drivers/crypto/atmel-authenc.h

   1 /*
   2  * API for Atmel Secure Protocol Layers Improved Performances (SPLIP)
   3  *
   4  * Copyright (C) 2016 Atmel Corporation
   5  *
   6  * Author: Cyrille Pitchen <cyrille.pitchen@atmel.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * this program.  If not, see <http://www.gnu.org/licenses/>.
  19  *
  20  * This driver is based on drivers/mtd/spi-nor/fsl-quadspi.c from Freescale.
  21  */
  22
  23 #ifndef __ATMEL_AUTHENC_H__
  24 #define __ATMEL_AUTHENC_H__
  25
  26 #if IS_ENABLED(CONFIG_CRYPTO_DEV_ATMEL_AUTHENC)
  27
  28 #include <crypto/authenc.h>
  29 #include <crypto/hash.h>
  30 #include <crypto/sha.h>
  31 #include "atmel-sha-regs.h"
  32
  33 struct atmel_aes_dev;
  34 typedef int (*atmel_aes_authenc_fn_t)(struct atmel_aes_dev *, int, bool);
  35
  36 struct atmel_sha_authenc_ctx;
  37
  38 bool atmel_sha_authenc_is_ready(void);
  39 unsigned int atmel_sha_authenc_get_reqsize(void);
  40
  41 struct atmel_sha_authenc_ctx *atmel_sha_authenc_spawn(unsigned long mode);
  42 void atmel_sha_authenc_free(struct atmel_sha_authenc_ctx *auth);
  43 int atmel_sha_authenc_setkey(struct atmel_sha_authenc_ctx *auth,
  44                              const u8 *key, unsigned int keylen,
  45                              u32 *flags);
  46
  47 int atmel_sha_authenc_schedule(struct ahash_request *req,
  48                                struct atmel_sha_authenc_ctx *auth,
  49                                atmel_aes_authenc_fn_t cb,
  50                                struct atmel_aes_dev *dd);
  51 int atmel_sha_authenc_init(struct ahash_request *req,
  52                            struct scatterlist *assoc, unsigned int assoclen,
  53                            unsigned int textlen,
  54                            atmel_aes_authenc_fn_t cb,
  55                            struct atmel_aes_dev *dd);
  56 int atmel_sha_authenc_final(struct ahash_request *req,
  57                             u32 *digest, unsigned int digestlen,
  58                             atmel_aes_authenc_fn_t cb,
  59                             struct atmel_aes_dev *dd);
  60 void  atmel_sha_authenc_abort(struct ahash_request *req);
  61
  62 #endif /* CONFIG_CRYPTO_DEV_ATMEL_AUTHENC */
  63
  64 #endif /* __ATMEL_AUTHENC_H__ */