also run testvectors on new CCM API
[skip ci]
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@ -17,6 +17,10 @@
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#ifdef LTC_CCM_MODE
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#if defined(LTC_CCM_TEST_DBG) && !defined(LTC_NO_TEST)
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void print_hex(const char* what, const unsigned char* p, const unsigned long l);
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#endif
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int ccm_test(void)
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{
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#ifndef LTC_TEST
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@ -32,7 +36,7 @@ int ccm_test(void)
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int ptlen;
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unsigned char ct[64];
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unsigned char tag[16];
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int taglen;
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unsigned long taglen;
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} tests[] = {
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/* 13 byte nonce, 8 byte auth, 23 byte pt */
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@ -113,10 +117,11 @@ int ccm_test(void)
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},
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};
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unsigned long taglen, x;
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unsigned long taglen, x, y;
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unsigned char buf[64], buf2[64], tag2[16], tag[16];
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int err, idx;
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symmetric_key skey;
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ccm_state ccm;
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idx = find_cipher("aes");
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if (idx == -1) {
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@ -127,47 +132,108 @@ int ccm_test(void)
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}
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for (x = 0; x < (sizeof(tests)/sizeof(tests[0])); x++) {
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for (y = 0; y < 2; y++) {
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taglen = tests[x].taglen;
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if ((err = cipher_descriptor[idx].setup(tests[x].key, 16, 0, &skey)) != CRYPT_OK) {
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return err;
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}
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if ((err = ccm_memory(idx,
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tests[x].key, 16,
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&skey,
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tests[x].nonce, tests[x].noncelen,
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tests[x].header, tests[x].headerlen,
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(unsigned char*)tests[x].pt, tests[x].ptlen,
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buf,
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tag, &taglen, 0)) != CRYPT_OK) {
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return err;
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if (y == 0) {
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if ((err = cipher_descriptor[idx].setup(tests[x].key, 16, 0, &skey)) != CRYPT_OK) {
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return err;
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}
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if ((err = ccm_memory(idx,
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tests[x].key, 16,
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&skey,
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tests[x].nonce, tests[x].noncelen,
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tests[x].header, tests[x].headerlen,
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(unsigned char*)tests[x].pt, tests[x].ptlen,
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buf,
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tag, &taglen, 0)) != CRYPT_OK) {
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return err;
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}
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} else {
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if ((err = ccm_init(&ccm, idx, tests[x].key, 16, tests[x].ptlen, tests[x].taglen, 0)) != CRYPT_OK) {
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return err;
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}
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if ((err = ccm_add_nonce(&ccm, tests[x].nonce, tests[x].noncelen)) != CRYPT_OK) {
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return err;
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}
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if ((err = ccm_process(&ccm, (unsigned char*)tests[x].pt, tests[x].ptlen, buf, CCM_ENCRYPT)) != CRYPT_OK) {
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return err;
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}
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if ((err = ccm_done(&ccm, tag, &taglen)) != CRYPT_OK) {
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return err;
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}
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}
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if (XMEMCMP(buf, tests[x].ct, tests[x].ptlen)) {
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#if defined(LTC_CCM_TEST_DBG)
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printf("\n%d: x=%lu y=%lu\n", __LINE__, x, y);
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print_hex("ct is ", tag, taglen);
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print_hex("ct should", tests[x].tag, taglen);
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#endif
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return CRYPT_FAIL_TESTVECTOR;
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}
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if (tests[x].taglen != taglen) {
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#if defined(LTC_CCM_TEST_DBG)
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printf("\n%d: x=%lu y=%lu\n", __LINE__, x, y);
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printf("taglen %lu (is) %lu (should)\n", taglen, tests[x].taglen);
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#endif
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return CRYPT_FAIL_TESTVECTOR;
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}
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if (XMEMCMP(tag, tests[x].tag, tests[x].taglen)) {
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#if defined(LTC_CCM_TEST_DBG)
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printf("\n%d: x=%lu y=%lu\n", __LINE__, x, y);
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print_hex("tag is ", tag, taglen);
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print_hex("tag should", tests[x].tag, taglen);
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#endif
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return CRYPT_FAIL_TESTVECTOR;
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}
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if ((err = ccm_memory(idx,
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tests[x].key, 16,
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NULL,
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tests[x].nonce, tests[x].noncelen,
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tests[x].header, tests[x].headerlen,
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buf2, tests[x].ptlen,
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buf,
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tag2, &taglen, 1 )) != CRYPT_OK) {
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return err;
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if (y == 0) {
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if ((err = ccm_memory(idx,
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tests[x].key, 16,
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NULL,
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tests[x].nonce, tests[x].noncelen,
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tests[x].header, tests[x].headerlen,
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buf2, tests[x].ptlen,
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buf,
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tag2, &taglen, 1 )) != CRYPT_OK) {
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return err;
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}
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} else {
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if ((err = ccm_init(&ccm, idx, tests[x].key, 16, tests[x].ptlen, tests[x].taglen, 0)) != CRYPT_OK) {
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return err;
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}
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if ((err = ccm_add_nonce(&ccm, tests[x].nonce, tests[x].noncelen)) != CRYPT_OK) {
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return err;
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}
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if ((err = ccm_process(&ccm, buf2, tests[x].ptlen, buf, CCM_DECRYPT)) != CRYPT_OK) {
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return err;
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}
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if ((err = ccm_done(&ccm, tag2, &taglen)) != CRYPT_OK) {
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return err;
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}
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}
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if (XMEMCMP(buf2, tests[x].pt, tests[x].ptlen)) {
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#if defined(LTC_CCM_TEST_DBG)
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printf("\n%d: x=%lu y=%lu\n", __LINE__, x, y);
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print_hex("pt is ", tag, taglen);
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print_hex("pt should", tests[x].tag, taglen);
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#endif
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return CRYPT_FAIL_TESTVECTOR;
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}
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if (XMEMCMP(tag2, tests[x].tag, tests[x].taglen)) {
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#if defined(LTC_CCM_TEST_DBG)
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printf("\n%d: x=%lu y=%lu\n", __LINE__, x, y);
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print_hex("tag is ", tag, taglen);
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print_hex("tag should", tests[x].tag, taglen);
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#endif
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return CRYPT_FAIL_TESTVECTOR;
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}
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cipher_descriptor[idx].done(&skey);
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if (y == 0) {
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cipher_descriptor[idx].done(&skey);
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}
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}
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}
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return CRYPT_OK;
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#endif
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