So far I've got quite a bit in there... - bit buffer - Move to front - Elias Gamma Coding - Probability Modeller - Arithmetic Coder - Blocksort transform I've...
That previous LibTom email was a spam from someone who took the time to sign up then send the email.... wow... that's pretty obnoxious. I've banned that userID...
The ltc.org site is a tad "slow" for uploading [I'll have to talk with Dan about it]. Right now I'm sittin on LTZ v0.01 and LTN v0.06 waiting to upload them. ...
Just FYI all 16 configs of Twofish build and execute fine. I never really tested it this thoroughly before [mm... I mean I did... ;-)]. Basically I took the...
Folks First of all excellent work on libtomcrypt. I am using parts of the libtomcrypt code in a group communication setting in the openais project (see...
Tom Thanks for your response. I have a couple questions inline... ... Then to decrypt, I would use PKCS #5 Algorithm #2 to regenerate with K and the salt...
I noticed there is an apparent bug in the pkcs_5_2.c code which results in a segmentation fault relating to the performance tests I tried in the last message I...
... results ... in the ... to the ... buf[0] ... also ... zeromem. ... Yup. Admitedly I didn't actually test the function [I'm trying to find test vectors...
... with K ... keys? ... the ... then ... true? ... Basically yeah. I was under the impressions the various messages were disjoint. If there is a correlation...
Hi, marc4 is simply arc4 (rc4) that is modified to discard the first 256 bytes of the keystream as a workaround to the only known weakness in rc4/arc4. Having...
... I'm going to write a simple test script in ruby to compare the output of crypto++ 5.2 and libtomcrypt 0.97a+ (patched with pkcs_5_2.c fix) of the...
... While I agree with the philosophy of marc4 (my own "arrsyfor" implementation does exactly that) I have to dispute that this is the only known weakness of...
Greg Rose
ggr@...
Jul 21, 2004 12:46 am
265
... 256 ... in ... I don't see why you can't just use the existing code and just dump 256 bytes to a buffer? Note that I only really included RC4 to be used as...
... I'm still trying to get past the seg fault issue. The patch didn't work for me. I'm double-checking now to see if I messed up such a simple thing. My...
... pkcs_5_2.c ... HMAC ... didn't ... I'll add that to the list of things to do tommmorow [which also include re-write a paper, start a seminar, remove...
... [snip] Thanks Steve, your patch help resolve the seg fault. Here's another patch which I just added (it includes yours). It makes the cipher_key output of...
Thanks for the patches. They'll appear in v0.98. Tom ... results ... tried in the ... to the ... buf[0] ... also ... zeromem. ... makes ... by ... match. ... ...
I recently got a copy of Practical Cryptography and am reading through Fortuna. I like the the design mostly because I like how it overcomes various ...
... only ... Did you discover a bias in rc4 that cannot be eliminated by discarding some of the initial bytes? I was under the impression that getting rid of...
It would be great if you added one or more of these modern stream ciphers as an alternative to rc4. Not sure if you want to make them part of a new category...
... them ... Not a recognized standard. ... Maybe, I'd have to read more about it. Do you have any URLs to the papers handy? ... the ... as rc4. All of these...
... Yes and no. The existence of two completely different biases was discovered by Fluhrer & McGrew, and Golic', respectively, not me. I have also ...
Greg Rose
ggr@...
Jul 22, 2004 1:19 pm
276
... AES-CTR and AES-CFB are simply too slow for certain applications. Fast stream ciphers (even unproven ones) would be useful in scenarios where speed is more...
... discovered ... using ... structure ... newsgroup, if ... references. ... recovery ... biases. ... even agree ... ciphers are ... Greg, Thanks for the info....
... Well let's go through your list. ISAAC lacks peer review. SEAL has patents. SCREAM is not recommended for use [EVEN BY THE AUTHORS!], HELIX is too new. ...
Hi, ... [Richard] ... DES? Yes, seriously. You're talking about an environment where you only need to protect data for the tiniest amount of time. There...
Trevor Davel
TrevorD@...
Jul 22, 2004 2:03 pm
280
... As it's principal designer, I think it's great! But seriously, except for a glitch when you use maximum-length keys and IVs simultaneously, it is holding...
Greg Rose
ggr@...
Jul 22, 2004 2:09 pm
281
... It's too ... evolution of an ... analysed and ... RC4, uses ... talking ... and ... Hehehe, ok I'll take a look at it. Right now I got "a bit" piled up....
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