lib/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-12-24 17:41:01 +03:00
Code Activity

pk_set_type() cannot be used to reset key type

Browse Source
This commit is contained in:
Manuel Pégourié-Gonnard
2013-07-09 10:21:34 +02:00
committed by Paul Bakker
parent 0a64e8f1fd
commit 374e4b87d4
4 changed files with 24 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
library/error.c
View File

@@ -250,6 +250,8 @@ void polarssl_strerror( int ret, char *buf, size_t buflen )
#if defined(POLARSSL_PK_C)
if( use_ret == -(POLARSSL_ERR_PK_MALLOC_FAILED) )
snprintf( buf, buflen, "PK - Memory alloation failed" );
if( use_ret == -(POLARSSL_ERR_PK_TYPE_MISMATCH) )
snprintf( buf, buflen, "PK - Type mismatch, eg attempt to use a RSA key as EC, or to modify key type" );
#endif /* POLARSSL_PK_C */
#if defined(POLARSSL_PKCS12_C)

8
library/pk.c
View File

@@ -88,6 +88,12 @@ int pk_set_type( pk_context *ctx, pk_type_t type )
{
size_t size = 0;
if( ctx->type == type )
return( 0 );
if( ctx->type != POLARSSL_PK_NONE )
return( POLARSSL_ERR_PK_TYPE_MISMATCH );
switch( type )
{
#if defined(POLARSSL_RSA_C)
@@ -104,7 +110,7 @@ int pk_set_type( pk_context *ctx, pk_type_t type )
#endif
case POLARSSL_PK_NONE:
; /* Should not happen */
; /* Cannot happen, but the cmpiler doesn't know */
}
if( ( ctx->data = malloc( size ) ) == NULL )

8
library/x509parse.c
View File

@@ -3120,6 +3120,8 @@ int x509parse_key( pk_context *ctx,
return( 0 );
}
pk_free( ctx );
if ( ( ret = pk_set_type( ctx, POLARSSL_PK_ECKEY ) ) != 0 )
return( ret );
@@ -3128,6 +3130,8 @@ int x509parse_key( pk_context *ctx,
return( 0 );
}
pk_free( ctx );
return( POLARSSL_ERR_X509_CERT_UNKNOWN_FORMAT );
}
@@ -3145,12 +3149,16 @@ int x509parse_public_key( pk_context *ctx,
if( ( ret = x509parse_public_key_rsa( ctx->data, key, keylen ) ) == 0 )
return( 0 );
pk_free( ctx );
if ( ( ret = pk_set_type( ctx, POLARSSL_PK_ECKEY ) ) != 0 )
return( ret );
if( ( ret = x509parse_public_key_ec( ctx->data, key, keylen ) ) == 0 )
return( 0 );
pk_free( ctx );
return( POLARSSL_ERR_X509_CERT_UNKNOWN_FORMAT );
}