cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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crypto_ctx.h (1997B)

      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__ */