1#ifndef ASM_X86_CAMELLIA_H
2#define ASM_X86_CAMELLIA_H
3
4#include <linux/kernel.h>
5#include <linux/crypto.h>
6
7#define CAMELLIA_MIN_KEY_SIZE	16
8#define CAMELLIA_MAX_KEY_SIZE	32
9#define CAMELLIA_BLOCK_SIZE	16
10#define CAMELLIA_TABLE_BYTE_LEN	272
11#define CAMELLIA_PARALLEL_BLOCKS 2
12
13struct camellia_ctx {
14	u64 key_table[CAMELLIA_TABLE_BYTE_LEN / sizeof(u64)];
15	u32 key_length;
16};
17
18struct camellia_lrw_ctx {
19	struct lrw_table_ctx lrw_table;
20	struct camellia_ctx camellia_ctx;
21};
22
23struct camellia_xts_ctx {
24	struct camellia_ctx tweak_ctx;
25	struct camellia_ctx crypt_ctx;
26};
27
28extern int __camellia_setkey(struct camellia_ctx *cctx,
29			     const unsigned char *key,
30			     unsigned int key_len, u32 *flags);
31
32extern int lrw_camellia_setkey(struct crypto_tfm *tfm, const u8 *key,
33			       unsigned int keylen);
34extern void lrw_camellia_exit_tfm(struct crypto_tfm *tfm);
35
36extern int xts_camellia_setkey(struct crypto_tfm *tfm, const u8 *key,
37			       unsigned int keylen);
38
39/* regular block cipher functions */
40asmlinkage void __camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst,
41				   const u8 *src, bool xor);
42asmlinkage void camellia_dec_blk(struct camellia_ctx *ctx, u8 *dst,
43				 const u8 *src);
44
45/* 2-way parallel cipher functions */
46asmlinkage void __camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst,
47					const u8 *src, bool xor);
48asmlinkage void camellia_dec_blk_2way(struct camellia_ctx *ctx, u8 *dst,
49				      const u8 *src);
50
51/* 16-way parallel cipher functions (avx/aes-ni) */
52asmlinkage void camellia_ecb_enc_16way(struct camellia_ctx *ctx, u8 *dst,
53				       const u8 *src);
54asmlinkage void camellia_ecb_dec_16way(struct camellia_ctx *ctx, u8 *dst,
55				       const u8 *src);
56
57asmlinkage void camellia_cbc_dec_16way(struct camellia_ctx *ctx, u8 *dst,
58				       const u8 *src);
59asmlinkage void camellia_ctr_16way(struct camellia_ctx *ctx, u8 *dst,
60				   const u8 *src, le128 *iv);
61
62asmlinkage void camellia_xts_enc_16way(struct camellia_ctx *ctx, u8 *dst,
63				       const u8 *src, le128 *iv);
64asmlinkage void camellia_xts_dec_16way(struct camellia_ctx *ctx, u8 *dst,
65				       const u8 *src, le128 *iv);
66
67static inline void camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst,
68				    const u8 *src)
69{
70	__camellia_enc_blk(ctx, dst, src, false);
71}
72
73static inline void camellia_enc_blk_xor(struct camellia_ctx *ctx, u8 *dst,
74					const u8 *src)
75{
76	__camellia_enc_blk(ctx, dst, src, true);
77}
78
79static inline void camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst,
80					 const u8 *src)
81{
82	__camellia_enc_blk_2way(ctx, dst, src, false);
83}
84
85static inline void camellia_enc_blk_xor_2way(struct camellia_ctx *ctx, u8 *dst,
86					     const u8 *src)
87{
88	__camellia_enc_blk_2way(ctx, dst, src, true);
89}
90
91/* glue helpers */
92extern void camellia_decrypt_cbc_2way(void *ctx, u128 *dst, const u128 *src);
93extern void camellia_crypt_ctr(void *ctx, u128 *dst, const u128 *src,
94			       le128 *iv);
95extern void camellia_crypt_ctr_2way(void *ctx, u128 *dst, const u128 *src,
96				    le128 *iv);
97
98extern void camellia_xts_enc(void *ctx, u128 *dst, const u128 *src, le128 *iv);
99extern void camellia_xts_dec(void *ctx, u128 *dst, const u128 *src, le128 *iv);
100
101#endif /* ASM_X86_CAMELLIA_H */
102