mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-12-02 01:54:19 +01:00
52a56d3b86
In addition to making the APIs of the various AEAD modules more consistent with each other, it's useful to have an auth_decrypt() function so that we can safely check the tag ourselves, as the user might otherwise do it in an insecure way (or even forget to do it altogether).
125 lines
3.9 KiB
Plaintext
125 lines
3.9 KiB
Plaintext
/* BEGIN_HEADER */
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#include "mbedtls/chachapoly.h"
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:MBEDTLS_CHACHAPOLY_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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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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{
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unsigned char key_str[32];
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unsigned char nonce_str[12];
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unsigned char aad_str[10000];
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unsigned char input_str[10000];
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unsigned char output_str[10000];
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unsigned char mac_str[16];
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unsigned char output[10000];
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unsigned char mac[16];
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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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mbedtls_chachapoly_context ctx;
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memset( key_str, 0x00, 32 );
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memset( nonce_str, 0x00, 12 );
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memset( aad_str, 0x00, 10000 );
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memset( input_str, 0x00, 10000 );
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memset( output_str, 0x00, 10000 );
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memset( mac_str, 0x00, 16 );
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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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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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MBEDTLS_CHACHAPOLY_ENCRYPT,
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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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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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exit:
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mbedtls_chachapoly_free( &ctx );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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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 )
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{
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unsigned char key_str[32];
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unsigned char nonce_str[12];
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unsigned char aad_str[10000];
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unsigned char input_str[10000];
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unsigned char output_str[10000];
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unsigned char mac_str[16];
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unsigned char output[10000];
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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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int ret;
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mbedtls_chachapoly_context ctx;
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memset( key_str, 0x00, 32 );
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memset( nonce_str, 0x00, 12 );
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memset( aad_str, 0x00, 10000 );
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memset( input_str, 0x00, 10000 );
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memset( output_str, 0x00, 10000 );
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memset( mac_str, 0x00, 16 );
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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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mbedtls_chachapoly_init( &ctx );
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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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TEST_ASSERT( ret == 0 );
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TEST_ASSERT( memcmp( output_str, output, output_len ) == 0 );
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exit:
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mbedtls_chachapoly_free( &ctx );
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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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void chachapoly_selftest()
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{
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TEST_ASSERT( mbedtls_chachapoly_self_test( 1 ) == 0 );
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}
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/* END_CASE */
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