From 309e0932dbc55ee00938f275a24aec194643430a Mon Sep 17 00:00:00 2001
From: marko1olo <barsukdana@gmail.com>
Date: Sat, 6 Jun 2026 01:58:37 +0400
Subject: [PATCH] Fix BLAKE2 output encoding validation

---
 src/core/operations/BLAKE2b.mjs    | 2 +-
 src/core/operations/BLAKE2s.mjs    | 2 +-
 tests/operations/tests/BLAKE2b.mjs | 9 +++++++++
 tests/operations/tests/BLAKE2s.mjs | 9 +++++++++
 4 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/core/operations/BLAKE2b.mjs b/src/core/operations/BLAKE2b.mjs
index 6218f7f0..7ae3b99c 100644
--- a/src/core/operations/BLAKE2b.mjs
+++ b/src/core/operations/BLAKE2b.mjs
@@ -70,7 +70,7 @@ class BLAKE2b extends Operation {
             case "Raw":
                 return Utils.arrayBufferToStr(blakejs.blake2b(input, key, outSize / 8).buffer);
             default:
-                return new OperationError("Unsupported Output Type");
+                throw new OperationError("Unsupported Output Type");
         }
     }
 
diff --git a/src/core/operations/BLAKE2s.mjs b/src/core/operations/BLAKE2s.mjs
index 8f84e041..4f56939b 100644
--- a/src/core/operations/BLAKE2s.mjs
+++ b/src/core/operations/BLAKE2s.mjs
@@ -71,7 +71,7 @@ class BLAKE2s extends Operation {
             case "Raw":
                 return Utils.arrayBufferToStr(blakejs.blake2s(input, key, outSize / 8).buffer);
             default:
-                return new OperationError("Unsupported Output Type");
+                throw new OperationError("Unsupported Output Type");
         }
     }
 
diff --git a/tests/operations/tests/BLAKE2b.mjs b/tests/operations/tests/BLAKE2b.mjs
index 088b1078..d32875eb 100644
--- a/tests/operations/tests/BLAKE2b.mjs
+++ b/tests/operations/tests/BLAKE2b.mjs
@@ -52,5 +52,14 @@ TestRegister.addTests([
             { "op": "BLAKE2b",
                 "args": ["128", "Hex", {string: "pseudorandom key", option: "UTF8"}] }
         ]
+    },
+    {
+        name: "BLAKE2b: missing output encoding",
+        input: "hello",
+        expectedOutput: "Unsupported Output Type",
+        recipeConfig: [
+            { "op": "BLAKE2b",
+                "args": ["512", "", {string: "", option: "UTF8"}] }
+        ]
     }
 ]);
diff --git a/tests/operations/tests/BLAKE2s.mjs b/tests/operations/tests/BLAKE2s.mjs
index fe978d24..db4c705b 100755
--- a/tests/operations/tests/BLAKE2s.mjs
+++ b/tests/operations/tests/BLAKE2s.mjs
@@ -43,5 +43,14 @@ TestRegister.addTests([
             { "op": "BLAKE2s",
                 "args": ["128", "Hex", {string: "", option: "UTF8"}] }
         ]
+    },
+    {
+        name: "BLAKE2s: missing output encoding",
+        input: "hello",
+        expectedOutput: "Unsupported Output Type",
+        recipeConfig: [
+            { "op": "BLAKE2s",
+                "args": ["256", "", {string: "", option: "UTF8"}] }
+        ]
     }
 ]);