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-rw-r--r--include/aesni/algorithm.h17
-rw-r--r--include/aesni/all.h4
-rw-r--r--include/aesni/box.h60
-rw-r--r--include/aesni/box_aes.h155
-rw-r--r--include/aesni/box_data.h110
-rw-r--r--include/aesni/mode.h19
-rw-r--r--src/box.c274
-rw-r--r--src/box_aes.c33
-rw-r--r--test/decrypt_block_aes.cpp8
-rw-r--r--test/encrypt_block_aes.cpp8
10 files changed, 372 insertions, 316 deletions
diff --git a/include/aesni/algorithm.h b/include/aesni/algorithm.h
deleted file mode 100644
index 8aacfdc..0000000
--- a/include/aesni/algorithm.h
+++ /dev/null
@@ -1,17 +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.
- */
-
-#pragma once
-
-typedef enum
-{
- AESNI_AES128,
- AESNI_AES192,
- AESNI_AES256,
-}
-AesNI_Algorithm;
diff --git a/include/aesni/all.h b/include/aesni/all.h
index 26f7a41..dfe9494 100644
--- a/include/aesni/all.h
+++ b/include/aesni/all.h
@@ -16,9 +16,9 @@
*/
#include "aes.h"
-#include "algorithm.h"
#include "box.h"
+#include "box_aes.h"
+#include "box_data.h"
#include "buffer.h"
#include "data.h"
#include "error.h"
-#include "mode.h"
diff --git a/include/aesni/box.h b/include/aesni/box.h
index 70b2787..fd28cf1 100644
--- a/include/aesni/box.h
+++ b/include/aesni/box.h
@@ -8,74 +8,32 @@
#pragma once
-#include "algorithm.h"
-#include "data.h"
+#include "box_data.h"
#include "error.h"
-#include "mode.h"
#ifdef __cplusplus
extern "C"
{
#endif
-typedef union
-{
- AesNI_Aes128_RoundKeys aes128_key_schedule;
- AesNI_Aes192_RoundKeys aes192_key_schedule;
- AesNI_Aes256_RoundKeys aes256_key_schedule;
-}
-AesNI_EncryptionParams;
-
-typedef union
-{
- AesNI_Aes128_RoundKeys aes128_key_schedule;
- AesNI_Aes192_RoundKeys aes192_key_schedule;
- AesNI_Aes256_RoundKeys aes256_key_schedule;
-}
-AesNI_DecryptionParams;
-
-typedef union
-{
- AesNI_Block128 aes_block;
-}
-AesNI_State;
-
-typedef union
-{
- AesNI_Block128 aes128_key;
- AesNI_Block192 aes192_key;
- AesNI_Block256 aes256_key;
-}
-AesNI_AlgorithmParams;
-
-typedef struct
-{
- AesNI_Algorithm algorithm;
- AesNI_EncryptionParams encrypt_params;
- AesNI_DecryptionParams decrypt_params;
- AesNI_Mode mode;
- AesNI_State iv;
-}
-AesNI_Box;
-
AesNI_StatusCode aesni_box_init(
AesNI_Box*,
- AesNI_Algorithm,
- const AesNI_AlgorithmParams*,
- AesNI_Mode,
- const AesNI_State* iv,
+ AesNI_BoxAlgorithm,
+ const AesNI_BoxAlgorithmParams*,
+ AesNI_BoxMode,
+ const AesNI_BoxBlock* iv,
AesNI_ErrorDetails*);
AesNI_StatusCode aesni_box_encrypt(
AesNI_Box*,
- const AesNI_State*,
- AesNI_State*,
+ const AesNI_BoxBlock*,
+ AesNI_BoxBlock*,
AesNI_ErrorDetails*);
AesNI_StatusCode aesni_box_decrypt(
AesNI_Box*,
- const AesNI_State*,
- AesNI_State*,
+ const AesNI_BoxBlock*,
+ AesNI_BoxBlock*,
AesNI_ErrorDetails*);
#ifdef __cplusplus
diff --git a/include/aesni/box_aes.h b/include/aesni/box_aes.h
new file mode 100644
index 0000000..391f13e
--- /dev/null
+++ b/include/aesni/box_aes.h
@@ -0,0 +1,155 @@
+/**
+ * \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.
