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https://issues.apache.org/jira/browse/CODEC-133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13258299#comment-13258299
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Christian Hammers commented on CODEC-133:
-----------------------------------------
Ok, remove my license.
What about replacing Pouls license with the sentence:
Based on the public domain ("beer-ware") C implementation from Poul-Henning
Kamp which was found at:
<pre>
Source: $FreeBSD: src/lib/libcrypt/crypt-md5.c,v 1.1 1999/01/21 13:50:09
brandon Exp $
http://www.freebsd.org/cgi/cvsweb.cgi/src/lib/libcrypt/crypt-md5.c?rev=1.1;content-type=text%2Fplain
</pre>
I just like to keep a reference to the original source code in case someone
want to verify the code and also mentioning which licesence Poul used so that
nobody worries that my conversion has any
licesene issues.
> Please add a function for the MD5/SHA1/SHA-512 based Unix crypt(3) hash
> variants
> --------------------------------------------------------------------------------
>
> Key: CODEC-133
> URL: https://issues.apache.org/jira/browse/CODEC-133
> Project: Commons Codec
> Issue Type: New Feature
> Affects Versions: 1.6
> Reporter: Christian Hammers
> Labels: MD5, SHA-512, crypt(3), crypto, hash
> Attachments: commons-codec-crypt3.diff,
> crypt3-with-utexas-licence.diff
>
>
> The Linux libc6 crypt(3) function, which is used to generate e.g. the
> password hashes in /etc/shadow, is available in nearly all other programming
> languages (Perl, PHP, Python, C, C++, ...) and databases like MySQL and
> offers MD5/SHA1/SHA-512 based algorithms that were improved by adding a salt
> and several iterations to make rainbow table attacks harder. Thus they are
> widely used to store user passwords.
> Java, though, has due it's platform independence, no direct access to the
> libc functions and still lacks an proper port of the crypt(3) function.
> I already filed a wishlist bug (CODEC-104) for the traditional 56-bit DES
> based crypt(3) method but would also like to see the much stronger algorithms.
> There are other bug reports like DIRSTUDIO-738 that demand those crypt
> variants for some specific applications so there it would benefit other
> Apache projects as well.
> Java ports of most of the specific crypt variants are already existing, but
> they would have to be cleaned up, properly tested and license checked:
> ftp://ftp.arlut.utexas.edu/pub/java_hashes/
> I would be willing to help here by cleaning the source code and writing unit
> tests etc. but I'd like to generally know if you are interested and if
> there's someone who can do a code review (it's security relevant after all
> and I'm no crypto guy)
> bye,
> -christian-
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