1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * API for Atmel Secure Protocol Layers Improved Performances (SPLIP)
4  *
5  * Copyright (C) 2016 Atmel Corporation
6  *
7  * Author: Cyrille Pitchen <cyrille.pitchen@atmel.com>
8  *
9  * This driver is based on drivers/mtd/spi-nor/fsl-quadspi.c from Freescale.
10  */
11 
12 #ifndef __ATMEL_AUTHENC_H__
13 #define __ATMEL_AUTHENC_H__
14 
15 #if IS_ENABLED(CONFIG_CRYPTO_DEV_ATMEL_AUTHENC)
16 
17 #include <crypto/authenc.h>
18 #include <crypto/hash.h>
19 #include <crypto/sha1.h>
20 #include <crypto/sha2.h>
21 #include "atmel-sha-regs.h"
22 
23 struct atmel_aes_dev;
24 typedef int (*atmel_aes_authenc_fn_t)(struct atmel_aes_dev *, int, bool);
25 
26 struct atmel_sha_authenc_ctx;
27 
28 bool atmel_sha_authenc_is_ready(void);
29 unsigned int atmel_sha_authenc_get_reqsize(void);
30 
31 struct atmel_sha_authenc_ctx *atmel_sha_authenc_spawn(unsigned long mode);
32 void atmel_sha_authenc_free(struct atmel_sha_authenc_ctx *auth);
33 int atmel_sha_authenc_setkey(struct atmel_sha_authenc_ctx *auth,
34 			     const u8 *key, unsigned int keylen, u32 flags);
35 
36 int atmel_sha_authenc_schedule(struct ahash_request *req,
37 			       struct atmel_sha_authenc_ctx *auth,
38 			       atmel_aes_authenc_fn_t cb,
39 			       struct atmel_aes_dev *dd);
40 int atmel_sha_authenc_init(struct ahash_request *req,
41 			   struct scatterlist *assoc, unsigned int assoclen,
42 			   unsigned int textlen,
43 			   atmel_aes_authenc_fn_t cb,
44 			   struct atmel_aes_dev *dd);
45 int atmel_sha_authenc_final(struct ahash_request *req,
46 			    u32 *digest, unsigned int digestlen,
47 			    atmel_aes_authenc_fn_t cb,
48 			    struct atmel_aes_dev *dd);
49 void  atmel_sha_authenc_abort(struct ahash_request *req);
50 
51 #endif /* CONFIG_CRYPTO_DEV_ATMEL_AUTHENC */
52 
53 #endif /* __ATMEL_AUTHENC_H__ */
54