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authorEgor Tensin <Egor.Tensin@gmail.com>2015-06-19 05:36:34 +0300
committerEgor Tensin <Egor.Tensin@gmail.com>2015-06-19 05:36:34 +0300
commita386820259790f08073bc84bb868c9907558bb84 (patch)
treebc46ca07ef0d0a3671f8d0ecc1a45295881ec289
parenterror message update (diff)
downloadaes-tools-a386820259790f08073bc84bb868c9907558bb84.tar.gz
aes-tools-a386820259790f08073bc84bb868c9907558bb84.zip
refactoring
-rw-r--r--include/aesni/box.h4
-rw-r--r--include/aesni/box_aes.h6
-rw-r--r--include/aesni/box_data.h21
-rw-r--r--src/box.c94
-rw-r--r--src/box_aes.c51
-rw-r--r--test/decrypt_block_aes.cpp2
-rw-r--r--test/encrypt_block_aes.cpp2
7 files changed, 100 insertions, 80 deletions
diff --git a/include/aesni/box.h b/include/aesni/box.h
index bc270ee..3dfbc9e 100644
--- a/include/aesni/box.h
+++ b/include/aesni/box.h
@@ -24,13 +24,13 @@ AesNI_StatusCode aesni_box_init(
const AesNI_BoxBlock* iv,
AesNI_ErrorDetails* err_details);
-AesNI_StatusCode aesni_box_encrypt(
+AesNI_StatusCode aesni_box_encrypt_block(
AesNI_Box* box,
const AesNI_BoxBlock* plaintext,
AesNI_BoxBlock* ciphertext,
AesNI_ErrorDetails* err_details);
-AesNI_StatusCode aesni_box_decrypt(
+AesNI_StatusCode aesni_box_decrypt_block(
AesNI_Box* box,
const AesNI_BoxBlock* ciphertext,
AesNI_BoxBlock* plaintext,
diff --git a/include/aesni/box_aes.h b/include/aesni/box_aes.h
index 62259a2..3d7faec 100644
--- a/include/aesni/box_aes.h
+++ b/include/aesni/box_aes.h
@@ -15,9 +15,9 @@ extern "C"
{
#endif
-extern AesNI_BoxAlgorithmInterface aesni_box_aes128_iface;
-extern AesNI_BoxAlgorithmInterface aesni_box_aes192_iface;
-extern AesNI_BoxAlgorithmInterface aesni_box_aes256_iface;
+extern AesNI_BoxAlgorithmInterface aesni_box_algorithm_aes128;
+extern AesNI_BoxAlgorithmInterface aesni_box_algorithm_aes192;
+extern AesNI_BoxAlgorithmInterface aesni_box_algorithm_aes256;
#ifdef __cplusplus
}
diff --git a/include/aesni/box_data.h b/include/aesni/box_data.h
index ecd98a9..327c9bc 100644
--- a/include/aesni/box_data.h
+++ b/include/aesni/box_data.h
@@ -11,6 +11,8 @@
#include "aes.h"
#include "error.h"
+#include <stdlib.h>
+
#ifdef __cplusplus
extern "C"
{
@@ -70,13 +72,13 @@ typedef AesNI_StatusCode (*AesNI_BoxDeriveParams)(
AesNI_BoxDecryptionParams*,
AesNI_ErrorDetails* err_details);
-typedef AesNI_StatusCode (*AesNI_BoxEncrypt)(
+typedef AesNI_StatusCode (*AesNI_BoxEncryptBlock)(
const AesNI_BoxBlock* plaintext,
const AesNI_BoxEncryptionParams* params,
AesNI_BoxBlock* ciphertext,
AesNI_ErrorDetails* err_details);
-typedef AesNI_StatusCode (*AesNI_BoxDecrypt)(
+typedef AesNI_StatusCode (*AesNI_BoxDecryptBlock)(
const AesNI_BoxBlock* ciphertext,
const AesNI_BoxDecryptionParams* params,
AesNI_BoxBlock* plaintext,
@@ -87,23 +89,28 @@ typedef AesNI_StatusCode (*AesNI_BoxXorBlock)(
const AesNI_BoxBlock*,
AesNI_ErrorDetails*);
-typedef AesNI_StatusCode (*AesNI_BoxIncCounter)(
+typedef AesNI_StatusCode (*AesNI_BoxNextCounter)(
AesNI_BoxBlock*,
AesNI_ErrorDetails*);
+typedef AesNI_StatusCode (*AesNI_BoxGetBlockSize)(
+ size_t*,
+ AesNI_ErrorDetails*);
+
typedef struct
{
AesNI_BoxDeriveParams derive_params;
