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Make all parameter validation tests optional

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This commit is contained in:
k-stachowiak 2018-12-17 11:27:03 +01:00
parent e0215d7869
commit a539070f82
2 changed files with 143 additions and 77 deletions
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48
library/cipher.c
View file

@ -181,8 +181,8 @@ void mbedtls_cipher_free( mbedtls_cipher_context_t *ctx )
int mbedtls_cipher_setup( mbedtls_cipher_context_t *ctx, const mbedtls_cipher_info_t *cipher_info )
{
if( NULL == cipher_info || NULL == ctx )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
CIPHER_VALIDATE_RET( ctx != NULL );
CIPHER_VALIDATE_RET( cipher_info != NULL );
memset( ctx, 0, sizeof( mbedtls_cipher_context_t ) );
@ -210,12 +210,12 @@ int mbedtls_cipher_setkey( mbedtls_cipher_context_t *ctx,
int key_bitlen,
const mbedtls_operation_t operation )
{
CIPHER_VALIDATE_RET( ctx != NULL );
CIPHER_VALIDATE_RET( ctx->cipher_info != NULL );
CIPHER_VALIDATE_RET( key != NULL );
CIPHER_VALIDATE_RET( operation == MBEDTLS_ENCRYPT ||
operation == MBEDTLS_DECRYPT );
if( NULL == ctx || NULL == ctx->cipher_info )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
if( ( ctx->cipher_info->flags & MBEDTLS_CIPHER_VARIABLE_KEY_LEN ) == 0 &&
(int) ctx->cipher_info->key_bitlen != key_bitlen )
{
@ -250,10 +250,9 @@ int mbedtls_cipher_set_iv( mbedtls_cipher_context_t *ctx,
{
size_t actual_iv_size;
if( NULL == ctx || NULL == ctx->cipher_info )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
else if( NULL == iv && iv_len != 0 )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
CIPHER_VALIDATE_RET( ctx != NULL );
CIPHER_VALIDATE_RET( ctx->cipher_info != NULL );
CIPHER_VALIDATE_RET( iv_len == 0 || iv != NULL );
if( NULL == iv && iv_len == 0 )
ctx->iv_size = 0;
@ -296,8 +295,8 @@ int mbedtls_cipher_set_iv( mbedtls_cipher_context_t *ctx,
int mbedtls_cipher_reset( mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
CIPHER_VALIDATE_RET( ctx != NULL );
CIPHER_VALIDATE_RET( ctx->cipher_info != NULL );
ctx->unprocessed_len = 0;
@ -308,11 +307,10 @@ int mbedtls_cipher_reset( mbedtls_cipher_context_t *ctx )
int mbedtls_cipher_update_ad( mbedtls_cipher_context_t *ctx,
const unsigned char *ad, size_t ad_len )
{
CIPHER_VALIDATE_RET( ctx != NULL );
CIPHER_VALIDATE_RET( ctx->cipher_info != NULL );
CIPHER_VALIDATE_RET( ad_len == 0 || ad != NULL );
if( NULL == ctx || NULL == ctx->cipher_info )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
#if defined(MBEDTLS_GCM_C)
if( MBEDTLS_MODE_GCM == ctx->cipher_info->mode )
{
@ -352,15 +350,12 @@ int mbedtls_cipher_update( mbedtls_cipher_context_t *ctx, const unsigned char *i
int ret;
size_t block_size;
CIPHER_VALIDATE_RET( ctx != NULL );
CIPHER_VALIDATE_RET( ctx->cipher_info != NULL );
CIPHER_VALIDATE_RET( input != NULL );
CIPHER_VALIDATE_RET( output != NULL );
CIPHER_VALIDATE_RET( olen != NULL );
if( NULL == ctx || NULL == ctx->cipher_info )
{
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
}
*olen = 0;
block_size = mbedtls_cipher_get_block_size( ctx );
@ -764,12 +759,11 @@ static int get_no_padding( unsigned char *input, size_t input_len,
int mbedtls_cipher_finish( mbedtls_cipher_context_t *ctx,
unsigned char *output, size_t *olen )
{
CIPHER_VALIDATE_RET( ctx != NULL );
CIPHER_VALIDATE_RET( ctx->cipher_info != NULL );
CIPHER_VALIDATE_RET( output != NULL );
CIPHER_VALIDATE_RET( olen != NULL );
if( NULL == ctx || NULL == ctx->cipher_info )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
*olen = 0;
if( MBEDTLS_MODE_CFB == ctx->cipher_info->mode ||
@ -906,11 +900,10 @@ int mbedtls_cipher_set_padding_mode( mbedtls_cipher_context_t *ctx,
int mbedtls_cipher_write_tag( mbedtls_cipher_context_t *ctx,
unsigned char *tag, size_t tag_len )
{
CIPHER_VALIDATE_RET( ctx != NULL );
