security/manager/ssl/crypto_hash/crypto_hash.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "nsICryptoHash.h"
   6
   7 extern "C" {
   8 nsresult crypto_hash_constructor(REFNSIID iid, void** result);
   9 };
  10
  11 nsresult NS_NewCryptoHash(uint32_t aHashType, nsICryptoHash** aOutHasher) {
  12   MOZ_ASSERT(aOutHasher);
  13
  14   nsCOMPtr<nsICryptoHash> hasher;
  15   nsresult rv =
  16       crypto_hash_constructor(NS_ICRYPTOHASH_IID, getter_AddRefs(hasher));
  17   if (NS_FAILED(rv)) {
  18     return rv;
  19   }
  20   rv = hasher->Init(aHashType);
  21   if (NS_FAILED(rv)) {
  22     return rv;
  23   }
  24   hasher.forget(aOutHasher);
  25
  26   return NS_OK;
  27 }
  28
  29 nsresult NS_NewCryptoHash(const nsACString& aHashType,
  30                           nsICryptoHash** aOutHasher) {
  31   MOZ_ASSERT(aOutHasher);
  32
  33   nsCOMPtr<nsICryptoHash> hasher;
  34   nsresult rv =
  35       crypto_hash_constructor(NS_ICRYPTOHASH_IID, getter_AddRefs(hasher));
  36   if (NS_FAILED(rv)) {
  37     return rv;
  38   }
  39   rv = hasher->InitWithString(aHashType);
  40   if (NS_FAILED(rv)) {
  41     return rv;
  42   }
  43   hasher.forget(aOutHasher);
  44
  45   return NS_OK;
  46 }