aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/src/aes.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/aes.c')
-rw-r--r--src/aes.c384
1 files changed, 0 insertions, 384 deletions
diff --git a/src/aes.c b/src/aes.c
deleted file mode 100644
index 1f7da13..0000000
--- a/src/aes.c
+++ /dev/null
@@ -1,384 +0,0 @@
-/*
- * Copyright (c) 2015 Egor Tensin <Egor.Tensin@gmail.com>
- * This file is part of the "AES tools" project.
- * For details, see https://github.com/egor-tensin/aes-tools.
- * Distributed under the MIT License.
- */
-
-#include <aes/all.h>
-
-#include <assert.h>
-#include <stdio.h>
-#include <string.h>
-
-AES_StatusCode aes_AES_format_block(
- AES_AES_BlockString* str,
- const AES_AES_Block* block,
- AES_ErrorDetails* err_details)
-{
- assert(str);
- assert(block);
-
- if (str == NULL)
- return aes_error_null_argument(err_details, "str");
- if (block == NULL)
- return aes_error_null_argument(err_details, "block");
-
- char* cursor = str->str;
-
- AES_ALIGN(unsigned char, 16) bytes[16];
- aes_store_block128_aligned(bytes, *block);
-
- for (int i = 0; i < 16; ++i, cursor += 2)
- sprintf(cursor, "%02x", bytes[i]);
-
- *cursor = '\0';
- return AES_SUCCESS;
-}
-
-AES_StatusCode aes_AES_format_block_as_matrix(
- AES_AES_BlockMatrixString* str,
- const AES_AES_Block* block,
- AES_ErrorDetails* err_details)
-{
- assert(str);
- assert(block);
-
- if (str == NULL)
- return aes_error_null_argument(err_details, "str");
- if (block == NULL)
- return aes_error_null_argument(err_details, "block");
-
- char* cursor = str->str;
-
- AES_ALIGN(unsigned char, 16) bytes[4][4];
- aes_store_block128_aligned(bytes, *block);
-
- for (int i = 0; i < 4; ++i, cursor += 3)
- {
- for (int j = 0; j < 3; ++j, cursor += 3)
- sprintf(cursor, "%02x ", bytes[j][i]);
- sprintf(cursor, "%02x\n", bytes[3][i]);
- }
-
- *cursor = '\0';
- return AES_SUCCESS;
-}
-
-AES_StatusCode aes_AES_print_block(
- const AES_AES_Block* block,
- AES_ErrorDetails* err_details)
-{
- assert(block);
-
- if (block == NULL)
- return aes_error_null_argument(err_details, "block");
-
- AES_StatusCode ec = AES_SUCCESS;
- AES_AES_BlockString str;
-
- if (aes_is_error(ec = aes_AES_format_block(&str, block, err_details)))
- return ec;
-
- printf("%s\n", str.str);
- return ec;
-}
-
-AES_StatusCode aes_AES_print_block_as_matrix(
- const AES_AES_Block* block,
- AES_ErrorDetails* err_details)
-{
- assert(block);
-
- if (block == NULL)
- return aes_error_null_argument(err_details, "block");
-
- AES_StatusCode ec = AES_SUCCESS;
- AES_AES_BlockMatrixString str;
-
- if (aes_is_error(ec = aes_AES_format_block_as_matrix(&str, block, err_details)))
- return ec;
-
- printf("%s", str.str);
- return ec;
-}
-
-AES_StatusCode aes_AES_parse_block(
- AES_AES_Block* dest,
- const char* src,
- AES_ErrorDetails* err_details)
-{
- assert(dest);
- assert(src);
-
- if (dest == NULL)
- return aes_error_null_argument(err_details, "dest");
- if (src == NULL)
- return aes_error_null_argument(err_details, "src");
-
- const char* cursor = src;
-
- AES_ALIGN(unsigned char, 16) bytes[16];
-
- for (int i = 0; i < 16; ++i)
- {
- int n;
- unsigned int byte;
- if (sscanf(cursor, "%2x%n", &byte, &n) != 1)
- return aes_error_parse(err_details, src, "a 128-bit block");
- bytes[i] = (unsigned char) byte;
- cursor += n;
- }
-
- *dest = aes_load_block128_aligned(bytes);
- return AES_SUCCESS;
-}
-
-AES_StatusCode aes_AES128_format_key(
- AES_AES128_KeyString* str,
- const AES_AES128_Key* key,
- AES_ErrorDetails* err_details)
-{
- assert(str);
- assert(key);
-
- if (str == NULL)
- return aes_error_null_argument(err_details, "str");
- if (key == NULL)
- return aes_error_null_argument(err_details, "key");
-
- char* cursor = str->str;
-
- AES_ALIGN(unsigned char, 16) bytes[16];
- aes_store_block128_aligned(bytes, key->key);
-
- for (int i = 0; i < 16; ++i, cursor += 2)
- sprintf(cursor, "%02x", bytes[i]);
-
- *cursor = '\0';
- return AES_SUCCESS;
-}
-
-AES_StatusCode aes_AES192_format_key(
- AES_AES192_KeyString* str,
- const AES_AES192_Key* key,
- AES_ErrorDetails* err_details)
-{
- assert(str);
- assert(key);
-
- if (str == NULL)
- return aes_error_null_argument(err_details, "str");
- if (key == NULL)
- return aes_error_null_argument(err_details, "key");
-
- char* cursor = str->str;
-
- {
- AES_ALIGN(unsigned char, 16) bytes[16];
