From 225ef13cc7f58b69ef4c4db6308a225c726359f7 Mon Sep 17 00:00:00 2001 From: Egor Tensin Date: Wed, 24 Jun 2015 05:59:11 +0300 Subject: move executables from test/ to utils/ --- utils/block/aes192cfb_decrypt_block.c | 75 +++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 utils/block/aes192cfb_decrypt_block.c (limited to 'utils/block/aes192cfb_decrypt_block.c') diff --git a/utils/block/aes192cfb_decrypt_block.c b/utils/block/aes192cfb_decrypt_block.c new file mode 100644 index 0000000..cedc7d0 --- /dev/null +++ b/utils/block/aes192cfb_decrypt_block.c @@ -0,0 +1,75 @@ +/** + * \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: aes192cfb_decrypt_block.exe KEY0 IV0 [CIPHERTEXT0...] [-- KEY1 IV1 [CIPHERTEXT1...]...]"); + exit(EXIT_FAILURE); +} + +static void print_error(AesNI_StatusCode status) +{ + fprintf(stderr, "AesNI error: %s\n", aesni_strerror(status)); +} + +int main(int argc, char** argv) +{ + AesNI_StatusCode status = AESNI_SUCCESS; + + for (--argc, ++argv; argc > -1; --argc, ++argv) + { + AesNI_Block128 plaintext, ciphertext, iv; + AesNI_Aes192_Key key; + AesNI_Aes192_RoundKeys encryption_keys; + + if (argc < 2) + exit_with_usage(); + + if (aesni_is_error(status = aesni_aes192_parse_key(&key, *argv, NULL))) + { + print_error(status); + exit_with_usage(); + } + + if (aesni_is_error(status = aesni_aes_parse_block(&iv, argv[1], NULL))) + { + print_error(status); + exit_with_usage(); + } + + aesni_aes192_expand_key(&key, &encryption_keys); + + for (argc -= 2, argv += 2; argc > 0; --argc, ++argv) + { + if (strcmp("--", *argv) == 0) + break; + + if (aesni_is_error(status = aesni_aes_parse_block(&ciphertext, *argv, NULL))) + { + print_error(status); + continue; + } + + plaintext = aesni_aes192_decrypt_block_cfb(ciphertext, &encryption_keys, iv, &iv); + + if (aesni_is_error(status = aesni_aes_print_block(&plaintext, NULL))) + { + print_error(status); + continue; + } + } + } + + return 0; +} -- cgit v1.2.3