97 lines
3 KiB
C
97 lines
3 KiB
C
/* 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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struct camellia_xts_ctx {
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struct camellia_ctx tweak_ctx;
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struct camellia_ctx crypt_ctx;
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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, u32 *flags);
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extern int xts_camellia_setkey(struct crypto_skcipher *tfm, const u8 *key,
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unsigned int keylen);
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/* regular block cipher functions */
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asmlinkage void __camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst,
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const u8 *src, bool xor);
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asmlinkage void camellia_dec_blk(struct camellia_ctx *ctx, u8 *dst,
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const u8 *src);
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/* 2-way parallel cipher functions */
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asmlinkage void __camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst,
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const u8 *src, bool xor);
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asmlinkage void camellia_dec_blk_2way(struct camellia_ctx *ctx, u8 *dst,
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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(struct camellia_ctx *ctx, u8 *dst,
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const u8 *src);
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asmlinkage void camellia_ecb_dec_16way(struct camellia_ctx *ctx, u8 *dst,
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const u8 *src);
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asmlinkage void camellia_cbc_dec_16way(struct camellia_ctx *ctx, u8 *dst,
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const u8 *src);
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asmlinkage void camellia_ctr_16way(struct camellia_ctx *ctx, u8 *dst,
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const u8 *src, le128 *iv);
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asmlinkage void camellia_xts_enc_16way(struct camellia_ctx *ctx, u8 *dst,
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const u8 *src, le128 *iv);
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asmlinkage void camellia_xts_dec_16way(struct camellia_ctx *ctx, u8 *dst,
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const u8 *src, le128 *iv);
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static inline void camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst,
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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(struct camellia_ctx *ctx, u8 *dst,
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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(struct camellia_ctx *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(struct camellia_ctx *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(void *ctx, u128 *dst, const u128 *src);
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extern void camellia_crypt_ctr(void *ctx, u128 *dst, const u128 *src,
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le128 *iv);
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extern void camellia_crypt_ctr_2way(void *ctx, u128 *dst, const u128 *src,
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le128 *iv);
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extern void camellia_xts_enc(void *ctx, u128 *dst, const u128 *src, le128 *iv);
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extern void camellia_xts_dec(void *ctx, u128 *dst, const u128 *src, le128 *iv);
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#endif /* ASM_X86_CAMELLIA_H */
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