From caaa0204b86959f49687a3bbccd87994d9bf3fa6 Mon Sep 17 00:00:00 2001
From: Steve Moyer <smoyer1@selesy.com>
Date: Tue, 8 Jul 2025 09:42:09 -0400
Subject: [PATCH] fix(hash): HashAlgorithmUnspecified should not be ok

---
 constant.go | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/constant.go b/constant.go
index 07c2a69..baf4095 100644
--- a/constant.go
+++ b/constant.go
@@ -37,11 +37,10 @@ func DecodeHashAlgorithm(r *bytes.Reader) (HashAlgorithm, error) {
 	h := HashAlgorithm(u)
 
 	if _, ok := map[HashAlgorithm]struct{}{
-		HashAlgorithmUnspecified: {},
-		HashAlgorithmSHA256:      {},
-		HashAlgorithmSHA384:      {},
-		HashAlgorithmSHA512:      {},
-		HashAlgorithmShake256:    {},
+		HashAlgorithmSHA256:   {},
+		HashAlgorithmSHA384:   {},
+		HashAlgorithmSHA512:   {},
+		HashAlgorithmShake256: {},
 	}[h]; !ok {
 		return HashAlgorithmUnspecified, fmt.Errorf("%w: %x", ErrUnknownHashAlgorithm, h)
 	}