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mbedtls/tests/suites/test_suite_md.function
Thomas Daubney 0bd08e7ac0 Initialise buffer before use 
Commit initialises buf before it is used.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
2022-02-17 21:30:25 +00:00

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/* BEGIN_HEADER */
#include "mbedtls/md.h"
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_MD_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void mbedtls_md_process( )
{
const int *md_type_ptr;
const mbedtls_md_info_t *info;
mbedtls_md_context_t ctx;
unsigned char buf[150];
mbedtls_md_init( &ctx );
memset( buf, 0, sizeof( buf ) );
/*
* Very minimal testing of mbedtls_md_process, just make sure the various
* xxx_process_wrap() function pointers are valid. (Testing that they
* indeed do the right thing whould require messing with the internal
* state of the underlying mbedtls_md/sha context.)
*
* Also tests that mbedtls_md_list() only returns valid MDs.
*/
for( md_type_ptr = mbedtls_md_list(); *md_type_ptr != 0; md_type_ptr++ )
{
info = mbedtls_md_info_from_type( *md_type_ptr );
TEST_ASSERT( info != NULL );
TEST_ASSERT( mbedtls_md_setup( &ctx, info, 0 ) == 0 );
TEST_ASSERT( mbedtls_md_process( &ctx, buf ) == 0 );
mbedtls_md_free( &ctx );
}
exit:
mbedtls_md_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void md_null_args( )
{
mbedtls_md_context_t ctx;
const mbedtls_md_info_t *info = mbedtls_md_info_from_type( *( mbedtls_md_list() ) );
unsigned char buf[1] = { 0 };
mbedtls_md_init( &ctx );
TEST_ASSERT( mbedtls_md_get_size( NULL ) == 0 );
TEST_ASSERT( mbedtls_md_get_type( NULL ) == MBEDTLS_MD_NONE );
TEST_ASSERT( mbedtls_md_get_name( NULL ) == NULL );
TEST_ASSERT( mbedtls_md_info_from_string( NULL ) == NULL );
TEST_ASSERT( mbedtls_md_setup( &ctx, NULL, 0 ) == MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_setup( NULL, info, 0 ) == MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_starts( NULL ) == MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_starts( &ctx ) == MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_update( NULL, buf, 1 ) == MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_update( &ctx, buf, 1 ) == MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_finish( NULL, buf ) == MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_finish( &ctx, buf ) == MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md( NULL, buf, 1, buf ) == MBEDTLS_ERR_MD_BAD_INPUT_DATA );
#if defined(MBEDTLS_FS_IO)
TEST_ASSERT( mbedtls_md_file( NULL, "", buf ) == MBEDTLS_ERR_MD_BAD_INPUT_DATA );
#endif
TEST_ASSERT( mbedtls_md_hmac_starts( NULL, buf, 1 )
== MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_hmac_starts( &ctx, buf, 1 )
== MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_hmac_update( NULL, buf, 1 )
== MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_hmac_update( &ctx, buf, 1 )
== MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_hmac_finish( NULL, buf )
== MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_hmac_finish( &ctx, buf )
== MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_hmac_reset( NULL ) == MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_hmac_reset( &ctx ) == MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_hmac( NULL, buf, 1, buf, 1, buf )
== MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_process( NULL, buf ) == MBEDTLS_ERR_MD_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_md_process( &ctx, buf ) == MBEDTLS_ERR_MD_BAD_INPUT_DATA );
/* Ok, this is not NULL arg but NULL return... */
TEST_ASSERT( mbedtls_md_info_from_type( MBEDTLS_MD_NONE ) == NULL );
TEST_ASSERT( mbedtls_md_info_from_string( "no such md" ) == NULL );
}
/* END_CASE */
/* BEGIN_CASE */
void md_info( int md_type, char * md_name, int md_size )
{
const mbedtls_md_info_t *md_info;
const int *md_type_ptr;
