pdns/sha.hh

   1 /*
   2  * This file is part of PowerDNS or dnsdist.
   3  * Copyright -- PowerDNS.COM B.V. and its contributors
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * In addition, for the avoidance of any doubt, permission is granted to
  10  * link this program with OpenSSL and to (re)distribute the binaries
  11  * produced as the result of such linking.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22 #pragma once
  23 #include <string>
  24 #include <stdint.h>
  25 #include <openssl/sha.h>
  26
  27 inline std::string pdns_sha1sum(const std::string& input)
  28 {
  29   unsigned char result[20] = {0};
  30   SHA1(reinterpret_cast<const unsigned char*>(input.c_str()), input.length(), result);
  31   return std::string(result, result + sizeof result);
  32 }
  33
  34 inline std::string pdns_sha256sum(const std::string& input)
  35 {
  36   unsigned char result[32] = {0};
  37   SHA256(reinterpret_cast<const unsigned char*>(input.c_str()), input.length(), result);
  38   return std::string(result, result + sizeof result);
  39 }
  40
  41 inline std::string pdns_sha384sum(const std::string& input)
  42 {
  43   unsigned char result[48] = {0};
  44   SHA384(reinterpret_cast<const unsigned char*>(input.c_str()), input.length(), result);
  45   return std::string(result, result + sizeof result);
  46 }
  47
  48 inline std::string pdns_sha512sum(const std::string& input)
  49 {
  50   unsigned char result[64] = {0};
  51   SHA512(reinterpret_cast<const unsigned char*>(input.c_str()), input.length(), result);
  52   return std::string(result, result + sizeof result);
  53 }