187 lines
7.6 KiB
C
187 lines
7.6 KiB
C
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#define TEST_NAME "chacha20"
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#include "cmptest.h"
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static
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void tv(void)
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{
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static struct {
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const char *key_hex;
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const char *nonce_hex;
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} tests[]
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= { { "0000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000000" },
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{ "0000000000000000000000000000000000000000000000000000000000000001",
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"0000000000000000" },
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{ "0000000000000000000000000000000000000000000000000000000000000000",
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"0000000000000001" },
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{ "0000000000000000000000000000000000000000000000000000000000000000",
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"0100000000000000" },
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{ "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f",
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"0001020304050607" } };
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unsigned char key[crypto_stream_chacha20_KEYBYTES];
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unsigned char nonce[crypto_stream_chacha20_NONCEBYTES];
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unsigned char *part;
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unsigned char out[160];
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unsigned char zero[160];
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char out_hex[160 * 2 + 1];
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size_t i = 0U;
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size_t plen;
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memset(zero, 0, sizeof zero);
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do {
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sodium_hex2bin((unsigned char *)key, sizeof key, tests[i].key_hex,
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strlen(tests[i].key_hex), NULL, NULL, NULL);
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sodium_hex2bin(nonce, sizeof nonce, tests[i].nonce_hex,
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strlen(tests[i].nonce_hex), NULL, NULL, NULL);
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crypto_stream_chacha20(out, sizeof out, nonce, key);
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sodium_bin2hex(out_hex, sizeof out_hex, out, sizeof out);
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printf("[%s]\n", out_hex);
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for (plen = 1U; plen < sizeof out; plen++) {
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part = (unsigned char *) sodium_malloc(plen);
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crypto_stream_chacha20_xor(part, out, plen, nonce, key);
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if (memcmp(part, zero, plen) != 0) {
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printf("Failed with length %lu\n", (unsigned long) plen);
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}
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sodium_free(part);
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}
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} while (++i < (sizeof tests) / (sizeof tests[0]));
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assert(66 <= sizeof out);
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for (plen = 1U; plen < 66; plen += 3) {
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memset(out, (int) (plen & 0xff), sizeof out);
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crypto_stream_chacha20(out, plen, nonce, key);
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sodium_bin2hex(out_hex, sizeof out_hex, out, sizeof out);
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printf("[%s]\n", out_hex);
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}
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randombytes_buf(out, sizeof out);
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crypto_stream_chacha20(out, sizeof out, nonce, key);
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sodium_bin2hex(out_hex, sizeof out_hex, out, sizeof out);
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printf("[%s]\n", out_hex);
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assert(crypto_stream_chacha20(out, 0U, nonce, key) == 0);
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assert(crypto_stream_chacha20_xor(out, out, 0U, nonce, key) == 0);
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assert(crypto_stream_chacha20_xor(out, out, 0U, nonce, key) == 0);
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assert(crypto_stream_chacha20_xor_ic(out, out, 0U, nonce, 1U, key) == 0);
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memset(out, 0x42, sizeof out);
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crypto_stream_chacha20_xor(out, out, sizeof out, nonce, key);
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sodium_bin2hex(out_hex, sizeof out_hex, out, sizeof out);
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printf("[%s]\n", out_hex);
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crypto_stream_chacha20_xor_ic(out, out, sizeof out, nonce, 0U, key);
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sodium_bin2hex(out_hex, sizeof out_hex, out, sizeof out);
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printf("[%s]\n", out_hex);
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crypto_stream_chacha20_xor_ic(out, out, sizeof out, nonce, 1U, key);
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sodium_bin2hex(out_hex, sizeof out_hex, out, sizeof out);
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printf("[%s]\n", out_hex);
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}
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static
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void tv_ietf(void)
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{
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static struct {
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const char *key_hex;
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const char *nonce_hex;
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uint32_t ic;
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} tests[]
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= { { "0000000000000000000000000000000000000000000000000000000000000000",
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"000000000000000000000000",
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0U },
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{ "0000000000000000000000000000000000000000000000000000000000000000",
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"000000000000000000000000",
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1U },
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{ "0000000000000000000000000000000000000000000000000000000000000001",
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"000000000000000000000000",
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1U },
