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Include static cipher functions in the parameter validation scheme

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This commit is contained in:
k-stachowiak 2018-12-18 16:12:34 +01:00
parent c29d94c7bf
commit 90b8d4a11e
3 changed files with 65 additions and 37 deletions
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35
include/mbedtls/cipher.h
View file

@ -36,6 +36,7 @@
#endif
#include <stddef.h>
#include "mbedtls/platform_util.h"
#if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CCM_C) || defined(MBEDTLS_CHACHAPOLY_C)
#define MBEDTLS_CIPHER_MODE_AEAD
@ -426,8 +427,8 @@ int mbedtls_cipher_setup( mbedtls_cipher_context_t *ctx,
static inline unsigned int mbedtls_cipher_get_block_size(
const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return 0;
MBEDTLS_INTERNAL_VALIDATE_RET( ctx != NULL, 0 );
MBEDTLS_INTERNAL_VALIDATE_RET( ctx->cipher_info != NULL, 0 );
return ctx->cipher_info->block_size;
}
@ -444,8 +445,8 @@ static inline unsigned int mbedtls_cipher_get_block_size(
static inline mbedtls_cipher_mode_t mbedtls_cipher_get_cipher_mode(
const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return MBEDTLS_MODE_NONE;
MBEDTLS_INTERNAL_VALIDATE_RET( ctx != NULL, MBEDTLS_MODE_NONE );
MBEDTLS_INTERNAL_VALIDATE_RET( ctx->cipher_info != NULL, MBEDTLS_MODE_NONE );
return ctx->cipher_info->mode;
}
@ -463,8 +464,8 @@ static inline mbedtls_cipher_mode_t mbedtls_cipher_get_cipher_mode(
static inline int mbedtls_cipher_get_iv_size(
const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return 0;
MBEDTLS_INTERNAL_VALIDATE_RET( ctx != NULL, 0 );
MBEDTLS_INTERNAL_VALIDATE_RET( ctx->cipher_info != NULL, 0 );
if( ctx->iv_size != 0 )
return (int) ctx->iv_size;
@ -483,8 +484,10 @@ static inline int mbedtls_cipher_get_iv_size(
static inline mbedtls_cipher_type_t mbedtls_cipher_get_type(
const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return MBEDTLS_CIPHER_NONE;
MBEDTLS_INTERNAL_VALIDATE_RET(
ctx != NULL, MBEDTLS_CIPHER_NONE );
MBEDTLS_INTERNAL_VALIDATE_RET(
ctx->cipher_info != NULL, MBEDTLS_CIPHER_NONE );
return ctx->cipher_info->type;
}
@ -501,8 +504,8 @@ static inline mbedtls_cipher_type_t mbedtls_cipher_get_type(
static inline const char *mbedtls_cipher_get_name(
const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return 0;
MBEDTLS_INTERNAL_VALIDATE_RET( ctx != NULL, 0 );
MBEDTLS_INTERNAL_VALIDATE_RET( ctx->cipher_info != NULL, 0 );
return ctx->cipher_info->name;
}
@ -519,8 +522,10 @@ static inline const char *mbedtls_cipher_get_name(
static inline int mbedtls_cipher_get_key_bitlen(
const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return MBEDTLS_KEY_LENGTH_NONE;
MBEDTLS_INTERNAL_VALIDATE_RET(
ctx != NULL, MBEDTLS_KEY_LENGTH_NONE );
MBEDTLS_INTERNAL_VALIDATE_RET(
ctx->cipher_info != NULL, MBEDTLS_KEY_LENGTH_NONE );
return (int) ctx->cipher_info->key_bitlen;
}
@ -536,8 +541,10 @@ static inline int mbedtls_cipher_get_key_bitlen(
static inline mbedtls_operation_t mbedtls_cipher_get_operation(
const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return MBEDTLS_OPERATION_NONE;
MBEDTLS_INTERNAL_VALIDATE_RET(
ctx != NULL, MBEDTLS_OPERATION_NONE );
MBEDTLS_INTERNAL_VALIDATE_RET(
ctx->cipher_info != NULL, MBEDTLS_OPERATION_NONE );
return ctx->operation;
}