+ */
+
+#pragma once
+
+#include "aes.h"
+#include "box_aes.h"
+#include "box_data.h"
+#include "data.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+static __inline AesNI_StatusCode aesni_box_derive_params_aes128(
+ const AesNI_BoxAlgorithmParams* algorithm_params,
+ AesNI_BoxEncryptionParams* encrypt_params,
+ AesNI_BoxDecryptionParams* decrypt_params,
+ AesNI_ErrorDetails* err_details)
+{
+ aesni_aes128_expand_key_(
+ algorithm_params->aes128_key,
+ &encrypt_params->aes128_encryption_keys);
+ aesni_aes128_derive_decryption_keys_(
+ &encrypt_params->aes128_encryption_keys,
+ &decrypt_params->aes128_decryption_keys);
+ return AESNI_SUCCESS;
+}
+
+static __inline AesNI_StatusCode aesni_box_derive_params_aes192(
+ const AesNI_BoxAlgorithmParams* algorithm_params,
+ AesNI_BoxEncryptionParams* encrypt_params,
+ AesNI_BoxDecryptionParams* decrypt_params,
+ AesNI_ErrorDetails* err_details)
+{
+ aesni_aes192_expand_key_(
+ algorithm_params->aes192_key.lo,
+ algorithm_params->aes192_key.hi,
+ &encrypt_params->aes192_encryption_keys);
+ aesni_aes192_derive_decryption_keys_(
+ &encrypt_params->aes192_encryption_keys,
+ &decrypt_params->aes192_decryption_keys);
+ return AESNI_SUCCESS;
+}
+
+static __inline AesNI_StatusCode aesni_box_derive_params_aes256(
+ const AesNI_BoxAlgorithmParams* algorithm_params,
+ AesNI_BoxEncryptionParams* encrypt_params,
+ AesNI_BoxDecryptionParams* decrypt_params,
+ AesNI_ErrorDetails* err_details)
+{
+ aesni_aes256_expand_key_(
+ algorithm_params->aes256_key.lo,
+ algorithm_params->aes256_key.hi,
+ &encrypt_params->aes256_encryption_keys);
+ aesni_aes256_derive_decryption_keys_(
+ &encrypt_params->aes256_encryption_keys,
+ &decrypt_params->aes256_decryption_keys);
+ return AESNI_SUCCESS;
+}
+
+static __inline AesNI_StatusCode aesni_box_xor_block_aes(
+ AesNI_BoxBlock* dest,
+ const AesNI_BoxBlock* src,
+ AesNI_ErrorDetails* err_details)
+{
+ dest->aes_block = aesni_xor_block128(dest->aes_block, src->aes_block);
+ return AESNI_SUCCESS;
+}
+
+static __inline AesNI_StatusCode aesni_box_encrypt_aes128(
+ const AesNI_BoxBlock* input,
+ const AesNI_BoxEncryptionParams* params,
+ AesNI_BoxBlock* output,
+ AesNI_ErrorDetails* err_details)
+{
+ output->aes_block = aesni_aes128_encrypt_block_(
+ input->aes_block,
+ &params->aes128_encryption_keys);
+ return AESNI_SUCCESS;
+}
+
+static __inline AesNI_StatusCode aesni_box_decrypt_aes128(
+ const AesNI_BoxBlock* input,
+ const AesNI_BoxDecryptionParams* params,
+ AesNI_BoxBlock* output,
+ AesNI_ErrorDetails* err_details)
+{
+ output->aes_block = aesni_aes128_decrypt_block_(
+ input->aes_block,
+ &params->aes128_decryption_keys);
+ return AESNI_SUCCESS;
+}
+
+static __inline AesNI_StatusCode aesni_box_encrypt_aes192(
+ const AesNI_BoxBlock* input,
+ const AesNI_BoxEncryptionParams* params,
+ AesNI_BoxBlock* output,
+ AesNI_ErrorDetails* err_details)
+{
+ output->aes_block = aesni_aes192_encrypt_block_(
+ input->aes_block,
+ &params->aes192_encryption_keys);
+ return AESNI_SUCCESS;
+}
+
+static __inline AesNI_StatusCode aesni_box_decrypt_aes192(
+ const AesNI_BoxBlock* input,
+ const AesNI_BoxDecryptionParams* params,
+ AesNI_BoxBlock* output,
+ AesNI_ErrorDetails* err_details)
+{
+ output->aes_block = aesni_aes192_decrypt_block_(
+ input->aes_block,
+ &params->aes192_decryption_keys);
+ return AESNI_SUCCESS;
+}
+
