104 lines
3.7 KiB
C
104 lines
3.7 KiB
C
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#define TEST_NAME "aead_chacha20poly1305"
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#include "cmptest.h"
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static unsigned char firstkey[crypto_aead_chacha20poly1305_KEYBYTES]
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= { 0x42, 0x90, 0xbc, 0xb1, 0x54, 0x17, 0x35, 0x31, 0xf3, 0x14, 0xaf,
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0x57, 0xf3, 0xbe, 0x3b, 0x50, 0x06, 0xda, 0x37, 0x1e, 0xce, 0x27,
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0x2a, 0xfa, 0x1b, 0x5d, 0xbd, 0xd1, 0x10, 0x0a, 0x10, 0x07 };
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static unsigned char m[10U]
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= { 0x86, 0xd0, 0x99, 0x74, 0x84, 0x0b, 0xde, 0xd2, 0xa5, 0xca };
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static unsigned char nonce[crypto_aead_chacha20poly1305_NPUBBYTES]
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= { 0xcd, 0x7c, 0xf6, 0x7b, 0xe3, 0x9c, 0x79, 0x4a };
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static unsigned char ad[10U]
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= { 0x87, 0xe2, 0x29, 0xd4, 0x50, 0x08, 0x45, 0xa0, 0x79, 0xc0 };
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static unsigned char c[10U + crypto_aead_chacha20poly1305_ABYTES];
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int main(void)
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{
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unsigned char m2[10U];
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unsigned long long clen;
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unsigned long long m2len;
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size_t i;
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crypto_aead_chacha20poly1305_encrypt(c, &clen, m, sizeof m, ad, sizeof ad,
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NULL, nonce, firstkey);
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if (clen != sizeof m + crypto_aead_chacha20poly1305_abytes()) {
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printf("clen is not properly set\n");
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}
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for (i = 0U; i < sizeof c; ++i) {
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printf(",0x%02x", (unsigned int)c[i]);
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if (i % 8 == 7) {
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printf("\n");
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}
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}
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printf("\n");
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if (crypto_aead_chacha20poly1305_decrypt(m2, &m2len, NULL, c, sizeof c, ad,
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sizeof ad, nonce, firstkey) != 0) {
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printf("crypto_aead_chacha20poly1305_decrypt() failed\n");
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}
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if (m2len != sizeof c - crypto_aead_chacha20poly1305_abytes()) {
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printf("m2len is not properly set\n");
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}
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if (memcmp(m, m2, sizeof m) != 0) {
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printf("m != m2\n");
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}
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for (i = 0U; i < sizeof c; i++) {
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c[i] ^= (i + 1U);
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if (crypto_aead_chacha20poly1305_decrypt(m2, NULL, NULL, c, sizeof c,
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ad, sizeof ad, nonce, firstkey)
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== 0 || memcmp(m, m2, sizeof m) == 0) {
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printf("message can be forged\n");
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}
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c[i] ^= (i + 1U);
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}
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crypto_aead_chacha20poly1305_encrypt(c, &clen, m, sizeof m, NULL, 0U, NULL,
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nonce, firstkey);
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if (clen != sizeof m + crypto_aead_chacha20poly1305_abytes()) {
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printf("clen is not properly set (adlen=0)\n");
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}
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for (i = 0U; i < sizeof c; ++i) {
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printf(",0x%02x", (unsigned int)c[i]);
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if (i % 8 == 7) {
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printf("\n");
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}
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}
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printf("\n");
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if (crypto_aead_chacha20poly1305_decrypt(m2, &m2len, NULL, c, sizeof c,
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NULL, 0U, nonce, firstkey) != 0) {
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printf("crypto_aead_chacha20poly1305_decrypt() failed (adlen=0)\n");
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}
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if (m2len != sizeof c - crypto_aead_chacha20poly1305_abytes()) {
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printf("m2len is not properly set (adlen=0)\n");
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}
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if (memcmp(m, m2, sizeof m) != 0) {
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printf("m != m2 (adlen=0)\n");
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}
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if (crypto_aead_chacha20poly1305_decrypt(
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m2, &m2len, NULL, c, crypto_aead_chacha20poly1305_ABYTES / 2, NULL,
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0U, nonce, firstkey) != -1) {
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printf("crypto_aead_chacha20poly1305_decrypt() worked with a short "
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"ciphertext\n");
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}
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if (crypto_aead_chacha20poly1305_decrypt(m2, &m2len, NULL, c, 0U, NULL, 0U,
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nonce, firstkey) != -1) {
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printf("crypto_aead_chacha20poly1305_decrypt() worked with an empty "
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"ciphertext\n");
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}
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assert(crypto_aead_chacha20poly1305_keybytes() > 0U);
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assert(crypto_aead_chacha20poly1305_npubbytes() > 0U);
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assert(crypto_aead_chacha20poly1305_nsecbytes() == 0U);
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return 0;
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}
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