2016-05-17 19:43:01 +02:00
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/* BEGIN_HEADER */
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2018-05-07 10:43:27 +02:00
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#include "mbedtls/chachapoly.h"
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2016-05-17 19:43:01 +02:00
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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2018-05-07 10:43:27 +02:00
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* depends_on:MBEDTLS_CHACHAPOLY_C
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2016-05-17 19:43:01 +02:00
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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2018-05-07 10:43:27 +02:00
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void mbedtls_chachapoly_enc( char *hex_key_string, char *hex_nonce_string, char *hex_aad_string, char *hex_input_string, char *hex_output_string, char *hex_mac_string )
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2016-05-17 19:43:01 +02:00
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{
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2018-05-09 11:21:21 +02:00
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unsigned char key_str[32]; /* size set by the standard */
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unsigned char nonce_str[12]; /* size set by the standard */
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unsigned char aad_str[12]; /* max size of test data so far */
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unsigned char input_str[265]; /* max size of binary input/output so far */
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unsigned char output_str[265];
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unsigned char output[265];
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unsigned char mac_str[16]; /* size set by the standard */
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unsigned char mac[16]; /* size set by the standard */
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2016-05-17 19:43:01 +02:00
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size_t input_len;
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size_t output_len;
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size_t aad_len;
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size_t key_len;
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size_t nonce_len;
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size_t mac_len;
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2018-05-07 12:56:36 +02:00
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mbedtls_chachapoly_context ctx;
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2016-05-17 19:43:01 +02:00
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2018-05-09 11:21:21 +02:00
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memset( key_str, 0x00, sizeof( key_str ) );
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memset( nonce_str, 0x00, sizeof( nonce_str ) );
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memset( aad_str, 0x00, sizeof( aad_str ) );
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memset( input_str, 0x00, sizeof( input_str ) );
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memset( output_str, 0x00, sizeof( output_str ) );
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memset( mac_str, 0x00, sizeof( mac_str ) );
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2016-05-17 19:43:01 +02:00
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aad_len = unhexify( aad_str, hex_aad_string );
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input_len = unhexify( input_str, hex_input_string );
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output_len = unhexify( output_str, hex_output_string );
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key_len = unhexify( key_str, hex_key_string );
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nonce_len = unhexify( nonce_str, hex_nonce_string );
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mac_len = unhexify( mac_str, hex_mac_string );
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TEST_ASSERT( key_len == 32 );
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TEST_ASSERT( nonce_len == 12 );
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TEST_ASSERT( mac_len == 16 );
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2018-05-07 12:56:36 +02:00
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mbedtls_chachapoly_init( &ctx );
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mbedtls_chachapoly_setkey( &ctx, key_str );
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mbedtls_chachapoly_crypt_and_tag( &ctx,
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2018-05-07 10:43:27 +02:00
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MBEDTLS_CHACHAPOLY_ENCRYPT,
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2018-05-07 12:56:36 +02:00
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input_len, nonce_str,
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aad_str, aad_len,
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input_str, output, mac );
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2016-05-17 19:43:01 +02:00
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TEST_ASSERT( memcmp( output_str, output, output_len ) == 0 );
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TEST_ASSERT( memcmp( mac_str, mac, 16U ) == 0 );
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2018-05-07 12:56:36 +02:00
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exit:
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mbedtls_chachapoly_free( &ctx );
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2016-05-17 19:43:01 +02:00
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}
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/* END_CASE */
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/* BEGIN_CASE */
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2018-05-09 12:22:13 +02:00
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void mbedtls_chachapoly_dec( char *hex_key_string, char *hex_nonce_string, char *hex_aad_string, char *hex_input_string, char *hex_output_string, char *hex_mac_string, int ret_exp )
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2016-05-17 19:43:01 +02:00
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{
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2018-05-09 11:21:21 +02:00
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unsigned char key_str[32]; /* size set by the standard */
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unsigned char nonce_str[12]; /* size set by the standard */
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unsigned char aad_str[12]; /* max size of test data so far */
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unsigned char input_str[265]; /* max size of binary input/output so far */
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unsigned char output_str[265];
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unsigned char output[265];
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unsigned char mac_str[16]; /* size set by the standard */
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2016-05-17 19:43:01 +02:00
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size_t input_len;
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size_t output_len;
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size_t aad_len;
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size_t key_len;
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size_t nonce_len;
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size_t mac_len;
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2018-05-07 12:56:36 +02:00
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int ret;
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mbedtls_chachapoly_context ctx;
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2016-05-17 19:43:01 +02:00
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2018-05-09 11:21:21 +02:00
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memset( key_str, 0x00, sizeof( key_str ) );
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memset( nonce_str, 0x00, sizeof( nonce_str ) );
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memset( aad_str, 0x00, sizeof( aad_str ) );
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memset( input_str, 0x00, sizeof( input_str ) );
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memset( output_str, 0x00, sizeof( output_str ) );
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memset( mac_str, 0x00, sizeof( mac_str ) );
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2016-05-17 19:43:01 +02:00
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aad_len = unhexify( aad_str, hex_aad_string );
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input_len = unhexify( input_str, hex_input_string );
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output_len = unhexify( output_str, hex_output_string );
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key_len = unhexify( key_str, hex_key_string );
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nonce_len = unhexify( nonce_str, hex_nonce_string );
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mac_len = unhexify( mac_str, hex_mac_string );
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TEST_ASSERT( key_len == 32 );
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TEST_ASSERT( nonce_len == 12 );
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TEST_ASSERT( mac_len == 16 );
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2018-05-07 12:56:36 +02:00
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mbedtls_chachapoly_init( &ctx );
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2016-05-17 19:43:01 +02:00
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2018-05-07 12:56:36 +02:00
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mbedtls_chachapoly_setkey( &ctx, key_str );
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ret = mbedtls_chachapoly_auth_decrypt( &ctx,
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input_len, nonce_str,
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aad_str, aad_len,
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mac_str, input_str, output );
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2018-05-09 12:22:13 +02:00
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TEST_ASSERT( ret == ret_exp );
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if( ret_exp == 0 )
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{
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TEST_ASSERT( memcmp( output_str, output, output_len ) == 0 );
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}
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2018-05-07 12:56:36 +02:00
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exit:
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mbedtls_chachapoly_free( &ctx );
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2016-05-17 19:43:01 +02:00
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
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2018-05-07 10:43:27 +02:00
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void chachapoly_selftest()
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2016-05-17 19:43:01 +02:00
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{
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2018-05-07 10:43:27 +02:00
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TEST_ASSERT( mbedtls_chachapoly_self_test( 1 ) == 0 );
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2016-05-17 19:43:01 +02:00
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}
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/* END_CASE */
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