1 2 #define TEST_NAME "box8" 3 #include "cmptest.h" 4 5 static unsigned char alicesk[crypto_box_SECRETKEYBYTES]; 6 static unsigned char alicepk[crypto_box_PUBLICKEYBYTES]; 7 static unsigned char bobsk[crypto_box_SECRETKEYBYTES]; 8 static unsigned char bobpk[crypto_box_PUBLICKEYBYTES]; 9 static unsigned char n[crypto_box_NONCEBYTES]; 10 11 int 12 main(void) 13 { 14 unsigned char *m; 15 unsigned char *c; 16 unsigned char *m2; 17 size_t mlen; 18 size_t mlen_max = 1000; 19 size_t i; 20 int faults; 21 int ret; 22 23 m = (unsigned char *) sodium_malloc(mlen_max); 24 c = (unsigned char *) sodium_malloc(mlen_max); 25 m2 = (unsigned char *) sodium_malloc(mlen_max); 26 crypto_box_keypair(alicepk, alicesk); 27 crypto_box_keypair(bobpk, bobsk); 28 for (mlen = 0; mlen + crypto_box_ZEROBYTES <= mlen_max; mlen++) { 29 randombytes_buf(n, crypto_box_NONCEBYTES); 30 randombytes_buf(m + crypto_box_ZEROBYTES, mlen); 31 ret = crypto_box(c, m, mlen + crypto_box_ZEROBYTES, n, bobpk, alicesk); 32 assert(ret == 0); 33 #ifdef BROWSER_TESTS 34 faults = 1; 35 #else 36 faults = 5; 37 #endif 38 while (faults > 0) { 39 c[rand() % (mlen + crypto_box_ZEROBYTES)] = rand(); 40 if (crypto_box_open(m2, c, mlen + crypto_box_ZEROBYTES, n, alicepk, 41 bobsk) == 0) { 42 for (i = 0; i < mlen + crypto_box_ZEROBYTES; ++i) { 43 if (m2[i] != m[i]) { 44 printf("forgery\n"); 45 return 100; 46 } 47 } 48 } else { 49 faults--; 50 } 51 } 52 } 53 sodium_free(m); 54 sodium_free(c); 55 sodium_free(m2); 56 57 return 0; 58 } 59