Re: [cryptography] the Zcash Open Source Miner Challenge (and about Zcash in general)

On Wed, Nov 9, 2016 at 3:07 PM, Jaromil wrote: > > ...but ZCash feels a bit scammy. Its pumped up entry on the market > burnt a lot of people's money... is it just their fault being stupid? … > Sincerely, I'm not trolling. Seeing there is some space for a civil > conversation,

[cryptography] the Zcash Open Source Miner Challenge (and about Zcash in general)

Hi folks! I've been quiet on this list for a while now. I've been hard at work on creating a Bitcoin-like cryptocurrency with zero-knowledge-based crypto: https://z.cash This is the most sophisticated crypto that I've ever seen someone attempt to deploy at scale to the Internet. (By all means

Re: [cryptography] Should Sha-1 be phased out?

On Tue, Oct 20, 2015 at 8:00 AM, Joachim Strömbergson wrote: > > Esp in embedded space, md5 is still very, very common even in new > designs. And SHA-1 is the new black. > > A typical setup is that someone has found out that there is a secure > hash function called md5

Re: [cryptography] hashes based on lots of concatenated LUT lookups

Dear Eugen: There have been several experiments in this direction, using memory-hard proofs-of-work. For example, this was the motivation for Litecoin (https://en.wikipedia.org/wiki/Litecoin) to use scrypt in its Proof-of-Work. To my knowledge, the state-of-the-art design is John Tromp's Cuckoo

Re: [cryptography] [zfs] [Review] 4185 New hash algorithm support

On Mon, Oct 28, 2013 at 6:49 AM, Richard Elling richard.ell...@gmail.com wrote: I hate to keep this thread going, but it cannot end with an open-ended threat... please, let's kill it off nice and proper. Hey, I don't want to waste anyone's time, including my own. If nobody is interested in

Re: [cryptography] [zfs] [Review] 4185 New hash algorithm support

On Tue, Oct 22, 2013 at 6:05 AM, Schlacta, Christ aarc...@aarcane.org wrote: If any weakened algorithm is to be implemented, how can we know how weak is too weak, and how strong is sufficient? Each professional Cryptographer has given different opinions and all those at our immediate

[cryptography] my comment to NIST about reduced capacity in SHA-3

Date: Tue, 1 Oct 2013 15:45:27 -0400 From: zooko zo...@zooko.com To: Multiple recipients of list hash-fo...@nist.gov Subject: Re: On 128-bit security Folks: Here are my personal opinions about these issues. I'm not expert at cryptanalysis. Disclosure: I'm one of the authors of BLAKE2 (but not

Re: [cryptography] Reply to Zooko (in Markdown)

Dear Jon: Thank you for your kind words and your detailed response. I am going to focus only on the issue that I think is most relevant and urgent for your customers and mine. That urgent issue is: what's the difference between the now-canceled Silent Mail product and the products that you are

[cryptography] open letter to Phil Zimmermann and Jon Callas of Silent Circle, re: Silent Mail shutdown

also posted here: https://leastauthority.com/blog/open_letter_silent_circle.html This open letter is in response to the `recent shutdown of Lavabit`_ , the ensuing `shutdown of Silent Circle's “Silent Mail” product`_, `Jon Callas's posts about the topic on G+`_, and `Phil Zimmermann's interview

[cryptography] LeastAuthority.com announces PRISM-proof storage service

Dear people of the cryptography@randombit.net mailing list: For obvious reasons, the time has come to push hard on *verifiable* end-to-end encryption. Here's our first attempt. We intend to bring more! We welcome criticism, suggestions, and requests. Regards, Zooko Wilcox-O'Hearn Founder,

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

On Tue, Aug 13, 2013 at 5:16 PM, Peter Saint-Andre stpe...@stpeter.im wrote: On 8/13/13 11:02 AM, ianG wrote: Super! I think a commercial operator is an essential step forward. How so? Centralization via commercial operators doesn't seem to have helped in the email space lately. It helps

[cryptography] ANNOUNCING Tahoe-LAFS v1.10

ANNOUNCING Tahoe, the Least-Authority File System, v1.10 The Tahoe-LAFS team is pleased to announce the immediate availability of version 1.10.0 of Tahoe-LAFS, an extremely reliable distributed storage system. Get it here: https://tahoe-lafs.org/source/tahoe-lafs/trunk/docs/quickstart.rst