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Cryptography
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otus

I'm a programmer and computer science student, with an interest in Python, crypto and algorithms in general.

Please don't contact me directly about your Stack Exchange questions.

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  • Finland
  • jvarho
  • jan.varho.org
  • Member for 4 years, 9 months
  • 933 profile views
  • Last seen 5 hours ago

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Top Posts (647) All Questions Answers | Votes Newest

45 What is a “freestart collision”? Oct 8 '15
39 Are checksums essentially non-secure versions of cryptographic hashes? Feb 21 '16
36 Is secp256r1 more secure than secp256k1? Sep 4 '14
33 Can Shannon's entropy be used to determine if a file is encrypted? Jun 29 '16
22 Can I remove newlines in a public key? Sep 10 '14
21 What is the new attack on SHA-1 “SHAttered” and how does it work? Feb 23 '17
21 Is HMAC needed for a SHA-3 based MAC? Jun 29 '14
19 HMAC-SHA1 vs HMAC-SHA256 Aug 17 '15
18 Is it possible to recover the seed used by Python's pseudo-random number generator? Dec 9 '17
18 Did a certain cryptography method get abandoned due to security flaws in the past? Jun 5 '16
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