pineapple/externals/mbedtls/tests/suites/test_suite_chacha20.function

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/* BEGIN_HEADER */
#include "mbedtls/chacha20.h"
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_CHACHA20_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
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void chacha20_crypt( data_t *key_str,
data_t *nonce_str,
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int counter,
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data_t *src_str,
data_t *expected_output_str )
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{
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unsigned char output[375];
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mbedtls_chacha20_context ctx;
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memset( output, 0x00, sizeof( output ) );
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TEST_ASSERT( src_str->len == expected_output_str->len );
TEST_ASSERT( key_str->len == 32U );
TEST_ASSERT( nonce_str->len == 12U );
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/*
* Test the integrated API
*/
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TEST_ASSERT( mbedtls_chacha20_crypt( key_str->x, nonce_str->x, counter, src_str->len, src_str->x, output ) == 0 );
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ASSERT_COMPARE( output, expected_output_str->len,
expected_output_str->x, expected_output_str->len );
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/*
* Test the streaming API
*/
mbedtls_chacha20_init( &ctx );
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TEST_ASSERT( mbedtls_chacha20_setkey( &ctx, key_str->x ) == 0 );
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TEST_ASSERT( mbedtls_chacha20_starts( &ctx, nonce_str->x, counter ) == 0 );
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memset( output, 0x00, sizeof( output ) );
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TEST_ASSERT( mbedtls_chacha20_update( &ctx, src_str->len, src_str->x, output ) == 0 );
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ASSERT_COMPARE( output, expected_output_str->len,
expected_output_str->x, expected_output_str->len );
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/*
* Test the streaming API again, piecewise
*/
/* Don't free/init the context nor set the key again,
* in order to test that starts() does the right thing. */
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TEST_ASSERT( mbedtls_chacha20_starts( &ctx, nonce_str->x, counter ) == 0 );
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memset( output, 0x00, sizeof( output ) );
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TEST_ASSERT( mbedtls_chacha20_update( &ctx, 1, src_str->x, output ) == 0 );
TEST_ASSERT( mbedtls_chacha20_update( &ctx, src_str->len - 1,
src_str->x + 1, output + 1 ) == 0 );
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ASSERT_COMPARE( output, expected_output_str->len,
expected_output_str->x, expected_output_str->len );
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mbedtls_chacha20_free( &ctx );
}
/* END_CASE */
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/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
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void chacha20_bad_params()
{
unsigned char key[32];
unsigned char nonce[12];
unsigned char src[1];
unsigned char dst[1];
uint32_t counter = 0;
size_t len = sizeof( src );
mbedtls_chacha20_context ctx;
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TEST_INVALID_PARAM( mbedtls_chacha20_init( NULL ) );
TEST_VALID_PARAM( mbedtls_chacha20_free( NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
mbedtls_chacha20_setkey( NULL, key ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
mbedtls_chacha20_setkey( &ctx, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
mbedtls_chacha20_starts( NULL, nonce, counter ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
mbedtls_chacha20_starts( &ctx, NULL, counter ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
mbedtls_chacha20_update( NULL, 0, src, dst ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
mbedtls_chacha20_update( &ctx, len, NULL, dst ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
mbedtls_chacha20_update( &ctx, len, src, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
mbedtls_chacha20_crypt( NULL, nonce, counter, 0, src, dst ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
mbedtls_chacha20_crypt( key, NULL, counter, 0, src, dst ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
mbedtls_chacha20_crypt( key, nonce, counter, len, NULL, dst ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
mbedtls_chacha20_crypt( key, nonce, counter, len, src, NULL ) );
exit:
return;
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}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
void chacha20_self_test()
{
TEST_ASSERT( mbedtls_chacha20_self_test( 1 ) == 0 );
}
/* END_CASE */