aboutsummaryrefslogblamecommitdiffstatshomepage
path: root/test/aes128ofb_encrypt_block.c
blob: f52affa101ceadcd42437756b6995310ff724bed (plain) (tree)
1
2
3
4
5
6
7
8
9
10
11
12











                                                                       
                   
 
                             
 
                                                                                                    




                               

                                                   

                                              
 

                              
 
                                                   



                                                                       
 
                                                    



                                                                         
 
                                                         
 
                                                            
         


                                         
                                                         



                                                                           

                                                                               
         



             
/**
 * \file
 * \author Egor Tensin <Egor.Tensin@gmail.com>
 * \date 2015
 * \copyright This file is licensed under the terms of the MIT License.
 *            See LICENSE.txt for details.
 */

#include <aesni/all.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

static void exit_with_usage()
{
    puts("Usage: aesni_encrypt_block_ofb128.exe KEY0 IV0 [PLAIN0...] [-- KEY1 IV1 [PLAIN1...]...]");
    exit(EXIT_FAILURE);
}

int main(int argc, char** argv)
{
    for (--argc, ++argv; argc > -1; --argc, ++argv)
    {
        AesNI_Block128 plain, key, cipher, iv;
        AesNI_KeySchedule128 key_schedule;

        if (argc < 2)
            exit_with_usage();

        if (aesni_parse_block128(&key, *argv) != 0)
        {
            fprintf(stderr, "Invalid 128-bit AES block '%s'\n", *argv);
            exit_with_usage();
        }

        if (aesni_parse_block128(&iv, argv[1]) != 0)
        {
            fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[1]);
            exit_with_usage();
        }

        aesni_expand_key_schedule128(key, &key_schedule);

        for (argc -= 2, argv += 2; argc > 0; --argc, ++argv)
        {
            if (strcmp("--", *argv) == 0)
                break;

            if (aesni_parse_block128(&plain, *argv) != 0)
            {
                fprintf(stderr, "Invalid 128-bit AES block '%s'\n", *argv);
                continue;
            }
            cipher = aesni_encrypt_block_ofb128(plain, &key_schedule, iv, &iv);
            aesni_print_block128(&cipher);
        }
    }

    return 0;
}