- aes_store_block128_aligned(bytes, key->lo);
-
- for (int i = 0; i < 16; ++i, cursor += 2)
- sprintf(cursor, "%02x", bytes[i]);
- }
-
- {
- AES_ALIGN(unsigned char, 16) bytes[16];
- aes_store_block128_aligned(bytes, key->hi);
-
- for (int i = 0; i < 8; ++i, cursor += 2)
- sprintf(cursor, "%02x", bytes[i]);
- }
-
- *cursor = '\0';
- return AES_SUCCESS;
-}
-
-AES_StatusCode aes_AES256_format_key(
- AES_AES256_KeyString* str,
- const AES_AES256_Key* key,
- AES_ErrorDetails* err_details)
-{
- assert(str);
- assert(key);
-
- if (str == NULL)
- return aes_error_null_argument(err_details, "str");
- if (key == NULL)
- return aes_error_null_argument(err_details, "key");
-
- char* cursor = str->str;
-
- {
- AES_ALIGN(unsigned char, 16) bytes[16];
- aes_store_block128_aligned(bytes, key->lo);
-
- for (int i = 0; i < 16; ++i, cursor += 2)
- sprintf(cursor, "%02x", bytes[i]);
- }
-
- {
- AES_ALIGN(unsigned char, 16) bytes[16];
- aes_store_block128_aligned(bytes, key->hi);
-
- for (int i = 0; i < 16; ++i, cursor += 2)
- sprintf(cursor, "%02x", bytes[i]);
- }
-
- *cursor = '\0';
- return AES_SUCCESS;
-}
-
-AES_StatusCode aes_AES128_print_key(
- const AES_AES128_Key* key,
- AES_ErrorDetails* err_details)
-{
- return aes_AES_print_block(&key->key, err_details);
-}
-
-AES_StatusCode aes_AES192_print_key(
- const AES_AES192_Key* key,
- AES_ErrorDetails* err_details)
-{
- assert(key);
-
- if (key == NULL)
- return aes_error_null_argument(err_details, "key");
-
- AES_StatusCode ec = AES_SUCCESS;
- AES_AES192_KeyString str;
-
- if (aes_is_error(ec = aes_AES192_format_key(&str, key, err_details)))
- return ec;
-
- printf("%s\n", str.str);
- return ec;
-}
-
-AES_StatusCode aes_AES256_print_key(
- const AES_AES256_Key* key,
- AES_ErrorDetails* err_details)
-{
- assert(key);
-
- if (key == NULL)
- return aes_error_null_argument(err_details, "key");
-
- AES_StatusCode ec = AES_SUCCESS;
- AES_AES256_KeyString str;
-
- if (aes_is_error(ec = aes_AES256_format_key(&str, key, err_details)))
- return ec;
-
- printf("%s\n", str.str);
- return ec;
-}
-
-AES_StatusCode aes_AES128_parse_key(
- AES_AES128_Key* dest,
- const char* src,
- AES_ErrorDetails* err_details)
-{
- return aes_AES_parse_block(&dest->key, src, err_details);
-}
-
-AES_StatusCode aes_AES192_parse_key(
- AES_AES192_Key* dest,
- const char* src,
- AES_ErrorDetails* err_details)
-{
- assert(dest);
- assert(src);
-
- if (dest == NULL)
- return aes_error_null_argument(err_details, "dest");
- if (src == NULL)
- return aes_error_null_argument(err_details, "src");
-
- const char* cursor = src;
-
- {
- AES_ALIGN(unsigned char, 16) bytes[16];
-
- for (int i = 0; i < 16; ++i)
- {
- int n;
- unsigned int byte;
- if (sscanf(cursor, "%2x%n", &byte, &n) != 1)
- return aes_error_parse(err_details, src, "a 192-bit block");
- bytes[i] = (unsigned char) byte;
- cursor += n;
- }
-
- dest->lo = aes_load_block128_aligned(bytes);
- }
-
- {
- AES_ALIGN(unsigned char, 16) bytes[16];
-
- for (int i = 0; i < 8; ++i)
- {
- int n;
- unsigned int byte;
- if (sscanf(cursor, "%2x%n", &byte, &n) != 1)
- return aes_error_parse(err_details, src, "a 192-bit block");
- bytes[i] = (unsigned char) byte;
- cursor += n;
- }
-
- memset(bytes + 8, 0x00, 8);
- dest->hi = aes_load_block128_aligned(bytes);
- }
-
- return AES_SUCCESS;
-}
-
-AES_StatusCode aes_AES256_parse_key(
- AES_AES256_Key* dest,
- const char* src,
- AES_ErrorDetails* err_details)
-{
- assert(dest);
- assert(src);
-
- if (dest == NULL)
- return aes_error_null_argument(err_details, "dest");
- if (src == NULL)
- return aes_error_null_argument(err_details, "src");
-
- const char* cursor = src;
-
- {
- AES_ALIGN(unsigned char, 16) bytes[16];
-
- for (int i = 0; i < 16; ++i)
- {
- int n;
- unsigned int byte;
- if (sscanf(cursor, "%2x%n", &byte, &n) != 1)
- return aes_error_parse(err_details, src, "a 256-bit block");
- bytes[i] = (unsigned char) byte;
- cursor += n;
- }
-
- dest->lo = aes_load_block128_aligned(bytes);
- }
-
- {
- AES_ALIGN(unsigned char, 16) bytes[16];
-
- for (int i = 0; i < 16; ++i)
- {
- int n;
- unsigned int byte;
- if (sscanf(cursor, "%2x%n", &byte, &n) != 1)
- return aes_error_parse(err_details, src, "a 256-bit block");
- bytes[i] = (unsigned char) byte;
- cursor += n;
- }
-
- dest->hi = aes_load_block128_aligned(bytes);
- }
-
- return AES_SUCCESS;
-}