drivers/crypto/atmel-authenc.h

   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 #ifdef CONFIG_CRYPTO_DEV_ATMEL_AUTHENC
  16
  17 #include <crypto/authenc.h>
  18 #include <crypto/hash.h>
  19 #include <crypto/sha.h>
  20 #include "atmel-sha-regs.h"
  21
  22 struct atmel_aes_dev;
  23 typedef int (*atmel_aes_authenc_fn_t)(struct atmel_aes_dev *, int, bool);
  24
  25 struct atmel_sha_authenc_ctx;
  26
  27 bool atmel_sha_authenc_is_ready(void);
  28 unsigned int atmel_sha_authenc_get_reqsize(void);
  29
  30 struct atmel_sha_authenc_ctx *atmel_sha_authenc_spawn(unsigned long mode);
  31 void atmel_sha_authenc_free(struct atmel_sha_authenc_ctx *auth);
  32 int atmel_sha_authenc_setkey(struct atmel_sha_authenc_ctx *auth,
  33                              const u8 *key, unsigned int keylen,
  34                              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__ */