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/*
* 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 <stdlib.h>
#include <string.h>
static AES_StatusCode aes_box_derive_params_aes128(
const AES_BoxKey* box_key,
AES_BoxEncryptionRoundKeys* encryption_keys,
AES_BoxDecryptionRoundKeys* decryption_keys,
AES_ErrorDetails* err_details)
{
AES_UNUSED_PARAMETER(err_details);
aes_AES128_expand_key_(
box_key->aes128_key.key,
&encryption_keys->aes128_encryption_keys);
aes_AES128_derive_decryption_keys_(
&encryption_keys->aes128_encryption_keys,
&decryption_keys->aes128_decryption_keys);
return AES_SUCCESS;
}
static AES_StatusCode aes_box_derive_params_aes192(
const AES_BoxKey* box_key,
AES_BoxEncryptionRoundKeys* encryption_keys,
AES_BoxDecryptionRoundKeys* decryption_keys,
AES_ErrorDetails* err_details)
{
AES_UNUSED_PARAMETER(err_details);
aes_AES192_expand_key_(
box_key->aes192_key.lo,
box_key->aes192_key.hi,
&encryption_keys->aes192_encryption_keys);
aes_AES192_derive_decryption_keys_(
&encryption_keys->aes192_encryption_keys,
&decryption_keys->aes192_decryption_keys);
return AES_SUCCESS;
}
static AES_StatusCode aes_box_derive_params_aes256(
const AES_BoxKey* box_key,
AES_BoxEncryptionRoundKeys* encryption_keys,
AES_BoxDecryptionRoundKeys* decryption_keys,
AES_ErrorDetails* err_details)
{
AES_UNUSED_PARAMETER(err_details);
aes_AES256_expand_key_(
box_key->aes256_key.lo,
box_key->aes256_key.hi,
&encryption_keys->aes256_encryption_keys);
aes_AES256_derive_decryption_keys_(
&encryption_keys->aes256_encryption_keys,
&decryption_keys->aes256_decryption_keys);
return AES_SUCCESS;
}
static AES_StatusCode aes_box_parse_block_aes(
AES_BoxBlock* dest,
const char* src,
AES_ErrorDetails* err_details)
{
if (dest == NULL)
return aes_error_null_argument(err_details, "dest");
return aes_AES_parse_block(&dest->aes_block, src, err_details);
}
static AES_StatusCode aes_box_parse_key_aes128(
AES_BoxKey* dest,
const char* src,
AES_ErrorDetails* err_details)
{
if (dest == NULL)
return aes_error_null_argument(err_details, "dest");
return aes_AES128_parse_key(&dest->aes128_key, src, err_details);
}
static AES_StatusCode aes_box_parse_key_aes192(
AES_BoxKey* dest,
const char* src,
AES_ErrorDetails* err_details)
{
if (dest == NULL)
return aes_error_null_argument(err_details, "dest");
return aes_AES192_parse_key(&dest->aes192_key, src, err_details);
}
static AES_StatusCode aes_box_parse_key_aes256(
AES_BoxKey* dest,
const char* src,
AES_ErrorDetails* err_details)
{
if (dest == NULL)
return aes_error_null_argument(err_details, "dest");
return aes_AES256_parse_key(&dest->aes256_key, src, err_details);
}
static AES_StatusCode aes_box_format_block_aes(
AES_BoxBlockString* dest,
const AES_BoxBlock* src,
AES_ErrorDetails* err_details)
{
if (dest == NULL)
return aes_error_null_argument(err_details, "dest");
if (src == NULL)
return aes_error_null_argument(err_details, "src");
return aes_AES128_format_block(&dest->aes, &src->aes_block, err_details);
}
static AES_StatusCode aes_box_format_key_aes128(
AES_BoxKeyString* dest,
const AES_BoxKey* src,
AES_ErrorDetails* err_details)
{
if (dest == NULL)
return aes_error_null_argument(err_details, "dest");
if (src == NULL)
return aes_error_null_argument(err_details, "src");
return aes_AES128_format_key(&dest->aes128, &src->aes128_key, err_details);
}
static AES_StatusCode aes_box_format_key_aes192(
AES_BoxKeyString* dest,
const AES_BoxKey* src,
AES_ErrorDetails* err_details)
{
if (dest == NULL)
return aes_error_null_argument(err_details, "dest");
if (src == NULL)
return aes_error_null_argument(err_details, "src");
return aes_AES192_format_key(&dest->aes192, &src->aes192_key, err_details);
}
static AES_StatusCode aes_box_format_key_aes256(
AES_BoxKeyString* dest,
const AES_BoxKey* src,
AES_ErrorDetails* err_details)
{
if (dest == NULL)
return aes_error_null_argument(err_details, "dest");
if (src == NULL)
return aes_error_null_argument(err_details, "src");
return aes_AES256_format_key(&dest->aes256, &src->aes256_key, err_details);
}
static AES_StatusCode aes_box_xor_block_aes(
AES_BoxBlock* dest,
const AES_BoxBlock* src,
AES_ErrorDetails* err_details)
