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31 lines
754 B
31 lines
754 B
/* 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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