1 files changed, 46 insertions, 0 deletions
diff --git a/security/manager/ssl/crypto_hash/crypto_hash.h b/security/manager/ssl/crypto_hash/crypto_hash.h
new file mode 100644
index 0000000000..a85993b041
--- /dev/null
+++ b/security/manager/ssl/crypto_hash/crypto_hash.h
@@ -0,0 +1,46 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsICryptoHash.h"
+
+extern "C" {
+nsresult crypto_hash_constructor(REFNSIID iid, void** result);
+};
+
+nsresult NS_NewCryptoHash(uint32_t aHashType, nsICryptoHash** aOutHasher) {
+  MOZ_ASSERT(aOutHasher);
+
+  nsCOMPtr<nsICryptoHash> hasher;
+  nsresult rv =
+      crypto_hash_constructor(NS_ICRYPTOHASH_IID, getter_AddRefs(hasher));
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+  rv = hasher->Init(aHashType);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+  hasher.forget(aOutHasher);
+
+  return NS_OK;
+}
+
+nsresult NS_NewCryptoHash(const nsACString& aHashType,
+                          nsICryptoHash** aOutHasher) {
+  MOZ_ASSERT(aOutHasher);
+
+  nsCOMPtr<nsICryptoHash> hasher;
+  nsresult rv =
+      crypto_hash_constructor(NS_ICRYPTOHASH_IID, getter_AddRefs(hasher));
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+  rv = hasher->InitWithString(aHashType);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+  hasher.forget(aOutHasher);
+
+  return NS_OK;
+}