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Correct parsing checks in pk_parse_key

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Two code-paths in `pk_parse_key` returned success on a failure in `pk_setup`.
This commit is contained in:
Hanno Becker 2017-09-28 16:52:51 +01:00
parent ea65d0377c
commit 20f4c78f26
1 changed files with 12 additions and 12 deletions
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24
library/pkparse.c
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@ -1195,29 +1195,29 @@ int pk_parse_key( pk_context *pk,
pk_free( pk );
#if defined(POLARSSL_RSA_C)
if( ( pk_info = pk_info_from_type( POLARSSL_PK_RSA ) ) == NULL )
return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
pk_info = pk_info_from_type( POLARSSL_PK_RSA );
if( ( ret = pk_init_ctx( pk, pk_info ) ) != 0 ||
( ret = pk_parse_key_pkcs1_der( pk_rsa( *pk ), key, keylen ) ) == 0 )
( ret = pk_parse_key_pkcs1_der( pk_rsa( *pk ), key, keylen ) ) != 0 )
{
pk_free( pk );
}
else
{
return( 0 );
}
pk_free( pk );
#endif /* POLARSSL_RSA_C */
#if defined(POLARSSL_ECP_C)
if( ( pk_info = pk_info_from_type( POLARSSL_PK_ECKEY ) ) == NULL )
return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
pk_info = pk_info_from_type( POLARSSL_PK_ECKEY );
if( ( ret = pk_init_ctx( pk, pk_info ) ) != 0 ||
( ret = pk_parse_key_sec1_der( pk_ec( *pk ), key, keylen ) ) == 0 )
( ret = pk_parse_key_sec1_der( pk_ec( *pk ), key, keylen ) ) != 0 )
{
pk_free( pk );
}
else
{
return( 0 );
}
pk_free( pk );
#endif /* POLARSSL_ECP_C */
return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT );