From f61ef3ede792d29c83e76363e1cb7b1baa4c3f46 Mon Sep 17 00:00:00 2001
From: aarcloudera <146882551+aarcloudera@users.noreply.github.com>
Date: Wed, 11 Oct 2023 10:39:55 +0530
Subject: [PATCH] Accepting hmac key of all sizes (#144)

---
 .../shredzone/acme4j/toolbox/JoseUtils.java   | 22 ++++++++-----------
 1 file changed, 9 insertions(+), 13 deletions(-)

diff --git a/acme4j-client/src/main/java/org/shredzone/acme4j/toolbox/JoseUtils.java b/acme4j-client/src/main/java/org/shredzone/acme4j/toolbox/JoseUtils.java
index 2f0a7cad..23056774 100644
--- a/acme4j-client/src/main/java/org/shredzone/acme4j/toolbox/JoseUtils.java
+++ b/acme4j-client/src/main/java/org/shredzone/acme4j/toolbox/JoseUtils.java
@@ -245,19 +245,15 @@ public final class JoseUtils {
         }
 
         var size = macKey.getEncoded().length * 8;
-        switch (size) {
-            case 256:
-                return AlgorithmIdentifiers.HMAC_SHA256;
-
-            case 384:
-                return AlgorithmIdentifiers.HMAC_SHA384;
-
-            case 512:
-                return AlgorithmIdentifiers.HMAC_SHA512;
-
-            default:
-                throw new IllegalArgumentException("Bad key size: " + size);
+        if(size < 256) {
+            throw new IllegalArgumentException("Bad key size: " + size);
+        }
+        if (size >= 512) {
+            return AlgorithmIdentifiers.HMAC_SHA512;
+        } else if (size >= 384) {
+            return AlgorithmIdentifiers.HMAC_SHA384;
+        } else {
+            return AlgorithmIdentifiers.HMAC_SHA256;
         }
     }
-
 }