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Wed, 24 Apr 2013 16:17:40 +0200
Gnus/5.13 (Gnus v5.13) Emacs/24.3 (usg-unix-v)
I'm happy to annnounce a new version of GNU Nettle, a low-level
cryptographics library. The Nettle home page can be found at
NEWS for the 2.7 release
This release includes an implementation of elliptic curve
cryptography (ECC) and optimizations for the ARM architecture.
This work was done at the offices of South Pole AB, and
generously funded by the .SE Internet Fund.
* Fixed a bug in the buffer handling for incremental SHA3
hashing, with a possible buffer overflow. Patch by Edgar
* Support for ECDSA signatures. Elliptic curve operations over
the following curves: secp192r1, secp224r1, secp256r1,
secp384r1 and secp521r1, including x86_64 and ARM assembly
for the most important primitives.
* Support for UMAC, including x86_64 and ARM assembly.
* Support for 12-round salsa20, "salsa20r12", as specified by
eSTREAM. Contributed by Nikos Mavrogiannopoulos.
* ARM assembly code for several additional algorithms,
including AES, Salsa20, and the SHA family of hash
* x86_64 assembly for SHA256, SHA512, and SHA3. (SHA3 assembly
was included in the 2.6 release, but disabled due to poor
performance on some AMD processors. Hopefully, that
performance problem is fixed now).
The ARM code was tested and benchmarked on Cortex-A9. Some of
the functions use "neon" instructions. The configure script
decides if neon instructions can be used, and the command line
options --enable-arm-neon and --disable-arm-neon can be used
to override its choice. Feedback appreciated.
The libraries are intended to be binary compatible with
nettle-2.2 and later. The shared library names are
libnettle.so.4.6 and libhogweed.so.2.4, with sonames still
libnettle.so.4 and libhogweed.so.2.
Niels Möller. PGP-encrypted email is preferred. Keyid C0B98E26.
Internet email is subject to wholesale government surveillance.
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