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Digital Signatures of JAR Files
What are digital signatures of JAR files? And where are they stored in the JAR file?
✍: FYIcenter.com
Digital signatures are encrypted digests of entries archieved in the JAR file. Digital signature information is stored in multiple files under the META-INF path name:
Here is a sample of a *.SF file, SUN_MICR.SF:
Signature-Version: 1.0 SHA1-Digest-Manifest: WJfLq1ILjj2Pn43Eo0FBNVFuG9U= Created-By: 1.3.1_04 (Sun Microsystems Inc.) Name: javax/activation/MimeTypeParseException.class SHA1-Digest: UAKWG9VD0+5i0GHxkNysu84wuGQ= Name: javax/activation/CommandInfo.class SHA1-Digest: VDih63m/ZVUpovKCWSyMwn4nGV4= ...
The "jarsigner" tool in the JDK can be used to sign file files.
2016-04-15, 2136🔥, 0💬
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