- AesNI_BoxEncrypt encrypt;
- AesNI_BoxDecrypt decrypt;
+ AesNI_BoxEncryptBlock encrypt_block;
+ AesNI_BoxDecryptBlock decrypt_block;
AesNI_BoxXorBlock xor_block;
- AesNI_BoxIncCounter inc_counter;
+ AesNI_BoxNextCounter next_counter;
+ AesNI_BoxGetBlockSize get_block_size;
}
AesNI_BoxAlgorithmInterface;
typedef struct
{
- const AesNI_BoxAlgorithmInterface* algorithm_iface;
+ const AesNI_BoxAlgorithmInterface* algorithm;
AesNI_BoxEncryptionParams encrypt_params;
AesNI_BoxDecryptionParams decrypt_params;
AesNI_BoxMode mode;
diff --git a/src/box.c b/src/box.c
index d10e963..6d0f5d2 100644
--- a/src/box.c
+++ b/src/box.c
@@ -8,11 +8,11 @@
#include <aesni/all.h>
-static const AesNI_BoxAlgorithmInterface* aesni_box_algorithm_ifaces[] =
+static const AesNI_BoxAlgorithmInterface* aesni_box_algorithms[] =
{
- &aesni_box_aes128_iface,
- &aesni_box_aes192_iface,
- &aesni_box_aes256_iface,
+ &aesni_box_algorithm_aes128,
+ &aesni_box_algorithm_aes192,
+ &aesni_box_algorithm_aes256,
};
AesNI_StatusCode aesni_box_init(
@@ -25,8 +25,8 @@ AesNI_StatusCode aesni_box_init(
{
AesNI_StatusCode status = AESNI_SUCCESS;
- box->algorithm_iface = aesni_box_algorithm_ifaces[algorithm];
- if (aesni_is_error(status = box->algorithm_iface->derive_params(
+ box->algorithm = aesni_box_algorithms[algorithm];
+ if (aesni_is_error(status = box->algorithm->derive_params(
algorithm_params,
&box->encrypt_params,
&box->decrypt_params,
@@ -40,20 +40,20 @@ AesNI_StatusCode aesni_box_init(
return status;
}
-static AesNI_StatusCode aesni_box_encrypt_ecb(
+static AesNI_StatusCode aesni_box_encrypt_block_ecb(
AesNI_Box* box,
const AesNI_BoxBlock* input,
AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- return box->algorithm_iface->encrypt(
+ return box->algorithm->encrypt_block(
input,
&box->encrypt_params,
output,
err_details);
}
-static AesNI_StatusCode aesni_box_encrypt_cbc(
+static AesNI_StatusCode aesni_box_encrypt_block_cbc(
AesNI_Box* box,
const AesNI_BoxBlock* input,
AesNI_BoxBlock* output,
@@ -62,14 +62,14 @@ static AesNI_StatusCode aesni_box_encrypt_cbc(
AesNI_StatusCode status = AESNI_SUCCESS;
AesNI_BoxBlock xored_input = *input;
- status = box->algorithm_iface->xor_block(
+ status = box->algorithm->xor_block(
&xored_input,
&box->iv,
err_details);
if (aesni_is_error(status))
return status;
- status = box->algorithm_iface->encrypt(
+ status = box->algorithm->encrypt_block(
&xored_input,
&box->encrypt_params,
output,
@@ -81,13 +81,13 @@ static AesNI_StatusCode aesni_box_encrypt_cbc(
return status;
}
-static AesNI_StatusCode aesni_box_encrypt_cfb(
+static AesNI_StatusCode aesni_box_encrypt_block_cfb(
AesNI_Box* box,
const AesNI_BoxBlock* input,
AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = box->algorithm_iface->encrypt(
+ AesNI_StatusCode status = box->algorithm->encrypt_block(
&box->iv,
&box->encrypt_params,
output,
@@ -95,7 +95,7 @@ static AesNI_StatusCode aesni_box_encrypt_cfb(
if (aesni_is_error(status))
return status;
- status = box->algorithm_iface->xor_block(output, input, err_details);
+ status = box->algorithm->xor_block(output, input, err_details);
if (aesni_is_error(status))