int found;
md_info = mbedtls_md_info_from_type( md_type );
TEST_ASSERT( md_info != NULL );
TEST_ASSERT( md_info == mbedtls_md_info_from_string( md_name ) );
TEST_ASSERT( mbedtls_md_get_type( md_info ) == (mbedtls_md_type_t) md_type );
TEST_ASSERT( mbedtls_md_get_size( md_info ) == (unsigned char) md_size );
TEST_ASSERT( strcmp( mbedtls_md_get_name( md_info ), md_name ) == 0 );
found = 0;
for( md_type_ptr = mbedtls_md_list(); *md_type_ptr != 0; md_type_ptr++ )
if( *md_type_ptr == md_type )
found = 1;
TEST_ASSERT( found == 1 );
}
/* END_CASE */
/* BEGIN_CASE */
void md_text( char * text_md_name, char * text_src_string,
data_t * hash )
{
char md_name[100];
unsigned char src_str[1000];
unsigned char output[100];
const mbedtls_md_info_t *md_info = NULL;
memset( md_name, 0x00, 100 );
memset( src_str, 0x00, 1000 );
memset( output, 0x00, 100 );
strncpy( (char *) src_str, text_src_string, sizeof( src_str ) - 1 );
strncpy( (char *) md_name, text_md_name, sizeof( md_name ) - 1 );
md_info = mbedtls_md_info_from_string(md_name);
TEST_ASSERT( md_info != NULL );
TEST_ASSERT ( 0 == mbedtls_md( md_info, src_str, strlen( (char *) src_str ), output ) );
TEST_ASSERT( mbedtls_test_hexcmp( output, hash->x,
mbedtls_md_get_size( md_info ),
hash->len ) == 0 );
}
/* END_CASE */
/* BEGIN_CASE */
void md_hex( char * text_md_name, data_t * src_str, data_t * hash )
{
char md_name[100];
unsigned char output[100];
const mbedtls_md_info_t *md_info = NULL;
memset( md_name, 0x00, 100 );
memset( output, 0x00, 100 );
strncpy( (char *) md_name, text_md_name, sizeof( md_name ) - 1 );
md_info = mbedtls_md_info_from_string( md_name );
TEST_ASSERT( md_info != NULL );
TEST_ASSERT ( 0 == mbedtls_md( md_info, src_str->x, src_str->len, output ) );
TEST_ASSERT( mbedtls_test_hexcmp( output, hash->x,
mbedtls_md_get_size( md_info ),
hash->len ) == 0 );
}
/* END_CASE */
/* BEGIN_CASE */
void md_text_multi( char * text_md_name, char * text_src_string,
data_t * hash )
{
char md_name[100];
unsigned char src_str[1000];
unsigned char output[100];
int halfway, len;
const mbedtls_md_info_t *md_info = NULL;
mbedtls_md_context_t ctx, ctx_copy;
mbedtls_md_init( &ctx );
mbedtls_md_init( &ctx_copy );
memset( md_name, 0x00, 100 );
memset( src_str, 0x00, 1000 );
memset( output, 0x00, 100 );
strncpy( (char *) src_str, text_src_string, sizeof(src_str) - 1 );
strncpy( (char *) md_name, text_md_name, sizeof(md_name) - 1 );
len = strlen( (char *) src_str );
halfway = len / 2;
md_info = mbedtls_md_info_from_string(md_name);
TEST_ASSERT( md_info != NULL );
TEST_ASSERT ( 0 == mbedtls_md_setup( &ctx, md_info, 0 ) );
TEST_ASSERT ( 0 == mbedtls_md_setup( &ctx_copy, md_info, 0 ) );
TEST_ASSERT ( 0 == mbedtls_md_starts( &ctx ) );
TEST_ASSERT ( ctx.md_ctx != NULL );
TEST_ASSERT ( 0 == mbedtls_md_update( &ctx, src_str, halfway ) );
TEST_ASSERT ( 0 == mbedtls_md_clone( &ctx_copy, &ctx ) );
TEST_ASSERT ( 0 == mbedtls_md_update( &ctx, src_str + halfway, len - halfway ) );
TEST_ASSERT ( 0 == mbedtls_md_finish( &ctx, output ) );
TEST_ASSERT( mbedtls_test_hexcmp( output, hash->x,
mbedtls_md_get_size( md_info ),
hash->len) == 0 );
/* Test clone */
memset( output, 0x00, 100 );
TEST_ASSERT ( 0 == mbedtls_md_update( &ctx_copy, src_str + halfway, len - halfway ) );
TEST_ASSERT ( 0 == mbedtls_md_finish( &ctx_copy, output ) );
TEST_ASSERT( mbedtls_test_hexcmp( output, hash->x,
mbedtls_md_get_size( md_info ),
hash->len ) == 0 );
exit:
mbedtls_md_free( &ctx );
mbedtls_md_free( &ctx_copy );
}
/* END_CASE */
/* BEGIN_CASE */
void md_hex_multi( char * text_md_name, data_t * src_str, data_t * hash )
{
char md_name[100];
unsigned char output[100];
const mbedtls_md_info_t *md_info = NULL;
mbedtls_md_context_t ctx, ctx_copy;
int halfway;
mbedtls_md_init( &ctx );
mbedtls_md_init( &ctx_copy );
memset( md_name, 0x00, 100 );
memset( output, 0x00, 100 );
strncpy( (char *) md_name, text_md_name, sizeof( md_name ) - 1 );
