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TOMOYO Linux Cross Reference
Linux/include/crypto/sm4.h

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  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 
  3 /*
  4  * Common values for the SM4 algorithm
  5  * Copyright (C) 2018 ARM Limited or its affiliates.
  6  */
  7 
  8 #ifndef _CRYPTO_SM4_H
  9 #define _CRYPTO_SM4_H
 10 
 11 #include <linux/types.h>
 12 #include <linux/crypto.h>
 13 
 14 #define SM4_KEY_SIZE    16
 15 #define SM4_BLOCK_SIZE  16
 16 #define SM4_RKEY_WORDS  32
 17 
 18 struct crypto_sm4_ctx {
 19         u32 rkey_enc[SM4_RKEY_WORDS];
 20         u32 rkey_dec[SM4_RKEY_WORDS];
 21 };
 22 
 23 int crypto_sm4_set_key(struct crypto_tfm *tfm, const u8 *in_key,
 24                        unsigned int key_len);
 25 int crypto_sm4_expand_key(struct crypto_sm4_ctx *ctx, const u8 *in_key,
 26                           unsigned int key_len);
 27 
 28 void crypto_sm4_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in);
 29 void crypto_sm4_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in);
 30 
 31 #endif
 32 

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