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, 18 CRYPTO_SHASH_MAX, 19 }; 20 21 enum { 22 CRYPTO_AEAD_AES_GCM = 16, 23 CRYPTO_AEAD_AES_CCM, 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]) 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 55 void ksmbd_release_crypto_ctx(struct ksmbd_crypto_ctx *ctx); 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); 61 struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_gcm(void); 62 struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_ccm(void); 63 void ksmbd_crypto_destroy(void); 64 int ksmbd_crypto_create(void); 65 66 #endif /* __CRYPTO_CTX_H__ */ 67