rename the project

10 files changed, 1364 insertions, 0 deletions

diff --git a/include/aes/aes.h b/include/aes/aes.h
new file mode 100644
index 0000000..ea859a3
--- /dev/null
+++ b/include/aes/aes.h
@@ -0,0 +1,529 @@
+/**
+ * \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 "data.h"
+#include "error.h"
+#include "mode.h"
+
+#include <assert.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+typedef AesNI_Block128 AesNI_AES_Block;
+typedef AesNI_AES_Block AesNI_AES128_Block;
+typedef AesNI_AES_Block AesNI_AES192_Block;
+typedef AesNI_AES_Block AesNI_AES256_Block;
+
+typedef struct
+{
+    AesNI_AES_Block key;
+}
+AesNI_AES128_Key;
+
+typedef struct
+{
+    AesNI_AES_Block hi;
+    AesNI_AES_Block lo;
+}
+AesNI_AES192_Key;
+
+typedef struct
+{
+    AesNI_AES_Block hi;
+    AesNI_AES_Block lo;
+}
+AesNI_AES256_Key;
+
+static __inline void aesni_AES_make_block(AesNI_AES_Block* dest, int hi3, int hi2, int lo1, int lo0)
+{
+    *dest = aesni_make_block128(hi3, hi2, lo1, lo0);
+}
+
+static __inline void aesni_AES128_make_block(AesNI_AES128_Block* dest, int hi3, int hi2, int lo1, int lo0)
+{
+    aesni_AES_make_block(dest, hi3, hi2, lo1, lo0);
+}
+
+static __inline void aesni_AES192_make_block(AesNI_AES192_Block* dest, int hi3, int hi2, int lo1, int lo0)
+{
+    aesni_AES_make_block(dest, hi3, hi2, lo1, lo0);
+}
+
+static __inline void aesni_AES256_make_block(AesNI_AES256_Block* dest, int hi3, int hi2, int lo1, int lo0)
+{
+    aesni_AES_make_block(dest, hi3, hi2, lo1, lo0);
+}
+
+static __inline void aesni_AES128_make_key(AesNI_AES128_Key* dest, int hi3, int hi2, int lo1, int lo0)
+{
+    aesni_AES_make_block(&dest->key, hi3, hi2, lo1, lo0);
+}
+
+static __inline void aesni_AES192_make_key(AesNI_AES192_Key* dest, int hi5, int hi4, int lo3, int lo2, int lo1, int lo0)
+{
+    aesni_AES_make_block(&dest->hi, 0, 0, hi5, hi4);
+    aesni_AES_make_block(&dest->lo, lo3, lo2, lo1, lo0);
+}
+
+static __inline void aesni_AES256_make_key(AesNI_AES256_Key* dest, int hi7, int hi6, int hi5, int hi4, int lo3, int lo2, int lo1, int lo0)
+{
+    aesni_AES_make_block(&dest->hi, hi7, hi6, hi5, hi4);
+    aesni_AES_make_block(&dest->lo, lo3, lo2, lo1, lo0);
+}
+
+typedef struct { char str[33]; } AesNI_AES_BlockString;
+typedef AesNI_AES_BlockString AesNI_AES128_BlockString;
+typedef AesNI_AES_BlockString AesNI_AES192_BlockString;
+typedef AesNI_AES_BlockString AesNI_AES256_BlockString;
+
+typedef struct { char str[49]; } AesNI_AES_BlockMatrixString;
+typedef AesNI_AES_BlockMatrixString AesNI_AES128_BlockMatrixString;
+typedef AesNI_AES_BlockMatrixString AesNI_AES192_BlockMatrixString;
+typedef AesNI_AES_BlockMatrixString AesNI_AES256_BlockMatrixString;
+
+AesNI_StatusCode aesni_AES_format_block(
+    AesNI_AES_BlockString*,
+    const AesNI_AES_Block*,
+    AesNI_ErrorDetails*);
+
+static __inline AesNI_StatusCode aesni_AES128_format_block(
+    AesNI_AES128_BlockString* dest,
+    const AesNI_AES128_Block* src,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_format_block(dest, src, err_details);
+}
+
+static __inline AesNI_StatusCode aesni_AES192_format_block(
+    AesNI_AES192_BlockString* dest,
+    const AesNI_AES192_Block* src,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_format_block(dest, src, err_details);
+}
+
+static __inline AesNI_StatusCode aesni_AES256_format_block(
+    AesNI_AES256_BlockString* dest,
+    const AesNI_AES256_Block* src,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_format_block(dest, src, err_details);
+}
+
+AesNI_StatusCode aesni_AES_format_block_as_matrix(
+    AesNI_AES_BlockMatrixString*,
+    const AesNI_AES_Block*,
+    AesNI_ErrorDetails*);
+
+static __inline AesNI_StatusCode aesni_AES128_format_block_as_matrix(
+    AesNI_AES128_BlockMatrixString* dest,
+    const AesNI_AES128_Block* src,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_format_block_as_matrix(dest, src, err_details);
+}
+
+static __inline AesNI_StatusCode aesni_AES192_format_block_as_matrix(
+    AesNI_AES192_BlockMatrixString* dest,
+    const AesNI_AES192_Block* src,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_format_block_as_matrix(dest, src, err_details);
+}
+
+static __inline AesNI_StatusCode aesni_AES256_format_block_as_matrix(
+    AesNI_AES256_BlockMatrixString* dest,
+    const AesNI_AES256_Block* src,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_format_block_as_matrix(dest, src, err_details);
+}
+
+AesNI_StatusCode aesni_AES_print_block(
