Fallagassrini Bypass Shell

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Current Path : /usr/share/doc/libsodium-devel-1.0.18/
Linux server.meentosys.com 3.10.0-1160.105.1.el7.x86_64 #1 SMP Thu Dec 7 15:39:45 UTC 2023 x86_64
Current File : //usr/share/doc/libsodium-devel-1.0.18/sodium_utils.c
#define TEST_NAME "sodium_utils"
#include "cmptest.h"

int
main(void)
{
    unsigned char  buf_add[1000];
    unsigned char  buf1[1000];
    unsigned char  buf2[1000];
    unsigned char  buf1_rev[1000];
    unsigned char  buf2_rev[1000];
    unsigned char  nonce[24];
    char           nonce_hex[49];
    unsigned char *bin_padded;
    size_t         bin_len, bin_len2;
    size_t         bin_padded_len;
    size_t         bin_padded_maxlen;
    size_t         blocksize;
    unsigned int   i;
    unsigned int   j;

    randombytes_buf(buf1, sizeof buf1);
    memcpy(buf2, buf1, sizeof buf2);
    printf("%d\n", sodium_memcmp(buf1, buf2, sizeof buf1));
    sodium_memzero(buf1, 0U);
    printf("%d\n", sodium_memcmp(buf1, buf2, sizeof buf1));
    sodium_memzero(buf1, sizeof buf1 / 2);
    printf("%d\n", sodium_memcmp(buf1, buf2, sizeof buf1));
    printf("%d\n", sodium_memcmp(buf1, buf2, 0U));
    sodium_memzero(buf2, sizeof buf2 / 2);
    printf("%d\n", sodium_memcmp(buf1, buf2, sizeof buf1));
    printf("%d\n", sodium_memcmp(buf1, guard_page, 0U));
    printf("%d\n", sodium_memcmp(guard_page, buf2, 0U));
    printf("%d\n", sodium_memcmp(guard_page, guard_page, 0U));
    sodium_memzero(guard_page, 0U);

    memset(nonce, 0, sizeof nonce);
    sodium_increment(nonce, sizeof nonce);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
    memset(nonce, 255, sizeof nonce);
    sodium_increment(nonce, sizeof nonce);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
    nonce[1] = 1U;
    sodium_increment(nonce, sizeof nonce);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
    nonce[1] = 0U;
    sodium_increment(nonce, sizeof nonce);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
    nonce[0] = 255U;
    nonce[2] = 255U;
    sodium_increment(nonce, sizeof nonce);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
    for (i = 0U; i < 1000U; i++) {
        bin_len = (size_t) randombytes_uniform(sizeof buf1);
        randombytes_buf(buf1, bin_len);
        randombytes_buf(buf2, bin_len);
        for (j = 0U; j < bin_len; j++) {
            buf1_rev[bin_len - 1 - j] = buf1[j];
            buf2_rev[bin_len - 1 - j] = buf2[j];
        }
        if (memcmp(buf1_rev, buf2_rev, bin_len) *
            sodium_compare(buf1, buf2, bin_len) < 0) {
            printf("sodium_compare() failure with length=%u\n",
                   (unsigned int) bin_len);
        }
        memcpy(buf1, buf2, bin_len);
        if (sodium_compare(buf1, buf2, bin_len)) {
            printf("sodium_compare() equality failure with length=%u\n",
                   (unsigned int) bin_len);
        }
    }
    printf("%d\n", sodium_compare(buf1, NULL, 0U));
    printf("%d\n", sodium_compare(NULL, buf1, 0U));
    memset(buf1, 0, sizeof buf1);
    if (sodium_is_zero(buf1, sizeof buf1) != 1) {
        printf("sodium_is_zero() failed\n");
    }
    for (i = 0U; i < sizeof buf1; i++) {
        buf1[i]++;
        if (sodium_is_zero(buf1, sizeof buf1) != 0) {
            printf("sodium_is_zero() failed\n");
        }
        buf1[i]--;
    }
    bin_len = randombytes_uniform(sizeof buf1);
    randombytes_buf(buf1, bin_len);
    memcpy(buf2, buf1, bin_len);
    memset(buf_add, 0, bin_len);
    j = randombytes_uniform(10000);
    for (i = 0U; i < j; i++) {
        sodium_increment(buf1, bin_len);
        sodium_increment(buf_add, bin_len);
    }
    sodium_add(buf2, buf_add, bin_len);
    if (sodium_compare(buf1, buf2, bin_len) != 0) {
        printf("sodium_add() failed\n");
    }
    bin_len = randombytes_uniform(sizeof buf1);
    randombytes_buf(buf1, bin_len);
    memcpy(buf2, buf1, bin_len);
    memset(buf_add, 0xff, bin_len);
    sodium_increment(buf2, bin_len);
    sodium_increment(buf2, 0U);
    sodium_add(buf2, buf_add, bin_len);
    sodium_add(buf2, buf_add, 0U);
    if (sodium_compare(buf1, buf2, bin_len) != 0) {
        printf("sodium_add() failed\n");
    }
    for (i = 0U; i < 1000U; i++) {
        randombytes_buf(buf1, bin_len);
        randombytes_buf(buf2, bin_len);
        sodium_add(buf1, buf2, bin_len);
        sodium_sub(buf1, buf2, bin_len);
        sodium_sub(buf1, buf2, 0U);
        if (sodium_is_zero(buf1, bin_len) &&
            !sodium_is_zero(buf1, bin_len)) {
            printf("sodium_sub() failed\n");
        }
        sodium_sub(buf1, buf1, bin_len);
        if (!sodium_is_zero(buf1, bin_len)) {
            printf("sodium_sub() failed\n");
        }
    }
    assert(sizeof nonce >= 24U);
    memset(nonce, 0xfe, 24U);
    memset(nonce, 0xff, 6U);
    sodium_increment(nonce, 8U);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
    memset(nonce, 0xfe, 24U);
    memset(nonce, 0xff, 10U);
    sodium_increment(nonce, 12U);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
    memset(nonce, 0xff, 22U);
    sodium_increment(nonce, 24U);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));

