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#include <stdio.h>
#include <string.h>
#define TEST_NAME "aead_chacha20poly1305"
#include "cmptest.h"
static unsigned char firstkey[crypto_aead_chacha20poly1305_KEYBYTES] = {
0x42, 0x90, 0xbc, 0xb1, 0x54, 0x17, 0x35, 0x31,
0xf3, 0x14, 0xaf, 0x57, 0xf3, 0xbe, 0x3b, 0x50,
0x06, 0xda, 0x37, 0x1e, 0xce, 0x27, 0x2a, 0xfa,
0x1b, 0x5d, 0xbd, 0xd1, 0x10, 0x0a, 0x10, 0x07
};
static unsigned char m[10U] = {
0x86, 0xd0, 0x99, 0x74, 0x84, 0x0b, 0xde, 0xd2, 0xa5, 0xca
};
static unsigned char nonce[crypto_aead_chacha20poly1305_NPUBBYTES] = {
0xcd, 0x7c, 0xf6, 0x7b, 0xe3, 0x9c, 0x79, 0x4a
};
static unsigned char ad[10U] = {
0x87, 0xe2, 0x29, 0xd4, 0x50, 0x08, 0x45, 0xa0, 0x79, 0xc0
};
static unsigned char c[10U + crypto_aead_chacha20poly1305_ABYTES];
int main(void)
{
unsigned char m2[10U];
unsigned long long clen;
unsigned long long m2len;
size_t i;
crypto_aead_chacha20poly1305_encrypt(c, &clen, m, sizeof m, ad, sizeof ad,
NULL, nonce, firstkey);
if (clen != sizeof m + crypto_aead_chacha20poly1305_abytes()) {
printf("clen is not properly set\n");
}
for (i = 0U; i < sizeof c; ++i) {
printf(",0x%02x", (unsigned int) c[i]);
if (i % 8 == 7) {
printf("\n");
}
}
printf("\n");
if (crypto_aead_chacha20poly1305_decrypt(m2, &m2len, NULL, c, sizeof c,
ad, sizeof ad,
nonce, firstkey) != 0) {
printf("crypto_aead_chacha20poly1305_decrypt() failed\n");
}
if (m2len != sizeof c - crypto_aead_chacha20poly1305_abytes()) {
printf("m2len is not properly set\n");
}
if (memcmp(m, m2, sizeof m) != 0) {
printf("m != m2\n");
}
for (i = 0U; i < sizeof c; i++) {
c[i] ^= (i + 1U);
if (crypto_aead_chacha20poly1305_decrypt(m2, NULL, NULL, c, sizeof c,
ad, sizeof ad,
nonce, firstkey) == 0 ||
memcmp(m, m2, sizeof m) == 0) {
printf("message can be forged\n");
}
c[i] ^= (i + 1U);
}
crypto_aead_chacha20poly1305_encrypt(c, &clen, m, sizeof m, NULL, 0U,
NULL, nonce, firstkey);
if (clen != sizeof m + crypto_aead_chacha20poly1305_abytes()) {
printf("clen is not properly set (adlen=0)\n");
}
for (i = 0U; i < sizeof c; ++i) {
printf(",0x%02x", (unsigned int) c[i]);
if (i % 8 == 7) {
printf("\n");
}
}
printf("\n");
if (crypto_aead_chacha20poly1305_decrypt(m2, &m2len, NULL, c, sizeof c,
NULL, 0U,
nonce, firstkey) != 0) {
printf("crypto_aead_chacha20poly1305_decrypt() failed (adlen=0)\n");
}
if (m2len != sizeof c - crypto_aead_chacha20poly1305_abytes()) {
printf("m2len is not properly set (adlen=0)\n");
}
if (memcmp(m, m2, sizeof m) != 0) {
printf("m != m2 (adlen=0)\n");
}
return 0;
}
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