User Steve Peltz - Cryptography Stack Exchange

Steve Peltz

Member for 9 years
Last seen more than 5 years ago

16 Answers

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22 votes

How much would it cost in U.S. dollars to brute-force a 256-bit key in a year?

answered May 4, 2015 at 5:32

12 votes

Why aren't zero-knowledge proofs used in practice for authentication?

answered Apr 30, 2015 at 5:07

4 votes

Does SRP reduce to DH key exchange when shared password is not secret?

answered Apr 24, 2015 at 21:53

4 votes

Accepted

Yubico's take on U2F key wrapping

answered Apr 29, 2015 at 21:33

3 votes

Accepted

curious DHE implementation for key exchange

answered Jul 18, 2015 at 19:43

2 votes

Accepted

poodle padding multiple blocks?

answered Jun 1, 2015 at 16:30

2 votes

Is it safe to use a secret salted hash of a public id for client to prove ownership of id to a server that knows salt but does not store ids?

answered May 1, 2015 at 7:51

1 vote

Is this variant of SRP for peer-to-peer authentication practical?

answered May 12, 2015 at 2:43

1 vote

DH with AES - is that an acceptable security scheme over UPnP?

answered May 12, 2015 at 19:54

1 vote

Accepted

Generate a list of valid ASCII codes

answered May 15, 2015 at 23:44

1 vote

Authenticated EC key exchange without a signing/signature scheme?

answered May 22, 2015 at 16:27

1 vote

Accepted

Operation modes of block ciphers how are used?

answered May 27, 2015 at 21:17

0 votes

Accepted

How to decrypt a PGP message with only the two primes and the public exponent?

answered May 29, 2015 at 13:03

0 votes

One time pad in CBC mode?

answered May 31, 2015 at 20:17

0 votes

Would this method deliver a perfectly non-malleable encryption for at least two blocks?

answered May 23, 2015 at 22:09

0 votes

SHA-512 partial preimage

answered Apr 29, 2015 at 18:31