+static __inline AesNI_StatusCode aesni_box_encrypt_aes256(
+ const AesNI_BoxBlock* input,
+ const AesNI_BoxEncryptionParams* params,
+ AesNI_BoxBlock* output,
+ AesNI_ErrorDetails* err_details)
+{
+ output->aes_block = aesni_aes256_encrypt_block_(
+ input->aes_block,
+ &params->aes256_encryption_keys);
+ return AESNI_SUCCESS;
+}
+
+static __inline AesNI_StatusCode aesni_box_decrypt_aes256(
+ const AesNI_BoxBlock* input,
+ const AesNI_BoxDecryptionParams* params,
+ AesNI_BoxBlock* output,
+ AesNI_ErrorDetails* err_details)
+{
+ output->aes_block = aesni_aes256_decrypt_block_(
+ input->aes_block,
+ &params->aes256_decryption_keys);
+ return AESNI_SUCCESS;
+}
+
+extern AesNI_BoxAlgorithmInterface aesni_box_aes128_iface;
+extern AesNI_BoxAlgorithmInterface aesni_box_aes192_iface;
+extern AesNI_BoxAlgorithmInterface aesni_box_aes256_iface;
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/include/aesni/box_data.h b/include/aesni/box_data.h
new file mode 100644
index 0000000..160cf34
--- /dev/null
+++ b/include/aesni/box_data.h
@@ -0,0 +1,110 @@
+/**
+ * \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.
+ */
+
+#pragma once
+
+#include "error.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+typedef union
+{
+ AesNI_Block128 aes128_key;
+ AesNI_Block192 aes192_key;
+ AesNI_Block256 aes256_key;
+}
+AesNI_BoxAlgorithmParams;
+
+typedef enum
+{
+ AESNI_AES128,
+ AESNI_AES192,
+ AESNI_AES256,
+}
+AesNI_BoxAlgorithm;
+
+typedef enum
+{
+ AESNI_ECB,
+ AESNI_CBC,
+ AESNI_CFB,
+ AESNI_OFB,
+ AESNI_CTR,
+}
+AesNI_BoxMode;
+
+typedef union
+{
+ AesNI_Aes128_RoundKeys aes128_encryption_keys;
+ AesNI_Aes192_RoundKeys aes192_encryption_keys;
+ AesNI_Aes256_RoundKeys aes256_encryption_keys;
+}
+AesNI_BoxEncryptionParams;
+
+typedef union
+{
+ AesNI_Aes128_RoundKeys aes128_decryption_keys;
+ AesNI_Aes192_RoundKeys aes192_decryption_keys;
+ AesNI_Aes256_RoundKeys aes256_decryption_keys;
+}
+AesNI_BoxDecryptionParams;
+
+typedef union
+{
+ AesNI_Block128 aes_block;
+}
+AesNI_BoxBlock;
+
+typedef AesNI_StatusCode (*AesNI_BoxDeriveParams)(
+ const AesNI_BoxAlgorithmParams* params,
+ AesNI_BoxEncryptionParams*,
+ AesNI_BoxDecryptionParams*,
+ AesNI_ErrorDetails* err_details);
+
+typedef AesNI_StatusCode (*AesNI_BoxEncrypt)(
+ const AesNI_BoxBlock* plaintext,
+ const AesNI_BoxEncryptionParams* params,
+ AesNI_BoxBlock* ciphertext,
+ AesNI_ErrorDetails* err_details);
+
+typedef AesNI_StatusCode (*AesNI_BoxDecrypt)(
+ const AesNI_BoxBlock* ciphertext,
+ const AesNI_BoxDecryptionParams* params,
+ AesNI_BoxBlock* plaintext,
+ AesNI_ErrorDetails* err_details);
+
+typedef AesNI_StatusCode (*AesNI_BoxXorBlock)(
+ AesNI_BoxBlock*,
+ const AesNI_BoxBlock*,
+ AesNI_ErrorDetails*);
+
+typedef struct
+{
+ AesNI_BoxDeriveParams derive_params;
+ AesNI_BoxEncrypt encrypt;
+ AesNI_BoxDecrypt decrypt;
+ AesNI_BoxXorBlock xor_block;
+}
+AesNI_BoxAlgorithmInterface;
+
+typedef struct
+{
+ const AesNI_BoxAlgorithmInterface* algorithm_iface;
+ AesNI_BoxEncryptionParams encrypt_params;
+ AesNI_BoxDecryptionParams decrypt_params;
+ AesNI_BoxMode mode;
+ AesNI_BoxBlock iv;
+}
+AesNI_Box;
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/include/aesni/mode.h b/include/aesni/mode.h
deleted file mode 100644
index fc00e9c..0000000
--- a/include/aesni/mode.h
+++ /dev/null
@@ -1,19 +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.