return status;
@@ -103,13 +103,13 @@ static AesNI_StatusCode aesni_box_encrypt_cfb(
return status;
}
-static AesNI_StatusCode aesni_box_encrypt_ofb(
+static AesNI_StatusCode aesni_box_encrypt_block_ofb(
AesNI_Box* box,
const AesNI_BoxBlock* input,
AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = box->algorithm_iface->encrypt(
+ AesNI_StatusCode status = box->algorithm->encrypt_block(
&box->iv,
&box->encrypt_params,
&box->iv,
@@ -119,20 +119,20 @@ static AesNI_StatusCode aesni_box_encrypt_ofb(
*output = box->iv;
- status = box->algorithm_iface->xor_block(output, input, err_details);
+ status = box->algorithm->xor_block(output, input, err_details);
if (aesni_is_error(status))
return status;
return status;
}
-static AesNI_StatusCode aesni_box_encrypt_ctr(
+static AesNI_StatusCode aesni_box_encrypt_block_ctr(
AesNI_Box* box,
const AesNI_BoxBlock* input,
AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = box->algorithm_iface->encrypt(
+ AesNI_StatusCode status = box->algorithm->encrypt_block(
&box->iv,
&box->encrypt_params,
output,
@@ -140,57 +140,57 @@ static AesNI_StatusCode aesni_box_encrypt_ctr(
if (aesni_is_error(status))
return status;
- status = box->algorithm_iface->xor_block(output, input, err_details);
+ status = box->algorithm->xor_block(output, input, err_details);
if (aesni_is_error(status))
return status;
- return box->algorithm_iface->inc_counter(&box->iv, err_details);
+ return box->algorithm->next_counter(&box->iv, err_details);
}
-typedef AesNI_StatusCode (*AesNI_BoxEncryptMode)(
+typedef AesNI_StatusCode (*AesNI_BoxEncryptBlockInMode)(
AesNI_Box*,
const AesNI_BoxBlock*,
AesNI_BoxBlock*,
AesNI_ErrorDetails*);
-static AesNI_BoxEncryptMode aesni_box_encrypt_mode[] =
+static AesNI_BoxEncryptBlockInMode aesni_box_encrypt_block_in_mode[] =
{
- &aesni_box_encrypt_ecb,
- &aesni_box_encrypt_cbc,
- &aesni_box_encrypt_cfb,
- &aesni_box_encrypt_ofb,
- &aesni_box_encrypt_ctr,
+ &aesni_box_encrypt_block_ecb,
+ &aesni_box_encrypt_block_cbc,
+ &aesni_box_encrypt_block_cfb,
+ &aesni_box_encrypt_block_ofb,
+ &aesni_box_encrypt_block_ctr,
};
-AesNI_StatusCode aesni_box_encrypt(
+AesNI_StatusCode aesni_box_encrypt_block(
AesNI_Box* box,
const AesNI_BoxBlock* input,
AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- return aesni_box_encrypt_mode[box->mode](box, input, output, err_details);
+ return aesni_box_encrypt_block_in_mode[box->mode](box, input, output, err_details);
}
-static AesNI_StatusCode aesni_box_decrypt_ecb(
+static AesNI_StatusCode aesni_box_decrypt_block_ecb(
AesNI_Box* box,
const AesNI_BoxBlock* input,
AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- return box->algorithm_iface->decrypt(
+ return box->algorithm->decrypt_block(
input,
&box->decrypt_params,
output,
err_details);
}
-static AesNI_StatusCode aesni_box_decrypt_cbc(
+static AesNI_StatusCode aesni_box_decrypt_block_cbc(
AesNI_Box* box,
const AesNI_BoxBlock* input,
AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = box->algorithm_iface->decrypt(
+ AesNI_StatusCode status = box->algorithm->decrypt_block(
input,
&box->decrypt_params,
output,
@@ -198,7 +198,7 @@ static AesNI_StatusCode aesni_box_decrypt_cbc(