+    const AesNI_AES_Block*,
+    AesNI_ErrorDetails*);
+
+static __inline AesNI_StatusCode aesni_AES128_print_block(
+    const AesNI_AES128_Block* block,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_print_block(block, err_details);
+}
+
+static __inline AesNI_StatusCode aesni_AES192_print_block(
+    const AesNI_AES192_Block* block,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_print_block(block, err_details);
+}
+
+static __inline AesNI_StatusCode aesni_AES256_print_block(
+    const AesNI_AES256_Block* block,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_print_block(block, err_details);
+}
+
+AesNI_StatusCode aesni_AES_print_block_as_matrix(
+    const AesNI_AES_Block*,
+    AesNI_ErrorDetails*);
+
+static __inline AesNI_StatusCode aesni_AES128_print_block_as_matrix(
+    const AesNI_AES128_Block* block,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_print_block_as_matrix(block, err_details);
+}
+
+static __inline AesNI_StatusCode aesni_AES192_print_block_as_matrix(
+    const AesNI_AES192_Block* block,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_print_block_as_matrix(block, err_details);
+}
+
+static __inline AesNI_StatusCode aesni_AES256_print_block_as_matrix(
+    const AesNI_AES256_Block* block,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_print_block_as_matrix(block, err_details);
+}
+
+AesNI_StatusCode aesni_AES_parse_block(
+    AesNI_AES_Block* dest,
+    const char* src,
+    AesNI_ErrorDetails* err_details);
+
+static __inline AesNI_StatusCode aesni_AES128_parse_block(
+    AesNI_AES128_Block* dest,
+    const char* src,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_parse_block(dest, src, err_details);
+}
+
+static __inline AesNI_StatusCode aesni_AES192_parse_block(
+    AesNI_AES192_Block* dest,
+    const char* src,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_parse_block(dest, src, err_details);
+}
+
+static __inline AesNI_StatusCode aesni_AES256_parse_block(
+    AesNI_AES256_Block* dest,
+    const char* src,
+    AesNI_ErrorDetails* err_details)
+{
+    return aesni_AES_parse_block(dest, src, err_details);
+}
+
+typedef struct { char str[33]; } AesNI_AES128_KeyString;
+typedef struct { char str[49]; } AesNI_AES192_KeyString;
+typedef struct { char str[65]; } AesNI_AES256_KeyString;
+
+AesNI_StatusCode aesni_AES128_format_key(
+    AesNI_AES128_KeyString*,
+    const AesNI_AES128_Key*,
+    AesNI_ErrorDetails*);
+
+AesNI_StatusCode aesni_AES192_format_key(
+    AesNI_AES192_KeyString*,
+    const AesNI_AES192_Key*,
+    AesNI_ErrorDetails*);
+
+AesNI_StatusCode aesni_AES256_format_key(
+    AesNI_AES256_KeyString*,
+    const AesNI_AES256_Key*,
+    AesNI_ErrorDetails*);
+
+AesNI_StatusCode aesni_AES128_print_key(
+    const AesNI_AES128_Key*,
+    AesNI_ErrorDetails*);
+
+AesNI_StatusCode aesni_AES192_print_key(
+    const AesNI_AES192_Key*,
+    AesNI_ErrorDetails*);
+
+AesNI_StatusCode aesni_AES256_print_key(
+    const AesNI_AES256_Key*,
+    AesNI_ErrorDetails*);
+
+AesNI_StatusCode aesni_AES128_parse_key(
+    AesNI_AES128_Key* dest,
+    const char* src,
+    AesNI_ErrorDetails* err_details);
+
+AesNI_StatusCode aesni_AES192_parse_key(
+    AesNI_AES192_Key* dest,
+    const char* src,
+    AesNI_ErrorDetails* err_details);
+
+AesNI_StatusCode aesni_AES256_parse_key(
+    AesNI_AES256_Key* dest,
+    const char* src,
+    AesNI_ErrorDetails* err_details);
+
+typedef struct
+{
+    AesNI_AES_Block keys[11];
+}
+AesNI_AES128_RoundKeys;
+
+typedef struct
+{
+    AesNI_AES_Block keys[13];
+}
+AesNI_AES192_RoundKeys;
+
+typedef struct
+{
+    AesNI_AES_Block keys[15];
+}
+AesNI_AES256_RoundKeys;
+
+void __fastcall aesni_AES128_expand_key_(
+    AesNI_AES_Block key,
+    AesNI_AES128_RoundKeys* encryption_keys);
+
+void __fastcall aesni_AES192_expand_key_(
+    AesNI_AES_Block key_lo,
+    AesNI_AES_Block key_hi,
+    AesNI_AES192_RoundKeys* encryption_keys);
+
+void __fastcall aesni_AES256_expand_key_(
+    AesNI_AES_Block key_lo,
+    AesNI_AES_Block key_hi,
+    AesNI_AES256_RoundKeys* encryption_keys);
+
+void __fastcall aesni_AES128_derive_decryption_keys_(
+    const AesNI_AES128_RoundKeys* encryption_keys,
+    AesNI_AES128_RoundKeys* decryption_keys);
+
+void __fastcall aesni_AES192_derive_decryption_keys_(
+    const AesNI_AES192_RoundKeys* encryption_keys,
+    AesNI_AES192_RoundKeys* decryption_keys);
+
+void __fastcall aesni_AES256_derive_decryption_keys_(
+    const AesNI_AES256_RoundKeys* encryption_keys,
