85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/* 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_DEPENDENCIES
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* depends_on:MBEDTLS_POLY1305_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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void mbedtls_poly1305(data_t *key, data_t *expected_mac, data_t *src_str)
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{
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unsigned char mac[16]; /* size set by the standard */
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mbedtls_poly1305_context ctx;
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memset(mac, 0x00, sizeof(mac));
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/*
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* Test the integrated API
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*/
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TEST_ASSERT(mbedtls_poly1305_mac(key->x, src_str->x,
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src_str->len, mac) == 0);
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TEST_MEMORY_COMPARE(mac, expected_mac->len,
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expected_mac->x, expected_mac->len);
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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->x) == 0);
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TEST_ASSERT(mbedtls_poly1305_update(&ctx, src_str->x, src_str->len) == 0);
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TEST_ASSERT(mbedtls_poly1305_finish(&ctx, mac) == 0);
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TEST_MEMORY_COMPARE(mac, expected_mac->len,
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expected_mac->x, expected_mac->len);
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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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if (src_str->len >= 1) {
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TEST_ASSERT(mbedtls_poly1305_starts(&ctx, key->x) == 0);
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TEST_ASSERT(mbedtls_poly1305_update(&ctx, src_str->x, 1) == 0);
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TEST_ASSERT(mbedtls_poly1305_update(&ctx, src_str->x + 1, src_str->len - 1) == 0);
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TEST_ASSERT(mbedtls_poly1305_finish(&ctx, mac) == 0);
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TEST_MEMORY_COMPARE(mac, expected_mac->len,
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expected_mac->x, expected_mac->len);
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}
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/*
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* Again with more pieces
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*/
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if (src_str->len >= 2) {
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TEST_ASSERT(mbedtls_poly1305_starts(&ctx, key->x) == 0);
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TEST_ASSERT(mbedtls_poly1305_update(&ctx, src_str->x, 1) == 0);
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TEST_ASSERT(mbedtls_poly1305_update(&ctx, src_str->x + 1, 1) == 0);
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TEST_ASSERT(mbedtls_poly1305_update(&ctx, src_str->x + 2, src_str->len - 2) == 0);
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TEST_ASSERT(mbedtls_poly1305_finish(&ctx, mac) == 0);
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TEST_MEMORY_COMPARE(mac, expected_mac->len,
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expected_mac->x, expected_mac->len);
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}
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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_SELF_TEST */
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void poly1305_selftest()
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{
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TEST_ASSERT(mbedtls_poly1305_self_test(1) == 0);
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}
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/* END_CASE */
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