include/u-boot/rsa-checksum.h

   1 /*
   2  * Copyright (c) 2013, Andreas Oetken.
   3  *
   4  * SPDX-License-Identifier:    GPL-2.0+
   5 */
   6
   7 #ifndef _RSA_CHECKSUM_H
   8 #define _RSA_CHECKSUM_H
   9
  10 #include <errno.h>
  11 #include <image.h>
  12 #include <u-boot/sha1.h>
  13 #include <u-boot/sha256.h>
  14
  15 extern const uint8_t padding_sha256_rsa4096[];
  16 extern const uint8_t padding_sha256_rsa2048[];
  17 extern const uint8_t padding_sha1_rsa2048[];
  18
  19 /**
  20  * hash_calculate() - Calculate hash over the data
  21  *
  22  * @name:  Name of algorithm to be used for hash calculation
  23  * @region: Array having info of regions over which hash needs to be calculated
  24  * @region_count: Number of regions in the region array
  25  * @checksum: Buffer contanining the output hash
  26  *
  27  * @return 0 if OK, < 0 if error
  28  */
  29 int hash_calculate(const char *name,
  30                    const struct image_region region[], int region_count,
  31                    uint8_t *checksum);
  32
  33 #endif