+    AesNI_AES256_RoundKeys* decryption_keys);
+
+AesNI_AES_Block __fastcall aesni_AES128_encrypt_block_(
+    AesNI_AES_Block plaintext,
+    const AesNI_AES128_RoundKeys*);
+
+AesNI_AES_Block __fastcall aesni_AES192_encrypt_block_(
+    AesNI_AES_Block plaintext,
+    const AesNI_AES192_RoundKeys*);
+
+AesNI_AES_Block __fastcall aesni_AES256_encrypt_block_(
+    AesNI_AES_Block plaintext,
+    const AesNI_AES256_RoundKeys*);
+
+AesNI_AES_Block __fastcall aesni_AES128_decrypt_block_(
+    AesNI_AES_Block ciphertext,
+    const AesNI_AES128_RoundKeys*);
+
+AesNI_AES_Block __fastcall aesni_AES192_decrypt_block_(
+    AesNI_AES_Block ciphertext,
+    const AesNI_AES192_RoundKeys*);
+
+AesNI_AES_Block __fastcall aesni_AES256_decrypt_block_(
+    AesNI_AES_Block ciphertext,
+    const AesNI_AES256_RoundKeys*);
+
+static __inline AesNI_AES_Block __fastcall aesni_AES_xor_blocks(
+    AesNI_AES_Block a,
+    AesNI_AES_Block b)
+{
+    return aesni_xor_block128(a, b);
+}
+
+static __inline AesNI_AES_Block __fastcall aesni_AES128_xor_blocks(
+    AesNI_AES128_Block a,
+    AesNI_AES128_Block b)
+{
+    return aesni_AES_xor_blocks(a, b);
+}
+
+static __inline AesNI_AES_Block __fastcall aesni_AES192_xor_blocks(
+    AesNI_AES192_Block a,
+    AesNI_AES192_Block b)
+{
+    return aesni_AES_xor_blocks(a, b);
+}
+
+static __inline AesNI_AES_Block __fastcall aesni_AES256_xor_blocks(
+    AesNI_AES256_Block a,
+    AesNI_AES256_Block b)
+{
+    return aesni_AES_xor_blocks(a, b);
+}
+
+static __inline AesNI_AES_Block __fastcall aesni_AES_inc_block(
+    AesNI_AES_Block block)
+{
+    block = aesni_reverse_byte_order_block128(block);
+    block = aesni_inc_block128(block);
+    return aesni_reverse_byte_order_block128(block);
+}
+
+static __inline AesNI_AES_Block __fastcall aesni_AES128_inc_block(
+    AesNI_AES128_Block block)
+{
+    return aesni_AES_inc_block(block);
+}
+
+static __inline AesNI_AES_Block __fastcall aesni_AES192_inc_block(
+    AesNI_AES192_Block block)
+{
+    return aesni_AES_inc_block(block);
+}
+
+static __inline AesNI_AES_Block __fastcall aesni_AES256_inc_block(
+    AesNI_AES256_Block block)
+{
+    return aesni_AES_inc_block(block);
+}
+
+AESNI_ENCRYPT_BLOCK_ECB(AES128);
+AESNI_DECRYPT_BLOCK_ECB(AES128);
+AESNI_ENCRYPT_BLOCK_CBC(AES128);
+AESNI_DECRYPT_BLOCK_CBC(AES128);
+AESNI_ENCRYPT_BLOCK_CFB(AES128);
+AESNI_DECRYPT_BLOCK_CFB(AES128);
+AESNI_ENCRYPT_BLOCK_OFB(AES128);
+AESNI_DECRYPT_BLOCK_OFB(AES128);
+AESNI_ENCRYPT_BLOCK_CTR(AES128);
+AESNI_DECRYPT_BLOCK_CTR(AES128);
+
+AESNI_ENCRYPT_BLOCK_ECB(AES192);
+AESNI_DECRYPT_BLOCK_ECB(AES192);
+AESNI_ENCRYPT_BLOCK_CBC(AES192);
+AESNI_DECRYPT_BLOCK_CBC(AES192);
+AESNI_ENCRYPT_BLOCK_CFB(AES192);
+AESNI_DECRYPT_BLOCK_CFB(AES192);
+AESNI_ENCRYPT_BLOCK_OFB(AES192);
+AESNI_DECRYPT_BLOCK_OFB(AES192);
+AESNI_ENCRYPT_BLOCK_CTR(AES192);
+AESNI_DECRYPT_BLOCK_CTR(AES192);
+
+AESNI_ENCRYPT_BLOCK_ECB(AES256);
+AESNI_DECRYPT_BLOCK_ECB(AES256);
+AESNI_ENCRYPT_BLOCK_CBC(AES256);
+AESNI_DECRYPT_BLOCK_CBC(AES256);
+AESNI_ENCRYPT_BLOCK_CFB(AES256);
+AESNI_DECRYPT_BLOCK_CFB(AES256);
+AESNI_ENCRYPT_BLOCK_OFB(AES256);
+AESNI_DECRYPT_BLOCK_OFB(AES256);
+AESNI_ENCRYPT_BLOCK_CTR(AES256);
+AESNI_DECRYPT_BLOCK_CTR(AES256);
+
+/**
+ * \brief Expands an AES-128 key into 10 encryption round keys.
+ *
+ * \param[in] key The AES-128 key.
+ * \param[out] encryption_keys The AES-128 encryption round keys. Must not be `NULL`.
+ */
+static __inline void __fastcall aesni_AES128_expand_key(
+    const AesNI_AES128_Key* key,
+    AesNI_AES128_RoundKeys* encryption_keys)
+{
+    assert(encryption_keys);
+
+    aesni_AES128_expand_key_(key->key, encryption_keys);
+}
+
+/**
+ * \brief Derives AES-128 decryption round keys from AES-128 encryption round keys.
+ *
+ * \param[in] encryption_keys The AES-128 encryption round keys. Must not be `NULL`.
+ * \param[out] decryption_keys The AES-128 decryption round keys. Must not be `NULL`.
+ */
+static __inline void __fastcall aesni_AES128_derive_decryption_keys(
+    const AesNI_AES128_RoundKeys* encryption_keys,
+    AesNI_AES128_RoundKeys* decryption_keys)
+{
+    assert(encryption_keys);
+    assert(decryption_keys);
+
+    aesni_AES128_derive_decryption_keys_(encryption_keys, decryption_keys);
+}
+
+/**
+ * \brief Expands an AES-192 key into 12 encryption round keys.
+ *
+ * \param[in] key The AES-192 key.
+ * \param[out] encryption_keys The AES-192 encryption round keys. Must not be `NULL`.