- */
-
-#pragma once
-
-typedef enum
-{
- AESNI_ECB,
- AESNI_CBC,
- AESNI_CFB,
- AESNI_OFB,
- AESNI_CTR,
-}
-AesNI_Mode;
diff --git a/src/box.c b/src/box.c
index 4484390..0fa7297 100644
--- a/src/box.c
+++ b/src/box.c
@@ -8,193 +8,29 @@
#include <aesni/all.h>
-static AesNI_StatusCode aesni_box_xor_state_aes(
- AesNI_State* dest,
- const AesNI_State* src,
- AesNI_ErrorDetails* err_details)
-{
- dest->aes_block = aesni_xor_block128(dest->aes_block, src->aes_block);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_encrypt_aes128(
- const AesNI_State* input,
- const AesNI_EncryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details)
-{
- output->aes_block = aesni_aes128_encrypt_block_(
- input->aes_block,
- &params->aes128_key_schedule);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_decrypt_aes128(
- const AesNI_State* input,
- const AesNI_DecryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details)
-{
- output->aes_block = aesni_aes128_decrypt_block_(
- input->aes_block,
- &params->aes128_key_schedule);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_encrypt_aes192(
- const AesNI_State* input,
- const AesNI_EncryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details)
-{
- output->aes_block = aesni_aes192_encrypt_block_(
- input->aes_block,
- &params->aes192_key_schedule);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_decrypt_aes192(
- const AesNI_State* input,
- const AesNI_DecryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details)
-{
- output->aes_block = aesni_aes192_decrypt_block_(
- input->aes_block,
- &params->aes192_key_schedule);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_encrypt_aes256(
- const AesNI_State* input,
- const AesNI_EncryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details)
-{
- output->aes_block = aesni_aes256_encrypt_block_(
- input->aes_block,
- &params->aes256_key_schedule);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_decrypt_aes256(
- const AesNI_State* input,
- const AesNI_DecryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details)
-{
- output->aes_block = aesni_aes256_decrypt_block_(
- input->aes_block,
- &params->aes256_key_schedule);
- return AESNI_SUCCESS;
-}
-
-typedef AesNI_StatusCode (*AesNI_BoxEncrypt)(
- const AesNI_State*,
- const AesNI_EncryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details);
-
-static AesNI_BoxEncrypt aesni_box_encrypt_algorithm[] =
-{
- &aesni_box_encrypt_aes128,
- &aesni_box_encrypt_aes192,
- &aesni_box_encrypt_aes256,
-};
-
-typedef AesNI_StatusCode (*AesNI_BoxDecrypt)(
- const AesNI_State*,
- const AesNI_DecryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details);
-
-static AesNI_BoxDecrypt aesni_box_decrypt_algorithm[] =
-{
- &aesni_box_decrypt_aes128,
- &aesni_box_decrypt_aes192,
- &aesni_box_decrypt_aes256,
-};
-
-typedef AesNI_StatusCode (*AesNI_BoxXorState)(
- AesNI_State*,
- const AesNI_State*,
- AesNI_ErrorDetails*);
-
-static AesNI_BoxXorState aesni_box_xor_state[] =
-{
- &aesni_box_xor_state_aes,
- &aesni_box_xor_state_aes,
- &aesni_box_xor_state_aes,
-};
-
-static AesNI_StatusCode aesni_box_init_aes128(
- AesNI_Box* box,
- const AesNI_AlgorithmParams* algorithm_params,
- AesNI_ErrorDetails* err_details)
-{
- aesni_aes128_expand_key_(
- algorithm_params->aes128_key,
