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Java Forum / Security / July 2004open source version of the keytool
Does anyone know whether an open source version of the keytool exists? A quick search of comp.lang.java.* showed me a couple of things from about five years back that looked kind of like what we're looking for, but I'm too new to this stuff to be sure what I'm looking at. >Does anyone know whether an open source version of the keytool exists? IBM has a keytool called Keyman. It is written in Java but does not include source. see http://mindprod.com/jgloss/keyman.html  SignatureCanadian Mind Products, Roedy Green. Coaching, problem solving, economical contract programming. See http://mindprod.com/jgloss/jgloss.html for The Java Glossary. > IBM has a keytool called Keyman. Unfortunately, it's handling of expiry dates is buggy, activity on it appears to be dead, and it has a poorly designed UI. -- Shane >> IBM has a keytool called Keyman. > >Unfortunately, it's handling of expiry dates is buggy, activity on it >appears to be dead, and it has a poorly designed UI. I don't know how legal this is, but selective decompilation of parts of keyman or keytool would give you hints on how the pieces of the JCE fit together. Just getting a list of classes used by a given procedure would be a big help. SignatureCanadian Mind Products, Roedy Green. Coaching, problem solving, economical contract programming. See http://mindprod.com/jgloss/jgloss.html for The Java Glossary. > >> IBM has a keytool called Keyman. > > [quoted text clipped - 5 lines] > fit together. Just getting a list of classes used by a given > procedure would be a big help. Oh, you wicked, evil person you. :-p Of course, the time involved would prevent us from that even if we were to decide to ignore Sun's license. But it's a fun thought. >> >> IBM has a keytool called Keyman. >> > [quoted text clipped - 5 lines] >> fit together. Just getting a list of classes used by a given >> procedure would be a big help. Running keytool with the option -J-verbose:class should furnish some clues. :) > Oh, you wicked, evil person you. :-p > > Of course, the time involved would prevent us from that even if we > were to decide to ignore Sun's license. For suitable values of "us". I doubt Al Qaeda is deterred by either the time or the license. However for study purposes it probably makes more sense to look at the sources of e.g. BouncyCastle. The details of the implementation will be different, but somewhere along the line the same steps have to be performed to reach the same result. BC doesn't handle the proprietary JKS format, but no worry: see <http://metastatic.org/source/JKS.html>. (Lots more good material on Casey's site, by the way). SignatureChris Gray chris@kiffer.eunet.be /k/ Embedded Java Solutions > >> >> IBM has a keytool called Keyman. > >> > [quoted text clipped - 23 lines] > no worry: see <http://metastatic.org/source/JKS.html>. (Lots more good > material on Casey's site, by the way). Thanks for those, Chris. (Especially since I wasn't taking the comments about bouncy castle seriously until now. Good to know there are still people who know how to have serious fun.) Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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