nettle-bugs

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2196 discussions

gost hash
by Nikos Mavrogiannopoulos 25 Sep '12

25 Sep '12

Hello, The attached patch adds the GOST R 34.11-94 hash algorithm. I based this code on Alexei Kravchenko's code from librhash. The original code [0] had inline assembly for x86 and x86-64 which is removed from this version. Although this is not a modern algorithm it is being used in the russian digital signature standard (GOST R 34.11-2001). I had issue making the test gost94-test compile. For some reason the makefile wouldn't link it against gmp (all the other tests were ok), and couldn't figure out why. regards, Nikos [0]. http://hg.splayer.org/splayer/src/5027d6aa04f1/Thirdparty/librhash/librhash/

1 0

Salsa20 core
by Simon Josefsson 23 Sep '12

23 Sep '12

I realized that I didn't have any use for the round-reduced Salsa20 stream functions. So I'll focus on what I needed instead, which resulted in a much smaller patch. What do you think? Open issues: * I'm not particular happy about the name SALSA20_CORE_INOUT_SIZE. * Where could this be documented in the manual? "Miscellaneous functions"? We could also create a new section "Non-cryptographic Hash functions". There is the FNV and CRC hashes that could be implemented under that umbrella. /Simon

2 19

[PATCH] PKCS #5 PBKDF2
by Simon Josefsson 21 Sep '12

21 Sep '12

How about adding KDFs? Here is a starting pointer for the most common function, PKCS #5 PBKDF2. Review appreciated. /Simon

2 27

[PATCH] some patches to fix compiler warnings
by Tim Ruehsen 19 Sep '12

19 Sep '12

Some things I fixed, when having a look at the sources. Just two points for code reviewing: 1. #define NONNULL(...) __attribute__ ((nonnull(__VA_ARGS__))) is contains a C99 feature (...), but there are also C99 long long constants somewhere in the code (if you mind C89 compliancy). 2. In cast128.c I removed the wiping of t, l and r. Instead I set t=0 at the beginning of the loops (It seemed to be used uninitialized in F1 macro). Please just have a short look into it - maybe the "wiping" has some undocumented deeper meaning !? Regards, Tim

4 29

Three tests can't be created
by Tim Ruehsen 13 Sep '12

13 Sep '12

Hi, there are three tests which cannot be build from source: testsuite/sexp-conv-test testsuite/symbols-test testsuite/pkcs1-conv-test If you remove them the following fails: make clean make make check Making check in testsuite make[1]: Entering directory `/usr/oms/src/nettle/testsuite' make[1]: *** No rule to make target `sexp-conv-test', needed by `check'. Stop. These three binaries are in the git repository ... what's that ? Shouldn't there be sources a possibility to build the binaries ? Regards ,Tim

2 2

minor documentation patches
by Daniel Kahn Gillmor 08 Aug '12

08 Aug '12

hi nettle folks-- i've pushed a couple minor documentation patches to my git repo at: git://lair.fifthhorseman.net/~dkg/nettle they're also attached below, if you prefer. Thanks for maintaining nettle, --dkg

1 0

Patch: Fix building of nettle-benchmark on uclibc systems
by Anthony G. Basile 07 Jul '12

07 Jul '12

Attached is a patch to fix the building of examples/nettle-benchmark on uclibc systems while not introducing a regression on glibc. The downstream bug is https://bugs.gentoo.org/show_bug.cgi?id=415193 -- Anthony G. Basile, Ph. D. Chair of Information Technology D'Youville College Buffalo, NY 14201 (716) 829-8197

2 1

ANNOUNCE: Nettle-2.5
by nisse＠lysator.liu.se 07 Jul '12

07 Jul '12

I'm happy to annnounce a new version of GNU Nettle, a low-level cryptographics library. The Nettle home page can be found at http://www.lysator.liu.se/~nisse/nettle/. NEWS for the 2.5 release This release includes important portability fixes for Windows and MacOS. There are also a few new features. First a *warning*: Some internal functions have been removed from the library. Since the functions in question are internal and not documented, this is not considered a change of ABI or API. Programs explicitly using any of these functions will break. * The function pkcs1_signature_prefix has been renamed to _pkcs1_signature_prefix, and with slightly different behavior. * The file nettle-internal.c is no longer included in the library (the features defined there are used by the benchmark and test programs, and were never intended for public use). New features: * Support for the salsa20 block cipher, including x86_64 assembler. Originally contributed by Simon Josefsson, based on the reference implementation, then further optimized. * Tentative interface for timing-resistant RSA functions, contributed by Nikos Mavrogiannopoulos. * A more general interface for PKCS#1 signatures, taking the input in the form of a "DigestInfo". Suggested by Nikos Mavrogiannopoulos. Configuration: * Building of shared libraries (./configure --enable-shared) is now enabled by default. * Various portability fixes for MacOS and M$ Windows. A lot of this work done by Martin Storsjö. * In particular, Nettle now hopefully works on 64-bit Windows builds, "W64", including the x86_64 assembly code. Miscellaneous: * Documentation and example programs for the base16 and base64 functions. Was contributed by Jeronimo Pellegrini back in 2006, but unfortunately forgotten until now. * Use an additional table to avoid GF2^8 multiplications in aes_invert_key (mainly used by aes_set_decrypt_key). Also tabulate round constants in aes_set_encrypt_key. * The nettle repository has been migrated from cvs to git, with a public repository at http://git.lysator.liu.se/nettle. To make it independent of the LSH repository, a few files have been moved around. While at it, files have also been converted from latin-1 to utf-8. The libraries are intended to be binary compatible with nettle-2.2 and later. The shared library names are libnettle.so.4.4 and libhogweed.so.2.2, with sonames still libnettle.so.4 and libhogweed.so.2 Available at http://www.lysator.liu.se/~nisse/archive/nettle-2.5.tar.gz ftp://ftp.gnu.org/gnu/nettle/nettle-2.5.tar.gz and soon also at ftp://ftp.lysator.liu.se/pub/security/lsh/nettle-2.5.tar.gz Happy hacking, /Niels Möller -- Niels Möller. PGP-encrypted email is preferred. Keyid C0B98E26. Internet email is subject to wholesale government surveillance.

1 0

Final nettle-2.5 prerelease
by nisse＠lysator.liu.se 06 Jul '12

06 Jul '12

I think everything's in shape for release. But I'll postpone the formal release to an evening *before* having a glass or two of wine. ;-) So here's a final prerelease http://www.lysator.liu.se/~nisse/archive/nettle-2.5-pre2.tar.gz http://www.lysator.liu.se/~nisse/archive/nettle-2.5-pre2.tar.gz.sig Hopefully the 2.5 release will differ in filename only. Regards, /Niels -- Niels Möller. PGP-encrypted email is preferred. Keyid C0B98E26. Internet email is subject to wholesale government surveillance.

1 0

Getting a bit closer to release
by nisse＠lysator.liu.se 05 Jul '12

05 Jul '12

I've done some documentatiion for Salsa20, so we're getting closer to release. See http://www.lysator.liu.se/~nisse/nettle/plan.html. NEWS-file review and some more testing remains on the list. Regards, /Niels -- Niels Möller. PGP-encrypted email is preferred. Keyid C0B98E26. Internet email is subject to wholesale government surveillance.

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