- &box->encrypt_params.aes128_key_schedule);
- aesni_aes128_derive_decryption_keys_(
- &box->encrypt_params.aes128_key_schedule,
- &box->decrypt_params.aes128_key_schedule);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_init_aes192(
- AesNI_Box* box,
- const AesNI_AlgorithmParams* algorithm_params,
- AesNI_ErrorDetails* err_details)
-{
- aesni_aes192_expand_key_(
- algorithm_params->aes192_key.lo,
- algorithm_params->aes192_key.hi,
- &box->encrypt_params.aes192_key_schedule);
- aesni_aes192_derive_decryption_keys_(
- &box->encrypt_params.aes192_key_schedule,
- &box->decrypt_params.aes192_key_schedule);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_init_aes256(
- AesNI_Box* box,
- const AesNI_AlgorithmParams* algorithm_params,
- AesNI_ErrorDetails* err_details)
-{
- aesni_aes256_expand_key_(
- algorithm_params->aes256_key.lo,
- algorithm_params->aes256_key.hi,
- &box->encrypt_params.aes256_key_schedule);
- aesni_aes256_derive_decryption_keys_(
- &box->encrypt_params.aes256_key_schedule,
- &box->decrypt_params.aes256_key_schedule);
- return AESNI_SUCCESS;
-}
-
-typedef AesNI_StatusCode (*AesNI_BoxInitializeAlgorithm)(
- AesNI_Box*,
- const AesNI_AlgorithmParams*,
- AesNI_ErrorDetails*);
-
-static AesNI_BoxInitializeAlgorithm aesni_box_init_algorithm[] =
+static const AesNI_BoxAlgorithmInterface* aesni_box_algorithm_ifaces[] =
{
- &aesni_box_init_aes128,
- &aesni_box_init_aes192,
- &aesni_box_init_aes256,
+ &aesni_box_aes128_iface,
+ &aesni_box_aes192_iface,
+ &aesni_box_aes256_iface,
};
AesNI_StatusCode aesni_box_init(
AesNI_Box* box,
- AesNI_Algorithm algorithm,
- const AesNI_AlgorithmParams* algorithm_params,
- AesNI_Mode mode,
- const AesNI_State* iv,
+ AesNI_BoxAlgorithm algorithm,
+ const AesNI_BoxAlgorithmParams* algorithm_params,
+ AesNI_BoxMode mode,
+ const AesNI_BoxBlock* iv,
AesNI_ErrorDetails* err_details)
{
AesNI_StatusCode status = AESNI_SUCCESS;
- box->algorithm = algorithm;
- if (aesni_is_error(status = aesni_box_init_algorithm[algorithm](box, algorithm_params, err_details)))
+ box->algorithm_iface = aesni_box_algorithm_ifaces[algorithm];
+ if (aesni_is_error(status = box->algorithm_iface->derive_params(
+ algorithm_params,
+ &box->encrypt_params,
+ &box->decrypt_params,
+ err_details)))
return status;
box->mode = mode;
if (iv != NULL)
@@ -205,11 +41,11 @@ AesNI_StatusCode aesni_box_init(
static AesNI_StatusCode aesni_box_encrypt_ecb(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- return aesni_box_encrypt_algorithm[box->algorithm](
+ return box->algorithm_iface->encrypt(
input,
&box->encrypt_params,
output,
@@ -218,21 +54,21 @@ static AesNI_StatusCode aesni_box_encrypt_ecb(
static AesNI_StatusCode aesni_box_encrypt_cbc(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
AesNI_StatusCode status = AESNI_SUCCESS;
- AesNI_State xored_input = *input;
- status = aesni_box_xor_state[box->algorithm](
+ AesNI_BoxBlock xored_input = *input;
+ status = box->algorithm_iface->xor_block(
&xored_input,
&box->iv,
err_details);
if (aesni_is_error(status))
return status;
- status = aesni_box_encrypt_algorithm[box->algorithm](
+ status = box->algorithm_iface->encrypt(
&xored_input,
&box->encrypt_params,
output,
@@ -246,11 +82,11 @@ static AesNI_StatusCode aesni_box_encrypt_cbc(