if (aesni_is_error(status))
return status;
- status = box->algorithm_iface->xor_block(
+ status = box->algorithm->xor_block(
output,
&box->iv,
err_details);
@@ -209,13 +209,13 @@ static AesNI_StatusCode aesni_box_decrypt_cbc(
return status;
}
-static AesNI_StatusCode aesni_box_decrypt_cfb(
+static AesNI_StatusCode aesni_box_decrypt_block_cfb(
AesNI_Box* box,
const AesNI_BoxBlock* input,
AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = box->algorithm_iface->encrypt(
+ AesNI_StatusCode status = box->algorithm->encrypt_block(
&box->iv,
&box->encrypt_params,
output,
@@ -223,7 +223,7 @@ static AesNI_StatusCode aesni_box_decrypt_cfb(
if (aesni_is_error(status))
return status;
- status = box->algorithm_iface->xor_block(
+ status = box->algorithm->xor_block(
output,
input,
err_details);
@@ -234,22 +234,22 @@ static AesNI_StatusCode aesni_box_decrypt_cfb(
return status;
}
-typedef AesNI_BoxEncryptMode AesNI_BoxDecryptMode;
+typedef AesNI_BoxEncryptBlockInMode AesNI_BoxDecryptBlockInMode;
-static AesNI_BoxDecryptMode aesni_box_decrypt_mode[] =
+static AesNI_BoxDecryptBlockInMode aesni_box_decrypt_block_in_mode[] =
{
- &aesni_box_decrypt_ecb,
- &aesni_box_decrypt_cbc,
- &aesni_box_decrypt_cfb,
- &aesni_box_encrypt_ofb,
- &aesni_box_encrypt_ctr,
+ &aesni_box_decrypt_block_ecb,
+ &aesni_box_decrypt_block_cbc,
+ &aesni_box_decrypt_block_cfb,
+ &aesni_box_encrypt_block_ofb,
+ &aesni_box_encrypt_block_ctr,
};
-AesNI_StatusCode aesni_box_decrypt(
+AesNI_StatusCode aesni_box_decrypt_block(
AesNI_Box* box,
const AesNI_BoxBlock* input,
AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- return aesni_box_decrypt_mode[box->mode](box, input, output, err_details);
+ return aesni_box_decrypt_block_in_mode[box->mode](box, input, output, err_details);
}
diff --git a/src/box_aes.c b/src/box_aes.c
index aa2aa21..12f369d 100644
--- a/src/box_aes.c
+++ b/src/box_aes.c
@@ -8,6 +8,8 @@
#include <aesni/all.h>
+#include <stdlib.h>
+
static AesNI_StatusCode aesni_box_derive_params_aes128(
const AesNI_BoxAlgorithmParams* algorithm_params,
AesNI_BoxEncryptionParams* encrypt_params,
@@ -64,7 +66,7 @@ static AesNI_StatusCode aesni_box_xor_block_aes(
return AESNI_SUCCESS;
}
-static AesNI_StatusCode aesni_box_inc_counter_aes(
+static AesNI_StatusCode aesni_box_next_counter_aes(
AesNI_BoxBlock* ctr,
AesNI_ErrorDetails* err_details)
{
@@ -72,7 +74,15 @@ static AesNI_StatusCode aesni_box_inc_counter_aes(
return AESNI_SUCCESS;
}
-static AesNI_StatusCode aesni_box_encrypt_aes128(
+static AesNI_StatusCode aesni_box_get_block_size_aes(
+ size_t* block_size,
+ AesNI_ErrorDetails* err_details)
+{
+ *block_size = 16;
+ return AESNI_SUCCESS;
+}
+
+static AesNI_StatusCode aesni_box_encrypt_block_aes128(
const AesNI_BoxBlock* input,
const AesNI_BoxEncryptionParams* params,
AesNI_BoxBlock* output,
@@ -84,7 +94,7 @@ static AesNI_StatusCode aesni_box_encrypt_aes128(
return AESNI_SUCCESS;
}
-static AesNI_StatusCode aesni_box_decrypt_aes128(
+static AesNI_StatusCode aesni_box_decrypt_block_aes128(
const AesNI_BoxBlock* input,
const AesNI_BoxDecryptionParams* params,
AesNI_BoxBlock* output,
