56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
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#define TEST_NAME "secretbox_easy2"
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#include "cmptest.h"
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unsigned char m[10000];
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unsigned char m2[10000];
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unsigned char c[crypto_secretbox_MACBYTES + 10000];
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unsigned char nonce[crypto_secretbox_NONCEBYTES];
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unsigned char k[crypto_secretbox_KEYBYTES];
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unsigned char mac[crypto_secretbox_MACBYTES];
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int main(void)
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{
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size_t mlen;
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size_t i;
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randombytes_buf(k, sizeof k);
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mlen = (size_t) randombytes_uniform((uint32_t) sizeof m);
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randombytes_buf(m, (unsigned long long) mlen);
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randombytes_buf(nonce, sizeof nonce);
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crypto_secretbox_easy(c, m, (unsigned long long) mlen, nonce, k);
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if (crypto_secretbox_open_easy(m2, c,
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(unsigned long long) mlen + crypto_secretbox_MACBYTES,
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nonce, k) != 0) {
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printf("crypto_secretbox_open_easy() failed\n");
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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_secretbox_MACBYTES - 1; i++) {
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if (crypto_secretbox_open_easy(m2, c, (unsigned long long) i,
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nonce, k) == 0) {
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printf("short open() should have failed\n");
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return 1;
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}
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}
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crypto_secretbox_detached(c, mac, m, (unsigned long long) mlen, nonce, k);
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if (crypto_secretbox_open_detached(m2, c, mac, (unsigned long long) mlen,
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nonce, k) != 0) {
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printf("crypto_secretbox_open_detached() failed\n");
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}
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printf("%d\n", memcmp(m, m2, mlen));
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memcpy(c, m, mlen);
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crypto_secretbox_easy(c, c, (unsigned long long) mlen, nonce, k);
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printf("%d\n", memcmp(m, c, mlen) == 0);
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printf("%d\n", memcmp(m, c + crypto_secretbox_MACBYTES, mlen) == 0);
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if (crypto_secretbox_open_easy(c, c,
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(unsigned long long) mlen + crypto_secretbox_MACBYTES,
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nonce, k) != 0) {
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printf("crypto_secretbox_open_easy() failed\n");
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}
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printf("%d\n", memcmp(m, c, mlen));
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return 0;
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}
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