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{ "00ff000000000000000000000000000000000000000000000000000000000000",
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"000000000000000000000000",
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2U },
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{ "0000000000000000000000000000000000000000000000000000000000000000",
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"000000000000000000000002",
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0U },
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{ "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f",
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"000000090000004a00000000",
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1U },
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{ "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f",
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"000000090000004a00000000",
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0xfeffffff }};
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unsigned char key[crypto_stream_chacha20_KEYBYTES];
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unsigned char nonce[crypto_stream_chacha20_IETF_NONCEBYTES];
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unsigned char *part;
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unsigned char out[160];
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unsigned char zero[160];
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char out_hex[160 * 2 + 1];
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size_t i = 0U;
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size_t plen;
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memset(zero, 0, sizeof zero);
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do {
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sodium_hex2bin((unsigned char *)key, sizeof key, tests[i].key_hex,
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strlen(tests[i].key_hex), ": ", NULL, NULL);
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sodium_hex2bin(nonce, sizeof nonce, tests[i].nonce_hex,
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strlen(tests[i].nonce_hex), ": ", NULL, NULL);
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memset(out, 0, sizeof out);
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crypto_stream_chacha20_ietf_xor_ic(out, out, sizeof out, nonce, tests[i].ic, key);
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sodium_bin2hex(out_hex, sizeof out_hex, out, sizeof out);
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printf("[%s]\n", out_hex);
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for (plen = 1U; plen < sizeof out; plen++) {
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part = (unsigned char *) sodium_malloc(plen);
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crypto_stream_chacha20_ietf_xor_ic(part, out, plen, nonce, tests[i].ic, key);
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if (memcmp(part, zero, plen) != 0) {
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printf("Failed with length %lu\n", (unsigned long) plen);
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}
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sodium_free(part);
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}
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} while (++i < (sizeof tests) / (sizeof tests[0]));
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assert(66 <= sizeof out);
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for (plen = 1U; plen < 66; plen += 3) {
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memset(out, (int) (plen & 0xff), sizeof out);
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crypto_stream_chacha20_ietf(out, plen, nonce, key);
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sodium_bin2hex(out_hex, sizeof out_hex, out, sizeof out);
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printf("[%s]\n", out_hex);
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}
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randombytes_buf(out, sizeof out);
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crypto_stream_chacha20_ietf(out, sizeof out, nonce, key);
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sodium_bin2hex(out_hex, sizeof out_hex, out, sizeof out);
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printf("[%s]\n", out_hex);
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assert(crypto_stream_chacha20_ietf(out, 0U, nonce, key) == 0);
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assert(crypto_stream_chacha20_ietf_xor(out, out, 0U, nonce, key) == 0);
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assert(crypto_stream_chacha20_ietf_xor(out, out, 0U, nonce, key) == 0);
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assert(crypto_stream_chacha20_ietf_xor_ic(out, out, 0U, nonce, 1U, key) == 0);
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memset(out, 0x42, sizeof out);
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crypto_stream_chacha20_ietf_xor(out, out, sizeof out, nonce, key);
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sodium_bin2hex(out_hex, sizeof out_hex, out, sizeof out);
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printf("[%s]\n", out_hex);
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crypto_stream_chacha20_ietf_xor_ic(out, out, sizeof out, nonce, 0U, key);
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sodium_bin2hex(out_hex, sizeof out_hex, out, sizeof out);
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printf("[%s]\n", out_hex);
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crypto_stream_chacha20_ietf_xor_ic(out, out, sizeof out, nonce, 1U, key);
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sodium_bin2hex(out_hex, sizeof out_hex, out, sizeof out);
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printf("[%s]\n", out_hex);
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}
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int
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main(void)
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{
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tv();
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tv_ietf();
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assert(crypto_stream_chacha20_keybytes() > 0U);
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assert(crypto_stream_chacha20_keybytes() == crypto_stream_chacha20_KEYBYTES);
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assert(crypto_stream_chacha20_noncebytes() > 0U);
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assert(crypto_stream_chacha20_noncebytes() == crypto_stream_chacha20_NONCEBYTES);
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assert(crypto_stream_chacha20_messagebytes_max() == crypto_stream_chacha20_MESSAGEBYTES_MAX);
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assert(crypto_stream_chacha20_ietf_keybytes() > 0U);
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assert(crypto_stream_chacha20_ietf_keybytes() == crypto_stream_chacha20_ietf_KEYBYTES);
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assert(crypto_stream_chacha20_ietf_noncebytes() > 0U);
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assert(crypto_stream_chacha20_ietf_noncebytes() == crypto_stream_chacha20_ietf_NONCEBYTES);
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assert(crypto_stream_chacha20_ietf_messagebytes_max() == crypto_stream_chacha20_ietf_MESSAGEBYTES_MAX);
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return 0;
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}
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