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53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
#ifndef __RIJNDAEL_H
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#define __RIJNDAEL_H
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#include "kirk_engine.h"
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#define AES_KEY_LEN_128 (128)
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#define AES_KEY_LEN_192 (192)
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#define AES_KEY_LEN_256 (256)
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#define AES_BUFFER_SIZE (16)
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#define AES_MAXKEYBITS (256)
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#define AES_MAXKEYBYTES (AES_MAXKEYBITS/8)
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/* for 256-bit keys, fewer for less */
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#define AES_MAXROUNDS 14
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#define pwuAESContextBuffer rijndael_ctx
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/* The structure for key information */
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typedef struct
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{
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int enc_only; /* context contains only encrypt schedule */
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int Nr; /* key-length-dependent number of rounds */
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u32 ek[4*(AES_MAXROUNDS + 1)]; /* encrypt key schedule */
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u32 dk[4*(AES_MAXROUNDS + 1)]; /* decrypt key schedule */
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} rijndael_ctx;
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typedef struct
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{
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int enc_only; /* context contains only encrypt schedule */
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int Nr; /* key-length-dependent number of rounds */
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u32 ek[4*(AES_MAXROUNDS + 1)]; /* encrypt key schedule */
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u32 dk[4*(AES_MAXROUNDS + 1)]; /* decrypt key schedule */
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} AES_ctx;
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int rijndael_set_key(rijndael_ctx *, const u8 *, int);
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int rijndael_set_key_enc_only(rijndael_ctx *, const u8 *, int);
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void rijndael_decrypt(rijndael_ctx *, const u8 *, u8 *);
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void rijndael_encrypt(rijndael_ctx *, const u8 *, u8 *);
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int AES_set_key(AES_ctx *ctx, const u8 *key, int bits);
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void AES_encrypt(AES_ctx *ctx, const u8 *src, u8 *dst);
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void AES_decrypt(AES_ctx *ctx, const u8 *src, u8 *dst);
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void AES_cbc_encrypt(AES_ctx *ctx, u8 *src, u8 *dst, int size);
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void AES_cbc_decrypt(AES_ctx *ctx, u8 *src, u8 *dst, int size);
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void AES_CMAC(AES_ctx *ctx, unsigned char *input, int length, unsigned char *mac);
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int rijndaelKeySetupEnc(unsigned int [], const unsigned char [], int);
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int rijndaelKeySetupDec(unsigned int [], const unsigned char [], int);
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void rijndaelEncrypt(const unsigned int [], int, const unsigned char [],
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unsigned char []);
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#endif /* __RIJNDAEL_H */
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