[linux-block.git] / fs / ksmbd / crypto_ctx.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *   Copyright (C) 2019 Samsung Electronics Co., Ltd.
 */

#ifndef __CRYPTO_CTX_H__
#define __CRYPTO_CTX_H__

#include <crypto/hash.h>
#include <crypto/aead.h>

enum {
	CRYPTO_SHASH_HMACMD5	= 0,
	CRYPTO_SHASH_HMACSHA256,
	CRYPTO_SHASH_CMACAES,
	CRYPTO_SHASH_SHA256,
	CRYPTO_SHASH_SHA512,
	CRYPTO_SHASH_MAX,
};

enum {
	CRYPTO_AEAD_AES_GCM = 16,
	CRYPTO_AEAD_AES_CCM,
	CRYPTO_AEAD_MAX,
};

enum {
	CRYPTO_BLK_ECBDES	= 32,
	CRYPTO_BLK_MAX,
};

struct ksmbd_crypto_ctx {
	struct list_head		list;

	struct shash_desc		*desc[CRYPTO_SHASH_MAX];
	struct crypto_aead		*ccmaes[CRYPTO_AEAD_MAX];
};

#define CRYPTO_HMACMD5(c)	((c)->desc[CRYPTO_SHASH_HMACMD5])
#define CRYPTO_HMACSHA256(c)	((c)->desc[CRYPTO_SHASH_HMACSHA256])
#define CRYPTO_CMACAES(c)	((c)->desc[CRYPTO_SHASH_CMACAES])
#define CRYPTO_SHA256(c)	((c)->desc[CRYPTO_SHASH_SHA256])
#define CRYPTO_SHA512(c)	((c)->desc[CRYPTO_SHASH_SHA512])

#define CRYPTO_HMACMD5_TFM(c)	((c)->desc[CRYPTO_SHASH_HMACMD5]->tfm)
#define CRYPTO_HMACSHA256_TFM(c)\
				((c)->desc[CRYPTO_SHASH_HMACSHA256]->tfm)
#define CRYPTO_CMACAES_TFM(c)	((c)->desc[CRYPTO_SHASH_CMACAES]->tfm)
#define CRYPTO_SHA256_TFM(c)	((c)->desc[CRYPTO_SHASH_SHA256]->tfm)
#define CRYPTO_SHA512_TFM(c)	((c)->desc[CRYPTO_SHASH_SHA512]->tfm)

#define CRYPTO_GCM(c)		((c)->ccmaes[CRYPTO_AEAD_AES_GCM])
#define CRYPTO_CCM(c)		((c)->ccmaes[CRYPTO_AEAD_AES_CCM])

void ksmbd_release_crypto_ctx(struct ksmbd_crypto_ctx *ctx);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_hmacmd5(void);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_hmacsha256(void);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_cmacaes(void);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_sha512(void);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_sha256(void);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_gcm(void);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_ccm(void);
void ksmbd_crypto_destroy(void);
int ksmbd_crypto_create(void);

#endif /* __CRYPTO_CTX_H__ */
Commit	Line	Data
e2f34481 NJ	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
	2	/*
	3	* Copyright (C) 2019 Samsung Electronics Co., Ltd.
	4	*/
	5
	6	#ifndef __CRYPTO_CTX_H__
	7	#define __CRYPTO_CTX_H__
	8
	9	#include <crypto/hash.h>
	10	#include <crypto/aead.h>
	11
	12	enum {
	13	CRYPTO_SHASH_HMACMD5 = 0,
	14	CRYPTO_SHASH_HMACSHA256,
	15	CRYPTO_SHASH_CMACAES,
	16	CRYPTO_SHASH_SHA256,
	17	CRYPTO_SHASH_SHA512,
e2f34481 NJ	18	CRYPTO_SHASH_MAX,
	19	};
	20
	21	enum {
5a0ca770 NJ	22	CRYPTO_AEAD_AES_GCM = 16,
5a0ca770 NJ	23	CRYPTO_AEAD_AES_CCM,
e2f34481 NJ	24	CRYPTO_AEAD_MAX,
	25	};
	26
	27	enum {
	28	CRYPTO_BLK_ECBDES = 32,
	29	CRYPTO_BLK_MAX,
	30	};
	31
	32	struct ksmbd_crypto_ctx {
	33	struct list_head list;
	34
	35	struct shash_desc *desc[CRYPTO_SHASH_MAX];
	36	struct crypto_aead *ccmaes[CRYPTO_AEAD_MAX];
	37	};
	38
	39	#define CRYPTO_HMACMD5(c) ((c)->desc[CRYPTO_SHASH_HMACMD5])
	40	#define CRYPTO_HMACSHA256(c) ((c)->desc[CRYPTO_SHASH_HMACSHA256])
	41	#define CRYPTO_CMACAES(c) ((c)->desc[CRYPTO_SHASH_CMACAES])
	42	#define CRYPTO_SHA256(c) ((c)->desc[CRYPTO_SHASH_SHA256])
	43	#define CRYPTO_SHA512(c) ((c)->desc[CRYPTO_SHASH_SHA512])
e2f34481 NJ	44
	45	#define CRYPTO_HMACMD5_TFM(c) ((c)->desc[CRYPTO_SHASH_HMACMD5]->tfm)
	46	#define CRYPTO_HMACSHA256_TFM(c)\
	47	((c)->desc[CRYPTO_SHASH_HMACSHA256]->tfm)
	48	#define CRYPTO_CMACAES_TFM(c) ((c)->desc[CRYPTO_SHASH_CMACAES]->tfm)
	49	#define CRYPTO_SHA256_TFM(c) ((c)->desc[CRYPTO_SHASH_SHA256]->tfm)
	50	#define CRYPTO_SHA512_TFM(c) ((c)->desc[CRYPTO_SHASH_SHA512]->tfm)
e2f34481	51
5a0ca770 NJ	52	#define CRYPTO_GCM(c) ((c)->ccmaes[CRYPTO_AEAD_AES_GCM])
5a0ca770 NJ	53	#define CRYPTO_CCM(c) ((c)->ccmaes[CRYPTO_AEAD_AES_CCM])
e2f34481 NJ	54
e2f34481 NJ	55	void ksmbd_release_crypto_ctx(struct ksmbd_crypto_ctx *ctx);
e2f34481 NJ	56	struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_hmacmd5(void);
	57	struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_hmacsha256(void);
	58	struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_cmacaes(void);
	59	struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_sha512(void);
	60	struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_sha256(void);
e2f34481 NJ	61	struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_gcm(void);
e2f34481 NJ	62	struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_ccm(void);
e2f34481 NJ	63	void ksmbd_crypto_destroy(void);
	64	int ksmbd_crypto_create(void);
	65
	66	#endif /* __CRYPTO_CTX_H__ */