71 lines
2.1 KiB
Text
71 lines
2.1 KiB
Text
/* BEGIN_HEADER */
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#include "mbedtls/poly1305.h"
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#include <stddef.h>
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/* END_HEADER */
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/* BEGIN_CASE depends_on:MBEDTLS_POLY1305_C */
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void mbedtls_poly1305( char *hex_key_string, char *hex_mac_string, char *hex_src_string )
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{
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unsigned char src_str[375]; /* max size of binary input */
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unsigned char key[32]; /* size set by the standard */
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unsigned char mac[16]; /* size set by the standard */
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unsigned char mac_str[33]; /* hex expansion of the above */
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size_t src_len;
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mbedtls_poly1305_context ctx;
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memset( src_str, 0x00, sizeof( src_str ) );
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memset( mac_str, 0x00, sizeof( mac_str ) );
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memset( key, 0x00, sizeof( key ) );
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memset( mac, 0x00, sizeof( mac ) );
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src_len = unhexify( src_str, hex_src_string );
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unhexify( key, hex_key_string );
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/*
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* Test the integrated API
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*/
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mbedtls_poly1305_mac( key, src_str, src_len, mac );
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hexify( mac_str, mac, 16 );
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TEST_ASSERT( strcmp( (char *) mac_str, hex_mac_string ) == 0 );
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/*
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* Test the streaming API
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*/
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mbedtls_poly1305_init( &ctx );
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TEST_ASSERT( mbedtls_poly1305_starts( &ctx, key ) == 0 );
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TEST_ASSERT( mbedtls_poly1305_update( &ctx, src_str, src_len ) == 0 );
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TEST_ASSERT( mbedtls_poly1305_finish( &ctx, mac ) == 0 );
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hexify( mac_str, mac, 16 );
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TEST_ASSERT( strcmp( (char *) mac_str, hex_mac_string ) == 0 );
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/*
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* Test the streaming API again, piecewise
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*/
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/* Don't free/init the context, in order to test that starts() does the
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* right thing. */
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TEST_ASSERT( mbedtls_poly1305_starts( &ctx, key ) == 0 );
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TEST_ASSERT( mbedtls_poly1305_update( &ctx, src_str, 1 ) == 0 );
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TEST_ASSERT( mbedtls_poly1305_update( &ctx, src_str + 1, src_len - 1) == 0 );
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TEST_ASSERT( mbedtls_poly1305_finish( &ctx, mac ) == 0 );
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hexify( mac_str, mac, 16 );
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TEST_ASSERT( strcmp( (char *) mac_str, hex_mac_string ) == 0 );
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mbedtls_poly1305_free( &ctx );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:MBEDTLS_POLY1305_C:MBEDTLS_SELF_TEST */
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void poly1305_selftest()
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{
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TEST_ASSERT( mbedtls_poly1305_self_test( 0 ) == 0 );
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}
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/* END_CASE */
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