@@ -96,7 +106,7 @@ static AesNI_StatusCode aesni_box_decrypt_aes128(
return AESNI_SUCCESS;
}
-static AesNI_StatusCode aesni_box_encrypt_aes192(
+static AesNI_StatusCode aesni_box_encrypt_block_aes192(
const AesNI_BoxBlock* input,
const AesNI_BoxEncryptionParams* params,
AesNI_BoxBlock* output,
@@ -108,7 +118,7 @@ static AesNI_StatusCode aesni_box_encrypt_aes192(
return AESNI_SUCCESS;
}
-static AesNI_StatusCode aesni_box_decrypt_aes192(
+static AesNI_StatusCode aesni_box_decrypt_block_aes192(
const AesNI_BoxBlock* input,
const AesNI_BoxDecryptionParams* params,
AesNI_BoxBlock* output,
@@ -120,7 +130,7 @@ static AesNI_StatusCode aesni_box_decrypt_aes192(
return AESNI_SUCCESS;
}
-static AesNI_StatusCode aesni_box_encrypt_aes256(
+static AesNI_StatusCode aesni_box_encrypt_block_aes256(
const AesNI_BoxBlock* input,
const AesNI_BoxEncryptionParams* params,
AesNI_BoxBlock* output,
@@ -132,7 +142,7 @@ static AesNI_StatusCode aesni_box_encrypt_aes256(
return AESNI_SUCCESS;
}
-static AesNI_StatusCode aesni_box_decrypt_aes256(
+static AesNI_StatusCode aesni_box_decrypt_block_aes256(
const AesNI_BoxBlock* input,
const AesNI_BoxDecryptionParams* params,
AesNI_BoxBlock* output,
@@ -144,29 +154,32 @@ static AesNI_StatusCode aesni_box_decrypt_aes256(
return AESNI_SUCCESS;
}
-AesNI_BoxAlgorithmInterface aesni_box_aes128_iface =
+AesNI_BoxAlgorithmInterface aesni_box_algorithm_aes128 =
{
&aesni_box_derive_params_aes128,
- &aesni_box_encrypt_aes128,
- &aesni_box_decrypt_aes128,
+ &aesni_box_encrypt_block_aes128,
+ &aesni_box_decrypt_block_aes128,
&aesni_box_xor_block_aes,
- &aesni_box_inc_counter_aes,
+ &aesni_box_next_counter_aes,
+ &aesni_box_get_block_size_aes,
};
-AesNI_BoxAlgorithmInterface aesni_box_aes192_iface =
+AesNI_BoxAlgorithmInterface aesni_box_algorithm_aes192 =
{
&aesni_box_derive_params_aes192,
- &aesni_box_encrypt_aes192,
- &aesni_box_decrypt_aes192,
+ &aesni_box_encrypt_block_aes192,
+ &aesni_box_decrypt_block_aes192,
&aesni_box_xor_block_aes,
- &aesni_box_inc_counter_aes,
+ &aesni_box_next_counter_aes,
+ &aesni_box_get_block_size_aes,
};
-AesNI_BoxAlgorithmInterface aesni_box_aes256_iface =
+AesNI_BoxAlgorithmInterface aesni_box_algorithm_aes256 =
{
&aesni_box_derive_params_aes256,
- &aesni_box_encrypt_aes256,
- &aesni_box_decrypt_aes256,
+ &aesni_box_encrypt_block_aes256,
+ &aesni_box_decrypt_block_aes256,
&aesni_box_xor_block_aes,
- &aesni_box_inc_counter_aes,
+ &aesni_box_next_counter_aes,
+ &aesni_box_get_block_size_aes,
};
diff --git a/test/decrypt_block_aes.cpp b/test/decrypt_block_aes.cpp
index 3bb8e44..6c5e6f0 100644
--- a/test/decrypt_block_aes.cpp
+++ b/test/decrypt_block_aes.cpp
@@ -92,7 +92,7 @@ int main(int argc, char** argv)
args.pop_front();
AesNI_BoxBlock plaintext;
- aesni_box_decrypt(
+ aesni_box_decrypt_block(
&box,
&ciphertext,
&plaintext,
diff --git a/test/encrypt_block_aes.cpp b/test/encrypt_block_aes.cpp
index 6de9288..d3d3705 100644
--- a/test/encrypt_block_aes.cpp
+++ b/test/encrypt_block_aes.cpp
@@ -92,7 +92,7 @@ int main(int argc, char** argv)
args.pop_front();
AesNI_BoxBlock ciphertext;
- aesni_box_encrypt(
+ aesni_box_encrypt_block(
&box,
&plaintext,
&ciphertext,