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- #define TEST_NAME "aead_xchacha20poly1305"
- #include "cmptest.h"
- static int
- tv(void)
- {
- #undef MLEN
- #define MLEN 114U
- #undef ADLEN
- #define ADLEN 12U
- #undef CLEN
- #define CLEN (MLEN + crypto_aead_xchacha20poly1305_ietf_ABYTES)
- static const unsigned char firstkey[crypto_aead_xchacha20poly1305_ietf_KEYBYTES]
- = {
- 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
- 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
- 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
- 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f
- };
- #undef MESSAGE
- #define MESSAGE "Ladies and Gentlemen of the class of '99: If I could offer you " \
- "only one tip for the future, sunscreen would be it."
- unsigned char *m = (unsigned char *) sodium_malloc(MLEN);
- static const unsigned char nonce[crypto_aead_xchacha20poly1305_ietf_NPUBBYTES]
- = { 0x07, 0x00, 0x00, 0x00, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
- 0x48, 0x49, 0x4a, 0x4b };
- static const unsigned char ad[ADLEN]
- = { 0x50, 0x51, 0x52, 0x53, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7 };
- unsigned char *c = (unsigned char *) sodium_malloc(CLEN);
- unsigned char *detached_c = (unsigned char *) sodium_malloc(MLEN);
- unsigned char *key2 = (unsigned char *) sodium_malloc(crypto_aead_xchacha20poly1305_ietf_KEYBYTES);
- unsigned char *mac = (unsigned char *) sodium_malloc(crypto_aead_xchacha20poly1305_ietf_ABYTES);
- unsigned char *m2 = (unsigned char *) sodium_malloc(MLEN);
- unsigned long long found_clen;
- unsigned long long found_maclen;
- unsigned long long m2len;
- size_t i;
- assert(sizeof MESSAGE - 1U == MLEN);
- memcpy(m, MESSAGE, MLEN);
- crypto_aead_xchacha20poly1305_ietf_encrypt(c, &found_clen, m, MLEN,
- ad, ADLEN,
- NULL, nonce, firstkey);
- if (found_clen != MLEN + crypto_aead_xchacha20poly1305_ietf_abytes()) {
- printf("found_clen is not properly set\n");
- }
- for (i = 0U; i < CLEN; ++i) {
- printf(",0x%02x", (unsigned int) c[i]);
- if (i % 8 == 7) {
- printf("\n");
- }
- }
- printf("\n");
- crypto_aead_xchacha20poly1305_ietf_encrypt_detached(detached_c,
- mac, &found_maclen,
- m, MLEN,
- ad, ADLEN,
- NULL, nonce, firstkey);
- if (found_maclen != crypto_aead_xchacha20poly1305_ietf_abytes()) {
- printf("found_maclen is not properly set\n");
- }
- if (memcmp(detached_c, c, MLEN) != 0) {
- printf("detached ciphertext is bogus\n");
- }
- if (crypto_aead_xchacha20poly1305_ietf_decrypt(m2, &m2len, NULL, c, CLEN, ad,
- ADLEN, nonce, firstkey) != 0) {
- printf("crypto_aead_xchacha20poly1305_ietf_decrypt() failed\n");
- }
- if (m2len != MLEN) {
- printf("m2len is not properly set\n");
- }
- if (memcmp(m, m2, MLEN) != 0) {
- printf("m != m2\n");
- }
- memset(m2, 0, m2len);
- if (crypto_aead_xchacha20poly1305_ietf_decrypt_detached(m2, NULL,
- c, MLEN, mac,
- ad, ADLEN,
- nonce, firstkey) != 0) {
- printf("crypto_aead_xchacha20poly1305_ietf_decrypt_detached() failed\n");
- }
- if (memcmp(m, m2, MLEN) != 0) {
- printf("detached m != m2\n");
- }
- for (i = 0U; i < CLEN; i++) {
- c[i] ^= (i + 1U);
- if (crypto_aead_xchacha20poly1305_ietf_decrypt(m2, NULL, NULL, c, CLEN,
- ad, ADLEN, nonce, firstkey)
- == 0 || memcmp(m, m2, MLEN) == 0) {
- printf("message can be forged\n");
- }
- c[i] ^= (i + 1U);
- }
- crypto_aead_xchacha20poly1305_ietf_encrypt(c, &found_clen, m, MLEN,
- NULL, 0U, NULL, nonce, firstkey);
- if (found_clen != CLEN) {
