Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /* 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * DES & Triple DES EDE Cipher Algorithms.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #ifndef __CRYPTO_DES_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #define __CRYPTO_DES_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define DES_KEY_SIZE		8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define DES_EXPKEY_WORDS	32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define DES_BLOCK_SIZE		8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define DES3_EDE_KEY_SIZE	(3 * DES_KEY_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define DES3_EDE_EXPKEY_WORDS	(3 * DES_EXPKEY_WORDS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define DES3_EDE_BLOCK_SIZE	DES_BLOCK_SIZE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) struct des_ctx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	u32 expkey[DES_EXPKEY_WORDS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct des3_ede_ctx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	u32 expkey[DES3_EDE_EXPKEY_WORDS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) void des_encrypt(const struct des_ctx *ctx, u8 *dst, const u8 *src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) void des_decrypt(const struct des_ctx *ctx, u8 *dst, const u8 *src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) void des3_ede_encrypt(const struct des3_ede_ctx *dctx, u8 *dst, const u8 *src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) void des3_ede_decrypt(const struct des3_ede_ctx *dctx, u8 *dst, const u8 *src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)  * des_expand_key - Expand a DES input key into a key schedule
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)  * @ctx: the key schedule
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)  * @key: buffer containing the input key
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)  * @len: size of the buffer contents
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)  * Returns 0 on success, -EINVAL if the input key is rejected and -ENOKEY if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)  * the key is accepted but has been found to be weak.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) int des_expand_key(struct des_ctx *ctx, const u8 *key, unsigned int keylen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)  * des3_ede_expand_key - Expand a triple DES input key into a key schedule
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)  * @ctx: the key schedule
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)  * @key: buffer containing the input key
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)  * @len: size of the buffer contents
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)  * Returns 0 on success, -EINVAL if the input key is rejected and -ENOKEY if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)  * the key is accepted but has been found to be weak. Note that weak keys will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)  * be rejected (and -EINVAL will be returned) when running in FIPS mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) int des3_ede_expand_key(struct des3_ede_ctx *ctx, const u8 *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 			unsigned int keylen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #endif /* __CRYPTO_DES_H */