md_info = mbedtls_md_info_from_string(md_name);
TEST_ASSERT( md_info != NULL );
TEST_ASSERT ( 0 == mbedtls_md_setup( &ctx, md_info, 0 ) );
TEST_ASSERT ( 0 == mbedtls_md_setup( &ctx_copy, md_info, 0 ) );
halfway = src_str->len / 2;
TEST_ASSERT ( 0 == mbedtls_md_starts( &ctx ) );
TEST_ASSERT ( ctx.md_ctx != NULL );
TEST_ASSERT ( 0 == mbedtls_md_update( &ctx, src_str->x, halfway ) );
TEST_ASSERT ( 0 == mbedtls_md_clone( &ctx_copy, &ctx ) );
TEST_ASSERT ( 0 == mbedtls_md_update( &ctx, src_str->x + halfway, src_str->len - halfway) );
TEST_ASSERT ( 0 == mbedtls_md_finish( &ctx, output ) );
TEST_ASSERT( mbedtls_test_hexcmp( output, hash->x,
mbedtls_md_get_size( md_info ),
hash->len ) == 0 );
/* Test clone */
memset( output, 0x00, 100 );
TEST_ASSERT ( 0 == mbedtls_md_update( &ctx_copy, src_str->x + halfway, src_str->len - halfway ) );
TEST_ASSERT ( 0 == mbedtls_md_finish( &ctx_copy, output ) );
TEST_ASSERT( mbedtls_test_hexcmp( output, hash->x,
mbedtls_md_get_size( md_info ),
hash->len ) == 0 );
exit:
mbedtls_md_free( &ctx );
mbedtls_md_free( &ctx_copy );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_md_hmac( char * text_md_name, int trunc_size,
data_t * key_str, data_t * src_str,
data_t * hash )
{
char md_name[100];
unsigned char output[100];
const mbedtls_md_info_t *md_info = NULL;
memset( md_name, 0x00, 100 );
memset( output, 0x00, 100 );
strncpy( (char *) md_name, text_md_name, sizeof( md_name ) - 1 );
md_info = mbedtls_md_info_from_string( md_name );
TEST_ASSERT( md_info != NULL );
TEST_ASSERT ( mbedtls_md_hmac( md_info, key_str->x, key_str->len, src_str->x, src_str->len, output ) == 0 );
TEST_ASSERT( mbedtls_test_hexcmp( output, hash->x,
trunc_size, hash->len ) == 0 );
}
/* END_CASE */
/* BEGIN_CASE */
void md_hmac_multi( char * text_md_name, int trunc_size, data_t * key_str,
data_t * src_str, data_t * hash )
{
char md_name[100];
unsigned char output[100];
const mbedtls_md_info_t *md_info = NULL;
mbedtls_md_context_t ctx;
int halfway;
mbedtls_md_init( &ctx );
memset( md_name, 0x00, 100 );
memset( output, 0x00, 100 );
strncpy( (char *) md_name, text_md_name, sizeof( md_name ) - 1 );
md_info = mbedtls_md_info_from_string( md_name );
TEST_ASSERT( md_info != NULL );
TEST_ASSERT ( 0 == mbedtls_md_setup( &ctx, md_info, 1 ) );
halfway = src_str->len / 2;
TEST_ASSERT ( 0 == mbedtls_md_hmac_starts( &ctx, key_str->x, key_str->len ) );
TEST_ASSERT ( ctx.md_ctx != NULL );
TEST_ASSERT ( 0 == mbedtls_md_hmac_update( &ctx, src_str->x, halfway ) );
TEST_ASSERT ( 0 == mbedtls_md_hmac_update( &ctx, src_str->x + halfway, src_str->len - halfway ) );
TEST_ASSERT ( 0 == mbedtls_md_hmac_finish( &ctx, output ) );
TEST_ASSERT( mbedtls_test_hexcmp( output, hash->x,
trunc_size, hash->len ) == 0 );
/* Test again, for reset() */
memset( output, 0x00, 100 );
TEST_ASSERT ( 0 == mbedtls_md_hmac_reset( &ctx ) );
TEST_ASSERT ( 0 == mbedtls_md_hmac_update( &ctx, src_str->x, halfway ) );
TEST_ASSERT ( 0 == mbedtls_md_hmac_update( &ctx, src_str->x + halfway, src_str->len - halfway ) );
TEST_ASSERT ( 0 == mbedtls_md_hmac_finish( &ctx, output ) );
TEST_ASSERT( mbedtls_test_hexcmp( output, hash->x,
trunc_size, hash->len ) == 0 );
exit:
mbedtls_md_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_FS_IO */
void mbedtls_md_file( char * text_md_name, char * filename,
data_t * hash )
{
char md_name[100];
unsigned char output[100];
const mbedtls_md_info_t *md_info = NULL;
memset( md_name, 0x00, 100 );
memset( output, 0x00, 100 );
strncpy( (char *) md_name, text_md_name, sizeof( md_name ) - 1 );
md_info = mbedtls_md_info_from_string( md_name );
TEST_ASSERT( md_info != NULL );
TEST_ASSERT( mbedtls_md_file( md_info, filename, output ) == 0 );
TEST_ASSERT( mbedtls_test_hexcmp( output, hash->x,
mbedtls_md_get_size( md_info ),
hash->len ) == 0 );
}
/* END_CASE */
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