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/aead.h> 10 11 enum { 12 CRYPTO_AEAD_AES_GCM = 16, 13 CRYPTO_AEAD_AES_CCM, 14 CRYPTO_AEAD_MAX, 15 }; 16 17 struct ksmbd_crypto_ctx { 18 struct list_head list; 19 20 struct crypto_aead *ccmaes[CRYPTO_AEAD_MAX]; 21 }; 22 23 #define CRYPTO_GCM(c) ((c)->ccmaes[CRYPTO_AEAD_AES_GCM]) 24 #define CRYPTO_CCM(c) ((c)->ccmaes[CRYPTO_AEAD_AES_CCM]) 25 26 void ksmbd_release_crypto_ctx(struct ksmbd_crypto_ctx *ctx); 27 struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_gcm(void); 28 struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_ccm(void); 29 void ksmbd_crypto_destroy(void); 30 int ksmbd_crypto_create(void); 31 32 #endif /* __CRYPTO_CTX_H__ */ 33