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authorEgor Tensin <Egor.Tensin@gmail.com>2015-06-10 05:03:10 +0300
committerEgor Tensin <Egor.Tensin@gmail.com>2015-06-10 05:03:10 +0300
commit5fe37073665f5b31dc3a89bbcb21a6e2587b09a4 (patch)
tree16b763d4b08e7d8bce892ea5bec02718e8bca551 /src/file.c
parentutils: fix compilation errors w/ the asm impl (diff)
downloadaes-tools-5fe37073665f5b31dc3a89bbcb21a6e2587b09a4.tar.gz
aes-tools-5fe37073665f5b31dc3a89bbcb21a6e2587b09a4.zip
rename source files
Diffstat (limited to 'src/file.c')
-rw-r--r--src/file.c81
1 files changed, 0 insertions, 81 deletions
diff --git a/src/file.c b/src/file.c
deleted file mode 100644
index d8ff9c7..0000000
--- a/src/file.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/**
- * \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 <stdlib.h>
-#include <string.h>
-
-size_t aes128ecb_encrypt_buffer(
- const unsigned char* src,
- size_t src_size,
- unsigned char* dest,
- Aes128KeySchedule* key_schedule)
-{
- size_t rem_size = src_size % 16;
- size_t padding_size = 16 - rem_size;
- size_t dest_size = src_size + padding_size;
-
- if (dest == NULL)
- return dest_size;
-
- size_t src_len = src_size / 16;
-
- for (size_t i = 0; i < src_len; ++i, src += 16, dest += 16)
- {
- AesBlock128 plaintext = load_aes_block128(src);
- AesBlock128 ciphertext = aes128ecb_encrypt_block(plaintext, key_schedule);
- store_aes_block128(ciphertext, dest);
- }
-
- unsigned char padding[16] = { 0x10 };
-
- if (rem_size != 0)
- {
- memcpy(padding, src, rem_size);
- memset(padding + rem_size, padding_size, padding_size);
- }
-
- AesBlock128 plaintext = load_aes_block128(padding);
- AesBlock128 ciphertext = aes128ecb_encrypt_block(plaintext, key_schedule);
- store_aes_block128(ciphertext, dest);
-
- return dest_size;
-}
-
-size_t aes128ecb_decrypt_buffer(
- const unsigned char* src,
- size_t src_size,
- unsigned char* dest,
- Aes128KeySchedule* inverted_schedule)
-{
- size_t dest_size = src_size;
-
- if (dest == NULL)
- return dest_size;
-
- size_t src_len = src_size / 16;
-
- for (size_t i = 0; i < src_len - 1; ++i, src += 16, dest += 16)
- {
- AesBlock128 ciphertext = load_aes_block128(src);
- AesBlock128 plaintext = aes128ecb_decrypt_block(ciphertext, inverted_schedule);
- store_aes_block128(plaintext, dest);
- }
-
- AesBlock128 ciphertext = load_aes_block128(src);
- AesBlock128 plaintext = aes128ecb_decrypt_block(ciphertext, inverted_schedule);
- unsigned char padding[16];
- store_aes_block128(plaintext, padding);
-
- if (padding[0] == 0x10)
- return dest_size - 16;
-
- memcpy(dest, padding, 16 - padding[15]);
- return dest_size - padding[15];
-}