{
AES_UNUSED_PARAMETER(err_details);
dest->aes_block = aes_AES_xor_blocks(dest->aes_block, src->aes_block);
return AES_SUCCESS;
}
static AES_StatusCode aes_box_inc_block_aes(
AES_BoxBlock* ctr,
AES_ErrorDetails* err_details)
{
AES_UNUSED_PARAMETER(err_details);
ctr->aes_block = aes_AES_inc_block(ctr->aes_block);
return AES_SUCCESS;
}
static AES_StatusCode aes_box_get_block_size_aes(
size_t* block_size,
AES_ErrorDetails* err_details)
{
AES_UNUSED_PARAMETER(err_details);
*block_size = 16;
return AES_SUCCESS;
}
static AES_StatusCode aes_box_store_block_aes(
void* dest,
const AES_BoxBlock* src,
AES_ErrorDetails* err_details)
{
AES_UNUSED_PARAMETER(err_details);
aes_store_block128(dest, src->aes_block);
return AES_SUCCESS;
}
static AES_StatusCode aes_box_load_block_aes(
AES_BoxBlock* dest,
const void* src,
AES_ErrorDetails* err_details)
{
AES_UNUSED_PARAMETER(err_details);
dest->aes_block = aes_load_block128(src);
return AES_SUCCESS;
}
static AES_StatusCode aes_box_encrypt_block_aes128(
const AES_BoxBlock* input,
const AES_BoxEncryptionRoundKeys* params,
AES_BoxBlock* output,
AES_ErrorDetails* err_details)
{
AES_UNUSED_PARAMETER(err_details);
output->aes_block = aes_AES128_encrypt_block_(
input->aes_block,
¶ms->aes128_encryption_keys);
return AES_SUCCESS;
}
static AES_StatusCode aes_box_decrypt_block_aes128(
const AES_BoxBlock* input,
const AES_BoxDecryptionRoundKeys* params,
AES_BoxBlock* output,
AES_ErrorDetails* err_details)
{
AES_UNUSED_PARAMETER(err_details);
output->aes_block = aes_AES128_decrypt_block_(
input->aes_block,
¶ms->aes128_decryption_keys);
return AES_SUCCESS;
}
static AES_StatusCode aes_box_encrypt_block_aes192(
const AES_BoxBlock* input,
const AES_BoxEncryptionRoundKeys* params,
AES_BoxBlock* output,
AES_ErrorDetails* err_details)
{
AES_UNUSED_PARAMETER(err_details);
output->aes_block = aes_AES192_encrypt_block_(
input->aes_block,
¶ms->aes192_encryption_keys);
return AES_SUCCESS;
}
static AES_StatusCode aes_box_decrypt_block_aes192(
const AES_BoxBlock* input,
const AES_BoxDecryptionRoundKeys* params,
AES_BoxBlock* output,
AES_ErrorDetails* err_details)
{
AES_UNUSED_PARAMETER(err_details);
output->aes_block = aes_AES192_decrypt_block_(
input->aes_block,
¶ms->aes192_decryption_keys);
return AES_SUCCESS;
}
static AES_StatusCode aes_box_encrypt_block_aes256(
const AES_BoxBlock* input,
const AES_BoxEncryptionRoundKeys* params,
AES_BoxBlock* output,
AES_ErrorDetails* err_details)
{
AES_UNUSED_PARAMETER(err_details);
output->aes_block = aes_AES256_encrypt_block_(
input->aes_block,
¶ms->aes256_encryption_keys);
return AES_SUCCESS;
}
static AES_StatusCode aes_box_decrypt_block_aes256(
const AES_BoxBlock* input,
const AES_BoxDecryptionRoundKeys* params,
AES_BoxBlock* output,
AES_ErrorDetails* err_details)
{
AES_UNUSED_PARAMETER(err_details);
output->aes_block = aes_AES256_decrypt_block_(
input->aes_block,
¶ms->aes256_decryption_keys);
return AES_SUCCESS;
}
AES_BoxAlgorithmInterface aes_box_algorithm_aes128 =
{
&aes_box_derive_params_aes128,
&aes_box_parse_block_aes,
&aes_box_parse_key_aes128,
&aes_box_format_block_aes,
&aes_box_format_key_aes128,
&aes_box_encrypt_block_aes128,
&aes_box_decrypt_block_aes128,
&aes_box_xor_block_aes,
&aes_box_inc_block_aes,
&aes_box_get_block_size_aes,
&aes_box_store_block_aes,
&aes_box_load_block_aes,
};
AES_BoxAlgorithmInterface aes_box_algorithm_aes192 =
{
&aes_box_derive_params_aes192,
&aes_box_parse_block_aes,
&aes_box_parse_key_aes192,
&aes_box_format_block_aes,
&aes_box_format_key_aes192,
&aes_box_encrypt_block_aes192,
&aes_box_decrypt_block_aes192,
&aes_box_xor_block_aes,
&aes_box_inc_block_aes,
&aes_box_get_block_size_aes,
&aes_box_store_block_aes,
&aes_box_load_block_aes,
};
AES_BoxAlgorithmInterface aes_box_algorithm_aes256 =
{
&aes_box_derive_params_aes256,
&aes_box_parse_block_aes,
&aes_box_parse_key_aes256,
&aes_box_format_block_aes,
&aes_box_format_key_aes256,
&aes_box_encrypt_block_aes256,
&aes_box_decrypt_block_aes256,
&aes_box_xor_block_aes,
&aes_box_inc_block_aes,
&aes_box_get_block_size_aes,
&aes_box_store_block_aes,
&aes_box_load_block_aes,
};
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