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/* 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_CMACAES = 0,
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_CMACAES(c) ((c)->desc[CRYPTO_SHASH_CMACAES])
#define CRYPTO_CMACAES_TFM(c) ((c)->desc[CRYPTO_SHASH_CMACAES]->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_cmacaes(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__ */
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