1 files changed, 12 insertions, 0 deletions
diff --git a/extensions/crypto/key.rs b/extensions/crypto/key.rs
index d5801635e..cb44812fd 100644
--- a/extensions/crypto/key.rs
+++ b/extensions/crypto/key.rs
@@ -1,6 +1,7 @@
 // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
 
 use ring::agreement::Algorithm as RingAlgorithm;
+use ring::digest;
 use ring::hmac::Algorithm as HmacAlgorithm;
 use ring::signature::EcdsaSigningAlgorithm;
 use serde::Deserialize;
@@ -67,6 +68,17 @@ impl From<CryptoHash> for HmacAlgorithm {
   }
 }
 
+impl From<CryptoHash> for &'static digest::Algorithm {
+  fn from(hash: CryptoHash) -> &'static digest::Algorithm {
+    match hash {
+      CryptoHash::Sha1 => &digest::SHA1_FOR_LEGACY_USE_ONLY,
+      CryptoHash::Sha256 => &digest::SHA256,
+      CryptoHash::Sha384 => &digest::SHA384,
+      CryptoHash::Sha512 => &digest::SHA512,
+    }
+  }
+}
+
 #[derive(Serialize, Deserialize, Copy, Clone, Debug, PartialEq)]
 #[serde(rename_all = "camelCase")]
 pub enum KeyUsage {