FreeBSD/Linux Kernel Cross Reference
sys/contrib/libsodium/test/default/secretbox7.c

     
     #define TEST_NAME "secretbox7"
     #include "cmptest.h"
     
     static unsigned char k[crypto_secretbox_KEYBYTES];
     static unsigned char n[crypto_secretbox_NONCEBYTES];
     static unsigned char m[10000];
     static unsigned char c[10000];
     static unsigned char m2[10000];
    
    int
    main(void)
    {
        size_t mlen;
        size_t i;
    
        for (mlen = 0; mlen < 1000 && mlen + crypto_secretbox_ZEROBYTES < sizeof m;
             ++mlen) {
            crypto_secretbox_keygen(k);
            randombytes_buf(n, crypto_secretbox_NONCEBYTES);
            randombytes_buf(m + crypto_secretbox_ZEROBYTES, mlen);
            crypto_secretbox(c, m, mlen + crypto_secretbox_ZEROBYTES, n, k);
            if (crypto_secretbox_open(m2, c, mlen + crypto_secretbox_ZEROBYTES, n,
                                      k) == 0) {
                for (i = 0; i < mlen + crypto_secretbox_ZEROBYTES; ++i) {
                    if (m2[i] != m[i]) {
                        printf("bad decryption\n");
                        break;
                    }
                }
            } else {
                printf("ciphertext fails verification\n");
            }
        }
        return 0;
    }

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