+ */
+static __inline void __fastcall aesni_AES192_expand_key(
+    const AesNI_AES192_Key* key,
+    AesNI_AES192_RoundKeys* encryption_keys)
+{
+    assert(key);
+    assert(encryption_keys);
+
+    aesni_AES192_expand_key_(key->lo, key->hi, encryption_keys);
+}
+
+/**
+ * \brief Derives AES-192 decryption round keys from AES-192 encryption round keys.
+ *
+ * \param[in] encryption_keys The AES-192 encryption round keys. Must not be `NULL`.
+ * \param[out] decryption_keys The AES-192 decryption round keys. Must not be `NULL`.
+ */
+static __inline void __fastcall aesni_AES192_derive_decryption_keys(
+    const AesNI_AES192_RoundKeys* encryption_keys,
+    AesNI_AES192_RoundKeys* decryption_keys)
+{
+    assert(encryption_keys);
+    assert(decryption_keys);
+
+    aesni_AES192_derive_decryption_keys_(encryption_keys, decryption_keys);
+}
+
+/**
+ * \brief Expands an AES-256 key into 14 encryption round keys.
+ *
+ * \param[in] key The AES-256 key.
+ * \param[out] encryption_keys The AES-256 encryption round keys. Must not be `NULL`.
+ */
+static __inline void __fastcall aesni_AES256_expand_key(
+    const AesNI_AES256_Key* key,
+    AesNI_AES256_RoundKeys* encryption_keys)
+{
+    assert(key);
+    assert(encryption_keys);
+
+    aesni_AES256_expand_key_(key->lo, key->hi, encryption_keys);
+}
+
+/**
+ * \brief Derives AES-256 decryption round keys from AES-256 encryption round keys.
+ *
+ * \param[in] encryption_keys The AES-256 encryption round keys. Must not be `NULL`.
+ * \param[out] decryption_keys The AES-256 decryption round keys. Must not be `NULL`.
+ */
+static __inline void __fastcall aesni_AES256_derive_decryption_keys(
+    const AesNI_AES256_RoundKeys* encryption_keys,
+    AesNI_AES256_RoundKeys* decryption_keys)
+{
+    assert(encryption_keys);
+    assert(decryption_keys);
+
+    aesni_AES256_derive_decryption_keys_(encryption_keys, decryption_keys);
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/include/aes/algorithm.h b/include/aes/algorithm.h
new file mode 100644
index 0000000..a73b412
--- /dev/null
+++ b/include/aes/algorithm.h
@@ -0,0 +1,26 @@
+/**
+ * \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
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+typedef enum
+{
+    AESNI_AES128,
+    AESNI_AES192,
+    AESNI_AES256,
+}
+AesNI_Algorithm;
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/include/aes/all.h b/include/aes/all.h
new file mode 100644
index 0000000..bbea6f9
--- /dev/null
+++ b/include/aes/all.h
@@ -0,0 +1,26 @@
+/**
+ * \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.
+ *
+ * \brief Include this file to use the library. Includes all the other header
+ * files.
+ */
+
+#pragma once
+
+/**
+ * \defgroup aesni AesNI
+ */
+
+#include "aes.h"
+#include "algorithm.h"
+#include "box.h"
+#include "box_aes.h"
+#include "box_data.h"
+#include "data.h"
+#include "error.h"
+#include "mode.h"
+#include "padding.h"
diff --git a/include/aes/box.h b/include/aes/box.h
new file mode 100644
index 0000000..58517e1
--- /dev/null
+++ b/include/aes/box.h
@@ -0,0 +1,84 @@
+/**
+ * \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 "algorithm.h"
+#include "box_data.h"
+#include "error.h"
+
+#include <stdlib.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+AesNI_StatusCode aesni_box_init(
+    AesNI_Box* box,
+    AesNI_Algorithm algorithm,
+    const AesNI_BoxKey* box_key,
+    AesNI_Mode mode,
+    const AesNI_BoxBlock* iv,
+    AesNI_ErrorDetails* err_details);
+
+AesNI_StatusCode aesni_box_parse_key(
+    AesNI_BoxKey* dest,
+    AesNI_Algorithm algorithm,
+    const char* src,
+    AesNI_ErrorDetails* err_details);
+
+AesNI_StatusCode aesni_box_parse_block(
+    AesNI_BoxBlock* dest,
+    AesNI_Algorithm algorithm,
+    const char* src,
+    AesNI_ErrorDetails* err_details);
+
+AesNI_StatusCode aesni_box_format_key(
+    AesNI_BoxKeyString* dest,
+    AesNI_Algorithm algorithm,
+    const AesNI_BoxKey* src,
+    AesNI_ErrorDetails* err_details);
+
+AesNI_StatusCode aesni_box_format_block(
+    AesNI_BoxBlockString* dest,
+    AesNI_Algorithm algorithm,
+    const AesNI_BoxBlock* src,
+    AesNI_ErrorDetails* err_details);
+
+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_block(
+    AesNI_Box* box,
+    const AesNI_BoxBlock* ciphertext,
+    AesNI_BoxBlock* plaintext,
+    AesNI_ErrorDetails* err_details);
+
+AesNI_StatusCode aesni_box_encrypt_buffer(
+    AesNI_Box* box,
+    const void* src,
+    size_t src_size,
+    void* dest,
+    size_t* dest_size,
+    AesNI_ErrorDetails* err_details);
+
+AesNI_StatusCode aesni_box_decrypt_buffer(
+    AesNI_Box* box,
+    const void* src,
+    size_t src_size,
+    void* dest,
+    size_t* dest_size,
