Modify JP2_SIGNATURE to align with the value specified in ISO/IEC 154…

…44-1-2004 I.5.1 (#320)
cantaloupe-project · Sep 18, 2019 · 0ee7c4a · 0ee7c4a
1 parent caa8e7f
commit 0ee7c4a
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diff --git a/CHANGES.md b/CHANGES.md
@@ -11,6 +11,8 @@
   filenames containing spaces.
 * Fixed two separate bugs in KakaduNativeProcessor that both caused empty
   regions to appear in certain images.
+* Fixed overly restrictive signature verification in KakaduDemoProcessor and
+  OpenJpegProcessor that could cause errors with some valid images.
 * Fixed TurboJpegProcessor not respecting the `processor.background_color`
   configuration key.
 * Fixed the `PurgeItemFromCache` API method not working with S3Cache and

diff --git a/src/main/java/edu/illinois/library/cantaloupe/processor/codec/JPEG2000MetadataReader.java b/src/main/java/edu/illinois/library/cantaloupe/processor/codec/JPEG2000MetadataReader.java
@@ -112,8 +112,7 @@ private static SegmentMarker forBytes(byte[] twoBytes) {
 
     private static final byte[] JP2_SIGNATURE = new byte[] {
             0x00, 0x00, 0x00, 0x0c, 0x6a, 0x50, 0x20, 0x20, 0x0d, 0x0a,
-            (byte) 0x87, 0x0a, 0x00, 0x00, 0x00, 0x14, 0x66, 0x74, 0x79, 0x70,
-            0x6a, 0x70, 0x32 };
+            (byte) 0x87, 0x0a };
 
     private static final byte[] XMP_UUID = new byte[] {
             (byte) 0xbe, 0x7a, (byte) 0xcf, (byte) 0xcb, (byte) 0x97,