- printf("clen is not properly set (adlen=0)\n");
- }
- for (i = 0U; i < CLEN; ++i) {
- printf(",0x%02x", (unsigned int) c[i]);
- if (i % 8 == 7) {
- printf("\n");
- }
- }
- printf("\n");
- if (crypto_aead_xchacha20poly1305_ietf_decrypt(m2, &m2len, NULL, c, CLEN,
- NULL, 0U, nonce, firstkey) != 0) {
- printf("crypto_aead_xchacha20poly1305_ietf_decrypt() failed (adlen=0)\n");
- }
- if (m2len != MLEN) {
- printf("m2len is not properly set (adlen=0)\n");
- }
- if (memcmp(m, m2, MLEN) != 0) {
- printf("m != m2 (adlen=0)\n");
- }
- m2len = 1;
- if (crypto_aead_xchacha20poly1305_ietf_decrypt(
- m2, &m2len, NULL, NULL,
- randombytes_uniform(crypto_aead_xchacha20poly1305_ietf_ABYTES),
- NULL, 0U, nonce, firstkey) != -1) {
- printf("crypto_aead_xchacha20poly1305_ietf_decrypt() worked with a short "
- "ciphertext\n");
- }
- if (m2len != 0) {
- printf("Message length should have been set to zero after a failure\n");
- }
- m2len = 1;
- if (crypto_aead_xchacha20poly1305_ietf_decrypt(m2, &m2len, NULL, c, 0U, NULL, 0U,
- nonce, firstkey) != -1) {
- printf("crypto_aead_xchacha20poly1305_ietf_decrypt() worked with an empty "
- "ciphertext\n");
- }
- if (m2len != 0) {
- printf("Message length should have been set to zero after a failure\n");
- }
- memcpy(c, m, MLEN);
- crypto_aead_xchacha20poly1305_ietf_encrypt(c, &found_clen, c, MLEN,
- NULL, 0U, NULL, nonce, firstkey);
- if (found_clen != CLEN) {
- printf("clen is not properly set (adlen=0)\n");
- }
- for (i = 0U; i < CLEN; ++i) {
- printf(",0x%02x", (unsigned int) c[i]);
- if (i % 8 == 7) {
- printf("\n");
- }
- }
- printf("\n");
- if (crypto_aead_xchacha20poly1305_ietf_decrypt(c, &m2len, NULL, c, CLEN,
- NULL, 0U, nonce, firstkey) != 0) {
- printf("crypto_aead_xchacha20poly1305_ietf_decrypt() failed (adlen=0)\n");
- }
- if (m2len != MLEN) {
- printf("m2len is not properly set (adlen=0)\n");
- }
- if (memcmp(m, c, MLEN) != 0) {
- printf("m != c (adlen=0)\n");
- }
- crypto_aead_xchacha20poly1305_ietf_keygen(key2);
- if (crypto_aead_xchacha20poly1305_ietf_decrypt(c, &m2len, NULL, c, CLEN,
- NULL, 0U, nonce, key2) == 0) {
- printf("crypto_aead_xchacha20poly1305_ietf_decrypt() with a wrong key should have failed\n");
- }
- sodium_free(c);
- sodium_free(detached_c);
- sodium_free(key2);
- sodium_free(mac);
- sodium_free(m2);
- sodium_free(m);
- assert(crypto_aead_xchacha20poly1305_ietf_keybytes() == crypto_aead_xchacha20poly1305_ietf_KEYBYTES);
- assert(crypto_aead_xchacha20poly1305_ietf_npubbytes() == crypto_aead_xchacha20poly1305_ietf_NPUBBYTES);
- assert(crypto_aead_xchacha20poly1305_ietf_nsecbytes() == 0U);
- assert(crypto_aead_xchacha20poly1305_ietf_nsecbytes() == crypto_aead_xchacha20poly1305_ietf_NSECBYTES);
- assert(crypto_aead_xchacha20poly1305_ietf_messagebytes_max() == crypto_aead_xchacha20poly1305_ietf_MESSAGEBYTES_MAX);
- assert(crypto_aead_xchacha20poly1305_IETF_KEYBYTES == crypto_aead_xchacha20poly1305_ietf_KEYBYTES);
- assert(crypto_aead_xchacha20poly1305_IETF_NSECBYTES == crypto_aead_xchacha20poly1305_ietf_NSECBYTES);
- assert(crypto_aead_xchacha20poly1305_IETF_NPUBBYTES == crypto_aead_xchacha20poly1305_ietf_NPUBBYTES);
- assert(crypto_aead_xchacha20poly1305_IETF_ABYTES == crypto_aead_xchacha20poly1305_ietf_ABYTES);
- assert(crypto_aead_xchacha20poly1305_IETF_MESSAGEBYTES_MAX == crypto_aead_xchacha20poly1305_ietf_MESSAGEBYTES_MAX);
- return 0;
- }
- int
- main(void)
- {
- tv();
- return 0;
- }
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