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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ASM_X86_CAMELLIA_H
#define ASM_X86_CAMELLIA_H
#include <crypto/b128ops.h>
#include <linux/crypto.h>
#include <linux/kernel.h>
#define CAMELLIA_MIN_KEY_SIZE 16
#define CAMELLIA_MAX_KEY_SIZE 32
#define CAMELLIA_BLOCK_SIZE 16
#define CAMELLIA_TABLE_BYTE_LEN 272
#define CAMELLIA_PARALLEL_BLOCKS 2
struct crypto_skcipher;
struct camellia_ctx {
u64 key_table[CAMELLIA_TABLE_BYTE_LEN / sizeof(u64)];
u32 key_length;
};
struct camellia_xts_ctx {
struct camellia_ctx tweak_ctx;
struct camellia_ctx crypt_ctx;
};
extern int __camellia_setkey(struct camellia_ctx *cctx,
const unsigned char *key,
unsigned int key_len, u32 *flags);
extern int xts_camellia_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keylen);
/* regular block cipher functions */
asmlinkage void __camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst,
const u8 *src, bool xor);
asmlinkage void camellia_dec_blk(struct camellia_ctx *ctx, u8 *dst,
const u8 *src);
/* 2-way parallel cipher functions */
asmlinkage void __camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst,
const u8 *src, bool xor);
asmlinkage void camellia_dec_blk_2way(struct camellia_ctx *ctx, u8 *dst,
const u8 *src);
/* 16-way parallel cipher functions (avx/aes-ni) */
asmlinkage void camellia_ecb_enc_16way(struct camellia_ctx *ctx, u8 *dst,
const u8 *src);
asmlinkage void camellia_ecb_dec_16way(struct camellia_ctx *ctx, u8 *dst,
const u8 *src);
asmlinkage void camellia_cbc_dec_16way(struct camellia_ctx *ctx, u8 *dst,
const u8 *src);
asmlinkage void camellia_ctr_16way(struct camellia_ctx *ctx, u8 *dst,
const u8 *src, le128 *iv);
asmlinkage void camellia_xts_enc_16way(struct camellia_ctx *ctx, u8 *dst,
const u8 *src, le128 *iv);
asmlinkage void camellia_xts_dec_16way(struct camellia_ctx *ctx, u8 *dst,
const u8 *src, le128 *iv);
static inline void camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst,
const u8 *src)
{
__camellia_enc_blk(ctx, dst, src, false);
}
static inline void camellia_enc_blk_xor(struct camellia_ctx *ctx, u8 *dst,
const u8 *src)
{
__camellia_enc_blk(ctx, dst, src, true);
}
static inline void camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst,
const u8 *src)
{
__camellia_enc_blk_2way(ctx, dst, src, false);
}
static inline void camellia_enc_blk_xor_2way(struct camellia_ctx *ctx, u8 *dst,
const u8 *src)
{
__camellia_enc_blk_2way(ctx, dst, src, true);
}
/* glue helpers */
extern void camellia_decrypt_cbc_2way(void *ctx, u128 *dst, const u128 *src);
extern void camellia_crypt_ctr(void *ctx, u128 *dst, const u128 *src,
le128 *iv);
extern void camellia_crypt_ctr_2way(void *ctx, u128 *dst, const u128 *src,
le128 *iv);
extern void camellia_xts_enc(void *ctx, u128 *dst, const u128 *src, le128 *iv);
extern void camellia_xts_dec(void *ctx, u128 *dst, const u128 *src, le128 *iv);
#endif /* ASM_X86_CAMELLIA_H */