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+/* Aes.h -- AES encryption / decryption
+2013-01-18 : 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_Encode;
+extern AES_CODE_FUNC g_AesCbc_Decode;
+extern AES_CODE_FUNC g_AesCtr_Code;
+
+EXTERN_C_END
+
+#endif