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Open Menu /sys/contrib/libsodium/test/default/secretbox.c 
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#define TEST_NAME "secretbox"
#include "cmptest.h"

static unsigned char firstkey[32] = { 0x1b, 0x27, 0x55, 0x64, 0x73, 0xe9, 0x85,
                                      0xd4, 0x62, 0xcd, 0x51, 0x19, 0x7a, 0x9a,
                                      0x46, 0xc7, 0x60, 0x09, 0x54, 0x9e, 0xac,
                                      0x64, 0x74, 0xf2, 0x06, 0xc4, 0xee, 0x08,
                                      0x44, 0xf6, 0x83, 0x89 };

static unsigned char nonce[24] = { 0x69, 0x69, 0x6e, 0xe9, 0x55, 0xb6,
                                   0x2b, 0x73, 0xcd, 0x62, 0xbd, 0xa8,
                                   0x75, 0xfc, 0x73, 0xd6, 0x82, 0x19,
                                   0xe0, 0x03, 0x6b, 0x7a, 0x0b, 0x37 };

/* API requires first 32 bytes to be 0 */
static unsigned char m[163] = {
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0xbe, 0x07, 0x5f, 0xc5,
    0x3c, 0x81, 0xf2, 0xd5, 0xcf, 0x14, 0x13, 0x16, 0xeb, 0xeb, 0x0c, 0x7b,
    0x52, 0x28, 0xc5, 0x2a, 0x4c, 0x62, 0xcb, 0xd4, 0x4b, 0x66, 0x84, 0x9b,
    0x64, 0x24, 0x4f, 0xfc, 0xe5, 0xec, 0xba, 0xaf, 0x33, 0xbd, 0x75, 0x1a,
    0x1a, 0xc7, 0x28, 0xd4, 0x5e, 0x6c, 0x61, 0x29, 0x6c, 0xdc, 0x3c, 0x01,
    0x23, 0x35, 0x61, 0xf4, 0x1d, 0xb6, 0x6c, 0xce, 0x31, 0x4a, 0xdb, 0x31,
    0x0e, 0x3b, 0xe8, 0x25, 0x0c, 0x46, 0xf0, 0x6d, 0xce, 0xea, 0x3a, 0x7f,
    0xa1, 0x34, 0x80, 0x57, 0xe2, 0xf6, 0x55, 0x6a, 0xd6, 0xb1, 0x31, 0x8a,
    0x02, 0x4a, 0x83, 0x8f, 0x21, 0xaf, 0x1f, 0xde, 0x04, 0x89, 0x77, 0xeb,
    0x48, 0xf5, 0x9f, 0xfd, 0x49, 0x24, 0xca, 0x1c, 0x60, 0x90, 0x2e, 0x52,
    0xf0, 0xa0, 0x89, 0xbc, 0x76, 0x89, 0x70, 0x40, 0xe0, 0x82, 0xf9, 0x37,
    0x76, 0x38, 0x48, 0x64, 0x5e, 0x07, 0x05
};

static unsigned char c[163];

int
main(void)
{
    int i;

    crypto_secretbox(c, m, 163, nonce, firstkey);
    for (i = 16; i < 163; ++i) {
        printf(",0x%02x", (unsigned int) c[i]);
        if (i % 8 == 7)
            printf("\n");
    }
    printf("\n");

    memcpy(c, m, 163);
    crypto_secretbox(c, c, 163, nonce, firstkey);
    for (i = 16; i < 163; ++i) {
        printf(",0x%02x", (unsigned int) c[i]);
        if (i % 8 == 7)
            printf("\n");
    }
    printf("\n");

    assert(crypto_secretbox(c, c, 31, nonce, firstkey) == -1);
    assert(crypto_secretbox(c, c, 12, nonce, firstkey) == -1);
    assert(crypto_secretbox(c, c, 1, nonce, firstkey) == -1);
    assert(crypto_secretbox(c, c, 0, nonce, firstkey) == -1);

    assert(crypto_secretbox_keybytes() > 0U);
    assert(crypto_secretbox_noncebytes() > 0U);
    assert(crypto_secretbox_zerobytes() > 0U);
    assert(crypto_secretbox_boxzerobytes() > 0U);
    assert(crypto_secretbox_macbytes() > 0U);
    assert(crypto_secretbox_messagebytes_max() > 0U);
    assert(strcmp(crypto_secretbox_primitive(), "xsalsa20poly1305") == 0);
    assert(crypto_secretbox_keybytes() ==
           crypto_secretbox_xsalsa20poly1305_keybytes());
    assert(crypto_secretbox_noncebytes() ==
           crypto_secretbox_xsalsa20poly1305_noncebytes());
    assert(crypto_secretbox_zerobytes() ==
           crypto_secretbox_xsalsa20poly1305_zerobytes());
    assert(crypto_secretbox_boxzerobytes() ==
           crypto_secretbox_xsalsa20poly1305_boxzerobytes());
    assert(crypto_secretbox_macbytes() ==
           crypto_secretbox_xsalsa20poly1305_macbytes());
    assert(crypto_secretbox_messagebytes_max() ==
           crypto_secretbox_xsalsa20poly1305_messagebytes_max());

    return 0;
}