+    AesNI_ErrorDetails* err_details);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/include/aes/box_aes.h b/include/aes/box_aes.h
new file mode 100644
index 0000000..3d7faec
--- /dev/null
+++ b/include/aes/box_aes.h
@@ -0,0 +1,24 @@
+/**
+ * \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 "box_data.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+extern AesNI_BoxAlgorithmInterface aesni_box_algorithm_aes128;
+extern AesNI_BoxAlgorithmInterface aesni_box_algorithm_aes192;
+extern AesNI_BoxAlgorithmInterface aesni_box_algorithm_aes256;
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/include/aes/box_data.h b/include/aes/box_data.h
new file mode 100644
index 0000000..888c7c0
--- /dev/null
+++ b/include/aes/box_data.h
@@ -0,0 +1,156 @@
+/**
+ * \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 "error.h"
+#include "mode.h"
+
+#include <stdlib.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+typedef union
+{
+    AesNI_AES128_Key aes128_key;
+    AesNI_AES192_Key aes192_key;
+    AesNI_AES256_Key aes256_key;
+}
+AesNI_BoxKey;
+
+typedef union
+{
+    AesNI_AES128_RoundKeys aes128_encryption_keys;
+    AesNI_AES192_RoundKeys aes192_encryption_keys;
+    AesNI_AES256_RoundKeys aes256_encryption_keys;
+}
+AesNI_BoxEncryptionRoundKeys;
+
+typedef union
+{
+    AesNI_AES128_RoundKeys aes128_decryption_keys;
+    AesNI_AES192_RoundKeys aes192_decryption_keys;
+    AesNI_AES256_RoundKeys aes256_decryption_keys;
+}
+AesNI_BoxDecryptionRoundKeys;
+
+typedef union
+{
+    AesNI_AES128_KeyString aes128;
+    AesNI_AES192_KeyString aes192;
+    AesNI_AES256_KeyString aes256;
+}
+AesNI_BoxKeyString;
+
+typedef union
+{
+    AesNI_AES_Block aes_block;
+}
+AesNI_BoxBlock;
+
+typedef union
+{
+    AesNI_AES_BlockString aes;
+}
+AesNI_BoxBlockString;
+
+typedef AesNI_StatusCode (*AesNI_BoxCalculateRoundKeys)(
+    const AesNI_BoxKey* params,
+    AesNI_BoxEncryptionRoundKeys*,
+    AesNI_BoxDecryptionRoundKeys*,
+    AesNI_ErrorDetails* err_details);
+
+typedef AesNI_StatusCode (*AesNI_BoxParseBlock)(
+    AesNI_BoxBlock* dest,
+    const char* src,
+    AesNI_ErrorDetails* err_details);
+
+typedef AesNI_StatusCode (*AesNI_BoxParseKey)(
+    AesNI_BoxKey* dest,
+    const char* src,
+    AesNI_ErrorDetails* err_details);
+
+typedef AesNI_StatusCode (*AesNI_BoxFormatBlock)(
+    AesNI_BoxBlockString* dest,
+    const AesNI_BoxBlock* src,
+    AesNI_ErrorDetails* err_details);
+
+typedef AesNI_StatusCode (*AesNI_BoxFormatKey)(
+    AesNI_BoxKeyString* dest,
+    const AesNI_BoxKey* src,
+    AesNI_ErrorDetails* err_details);
+
+typedef AesNI_StatusCode (*AesNI_BoxEncryptBlock)(
+    const AesNI_BoxBlock* plaintext,
+    const AesNI_BoxEncryptionRoundKeys* params,
+    AesNI_BoxBlock* ciphertext,
+    AesNI_ErrorDetails* err_details);
+
+typedef AesNI_StatusCode (*AesNI_BoxDecryptBlock)(
+    const AesNI_BoxBlock* ciphertext,
+    const AesNI_BoxDecryptionRoundKeys* params,
+    AesNI_BoxBlock* plaintext,
+    AesNI_ErrorDetails* err_details);
+
+typedef AesNI_StatusCode (*AesNI_BoxXorBlock)(
+    AesNI_BoxBlock*,
+    const AesNI_BoxBlock*,
+    AesNI_ErrorDetails*);
+
+typedef AesNI_StatusCode (*AesNI_BoxIncBlock)(
+    AesNI_BoxBlock*,
+    AesNI_ErrorDetails*);
+
+typedef AesNI_StatusCode (*AesNI_BoxGetBlockSize)(
+    size_t*,
+    AesNI_ErrorDetails*);
+
+typedef AesNI_StatusCode (*AesNI_BoxStoreBlock)(
+    void*,
+    const AesNI_BoxBlock*,
+    AesNI_ErrorDetails*);
+
+typedef AesNI_StatusCode (*AesNI_BoxLoadBlock)(
+    AesNI_BoxBlock*,
+    const void*,
+    AesNI_ErrorDetails*);
+
+typedef struct
+{
+    AesNI_BoxCalculateRoundKeys calc_round_keys;
+    AesNI_BoxParseBlock parse_block;
+    AesNI_BoxParseKey parse_key;
+    AesNI_BoxFormatBlock format_block;
+    AesNI_BoxFormatKey format_key;
+    AesNI_BoxEncryptBlock encrypt_block;
+    AesNI_BoxDecryptBlock decrypt_block;
+    AesNI_BoxXorBlock xor_block;
+    AesNI_BoxIncBlock inc_block;
+    AesNI_BoxGetBlockSize get_block_size;
+    AesNI_BoxStoreBlock store_block;
+    AesNI_BoxLoadBlock load_block;
+}
+AesNI_BoxAlgorithmInterface;
+
+typedef struct
+{
+    const AesNI_BoxAlgorithmInterface* algorithm;
+    AesNI_BoxEncryptionRoundKeys encryption_keys;
+    AesNI_BoxDecryptionRoundKeys decryption_keys;
+    AesNI_Mode mode;
+    AesNI_BoxBlock iv;
+}
+AesNI_Box;
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/include/aes/data.h b/include/aes/data.h
new file mode 100644
index 0000000..94cff2c
--- /dev/null
+++ b/include/aes/data.h
@@ -0,0 +1,125 @@
+/**
+ * \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 <emmintrin.h>
+#include <tmmintrin.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/**
+ * \brief Represents a 128-bit block.