64
tests/suites/test_suite_cipher.function
View file

@ -21,26 +21,6 @@ void mbedtls_cipher_list( )
}
/* END_CASE */
/* BEGIN_CASE */
void cipher_null_args( )
{
mbedtls_cipher_context_t ctx;
mbedtls_cipher_init( &ctx );
TEST_ASSERT( mbedtls_cipher_get_block_size( NULL ) == 0 );
TEST_ASSERT( mbedtls_cipher_get_block_size( &ctx ) == 0 );
TEST_ASSERT( mbedtls_cipher_get_cipher_mode( NULL ) == MBEDTLS_MODE_NONE );
TEST_ASSERT( mbedtls_cipher_get_cipher_mode( &ctx ) == MBEDTLS_MODE_NONE );
TEST_ASSERT( mbedtls_cipher_get_iv_size( NULL ) == 0 );
TEST_ASSERT( mbedtls_cipher_get_iv_size( &ctx ) == 0 );
TEST_ASSERT( mbedtls_cipher_info_from_string( NULL ) == NULL );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
void cipher_invalid_param( )
{
@ -72,6 +52,50 @@ void cipher_invalid_param( )
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_setup( &valid_ctx, NULL ) );
/* mbedtls_cipher_get_block_size() */
TEST_INVALID_PARAM_RET( 0, mbedtls_cipher_get_block_size( NULL ) );
TEST_INVALID_PARAM_RET( 0, mbedtls_cipher_get_block_size( &invalid_ctx ) );
/* mbedtls_cipher_get_cipher_mode() */
TEST_INVALID_PARAM_RET(
MBEDTLS_MODE_NONE,
mbedtls_cipher_get_cipher_mode( NULL ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_MODE_NONE,
mbedtls_cipher_get_cipher_mode( &invalid_ctx ) );
/* mbedtls_cipher_get_iv_size() */
TEST_INVALID_PARAM_RET( 0, mbedtls_cipher_get_iv_size( NULL ) );
TEST_INVALID_PARAM_RET( 0, mbedtls_cipher_get_iv_size( &invalid_ctx ) );
/* mbedtls_cipher_get_type() */
TEST_INVALID_PARAM_RET(
MBEDTLS_CIPHER_NONE,
mbedtls_cipher_get_type( NULL ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_CIPHER_NONE,
mbedtls_cipher_get_type( &invalid_ctx ) );
/* mbedtls_cipher_get_name() */
TEST_INVALID_PARAM_RET( 0, mbedtls_cipher_get_name( NULL ) );
TEST_INVALID_PARAM_RET( 0, mbedtls_cipher_get_name( &invalid_ctx ) );
/* mbedtls_cipher_get_key_bitlen() */
TEST_INVALID_PARAM_RET(
MBEDTLS_KEY_LENGTH_NONE,
mbedtls_cipher_get_key_bitlen( NULL ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_KEY_LENGTH_NONE,
mbedtls_cipher_get_key_bitlen( &invalid_ctx ) );
/* mbedtls_cipher_get_operation() */
TEST_INVALID_PARAM_RET(
MBEDTLS_OPERATION_NONE,
mbedtls_cipher_get_operation( NULL ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_OPERATION_NONE,
mbedtls_cipher_get_operation( &invalid_ctx ) );
/* mbedtls_cipher_setkey() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,

3
tests/suites/test_suite_cipher.padding.data
View file

@ -1,9 +1,6 @@
Cipher list
mbedtls_cipher_list:
Cipher null/uninitialised arguments
cipher_null_args:
Set padding with AES-CBC
depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_CIPHER_PADDING_PKCS7
set_padding:MBEDTLS_CIPHER_AES_128_CBC:MBEDTLS_PADDING_PKCS7:0