static AesNI_StatusCode aesni_box_encrypt_cfb(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = aesni_box_encrypt_algorithm[box->algorithm](
+ AesNI_StatusCode status = box->algorithm_iface->encrypt(
&box->iv,
&box->encrypt_params,
output,
@@ -258,7 +94,7 @@ static AesNI_StatusCode aesni_box_encrypt_cfb(
if (aesni_is_error(status))
return status;
- status = aesni_box_xor_state[box->algorithm](output, input, err_details);
+ status = box->algorithm_iface->xor_block(output, input, err_details);
if (aesni_is_error(status))
return status;
@@ -268,11 +104,11 @@ static AesNI_StatusCode aesni_box_encrypt_cfb(
static AesNI_StatusCode aesni_box_encrypt_ofb(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = aesni_box_encrypt_algorithm[box->algorithm](
+ AesNI_StatusCode status = box->algorithm_iface->encrypt(
&box->iv,
&box->encrypt_params,
&box->iv,
@@ -282,7 +118,7 @@ static AesNI_StatusCode aesni_box_encrypt_ofb(
*output = box->iv;
- status = aesni_box_xor_state[box->algorithm](output, input, err_details);
+ status = box->algorithm_iface->xor_block(output, input, err_details);
if (aesni_is_error(status))
return status;
@@ -291,8 +127,8 @@ static AesNI_StatusCode aesni_box_encrypt_ofb(
static AesNI_StatusCode aesni_box_encrypt_ctr(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
return aesni_error_not_implemented(err_details);
@@ -300,8 +136,8 @@ static AesNI_StatusCode aesni_box_encrypt_ctr(
typedef AesNI_StatusCode (*AesNI_BoxEncryptMode)(
AesNI_Box*,
- const AesNI_State*,
- AesNI_State*,
+ const AesNI_BoxBlock*,
+ AesNI_BoxBlock*,
AesNI_ErrorDetails*);
static AesNI_BoxEncryptMode aesni_box_encrypt_mode[] =
@@ -315,8 +151,8 @@ static AesNI_BoxEncryptMode aesni_box_encrypt_mode[] =
AesNI_StatusCode aesni_box_encrypt(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
return aesni_box_encrypt_mode[box->mode](box, input, output, err_details);
@@ -324,11 +160,11 @@ AesNI_StatusCode aesni_box_encrypt(
static AesNI_StatusCode aesni_box_decrypt_ecb(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- return aesni_box_decrypt_algorithm[box->algorithm](
+ return box->algorithm_iface->decrypt(
input,
&box->decrypt_params,
output,
@@ -337,11 +173,11 @@ static AesNI_StatusCode aesni_box_decrypt_ecb(
static AesNI_StatusCode aesni_box_decrypt_cbc(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = aesni_box_decrypt_algorithm[box->algorithm](
+ AesNI_StatusCode status = box->algorithm_iface->decrypt(
input,
&box->decrypt_params,
output,
@@ -349,7 +185,7 @@ static AesNI_StatusCode aesni_box_decrypt_cbc(
if (aesni_is_error(status))
return status;
- status = aesni_box_xor_state[box->algorithm](
+ status = box->algorithm_iface->xor_block(
output,
&box->iv,
err_details);
@@ -362,11 +198,11 @@ static AesNI_StatusCode aesni_box_decrypt_cbc(
static AesNI_StatusCode aesni_box_decrypt_cfb(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = aesni_box_encrypt_algorithm[box->algorithm](
+ AesNI_StatusCode status = box->algorithm_iface->encrypt(
&box->iv,
&box->encrypt_params,
output,
@@ -374,7 +210,7 @@ static AesNI_StatusCode aesni_box_decrypt_cfb(
if (aesni_is_error(status))
return status;
- status = aesni_box_xor_state[box->algorithm](
+ status = box->algorithm_iface->xor_block(
output,
input,
err_details);
