text: /*
   * This file is part of the coreboot project.
   *
   * Copyright (C) 2016 Marvell, Inc.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; version 2 of the License.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   */
  
  #include <stddef.h>
  #include <stdint.h>
  #include <stdlib.h>
  
  #include <arch/io.h>
  #include <console/console.h>
  #include <soc/digest.h>
  #include <string.h>
  
  struct digest_ops digest_callbacks = {
  	.init = (security_init_F) MVMAP2315_DIGEST_INIT,
  	.sha_hash = (sha_hash_F) MVMAP2315_DIGEST_SHA_HASH,
  };
  
  u32 digest_init(void)
  {
  	int rc;
  
  	rc = digest_callbacks.init(0);
  
  	if (rc)
  		printk(BIOS_DEBUG, "digest_init failed with rc=%x.\n", rc);
  
  	return rc;
  }
  
  u32 digest_sha_hash(const u8 *msg, u32 msg_len, u8 *digest, u32 digest_len)
  {
  	int rc;
  
  	rc = digest_callbacks.sha_hash(msg, msg_len, digest, digest_len);
  
  	if (rc)
  		printk(BIOS_DEBUG, "digest_sha_hash failed with rc=%x.\n", rc);
  
  	return rc;
  }
  
  u32 digest_cmp(const u8 *msg, u8 *digest, u32 digest_len)
  {
  	int rc;
  
  	rc = memcmp(msg, digest, digest_len);
  
  	if (rc)
  		printk(BIOS_DEBUG, "image hash doesn't match BDB expected");
  
  	return rc;
  }
  