+ */
+typedef __m128i AesNI_Block128;
+
+/**
+ * \brief Loads a 128-bit block from a memory location.
+ *
+ * \param[in] src The pointer to a memory location. Must not be `NULL`.
+ *
+ * \return The loaded 128-bit block.
+ */
+static __inline AesNI_Block128 aesni_load_block128(const void* src)
+{
+    return _mm_loadu_si128((AesNI_Block128*) src);
+}
+
+/**
+ * \brief Loads a 128-bit block from a 16-byte aligned memory location.
+ *
+ * \param[in] src The pointer to a 16-byte aligned memory location. Must not be `NULL`.
+ *
+ * \return The loaded 128-bit block.
+ */
+static __inline AesNI_Block128 aesni_load_block128_aligned(const void* src)
+{
+    return _mm_load_si128((AesNI_Block128*) src);
+}
+
+/**
+ * \brief Stores a 128-bit block in a memory location.
+ *
+ * \param[out] dest The pointer to a memory location. Must not be `NULL`.
+ *
+ * \param[in] block The block to be stored.
+ */
+static __inline void __fastcall aesni_store_block128(
+    void* dest,
+    AesNI_Block128 block)
+{
+    _mm_storeu_si128((AesNI_Block128*) dest, block);
+}
+
+/**
+ * \brief Stores a 128-bit block in a 16-byte aligned memory location.
+ *
+ * \param[out] dest The pointer to a 16-byte aligned memory location. Must not be `NULL`.
+ *
+ * \param[in] block The block to be stored.
+ */
+static __inline void __fastcall aesni_store_block128_aligned(
+    void* dest,
+    AesNI_Block128 block)
+{
+    _mm_store_si128((AesNI_Block128*) dest, block);
+}
+
+/**
+ * \brief XORs two 128-bit blocks.
+ *
+ * \param[in] a The first XOR operand.
+ * \param[in] b The second XOR operand.
+ *
+ * \return `a^b`.
+ */
+static __inline AesNI_Block128 __fastcall aesni_xor_block128(
+    AesNI_Block128 a,
+    AesNI_Block128 b)
+{
+    return _mm_xor_si128(a, b);
+}
+
+/**
+ * \brief Builds a 128-bit block from four 4-byte values.
+ *
+ * Builds a 128-bit block like this:
+ *
+ * * dest[127:96] = hi3
+ * * dest[95:64] = hi2
+ * * dest[63:32] = lo1
+ * * dest[31:0] = lo0
+ *
+ * \param[in] hi3 The most significant 4-byte value.
+ * \param[in] hi2 The more significant 4-byte value.
+ * \param[in] lo1 The less significant 4-byte value.
+ * \param[in] lo0 The least significant 4-byte value.
+ *
+ * \return The built 128-bit block.
+ */
+static __inline AesNI_Block128 __fastcall aesni_make_block128(int hi3, int hi2, int lo1, int lo0)
+{
+    return _mm_set_epi32(hi3, hi2, lo1, lo0);
+}
+
+static __inline AesNI_Block128 __fastcall aesni_reverse_byte_order_block128(AesNI_Block128 block)
+{
+    return _mm_shuffle_epi8(block, aesni_make_block128(0x00010203, 0x04050607, 0x08090a0b, 0x0c0d0e0f));
+}
+
+static __inline AesNI_Block128 __fastcall aesni_inc_block128(AesNI_Block128 x)
+{
+    return _mm_add_epi32(x, aesni_make_block128(0, 0, 0, 1));
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/include/aes/error.h b/include/aes/error.h
new file mode 100644
index 0000000..a51284f
--- /dev/null
+++ b/include/aes/error.h
@@ -0,0 +1,184 @@
+/**
+ * \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
+
+/**
+ * \defgroup aesni_error_handling Error handling
+ * \ingroup aesni
+ * \brief Error data structures and formatting functions.
+ *
+ * Some library functions cannot fail, which is simple.
+ * Other functions return an error code.
+ * You can check if a function exited with an error by passing the returned
+ * error code to aesni_is_error().
+ *
+ * Some possibly-may-fail functions accept a pointer to an "error details"
+ * structure.
+ * This pointer can always be `NULL`.
+ * In this case, simply an error code is returned.
+ * Otherwise, the error details structure is filled with appropriate info about
+ * the error, possibly including a few details like invalid arguments names,
+ * etc.
+ *
+ * You can format an error details structure using the formatting functions.
+ * \{
+ */
+
+#include <stdlib.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/**
+ * \brief API status codes.
+ */
+typedef enum
+{
+    AESNI_SUCCESS,                     ///< Everything went fine
+    AESNI_NULL_ARGUMENT_ERROR,         ///< Invalid argument value NULL
+    AESNI_PARSE_ERROR,                 ///< Couldn't parse
+    AESNI_INVALID_PKCS7_PADDING_ERROR, ///< Invalid PKCS7 padding while decrypting
+    AESNI_NOT_IMPLEMENTED_ERROR,       ///< Not implemented
+    AESNI_MISSING_PADDING_ERROR,
+    AESNI_MEMORY_ALLOCATION_ERROR,
+}
+AesNI_StatusCode;
+
+static __inline int aesni_is_error(AesNI_StatusCode ec)
+{
+    return ec != AESNI_SUCCESS;
+}
+
+/**
+ * \brief Retrieves a simple error message for an error code.
+ *
+ * For example,
+ * \code{.c}
+ * printf("%s\n", aesni_strerror(AESNI_NULL_ARGUMENT_ERROR));
+ * \endcode
+ * would print
+ * \code
+ * Invalid argument value NULL
+ * \endcode
+ *
+ * \param[in] ec The error code.
+ * \return A pointer to a statically-allocated C string.
