add "boxes" as a uniform encryption interface

CTR is not yet supported.

4 files changed, 122 insertions, 0 deletions

diff --git a/include/aesni/algorithm.h b/include/aesni/algorithm.h
new file mode 100644
index 0000000..8aacfdc
--- /dev/null
+++ b/include/aesni/algorithm.h
@@ -0,0 +1,17 @@
+/**
+ * \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 350e4dd..70f5e7e 100644
--- a/include/aesni/all.h
+++ b/include/aesni/all.h
@@ -15,8 +15,11 @@
  * \defgroup aesni AesNI
  */
 
+#include "algorithm.h"
 #include "block.h"
+#include "box.h"
 #include "buffer.h"
 #include "data.h"
 #include "error.h"
+#include "mode.h"
 #include "raw.h"
diff --git a/include/aesni/box.h b/include/aesni/box.h
new file mode 100644
index 0000000..2ae6533
--- /dev/null
+++ b/include/aesni/box.h
@@ -0,0 +1,83 @@
+/**
+ * \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 "data.h"
+#include "error.h"
+#include "mode.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+typedef union
+{
+    AesNI_KeySchedule128 aes128_key_schedule;
+    AesNI_KeySchedule192 aes192_key_schedule;
+    AesNI_KeySchedule256 aes256_key_schedule;
+}
+AesNI_EncryptionParams;
+
+typedef union
+{
+    AesNI_KeySchedule128 aes128_key_schedule;
+    AesNI_KeySchedule192 aes192_key_schedule;
+    AesNI_KeySchedule256 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_ErrorDetails*);
+
+AesNI_StatusCode aesni_box_encrypt(
+    AesNI_Box*,
+    const AesNI_State*,
+    AesNI_State*,
+    AesNI_ErrorDetails*);
+
+AesNI_StatusCode aesni_box_decrypt(
+    AesNI_Box*,
+    const AesNI_State*,
+    AesNI_State*,
+    AesNI_ErrorDetails*);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/include/aesni/mode.h b/include/aesni/mode.h
new file mode 100644
index 0000000..fc00e9c
--- /dev/null
+++ b/include/aesni/mode.h
@@ -0,0 +1,19 @@
+/**
+ * \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;