User Evgeni Vaknin - Cryptography Stack Exchange

Evgeni Vaknin

Member for 9 years, 2 months
Last seen more than a month ago

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11 Answers

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5 votes

Accepted

Perfectly secure shift cipher

answered Sep 7, 2014 at 17:54

4 votes

Accepted

Why is the NIST recommendation for the private key exponent so much smaller than the modulus?

answered Jul 18, 2019 at 20:00

2 votes

Impacts of not using RSA exponent of 65537

answered May 22, 2020 at 13:22

2 votes

RSA: revealing the modulus factorization by choosing a bad message

answered Jul 27, 2016 at 18:55

1 vote

Difference between RFC-5869 (HKDF) and SP800-108 (Nist's HMAC-based KDF spec)?

answered May 20, 2019 at 13:40

1 vote

SHA2 vs SHA3 popularity

answered Nov 2, 2022 at 4:23

0 votes

Is message integrity possible without confidentiality? Are there any mainstream protocols?

answered Dec 26, 2017 at 20:40

0 votes

Is a PRF always collision resistant?

answered Dec 26, 2017 at 20:44

0 votes

SHACAL in SHA-256

answered Apr 25, 2015 at 4:32

0 votes

Would asymmetric cryptography be feasible in World War II?

answered Aug 6, 2020 at 6:56

-1 votes

Should we sign-then-encrypt, or encrypt-then-sign?

answered May 19, 2020 at 3:36