Subject: JAR Manifest & Signature File, PKCS#7 Signed Data (FC Stegerman)
Origin: FILE5_44-14-gbb955ca3 <https://github.com/file/file/commit/FILE5_44-14-gbb955ca3>
Upstream-Author: Christos Zoulas <christos@zoulas.com>
Date: Wed Jan 11 23:59:49 2023 +0000

--- a/magic/Magdir/der
+++ b/magic/Magdir/der
@@ -137,3 +137,10 @@
 >>>>&0	der	seq
 >>>>>&0	der     obj_id3=550403
 >>>>>&0	der     utf8_str=x      \b, Subject=%s
+
+# PKCS#7 Signed Data (e.g. JAR Signature Block File)
+# OID 1.2.840.113549.1.7.2 (2a864886f70d010702)
+# Reference: https://www.rfc-editor.org/rfc/rfc2315
+0	der	seq
+>&0	der	obj_id9=2a864886f70d010702	DER Encoded PKCS#7 Signed Data
+!:ext	RSA/DSA/EC
--- a/magic/Magdir/java
+++ b/magic/Magdir/java
@@ -43,3 +43,10 @@
 >6	leshort	>0x00	\b, version %d
 >4	leshort	x	\b.%d
 !:mime	application/x-java-image
+
+# JAR Manifest & Signature File
+# Reference: https://docs.oracle.com/javase/8/docs/technotes/guides/jar/jar.html
+0	string/t	Manifest-Version:\x201.0	JAR Manifest
+!:ext	MF
+0	string/t	Signature-Version:\x201.0	JAR Signature File
+!:ext	SF