mbedtls/tests/suites/test_suite_chacha20.function
2018-05-10 13:21:40 +02:00

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/* BEGIN_HEADER */
#include "mbedtls/chacha20.h"
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_CHACHA20_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void chacha20_crypt( char *hex_key_string,
char *hex_nonce_string,
int counter,
char *hex_src_string,
char *hex_dst_string )
{
unsigned char key_str[100];
unsigned char nonce_str[100];
unsigned char src_str[10000];
unsigned char dst_str[10000];
unsigned char output[10000];
size_t key_len;
size_t nonce_len;
size_t src_len;
size_t dst_len;
memset(key_str, 0x00, 100);
memset(nonce_str, 0x00, 100);
memset(src_str, 0x00, 10000);
memset(dst_str, 0x00, 10000);
memset(output, 0x00, 10000);
key_len = unhexify( key_str, hex_key_string );
nonce_len = unhexify( nonce_str, hex_nonce_string );
src_len = unhexify( src_str, hex_src_string );
dst_len = unhexify( dst_str, hex_dst_string );
TEST_ASSERT( src_len == dst_len );
TEST_ASSERT( key_len == 32U );
TEST_ASSERT( nonce_len == 12U );
TEST_ASSERT( mbedtls_chacha20_crypt( key_str, nonce_str, counter, src_len, src_str, output ) == 0 );
hexify( dst_str, output, src_len );
TEST_ASSERT( strcmp( (char*) dst_str, hex_dst_string ) == 0);
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
void chacha20_self_test()
{
TEST_ASSERT( mbedtls_chacha20_self_test( 0 ) == 0 );
}
/* END_CASE */