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/* BEGIN_HEADER */
#include "mbedtls/poly1305.h"
#include <stddef.h>
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_POLY1305_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void mbedtls_poly1305( data_t *key, data_t *expected_mac, data_t *src_str )
{
unsigned char mac[16]; /* size set by the standard */
mbedtls_poly1305_context ctx;
memset( mac, 0x00, sizeof( mac ) );
/*
* Test the integrated API
*/
TEST_ASSERT( mbedtls_poly1305_mac( key->x, src_str->x,
src_str->len, mac ) == 0 );
ASSERT_COMPARE( mac, expected_mac->len,
expected_mac->x, expected_mac->len );
/*
* Test the streaming API
*/
mbedtls_poly1305_init( &ctx );
TEST_ASSERT( mbedtls_poly1305_starts( &ctx, key->x ) == 0 );
TEST_ASSERT( mbedtls_poly1305_update( &ctx, src_str->x, src_str->len ) == 0 );
TEST_ASSERT( mbedtls_poly1305_finish( &ctx, mac ) == 0 );
ASSERT_COMPARE( mac, expected_mac->len,
expected_mac->x, expected_mac->len );
/*
* Test the streaming API again, piecewise
*/
/* Don't free/init the context, in order to test that starts() does the
* right thing. */
if( src_str->len >= 1 )
{
TEST_ASSERT( mbedtls_poly1305_starts( &ctx, key->x ) == 0 );
TEST_ASSERT( mbedtls_poly1305_update( &ctx, src_str->x, 1 ) == 0 );
TEST_ASSERT( mbedtls_poly1305_update( &ctx, src_str->x + 1, src_str->len - 1 ) == 0 );
TEST_ASSERT( mbedtls_poly1305_finish( &ctx, mac ) == 0 );
ASSERT_COMPARE( mac, expected_mac->len,
expected_mac->x, expected_mac->len );
}
/*
* Again with more pieces
*/
if( src_str->len >= 2 )
{
TEST_ASSERT( mbedtls_poly1305_starts( &ctx, key->x ) == 0 );
TEST_ASSERT( mbedtls_poly1305_update( &ctx, src_str->x, 1 ) == 0 );
TEST_ASSERT( mbedtls_poly1305_update( &ctx, src_str->x + 1, 1 ) == 0 );
TEST_ASSERT( mbedtls_poly1305_update( &ctx, src_str->x + 2, src_str->len - 2 ) == 0 );
TEST_ASSERT( mbedtls_poly1305_finish( &ctx, mac ) == 0 );
ASSERT_COMPARE( mac, expected_mac->len,
expected_mac->x, expected_mac->len );
}
mbedtls_poly1305_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
void poly1305_bad_params()
{
unsigned char src[1];
unsigned char key[32];
unsigned char mac[16];
size_t src_len = sizeof( src );
mbedtls_poly1305_context ctx;
TEST_INVALID_PARAM( mbedtls_poly1305_init( NULL ) );
TEST_VALID_PARAM( mbedtls_poly1305_free( NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
mbedtls_poly1305_starts( NULL, key ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
mbedtls_poly1305_starts( &ctx, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
mbedtls_poly1305_update( NULL, src, 0 ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
mbedtls_poly1305_update( &ctx, NULL, src_len ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
mbedtls_poly1305_finish( NULL, mac ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
mbedtls_poly1305_finish( &ctx, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
mbedtls_poly1305_mac( NULL, src, 0, mac ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
mbedtls_poly1305_mac( key, NULL, src_len, mac ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
mbedtls_poly1305_mac( key, src, 0, NULL ) );
exit:
return;
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
void poly1305_selftest()
{
TEST_ASSERT( mbedtls_poly1305_self_test( 1 ) == 0 );
}
/* END_CASE */
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