Re: [Cryptography] RSA recommends against use of its own products.

2013-09-29 Thread James A. Donald
On 2013-09-27 09:54, Phillip Hallam-Baker wrote: Quite, who on earth thought DER encoding was necessary or anything other than incredible stupidity? I have yet to see an example of code in the wild that takes a binary data structure, strips it apart and then attempts to reassemble it to

[Cryptography] NIST about to weaken SHA3?

2013-09-29 Thread Christoph Anton Mitterer
Hey. Not sure whether this has been pointed out / discussed here already (but I guess Perry will reject my mail in case it has): https://www.cdt.org/blogs/joseph-lorenzo-hall/2409-nist-sha-3 This makes NIST seem somehow like liars,... on the one hand they claim to surprised by the alleged

[Cryptography] TLS2

2013-09-29 Thread ianG
On 28/09/13 20:07 PM, Stephen Farrell wrote: b) is TLS1.3 (hopefully) and maybe some extensions for earlier versions of TLS as well SSL/TLS is a history of fiddling around at the edges. If there is to be any hope, start again. Remember, we know so much more now. Call it TLS2 if you

Re: [Cryptography] RSA equivalent key length/strength

2013-09-29 Thread Jerry Leichter
On Sep 28, 2013, at 3:06 PM, ianG wrote: Problem with the NSA is that its Jekyll and Hyde. There is the good side trying to improve security and the dark side trying to break it. Which side did the push for EC come from? What's in Suite A? Will probably illuminate that question... The actual

Re: [Cryptography] RSA recommends against use of its own products.

2013-09-29 Thread Jerry Leichter
On Sep 26, 2013, at 7:54 PM, Phillip Hallam-Baker wrote: ...[W]ho on earth thought DER encoding was necessary or anything other than incredible stupidity?... It's standard. :-) We've been through two rounds of standard data interchange representations: 1. Network connections are slow,

Re: [Cryptography] RSA equivalent key length/strength

2013-09-29 Thread Lodewijk andré de la porte
2013/9/29 James A. Donald jam...@echeque.com (..) fact, they are not provably random, selected (...) fixed that for you It seems obvious that blatant lying about qualities of procedures must have some malignant intention, yet ignorance is as good an explanation. I don't think lying the other

Re: [Cryptography] RSA equivalent key length/strength

2013-09-29 Thread James A. Donald
On 2013-09-30 03:14, Lodewijk andré de la porte wrote: 2013/9/29 James A. Donald jam...@echeque.com mailto:jam...@echeque.com (..) fact, they are not provably random, selected (...) fixed that for you It seems obvious that blatant lying about qualities of procedures must have some

Re: [Cryptography] RSA equivalent key length/strength

2013-09-29 Thread James A. Donald
Gregory Maxwell on the Tor-talk list has found that NIST approved curves, which is to say NSA approved curves, were not generated by the claimed procedure, which is a very strong indication that if you use NIST curves in your cryptography, NSA can read your encrypted data. As computing power

Re: [Cryptography] RSA recommends against use of its own products.

2013-09-29 Thread Peter Gutmann
Phillip Hallam-Baker hal...@gmail.com writes: Quite, who on earth thought DER encoding was necessary or anything other than incredible stupidity? At least some X.500/LDAP folks thought they could do it. Mind you, we're talking about people who believe in X.500/LDAP here... Peter.

Re: [Cryptography] RSA equivalent key length/strength

2013-09-29 Thread Viktor Dukhovni
On Mon, Sep 30, 2013 at 10:07:14AM +1000, James A. Donald wrote: Therefore, everyone should use Curve25519, which we have every reason to believe is unbreakable. Superceded by the improved Curve1174. http://cr.yp.to/elligator/elligator-20130527.pdf -- Viktor.

Re: [Cryptography] NIST about to weaken SHA3?

2013-09-29 Thread James A. Donald
On 2013-09-30 13:12, Christoph Anton Mitterer wrote: https://www.cdt.org/blogs/joseph-lorenzo-hall/2409-nist-sha-3 This makes NIST seem somehow like liars If one lie, all lies. ___ The cryptography mailing list cryptography@metzdowd.com

Re: [Cryptography] NIST about to weaken SHA3?

2013-09-29 Thread Viktor Dukhovni
On Mon, Sep 30, 2013 at 05:12:06AM +0200, Christoph Anton Mitterer wrote: Not sure whether this has been pointed out / discussed here already (but I guess Perry will reject my mail in case it has): https://www.cdt.org/blogs/joseph-lorenzo-hall/2409-nist-sha-3 I call FUD. If progress is to

Re: [Cryptography] RSA recommends against use of its own products.

2013-09-29 Thread James A. Donald
On 2013-09-29 23:13, Jerry Leichter wrote: BTW, the *idea* behind DER isn't inherently bad - but the way it ended up is another story. For a comparison, look at the encodings Knuth came up with in the TeX world. Both dvi and pk files are extremely compact binary representations - but