From f19f813537c7aea1c20749c914e756b54a9c3cf5 Mon Sep 17 00:00:00 2001
From: Igor Pavlov <87184205+ip7z@users.noreply.github.com>
Date: Mon, 27 Dec 2021 00:00:00 +0000
Subject: '21.07'

---
 C/Aes.h | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 C/Aes.h

(limited to 'C/Aes.h')

diff --git a/C/Aes.h b/C/Aes.h
new file mode 100644
index 0000000..2aa2256
--- /dev/null
+++ b/C/Aes.h
@@ -0,0 +1,60 @@
+/* Aes.h -- AES encryption / decryption
+2018-04-28 : Igor Pavlov : Public domain */
+
+#ifndef __AES_H
+#define __AES_H
+
+#include "7zTypes.h"
+
+EXTERN_C_BEGIN
+
+#define AES_BLOCK_SIZE 16
+
+/* Call AesGenTables one time before other AES functions */
+void AesGenTables(void);
+
+/* UInt32 pointers must be 16-byte aligned */
+
+/* 16-byte (4 * 32-bit words) blocks: 1 (IV) + 1 (keyMode) + 15 (AES-256 roundKeys) */
+#define AES_NUM_IVMRK_WORDS ((1 + 1 + 15) * 4)
+
+/* aes - 16-byte aligned pointer to keyMode+roundKeys sequence */
+/* keySize = 16 or 24 or 32 (bytes) */
+typedef void (MY_FAST_CALL *AES_SET_KEY_FUNC)(UInt32 *aes, const Byte *key, unsigned keySize);
+void MY_FAST_CALL Aes_SetKey_Enc(UInt32 *aes, const Byte *key, unsigned keySize);
+void MY_FAST_CALL Aes_SetKey_Dec(UInt32 *aes, const Byte *key, unsigned keySize);
+
+/* ivAes - 16-byte aligned pointer to iv+keyMode+roundKeys sequence: UInt32[AES_NUM_IVMRK_WORDS] */
+void AesCbc_Init(UInt32 *ivAes, const Byte *iv); /* iv size is AES_BLOCK_SIZE */
+
+/* data - 16-byte aligned pointer to data */
+/* numBlocks - the number of 16-byte blocks in data array */
+typedef void (MY_FAST_CALL *AES_CODE_FUNC)(UInt32 *ivAes, Byte *data, size_t numBlocks);
+
+extern AES_CODE_FUNC g_AesCbc_Decode;
+#ifndef _SFX
+extern AES_CODE_FUNC g_AesCbc_Encode;
+extern AES_CODE_FUNC g_AesCtr_Code;
+#define k_Aes_SupportedFunctions_HW     (1 << 2)
+#define k_Aes_SupportedFunctions_HW_256 (1 << 3)
+extern UInt32 g_Aes_SupportedFunctions_Flags;
+#endif
+
+
+#define DECLARE__AES_CODE_FUNC(funcName) \
+    void MY_FAST_CALL funcName(UInt32 *ivAes, Byte *data, size_t numBlocks);
+
+DECLARE__AES_CODE_FUNC (AesCbc_Encode)
+DECLARE__AES_CODE_FUNC (AesCbc_Decode)
+DECLARE__AES_CODE_FUNC (AesCtr_Code)
+
+DECLARE__AES_CODE_FUNC (AesCbc_Encode_HW)
+DECLARE__AES_CODE_FUNC (AesCbc_Decode_HW)
+DECLARE__AES_CODE_FUNC (AesCtr_Code_HW)
+
+DECLARE__AES_CODE_FUNC (AesCbc_Decode_HW_256)
+DECLARE__AES_CODE_FUNC (AesCtr_Code_HW_256)
+
+EXTERN_C_END
+
+#endif
-- 
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