+ */
+const char* aesni_strerror(AesNI_StatusCode ec);
+
+#define AESNI_MAX_CALL_STACK_LENGTH 32
+
+/**
+ * \brief Stores error details: error code & possibly a few parameters.
+ */
+typedef struct
+{
+    AesNI_StatusCode ec; ///< Error code
+
+    union
+    {
+        struct { char param_name[32]; } null_arg;
+        struct
+        {
+            char src[128];
+            char what[32];
+        }
+        parse_error;
+        struct { char what[128]; } not_implemented;
+    }
+    params;
+
+    void* call_stack[AESNI_MAX_CALL_STACK_LENGTH];
+    size_t call_stack_size;
+}
+AesNI_ErrorDetails;
+
+/**
+ * \brief Extracts an error code from error details.
+ *
+ * \param[in] err_details The error details structure. Must not be `NULL`.
+ * \return The error code stored in the error details.
+ */
+static __inline AesNI_StatusCode aesni_get_error_code(
+    const AesNI_ErrorDetails* err_details)
+{
+    return err_details->ec;
+}
+
+/**
+ * \brief Formats a pretty error message, including error parameters.
+ *
+ * \param[in] err_details The pointer to error details. Must not be `NULL`.
+ * \param[out] dest The pointer to the destination string buffer.
+ * \param[in] dest_size The size of the destination buffer, in bytes.
+ * \return If `dest` is NULL, the number of bytes required to store the full
+ * error message, and the number of characters written (excluding the
+ * terminating '\0' character) otherwise.
+ */
+size_t aesni_format_error(
+    const AesNI_ErrorDetails* err_details,
+    char* dest,
+    size_t dest_size);
+
+/**
+ * \brief Initializes an error details structure.
+ *
+ * \param[out] err_details The error details structure to fill.
+ */
+AesNI_StatusCode aesni_success(
+    AesNI_ErrorDetails* err_details);
+
+/**
+ * \brief Builds error details from a `NULL` argument error.
+ *
+ * \param[out] err_details The error details structure to fill.
+ * \param[in] param_name The parameter name. Must not be `NULL`.
+ */
+AesNI_StatusCode aesni_error_null_argument(
+    AesNI_ErrorDetails* err_details,
+    const char* param_name);
+
+/**
+ * \brief Builds error details from a parse error.
+ *
+ * \param[out] err_details The error details structure to fill.
+ * \param[in] src The string that failed to be parsed.
+ */
+AesNI_StatusCode aesni_error_parse(
+    AesNI_ErrorDetails* err_details,
+    const char* src,
+    const char* what);
+
+/**
+ * \brief Builds error details from an invalid PKCS7 padding error.
+ *
+ * \param[out] err_details The error details structure to fill.
+ */
+AesNI_StatusCode aesni_error_invalid_pkcs7_padding(
+    AesNI_ErrorDetails* err_details);
+
+AesNI_StatusCode aesni_error_not_implemented(
+    AesNI_ErrorDetails* err_details,
+    const char* what);
+
+AesNI_StatusCode aesni_error_missing_padding(
+    AesNI_ErrorDetails* err_details);
+
+AesNI_StatusCode aesni_error_memory_allocation(
+    AesNI_ErrorDetails* err_details);
+
+#ifdef __cplusplus
+}
+#endif
+
+/**
+ * \}
+ */
diff --git a/include/aes/mode.h b/include/aes/mode.h
new file mode 100644
index 0000000..7650ec0
--- /dev/null
+++ b/include/aes/mode.h
@@ -0,0 +1,169 @@
+/**
+ * \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 <assert.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+typedef enum
+{
+    AESNI_ECB,
+    AESNI_CBC,
+    AESNI_CFB,
+    AESNI_OFB,
+    AESNI_CTR,
+}
+AesNI_Mode;
+
+#define AESNI_ENCRYPT_BLOCK_ECB(prefix) \
+static __inline AesNI_## prefix ##_Block __fastcall aesni_## prefix ##_encrypt_block_ECB( \
+    AesNI_## prefix ##_Block plaintext, \
+    const AesNI_## prefix ##_RoundKeys* encryption_keys) \
+{ \
+    assert(encryption_keys); \
+\
+    return aesni_## prefix ##_encrypt_block_(plaintext, encryption_keys); \
+}
+
+#define AESNI_DECRYPT_BLOCK_ECB(prefix) \
+static __inline AesNI_## prefix ##_Block  __fastcall aesni_## prefix ##_decrypt_block_ECB( \
+    AesNI_## prefix ##_Block ciphertext, \
+    const AesNI_## prefix ##_RoundKeys* decryption_keys) \
+{ \
+    assert(decryption_keys); \
+\
+    return aesni_## prefix ##_decrypt_block_(ciphertext, decryption_keys); \
+}
+
+#define AESNI_ENCRYPT_BLOCK_CBC(prefix) \
+static __inline AesNI_## prefix ##_Block __fastcall aesni_## prefix ##_encrypt_block_CBC( \
+    AesNI_## prefix ##_Block plaintext, \
+    const AesNI_## prefix ##_RoundKeys* encryption_keys, \
+    AesNI_## prefix ##_Block init_vector, \
+    AesNI_## prefix ##_Block* next_init_vector) \
+{ \
+    assert(encryption_keys); \
+    assert(next_init_vector); \
+\
+    return *next_init_vector = aesni_## prefix ##_encrypt_block_( \
+        aesni_## prefix ##_xor_blocks(plaintext, init_vector), encryption_keys); \
+}
+
+#define AESNI_DECRYPT_BLOCK_CBC(prefix) \
+static __inline AesNI_## prefix ##_Block __fastcall aesni_## prefix ##_decrypt_block_CBC( \
