1 2 #define TEST_NAME "secretbox7" 3 #include "cmptest.h" 4 5 static unsigned char k[crypto_secretbox_KEYBYTES]; 6 static unsigned char n[crypto_secretbox_NONCEBYTES]; 7 static unsigned char m[10000]; 8 static unsigned char c[10000]; 9 static unsigned char m2[10000]; 10 11 int 12 main(void) 13 { 14 size_t mlen; 15 size_t i; 16 17 for (mlen = 0; mlen < 1000 && mlen + crypto_secretbox_ZEROBYTES < sizeof m; 18 ++mlen) { 19 crypto_secretbox_keygen(k); 20 randombytes_buf(n, crypto_secretbox_NONCEBYTES); 21 randombytes_buf(m + crypto_secretbox_ZEROBYTES, mlen); 22 crypto_secretbox(c, m, mlen + crypto_secretbox_ZEROBYTES, n, k); 23 if (crypto_secretbox_open(m2, c, mlen + crypto_secretbox_ZEROBYTES, n, 24 k) == 0) { 25 for (i = 0; i < mlen + crypto_secretbox_ZEROBYTES; ++i) { 26 if (m2[i] != m[i]) { 27 printf("bad decryption\n"); 28 break; 29 } 30 } 31 } else { 32 printf("ciphertext fails verification\n"); 33 } 34 } 35 return 0; 36 } 37