@@ -388,11 +224,11 @@ static AesNI_StatusCode aesni_box_decrypt_cfb(
static AesNI_StatusCode aesni_box_decrypt_ofb(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = aesni_box_encrypt_algorithm[box->algorithm](
+ AesNI_StatusCode status = box->algorithm_iface->encrypt(
&box->iv,
&box->encrypt_params,
output,
@@ -402,7 +238,7 @@ static AesNI_StatusCode aesni_box_decrypt_ofb(
box->iv = *output;
- status = aesni_box_xor_state[box->algorithm](
+ status = box->algorithm_iface->xor_block(
output,
input,
err_details);
@@ -414,8 +250,8 @@ static AesNI_StatusCode aesni_box_decrypt_ofb(
static AesNI_StatusCode aesni_box_decrypt_ctr(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
return aesni_error_not_implemented(err_details);
@@ -434,8 +270,8 @@ static AesNI_BoxDecryptMode aesni_box_decrypt_mode[] =
AesNI_StatusCode aesni_box_decrypt(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
return aesni_box_decrypt_mode[box->mode](box, input, output, err_details);
diff --git a/src/box_aes.c b/src/box_aes.c
new file mode 100644
index 0000000..5253415
--- /dev/null
+++ b/src/box_aes.c
@@ -0,0 +1,33 @@
+/**
+ * \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>
+
+AesNI_BoxAlgorithmInterface aesni_box_aes128_iface =
+{
+ &aesni_box_derive_params_aes128,
+ &aesni_box_encrypt_aes128,
+ &aesni_box_decrypt_aes128,
+ &aesni_box_xor_block_aes,
+};
+
+AesNI_BoxAlgorithmInterface aesni_box_aes192_iface =
+{
+ &aesni_box_derive_params_aes192,
+ &aesni_box_encrypt_aes192,
+ &aesni_box_decrypt_aes192,
+ &aesni_box_xor_block_aes,
+};
+
+AesNI_BoxAlgorithmInterface aesni_box_aes256_iface =
+{
+ &aesni_box_derive_params_aes256,
+ &aesni_box_encrypt_aes256,
+ &aesni_box_decrypt_aes256,
+ &aesni_box_xor_block_aes,
+};
diff --git a/test/decrypt_block_aes.cpp b/test/decrypt_block_aes.cpp
index acc9c6b..6cb9ce7 100644
--- a/test/decrypt_block_aes.cpp
+++ b/test/decrypt_block_aes.cpp
@@ -34,10 +34,10 @@ int main(int argc, char** argv)
if (argc < 2)
exit_with_usage();
- AesNI_AlgorithmParams algorithm_params;
+ AesNI_BoxAlgorithmParams algorithm_params;
aesni::from_string(algorithm_params.aes128_key, argv[0]);
- AesNI_State iv;
+ AesNI_BoxBlock iv;
aesni::from_string(iv.aes_block, argv[1]);
AesNI_Box box;
@@ -54,10 +54,10 @@ int main(int argc, char** argv)
if (std::strcmp("--", argv[0]) == 0)
break;
- AesNI_State ciphertext;
+ AesNI_BoxBlock ciphertext;
aesni::from_string(ciphertext.aes_block, argv[0]);
- AesNI_State plaintext;
+ AesNI_BoxBlock plaintext;
aesni_box_decrypt(
&box,
&ciphertext,
diff --git a/test/encrypt_block_aes.cpp b/test/encrypt_block_aes.cpp
index 9db6e32..f15ddda 100644
--- a/test/encrypt_block_aes.cpp
+++ b/test/encrypt_block_aes.cpp
@@ -34,10 +34,10 @@ int main(int argc, char** argv)
if (argc < 2)
exit_with_usage();
- AesNI_AlgorithmParams algorithm_params;
+ AesNI_BoxAlgorithmParams algorithm_params;
aesni::from_string(algorithm_params.aes128_key, argv[0]);
- AesNI_State iv;
+ AesNI_BoxBlock iv;
aesni::from_string(iv.aes_block, argv[1]);
AesNI_Box box;
@@ -54,10 +54,10 @@ int main(int argc, char** argv)
if (std::strcmp("--", argv[0]) == 0)
break;
- AesNI_State plaintext;
+ AesNI_BoxBlock plaintext;
aesni::from_string(plaintext.aes_block, argv[0]);
- AesNI_State ciphertext;
+ AesNI_BoxBlock ciphertext;
aesni_box_encrypt(
&box,
&plaintext,