From e7f731708748e42406e4459f4dc5c6f96a4559e8 Mon Sep 17 00:00:00 2001
From: Heiko Schaefer <59601023+hko-s@users.noreply.github.com>
Date: Wed, 15 May 2024 13:53:58 +0200
Subject: [PATCH] sha1-checked: implement BlockSizeUser (#582)

Implementing this trait makes it possible to use `sha1-checked` with
`dsa::signing_key::SigningKey::sign_prehashed_rfc6979`
---
 sha1-checked/src/lib.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sha1-checked/src/lib.rs b/sha1-checked/src/lib.rs
index 1dcf28da..651b0b16 100644
--- a/sha1-checked/src/lib.rs
+++ b/sha1-checked/src/lib.rs
@@ -197,6 +197,10 @@ impl OutputSizeUser for Sha1 {
     type OutputSize = U20;
 }
 
+impl BlockSizeUser for Sha1 {
+    type BlockSize = U64;
+}
+
 impl FixedOutput for Sha1 {
     #[inline]
     fn finalize_into(mut self, out: &mut Output<Self>) {