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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 12enum {13 CRYPTO_SHASH_HMACMD5 = 0,14 CRYPTO_SHASH_HMACSHA256,15 CRYPTO_SHASH_CMACAES,16 CRYPTO_SHASH_SHA256,17 CRYPTO_SHASH_SHA512,18 CRYPTO_SHASH_MAX,19};20 21enum {22 CRYPTO_AEAD_AES_GCM = 16,23 CRYPTO_AEAD_AES_CCM,24 CRYPTO_AEAD_MAX,25};26 27enum {28 CRYPTO_BLK_ECBDES = 32,29 CRYPTO_BLK_MAX,30};31 32struct 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])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)51 52#define CRYPTO_GCM(c) ((c)->ccmaes[CRYPTO_AEAD_AES_GCM])53#define CRYPTO_CCM(c) ((c)->ccmaes[CRYPTO_AEAD_AES_CCM])54 55void ksmbd_release_crypto_ctx(struct ksmbd_crypto_ctx *ctx);56struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_hmacmd5(void);57struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_hmacsha256(void);58struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_cmacaes(void);59struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_sha512(void);60struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_sha256(void);61struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_gcm(void);62struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_ccm(void);63void ksmbd_crypto_destroy(void);64int ksmbd_crypto_create(void);65 66#endif /* __CRYPTO_CTX_H__ */67