c
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@ -511,8 +511,11 @@ static int x509_get_pubkey( unsigned char **p,
/*
* only RSA public keys handled at this time
*/
if( oid_get_pk_alg( pk_alg_oid, &pk_alg ) != 0 )
if( oid_get_pk_alg( pk_alg_oid, &pk_alg ) != 0 ||
pk_alg != POLARSSL_PK_RSA )
{
return( POLARSSL_ERR_X509_UNKNOWN_PK_ALG );
}
if( ( ret = asn1_get_tag( p, end, &len, ASN1_BIT_STRING ) ) != 0 )
return( POLARSSL_ERR_X509_CERT_INVALID_PUBKEY + ret );
@ -2256,8 +2259,11 @@ static int x509parse_key_pkcs8_unencrypted_der(
/*
* only RSA keys handled at this time
*/
if( oid_get_pk_alg( &pk_alg_oid, &pk_alg ) != 0 )
if( oid_get_pk_alg( &pk_alg_oid, &pk_alg ) != 0 ||
pk_alg != POLARSSL_PK_RSA )
{
return( POLARSSL_ERR_X509_UNKNOWN_PK_ALG );
}
/*
* Get the OCTET STRING and parse the PKCS#1 format inside