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tildefriends/deps/libsodium/test/default/aead_xchacha20poly1305.c

204 lines
8.4 KiB
C
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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, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53 };
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(NULL, 0, NULL, c, CLEN, ad,
ADLEN, nonce, firstkey) != 0) {
printf("crypto_aead_xchacha20poly1305_ietf_decrypt() tag-only verification failed\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, guard_page,
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_abytes() == crypto_aead_xchacha20poly1305_ietf_ABYTES);
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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