Exemplos de rc4_set_key em C++ (Cpp)

Exemplo n.º 1

Arquivo: test_rc4.cpp Projeto: rdeva31/tinygrind

int main()
{
    rc4_key_t key;

    rc4_set_key(test_key1, strlen((const char *)test_key1), &key);
    unsigned char output1[sizeof(test_vec1)] = { 0 };
    print_hex_dump_bytes("OUT\t", DUMP_PREFIX_OFFSET, output1, sizeof(output1));
    rc4_crypt(output1, sizeof(output1), &key);
    print_hex_dump_bytes("VEC\t", DUMP_PREFIX_OFFSET, output1, sizeof(output1));
    assert(memcmp(test_vec1, output1, sizeof(test_vec1)) == 0);

    rc4_set_key(test_key2, strlen((const char *)test_key2), &key);
    unsigned char output2[sizeof(test_vec1)] = { 0 };
    print_hex_dump_bytes("OUT\t", DUMP_PREFIX_OFFSET, output2, sizeof(output2));
    rc4_crypt(output2, sizeof(output2), &key);
    print_hex_dump_bytes("VEC\t", DUMP_PREFIX_OFFSET, output2, sizeof(output2));
    assert(memcmp(test_vec2, output2, sizeof(test_vec2)) == 0);

    rc4_set_key(test_key3, strlen((const char *)test_key3), &key);
    unsigned char output3[sizeof(test_vec1)] = { 0 };
    print_hex_dump_bytes("OUT\t", DUMP_PREFIX_OFFSET, output3, sizeof(output3));
    rc4_crypt(output3, sizeof(output3), &key);
    print_hex_dump_bytes("VEC\t", DUMP_PREFIX_OFFSET, output3, sizeof(output3));
    assert(memcmp(test_vec3, output3, sizeof(test_vec3)) == 0);

    printf("passed\n");

    return 0;
}

Exemplo n.º 2

Arquivo: rc4.c Projeto: 0xDEC0DE8/openreil

int main(int argc, char *argv[])
{
    if (argc < 3)
    {
        return -1;
    }

    int i = 0;
    unsigned char buff[MAX_DATA_LEN];
    char *key = argv[1], *data = argv[2];
    int key_len = strlen(key);
    int data_len = strlen(data);

    memcpy(buff, data, MIN(MAX_DATA_LEN, data_len));

    printf("\nKey: ");

    for (i = 0; i < key_len; i++)
    {
        printf("%.2x ", (unsigned char)key[i]);
    }

    printf("\n\nPlaintext: ");

    for (i = 0; i < data_len; i++)
    {
        printf("%.2x ", buff[i]);
    }
 
    // encrypt
    rc4_set_key(&m_ctx, (unsigned char *)key, key_len);
    rc4_crypt(&m_ctx, buff, data_len);

    printf("\n\nEncrypted: ");

    for (i = 0; i < data_len; i++)
    {
        printf("%.2x ", buff[i]);
    }

    // decrypt
    rc4_set_key(&m_ctx, (unsigned char *)key, key_len);
    rc4_crypt(&m_ctx, buff, data_len);

    printf("\n\nDecrypted: ");

    for (i = 0; i < data_len; i++)
    {
        printf("%.2x ", buff[i]);
    }

    printf("\n\n");

    return 0;
}