CIPHER_VALIDATE_RET( ctx->cipher_info != NULL );
CIPHER_VALIDATE_RET( tag != NULL );
if( NULL == ctx || NULL == ctx->cipher_info )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
if( MBEDTLS_ENCRYPT != ctx->operation )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
@ -940,10 +933,11 @@ int mbedtls_cipher_check_tag( mbedtls_cipher_context_t *ctx,
unsigned char check_tag[16];
int ret;
CIPHER_VALIDATE_RET( ctx != NULL );
CIPHER_VALIDATE_RET( ctx->cipher_info != NULL );
CIPHER_VALIDATE_RET( tag != NULL );
if( NULL == ctx || NULL == ctx->cipher_info ||
MBEDTLS_DECRYPT != ctx->operation )
if( MBEDTLS_DECRYPT != ctx->operation )
{
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
}

172
tests/suites/test_suite_cipher.function
View file

@ -25,9 +25,6 @@ void mbedtls_cipher_list( )
void cipher_null_args( )
{
mbedtls_cipher_context_t ctx;
const mbedtls_cipher_info_t *info = mbedtls_cipher_info_from_type( *( mbedtls_cipher_list() ) );
unsigned char buf[1] = { 0 };
size_t olen;
mbedtls_cipher_init( &ctx );
@ -41,53 +38,6 @@ void cipher_null_args( )
TEST_ASSERT( mbedtls_cipher_get_iv_size( &ctx ) == 0 );
TEST_ASSERT( mbedtls_cipher_info_from_string( NULL ) == NULL );
TEST_ASSERT( mbedtls_cipher_setup( &ctx, NULL )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_setup( NULL, info )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_setkey( NULL, buf, 0, MBEDTLS_ENCRYPT )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_setkey( &ctx, buf, 0, MBEDTLS_ENCRYPT )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_set_iv( NULL, buf, 0 )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_set_iv( &ctx, buf, 0 )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_reset( NULL ) == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_reset( &ctx ) == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
#if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C)
TEST_ASSERT( mbedtls_cipher_update_ad( NULL, buf, 0 )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_update_ad( &ctx, buf, 0 )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
#endif
TEST_ASSERT( mbedtls_cipher_update( NULL, buf, 0, buf, &olen )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_update( &ctx, buf, 0, buf, &olen )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_finish( NULL, buf, &olen )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_finish( &ctx, buf, &olen )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
#if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C)
TEST_ASSERT( mbedtls_cipher_write_tag( NULL, buf, olen )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_write_tag( &ctx, buf, olen )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_check_tag( NULL, buf, olen )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_check_tag( &ctx, buf, olen )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
#endif
}
/* END_CASE */
@ -97,11 +47,15 @@ void cipher_invalid_param( )
mbedtls_cipher_context_t invalid_ctx;
mbedtls_cipher_context_t valid_ctx;
mbedtls_operation_t valid_operation = MBEDTLS_ENCRYPT;
mbedtls_operation_t invalid_operation = 100;
mbedtls_cipher_padding_t valid_mode = MBEDTLS_PADDING_ZEROS;
unsigned char valid_buffer[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 };
int valid_size = sizeof(valid_buffer);
int valid_bitlen = valid_size * 8;
const mbedtls_cipher_info_t *valid_info = mbedtls_cipher_info_from_type(
*( mbedtls_cipher_list() ) );
size_t size_t_var;
/* mbedtls_cipher_init() */
@ -110,7 +64,33 @@ void cipher_invalid_param( )
TEST_INVALID_PARAM( mbedtls_cipher_init( NULL ) );
/* mbedtls_cipher_setup() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_setup( NULL, valid_info ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_setup( &valid_ctx, NULL ) );
/* mbedtls_cipher_setkey() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_setkey( NULL,
