5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
32 lines
754 B
C
32 lines
754 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Common values for the SM4 algorithm
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* Copyright (C) 2018 ARM Limited or its affiliates.
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*/
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#ifndef _CRYPTO_SM4_H
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#define _CRYPTO_SM4_H
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#include <linux/types.h>
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#include <linux/crypto.h>
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#define SM4_KEY_SIZE 16
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#define SM4_BLOCK_SIZE 16
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#define SM4_RKEY_WORDS 32
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struct crypto_sm4_ctx {
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u32 rkey_enc[SM4_RKEY_WORDS];
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u32 rkey_dec[SM4_RKEY_WORDS];
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};
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int crypto_sm4_set_key(struct crypto_tfm *tfm, const u8 *in_key,
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unsigned int key_len);
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int crypto_sm4_expand_key(struct crypto_sm4_ctx *ctx, const u8 *in_key,
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unsigned int key_len);
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void crypto_sm4_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in);
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void crypto_sm4_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in);
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#endif
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