+    AesNI_## prefix ##_Block ciphertext, \
+    const AesNI_## prefix ##_RoundKeys* decryption_keys, \
+    AesNI_## prefix ##_Block init_vector, \
+    AesNI_## prefix ##_Block* next_init_vector) \
+{ \
+    assert(decryption_keys); \
+    assert(next_init_vector); \
+\
+    AesNI_## prefix ##_Block plaintext = aesni_## prefix ##_xor_blocks( \
+        aesni_## prefix ##_decrypt_block_(ciphertext, decryption_keys), init_vector); \
+    *next_init_vector = ciphertext; \
+    return plaintext; \
+}
+
+#define AESNI_ENCRYPT_BLOCK_CFB(prefix) \
+static __inline AesNI_## prefix ##_Block __fastcall aesni_## prefix ##_encrypt_block_CFB( \
+    AesNI_## prefix ##_Block plaintext, \
+    const AesNI_## prefix ##_RoundKeys* encryption_keys, \
+    AesNI_## prefix ##_Block init_vector, \
+    AesNI_## prefix ##_Block* next_init_vector) \
+{ \
+    assert(encryption_keys); \
+    assert(next_init_vector); \
+\
+    return *next_init_vector = aesni_## prefix ##_xor_blocks( \
+        aesni_## prefix ##_encrypt_block_(init_vector, encryption_keys), plaintext); \
+}
+
+#define AESNI_DECRYPT_BLOCK_CFB(prefix) \
+static __inline AesNI_## prefix ##_Block __fastcall aesni_## prefix ##_decrypt_block_CFB( \
+    AesNI_## prefix ##_Block ciphertext, \
+    const AesNI_## prefix ##_RoundKeys* encryption_keys, \
+    AesNI_## prefix ##_Block init_vector, \
+    AesNI_## prefix ##_Block* next_init_vector) \
+{ \
+    assert(encryption_keys); \
+    assert(next_init_vector); \
+\
+    AesNI_## prefix ##_Block plaintext = aesni_## prefix ##_xor_blocks( \
+        aesni_## prefix ##_encrypt_block_(init_vector, encryption_keys), ciphertext); \
+    *next_init_vector = ciphertext; \
+    return plaintext; \
+}
+
+#define AESNI_ENCRYPT_BLOCK_OFB(prefix) \
+static __inline AesNI_## prefix ##_Block __fastcall aesni_## prefix ##_encrypt_block_OFB( \
+    AesNI_## prefix ##_Block plaintext, \
+    const AesNI_## prefix ##_RoundKeys* encryption_keys, \
+    AesNI_## prefix ##_Block init_vector, \
+    AesNI_## prefix ##_Block* next_init_vector) \
+{ \
+    assert(encryption_keys); \
+    assert(next_init_vector); \
+\
+    AesNI_## prefix ##_Block tmp = aesni_## prefix ##_encrypt_block_(init_vector, encryption_keys); \
+    *next_init_vector = tmp; \
+    return aesni_## prefix ##_xor_blocks(tmp, plaintext); \
+}
+
+#define AESNI_DECRYPT_BLOCK_OFB(prefix) \
+static __inline AesNI_## prefix ##_Block __fastcall aesni_## prefix ##_decrypt_block_OFB( \
+    AesNI_## prefix ##_Block ciphertext, \
+    const AesNI_## prefix ##_RoundKeys* encryption_keys, \
+    AesNI_## prefix ##_Block init_vector, \
+    AesNI_## prefix ##_Block* next_init_vector) \
+{ \
+    assert(encryption_keys); \
+    assert(next_init_vector); \
+\
+    return aesni_## prefix ##_encrypt_block_OFB( \
+        ciphertext, encryption_keys, init_vector, next_init_vector); \
+}
+
+#define AESNI_ENCRYPT_BLOCK_CTR(prefix) \
+static __inline AesNI_## prefix ##_Block __fastcall aesni_## prefix ##_encrypt_block_CTR( \
+    AesNI_## prefix ##_Block plaintext, \
+    const AesNI_## prefix ##_RoundKeys* encryption_keys, \
+    AesNI_## prefix ##_Block init_vector, \
+    AesNI_## prefix ##_Block* next_init_vector) \
+{ \
+    assert(encryption_keys); \
+    assert(next_init_vector); \
+\
+    AesNI_## prefix ##_Block ciphertext = aesni_## prefix ##_xor_blocks( \
+        plaintext, aesni_## prefix ##_encrypt_block_(init_vector, encryption_keys)); \
+    *next_init_vector = aesni_## prefix ##_inc_block(init_vector); \
+    return ciphertext; \
+}
+
+#define AESNI_DECRYPT_BLOCK_CTR(prefix) \
+static __inline AesNI_## prefix ##_Block __fastcall aesni_## prefix ##_decrypt_block_CTR( \
+    AesNI_## prefix ##_Block ciphertext, \
+    const AesNI_## prefix ##_RoundKeys* encryption_keys, \
+    AesNI_## prefix ##_Block init_vector, \
+    AesNI_## prefix ##_Block* next_init_vector) \
+{ \
+    assert(encryption_keys); \
+    assert(next_init_vector); \
+\
+    return aesni_## prefix ##_encrypt_block_CTR( \
+        ciphertext, encryption_keys, init_vector, next_init_vector); \
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/include/aes/padding.h b/include/aes/padding.h
new file mode 100644
index 0000000..7f19b18
--- /dev/null
+++ b/include/aes/padding.h
@@ -0,0 +1,41 @@
+/**
+ * \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"
+
+#include <stdlib.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+typedef enum
+{
+    AESNI_PADDING_PKCS7,
+}
+AesNI_PaddingMethod;
+
+AesNI_StatusCode aesni_extract_padding_size(
+    AesNI_PaddingMethod,
+    const void* src,
+    size_t src_size,
+    size_t* padding_size,
+    AesNI_ErrorDetails*);
+
+AesNI_StatusCode aesni_fill_with_padding(
+    AesNI_PaddingMethod,
+    void* dest,
+    size_t padding_size,
+    AesNI_ErrorDetails*);
+
+#ifdef __cplusplus
+}
+#endif