    assert(sizeof nonce >= 24U);
    memset(nonce, 0xfe, 24U);
    memset(nonce, 0xff, 6U);
    sodium_add(nonce, nonce, 7U);
    sodium_add(nonce, nonce, 8U);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
    memset(nonce, 0xfe, 24U);
    memset(nonce, 0xff, 10U);
    sodium_add(nonce, nonce, 11U);
    sodium_add(nonce, nonce, 12U);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
    memset(nonce, 0xff, 22U);
    sodium_add(nonce, nonce, 23U);
    sodium_add(nonce, nonce, 24U);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
    sodium_add(nonce, nonce, 0U);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
    sodium_add(nonce, guard_page, 0U);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
    sodium_add(guard_page, nonce, 0U);

    sodium_sub(nonce, nonce, 0U);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
    sodium_sub(nonce, guard_page, 0U);
    printf("%s\n",
           sodium_bin2hex(nonce_hex, sizeof nonce_hex, nonce, sizeof nonce));
    sodium_sub(guard_page, nonce, 0U);

    randombytes_buf(buf1, 64U);
    randombytes_buf(buf2, 64U);
    memset(buf_add, 0, 64U);
    sodium_add(buf_add, buf1, 64U);
    assert(!sodium_is_zero(buf_add, 64U));
    sodium_add(buf_add, buf2, 64U);
    assert(!sodium_is_zero(buf_add, 64U));
    sodium_sub(buf_add, buf1, 64U);
    assert(!sodium_is_zero(buf_add, 64U));
    sodium_sub(buf_add, buf2, 64U);
    assert(sodium_is_zero(buf_add, 64U));

    for (i = 0; i < 2000U; i++) {
        bin_len = randombytes_uniform(200U);
        blocksize = 1U + randombytes_uniform(500U);
        bin_padded_maxlen = bin_len + (blocksize - bin_len % blocksize);
        bin_padded = (unsigned char *) sodium_malloc(bin_padded_maxlen);
        randombytes_buf(bin_padded, bin_padded_maxlen);

        assert(sodium_pad(&bin_padded_len, bin_padded, bin_len,
                          blocksize, bin_padded_maxlen - 1U) == -1);
        assert(sodium_pad(NULL, bin_padded, bin_len,
                          blocksize, bin_padded_maxlen + 1U) == 0);
        assert(sodium_pad(&bin_padded_len, bin_padded, bin_len,
                          blocksize, bin_padded_maxlen + 1U) == 0);
        assert(sodium_pad(&bin_padded_len, bin_padded, bin_len,
                          0U, bin_padded_maxlen) == -1);
        assert(sodium_pad(&bin_padded_len, bin_padded, bin_len,
                          blocksize, bin_padded_maxlen) == 0);
        assert(bin_padded_len == bin_padded_maxlen);

        assert(sodium_unpad(&bin_len2, bin_padded, bin_padded_len,
                            bin_padded_len + 1U) == -1);
        assert(sodium_unpad(&bin_len2, bin_padded, bin_padded_len,
                            0U) == -1);
        assert(sodium_unpad(&bin_len2, bin_padded, bin_padded_len,
                            blocksize) == 0);
        assert(bin_len2 == bin_len);

        sodium_free(bin_padded);
    }

    sodium_stackzero(512);

    return 0;
}
bypass 1.0, Devloped By El Moujahidin (the source has been moved and devloped)
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