From aa9de746fd6f30fb283018bb6afd32013a667ffd Mon Sep 17 00:00:00 2001 From: Egor Tensin Date: Wed, 10 Jun 2015 04:34:28 +0300 Subject: test: rename the utilities --- test/aes128ofb_decrypt_block.c | 61 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 test/aes128ofb_decrypt_block.c (limited to 'test/aes128ofb_decrypt_block.c') diff --git a/test/aes128ofb_decrypt_block.c b/test/aes128ofb_decrypt_block.c new file mode 100644 index 0000000..edcbe77 --- /dev/null +++ b/test/aes128ofb_decrypt_block.c @@ -0,0 +1,61 @@ +/** + * \file + * \author Egor Tensin + * \date 2015 + * \copyright This file is licensed under the terms of the MIT License. + * See LICENSE.txt for details. + */ + +#include + +#include +#include +#include + +static void exit_with_usage() +{ + puts("Usage: aes128ofb_decrypt_block.exe KEY0 IV0 [CIPHER0...] [-- KEY1 IV1 [CIPHER1...]...]"); + exit(EXIT_FAILURE); +} + +int main(int argc, char** argv) +{ + for (--argc, ++argv; argc > -1; --argc, ++argv) + { + AesBlock128 plain, key, cipher, iv; + Aes128KeySchedule key_schedule; + + if (argc < 2) + exit_with_usage(); + + if (parse_aes_block128(&key, *argv) != 0) + { + fprintf(stderr, "Invalid 128-bit AES block '%s'\n", *argv); + exit_with_usage(); + } + + if (parse_aes_block128(&iv, argv[1]) != 0) + { + fprintf(stderr, "Invalid 128-bit AES block '%s'\n", argv[1]); + exit_with_usage(); + } + + aes128_expand_key_schedule(key, &key_schedule); + + for (argc -= 2, argv += 2; argc > 0; --argc, ++argv) + { + if (strcmp("--", *argv) == 0) + break; + + if (parse_aes_block128(&cipher, *argv) != 0) + { + fprintf(stderr, "Invalid 128-bit AES block '%s'\n", *argv); + continue; + } + plain = aes128ofb_decrypt_block(cipher, &key_schedule, iv, &iv); + print_aes_block128(&plain); + } + } + + return 0; +} -- cgit v1.2.3