valid_buffer,
valid_bitlen,
valid_operation ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_setkey( &invalid_ctx,
valid_buffer,
valid_bitlen,
valid_operation ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_setkey( &valid_ctx,
NULL,
valid_bitlen,
valid_operation ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_setkey( &valid_ctx,
@ -118,14 +98,72 @@ void cipher_invalid_param( )
valid_bitlen,
invalid_operation ) );
/* mbedtls_cipher_set_iv() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_set_iv( NULL,
valid_buffer,
valid_size ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_set_iv( &invalid_ctx,
valid_buffer,
valid_size ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_set_iv( &valid_ctx,
NULL,
valid_size ) );
/* mbedtls_cipher_reset() */
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_reset( NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_reset( &invalid_ctx ) );
#if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C)
/* mbedtls_cipher_update_ad() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_update_ad( NULL,
valid_buffer,
valid_size ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_update_ad( &invalid_ctx,
valid_buffer,
valid_size ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_update_ad( &valid_ctx,
NULL,
valid_size ) );
#endif /* defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C) */
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
/* mbedtls_cipher_set_padding_mode() */
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_set_padding_mode( NULL, valid_mode ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_set_padding_mode( &invalid_ctx,
valid_mode ) );
#endif
/* mbedtls_cipher_update() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_update( NULL,
valid_buffer,
valid_size,
valid_buffer,
&size_t_var ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_update( &invalid_ctx,
valid_buffer,
valid_size,
valid_buffer,
&size_t_var ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_update( &valid_ctx,
@ -146,6 +184,16 @@ void cipher_invalid_param( )
NULL ) );
/* mbedtls_cipher_finish() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_finish( NULL,
valid_buffer,
&size_t_var ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_finish( &invalid_ctx,
valid_buffer,
&size_t_var ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_finish( &valid_ctx,
@ -157,7 +205,18 @@ void cipher_invalid_param( )
valid_buffer,
NULL ) );
#if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C)
/* mbedtls_cipher_write_tag() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_write_tag( NULL,
valid_buffer,
valid_size ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_write_tag( &invalid_ctx,
valid_buffer,
valid_size ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_write_tag( &valid_ctx,
@ -165,11 +224,22 @@ void cipher_invalid_param( )
valid_size ) );
/* mbedtls_cipher_check_tag() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_check_tag( NULL,
valid_buffer,
valid_size ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_check_tag( &invalid_ctx,
valid_buffer,
valid_size ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
mbedtls_cipher_check_tag( &valid_ctx,
NULL,
valid_size ) );
#endif /* defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C) */
/* mbedtls_cipher_crypt() */
TEST_INVALID_PARAM_RET(
@ -209,6 +279,7 @@ void cipher_invalid_param( )
valid_buffer, valid_size,
valid_buffer, NULL ) );
#if defined(MBEDTLS_CIPHER_MODE_AEAD)
/* mbedtls_cipher_auth_encrypt() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
@ -340,6 +411,7 @@ void cipher_invalid_param( )
valid_buffer, valid_size,
valid_buffer, &size_t_var,
NULL, valid_size ) );
#endif /* defined(MBEDTLS_CIPHER_MODE_AEAD) */
/* mbedtls_cipher_free() */
TEST_VALID_PARAM( mbedtls_cipher_free( NULL ) );