From 5831c5201ddbdaf0daf2a32f0ff801ae5fb7ec86 Mon Sep 17 00:00:00 2001
From: Timofey Solomko <tsolomko@gmail.com>
Date: Sun, 30 Jul 2017 18:36:07 +0300
Subject: [PATCH] Add encryptionNotSupported error for 7z

---
 Sources/7zError.swift  | 1 +
 Sources/7zFolder.swift | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/Sources/7zError.swift b/Sources/7zError.swift
index 70bd936e..3fc88cbd 100644
--- a/Sources/7zError.swift
+++ b/Sources/7zError.swift
@@ -39,4 +39,5 @@ public enum SevenZipError: Error {
     case noPackInfoFound
     case streamOverread
     case dataIsUnavailable
+    case encryptionNotSupported
 }
diff --git a/Sources/7zFolder.swift b/Sources/7zFolder.swift
index 2ab478ec..89db5b3a 100644
--- a/Sources/7zFolder.swift
+++ b/Sources/7zFolder.swift
@@ -166,7 +166,11 @@ class SevenZipFolder {
                 try lzmaDecoder.decodeLZMA(unpackSize, properties[0], dictionarySize)
                 decodedData = Data(bytes: lzmaDecoder.out)
             } else {
-                throw SevenZipError.compressionNotSupported
+                if coder.id[0] == 0x06 {
+                    throw SevenZipError.encryptionNotSupported
+                } else {
+                    throw SevenZipError.compressionNotSupported
+                }
             }
 
             guard decodedData.count == unpackSize