126 lines
4.5 KiB
C
126 lines
4.5 KiB
C
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#define TEST_NAME "box_easy2"
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#include "cmptest.h"
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int main(void)
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{
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unsigned char *alicepk;
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unsigned char *alicesk;
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unsigned char *bobpk;
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unsigned char *bobsk;
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unsigned char *mac;
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unsigned char *nonce;
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unsigned char *k1;
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unsigned char *k2;
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unsigned char *m;
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unsigned char *m2;
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unsigned char *c;
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size_t mlen;
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size_t i;
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size_t m_size;
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size_t m2_size;
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size_t c_size;
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int ret;
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m2_size = m_size = 1U + randombytes_uniform(10000);
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c_size = crypto_box_MACBYTES + m_size;
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m = (unsigned char *) sodium_malloc(m_size);
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m2 = (unsigned char *) sodium_malloc(m2_size);
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c = (unsigned char *) sodium_malloc(c_size);
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alicepk = (unsigned char *) sodium_malloc(crypto_box_PUBLICKEYBYTES);
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alicesk = (unsigned char *) sodium_malloc(crypto_box_SECRETKEYBYTES);
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bobpk = (unsigned char *) sodium_malloc(crypto_box_PUBLICKEYBYTES);
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bobsk = (unsigned char *) sodium_malloc(crypto_box_SECRETKEYBYTES);
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mac = (unsigned char *) sodium_malloc(crypto_box_MACBYTES);
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nonce = (unsigned char *) sodium_malloc(crypto_box_NONCEBYTES);
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k1 = (unsigned char *) sodium_malloc(crypto_box_BEFORENMBYTES);
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k2 = (unsigned char *) sodium_malloc(crypto_box_BEFORENMBYTES);
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crypto_box_keypair(alicepk, alicesk);
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crypto_box_keypair(bobpk, bobsk);
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mlen = (size_t) randombytes_uniform((uint32_t) m_size) + 1U;
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randombytes_buf(m, mlen);
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randombytes_buf(nonce, crypto_box_NONCEBYTES);
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ret = crypto_box_easy(c, m, mlen, nonce, bobpk, alicesk);
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assert(ret == 0);
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if (crypto_box_open_easy(m2, c,
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(unsigned long long) mlen + crypto_box_MACBYTES,
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nonce, alicepk, bobsk) != 0) {
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printf("open() failed");
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return 1;
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}
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printf("%d\n", memcmp(m, m2, mlen));
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for (i = 0; i < mlen + crypto_box_MACBYTES - 1; i++) {
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if (crypto_box_open_easy(m2, c, (unsigned long long) i,
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nonce, alicepk, bobsk) == 0) {
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printf("short open() should have failed");
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return 1;
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}
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}
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memcpy(c, m, mlen);
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ret = crypto_box_easy(c, c, (unsigned long long) mlen, nonce, bobpk, alicesk);
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assert(ret == 0);
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printf("%d\n", memcmp(m, c, mlen) == 0);
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printf("%d\n", memcmp(m, c + crypto_box_MACBYTES, mlen) == 0);
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if (crypto_box_open_easy(c, c,
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(unsigned long long) mlen + crypto_box_MACBYTES,
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nonce, alicepk, bobsk) != 0) {
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printf("crypto_box_open_easy() failed\n");
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}
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ret = crypto_box_beforenm(k1, alicepk, bobsk);
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assert(ret == 0);
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ret = crypto_box_beforenm(k2, bobpk, alicesk);
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assert(ret == 0);
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memset(m2, 0, m2_size);
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if (crypto_box_easy_afternm(c, m, SIZE_MAX - 1U, nonce, k1) == 0) {
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printf("crypto_box_easy_afternm() with a short ciphertext should have failed\n");
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}
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crypto_box_easy_afternm(c, m, (unsigned long long) mlen, nonce, k1);
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if (crypto_box_open_easy_afternm(m2, c,
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(unsigned long long) mlen + crypto_box_MACBYTES,
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nonce, k2) != 0) {
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printf("crypto_box_open_easy_afternm() failed\n");
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}
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printf("%d\n", memcmp(m, m2, mlen));
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if (crypto_box_open_easy_afternm(m2, c, crypto_box_MACBYTES - 1U,
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nonce, k2) == 0) {
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printf("crypto_box_open_easy_afternm() with a huge ciphertext should have failed\n");
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}
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memset(m2, 0, m2_size);
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ret = crypto_box_detached(c, mac, m, (unsigned long long) mlen,
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nonce, alicepk, bobsk);
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assert(ret == 0);
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if (crypto_box_open_detached(m2, c, mac, (unsigned long long) mlen,
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nonce, bobpk, alicesk) != 0) {
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printf("crypto_box_open_detached() failed\n");
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}
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printf("%d\n", memcmp(m, m2, mlen));
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memset(m2, 0, m2_size);
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crypto_box_detached_afternm(c, mac, m, (unsigned long long) mlen,
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nonce, k1);
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if (crypto_box_open_detached_afternm(m2, c, mac, (unsigned long long) mlen,
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nonce, k2) != 0) {
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printf("crypto_box_open_detached_afternm() failed\n");
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}
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printf("%d\n", memcmp(m, m2, mlen));
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sodium_free(alicepk);
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sodium_free(alicesk);
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sodium_free(bobpk);
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sodium_free(bobsk);
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sodium_free(mac);
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sodium_free(nonce);
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sodium_free(k1);
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sodium_free(k2);
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sodium_free(m);
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sodium_free(m2);
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sodium_free(c);
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printf("OK\n");
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return 0;
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}
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