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eb21736021
ksmbd_gen_sd_hash() does not support any other algorithm, so the crypto_shash abstraction provides no value. Just use the SHA-256 library API instead, which is much simpler and easier to use. Signed-off-by: Eric Biggers <ebiggers@google.com> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2019 Samsung Electronics Co., Ltd.
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*/
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#ifndef __CRYPTO_CTX_H__
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#define __CRYPTO_CTX_H__
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#include <crypto/hash.h>
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#include <crypto/aead.h>
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enum {
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CRYPTO_SHASH_HMACMD5 = 0,
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CRYPTO_SHASH_HMACSHA256,
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CRYPTO_SHASH_CMACAES,
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CRYPTO_SHASH_SHA512,
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CRYPTO_SHASH_MAX,
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};
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enum {
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CRYPTO_AEAD_AES_GCM = 16,
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CRYPTO_AEAD_AES_CCM,
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CRYPTO_AEAD_MAX,
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};
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enum {
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CRYPTO_BLK_ECBDES = 32,
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CRYPTO_BLK_MAX,
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};
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struct ksmbd_crypto_ctx {
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struct list_head list;
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struct shash_desc *desc[CRYPTO_SHASH_MAX];
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struct crypto_aead *ccmaes[CRYPTO_AEAD_MAX];
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};
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#define CRYPTO_HMACMD5(c) ((c)->desc[CRYPTO_SHASH_HMACMD5])
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#define CRYPTO_HMACSHA256(c) ((c)->desc[CRYPTO_SHASH_HMACSHA256])
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#define CRYPTO_CMACAES(c) ((c)->desc[CRYPTO_SHASH_CMACAES])
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#define CRYPTO_SHA512(c) ((c)->desc[CRYPTO_SHASH_SHA512])
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#define CRYPTO_HMACMD5_TFM(c) ((c)->desc[CRYPTO_SHASH_HMACMD5]->tfm)
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#define CRYPTO_HMACSHA256_TFM(c)\
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((c)->desc[CRYPTO_SHASH_HMACSHA256]->tfm)
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#define CRYPTO_CMACAES_TFM(c) ((c)->desc[CRYPTO_SHASH_CMACAES]->tfm)
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#define CRYPTO_SHA512_TFM(c) ((c)->desc[CRYPTO_SHASH_SHA512]->tfm)
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#define CRYPTO_GCM(c) ((c)->ccmaes[CRYPTO_AEAD_AES_GCM])
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#define CRYPTO_CCM(c) ((c)->ccmaes[CRYPTO_AEAD_AES_CCM])
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void ksmbd_release_crypto_ctx(struct ksmbd_crypto_ctx *ctx);
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struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_hmacmd5(void);
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struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_hmacsha256(void);
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struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_cmacaes(void);
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struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_sha512(void);
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struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_gcm(void);
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struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_ccm(void);
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void ksmbd_crypto_destroy(void);
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int ksmbd_crypto_create(void);
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#endif /* __CRYPTO_CTX_H__ */
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