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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/x86/crypto/camellia.h
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/* SPDX-License-Identifier: GPL-2.0 */

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#ifndef ASM_X86_CAMELLIA_H

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#define ASM_X86_CAMELLIA_H

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#include <crypto/b128ops.h>

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#include <linux/crypto.h>

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#include <linux/kernel.h>

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#define CAMELLIA_MIN_KEY_SIZE	16

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#define CAMELLIA_MAX_KEY_SIZE	32

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#define CAMELLIA_BLOCK_SIZE	16

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#define CAMELLIA_TABLE_BYTE_LEN	272

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#define CAMELLIA_PARALLEL_BLOCKS 2

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struct crypto_skcipher;

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struct camellia_ctx {

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	u64 key_table[CAMELLIA_TABLE_BYTE_LEN / sizeof(u64)];

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	u32 key_length;

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};

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extern int __camellia_setkey(struct camellia_ctx *cctx,

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			     const unsigned char *key,

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			     unsigned int key_len);

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/* regular block cipher functions */

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asmlinkage void __camellia_enc_blk(const void *ctx, u8 *dst, const u8 *src,

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				   bool xor);

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asmlinkage void camellia_dec_blk(const void *ctx, u8 *dst, const u8 *src);

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/* 2-way parallel cipher functions */

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asmlinkage void __camellia_enc_blk_2way(const void *ctx, u8 *dst, const u8 *src,

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					bool xor);

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asmlinkage void camellia_dec_blk_2way(const void *ctx, u8 *dst, const u8 *src);

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/* 16-way parallel cipher functions (avx/aes-ni) */

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asmlinkage void camellia_ecb_enc_16way(const void *ctx, u8 *dst, const u8 *src);

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asmlinkage void camellia_ecb_dec_16way(const void *ctx, u8 *dst, const u8 *src);

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asmlinkage void camellia_cbc_dec_16way(const void *ctx, u8 *dst, const u8 *src);

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static inline void camellia_enc_blk(const void *ctx, u8 *dst, const u8 *src)

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{

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	__camellia_enc_blk(ctx, dst, src, false);

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}

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static inline void camellia_enc_blk_xor(const void *ctx, u8 *dst, const u8 *src)

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{

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	__camellia_enc_blk(ctx, dst, src, true);

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}

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static inline void camellia_enc_blk_2way(const void *ctx, u8 *dst,

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					 const u8 *src)

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{

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	__camellia_enc_blk_2way(ctx, dst, src, false);

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}

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static inline void camellia_enc_blk_xor_2way(const void *ctx, u8 *dst,

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					     const u8 *src)

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{

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	__camellia_enc_blk_2way(ctx, dst, src, true);

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}

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/* glue helpers */

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extern void camellia_decrypt_cbc_2way(const void *ctx, u8 *dst, const u8 *src);

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#endif /* ASM_X86_CAMELLIA_H */

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