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50 lines
1.5 KiB
50 lines
1.5 KiB
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#define TEST_NAME "box7"
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#include "cmptest.h"
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static unsigned char alicesk[crypto_box_SECRETKEYBYTES];
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static unsigned char alicepk[crypto_box_PUBLICKEYBYTES];
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static unsigned char bobsk[crypto_box_SECRETKEYBYTES];
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static unsigned char bobpk[crypto_box_PUBLICKEYBYTES];
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static unsigned char n[crypto_box_NONCEBYTES];
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int
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main(void)
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{
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unsigned char *m;
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unsigned char *c;
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unsigned char *m2;
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size_t mlen;
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size_t mlen_max = 1000;
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size_t i;
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int ret;
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m = (unsigned char *) sodium_malloc(mlen_max);
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c = (unsigned char *) sodium_malloc(mlen_max);
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m2 = (unsigned char *) sodium_malloc(mlen_max);
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memset(m, 0, crypto_box_ZEROBYTES);
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crypto_box_keypair(alicepk, alicesk);
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crypto_box_keypair(bobpk, bobsk);
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for (mlen = 0; mlen + crypto_box_ZEROBYTES <= mlen_max; mlen++) {
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randombytes_buf(n, crypto_box_NONCEBYTES);
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randombytes_buf(m + crypto_box_ZEROBYTES, mlen);
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ret = crypto_box(c, m, mlen + crypto_box_ZEROBYTES, n, bobpk, alicesk);
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assert(ret == 0);
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if (crypto_box_open(m2, c, mlen + crypto_box_ZEROBYTES, n, alicepk,
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bobsk) == 0) {
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for (i = 0; i < mlen + crypto_box_ZEROBYTES; ++i) {
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if (m2[i] != m[i]) {
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printf("bad decryption\n");
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break;
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}
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}
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} else {
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printf("ciphertext fails verification\n");
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}
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}
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sodium_free(m);
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sodium_free(c);
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sodium_free(m2);
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return 0;
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}
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