From 5fe37073665f5b31dc3a89bbcb21a6e2587b09a4 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Wed, 10 Jun 2015 05:03:10 +0300
Subject: rename source files
---
src/buffer.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
src/file.c | 81 ------------------------------------------------------------
2 files changed, 81 insertions(+), 81 deletions(-)
create mode 100644 src/buffer.c
delete mode 100644 src/file.c
(limited to 'src')
diff --git a/src/buffer.c b/src/buffer.c
new file mode 100644
index 0000000..d8ff9c7
--- /dev/null
+++ b/src/buffer.c
@@ -0,0 +1,81 @@
+/**
+ * \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];
+}
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];
-}
--
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