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Date: Thu, 17 Feb 2011 08:06:46 +0300
From: Solar Designer <>
Subject: [openwall-announce] new libc for Linux; JtR 1.7.6-jumbo-12


I realize that these announcements became more frequent this month.
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Now to the news:

1. There's a new lightweight libc (standard C library) for Linux-based
devices.  It's called musl.  This is a project of Eta Labs rather than
Openwall, yet we're pleased that musl supports our /etc/tcb/*/shadow
files natively:

Comparison against other C libraries:

Openwall's alternative password shadowing scheme, which musl supports,
and info on its advantages:

2. John the Ripper 1.7.6-jumbo-12 is out.  This revision corrects the
"generic MD5" self-test bug (introduced in -jumbo-10).  It also enhances
the MSCash and MSCash2 OpenMP parallelization to adjust the number of
key slots according to the number of threads.

The release is available both as a tarball ready to be compiled:

and as a patch against 1.7.6:

More info on the changes, and new MSCash and MSCash2 OpenMP benchmarks:

Enjoy, and please stay tuned.

By the way, these news items were also tweeted:


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