Updated: {nettle/libnettle4/libhogweed2/libnettle-devel}-2.7-1: A cryptographic library that is designed to fit easily in more or less any context

Dr. Volker Zell dr.volker.zell@oracle.com
Tue May 14 07:15:00 GMT 2013


Hi

New versions of 'nettle/libnettle4/libhogweed2/libnettle-devel' have been uploaded to a server near you.

nettle NEWS:
===============
  
	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.

	Bug fixes:

	* Fixed a bug in the buffer handling for incremental SHA3
	  hashing, with a possible buffer overflow. Patch by Edgar
	  E. Iglesias.

	New features:

	* 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.
	
	Optimizations:

	* ARM assembly code for several additional algorithms,
	  including AES, Salsa20, and the SHA family of hash
	  functions. 

	* 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.


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