1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef ASM_X86_CAMELLIA_H 3 #define ASM_X86_CAMELLIA_H 4 5 #include <crypto/b128ops.h> 6 #include <linux/crypto.h> 7 #include <linux/kernel.h> 8 9 #define CAMELLIA_MIN_KEY_SIZE 16 10 #define CAMELLIA_MAX_KEY_SIZE 32 11 #define CAMELLIA_BLOCK_SIZE 16 12 #define CAMELLIA_TABLE_BYTE_LEN 272 13 #define CAMELLIA_PARALLEL_BLOCKS 2 14 15 struct crypto_skcipher; 16 17 struct camellia_ctx { 18 u64 key_table[CAMELLIA_TABLE_BYTE_LEN / sizeof(u64)]; 19 u32 key_length; 20 }; 21 22 extern int __camellia_setkey(struct camellia_ctx *cctx, 23 const unsigned char *key, 24 unsigned int key_len); 25 26 /* regular block cipher functions */ 27 asmlinkage void __camellia_enc_blk(const void *ctx, u8 *dst, const u8 *src, 28 bool xor); 29 asmlinkage void camellia_dec_blk(const void *ctx, u8 *dst, const u8 *src); 30 31 /* 2-way parallel cipher functions */ 32 asmlinkage void __camellia_enc_blk_2way(const void *ctx, u8 *dst, const u8 *src, 33 bool xor); 34 asmlinkage void camellia_dec_blk_2way(const void *ctx, u8 *dst, const u8 *src); 35 36 /* 16-way parallel cipher functions (avx/aes-ni) */ 37 asmlinkage void camellia_ecb_enc_16way(const void *ctx, u8 *dst, const u8 *src); 38 asmlinkage void camellia_ecb_dec_16way(const void *ctx, u8 *dst, const u8 *src); 39 40 asmlinkage void camellia_cbc_dec_16way(const void *ctx, u8 *dst, const u8 *src); 41 42 static inline void camellia_enc_blk(const void *ctx, u8 *dst, const u8 *src) 43 { 44 __camellia_enc_blk(ctx, dst, src, false); 45 } 46 47 static inline void camellia_enc_blk_xor(const void *ctx, u8 *dst, const u8 *src) 48 { 49 __camellia_enc_blk(ctx, dst, src, true); 50 } 51 52 static inline void camellia_enc_blk_2way(const void *ctx, u8 *dst, 53 const u8 *src) 54 { 55 __camellia_enc_blk_2way(ctx, dst, src, false); 56 } 57 58 static inline void camellia_enc_blk_xor_2way(const void *ctx, u8 *dst, 59 const u8 *src) 60 { 61 __camellia_enc_blk_2way(ctx, dst, src, true); 62 } 63 64 /* glue helpers */ 65 extern void camellia_decrypt_cbc_2way(const void *ctx, u8 *dst, const u8 *src); 66 67 #endif /* ASM_X86_CAMELLIA_H */ 68