Cryptography
Profile Activity
Meta user
Network profile
1,395
reputation
1
13
16

John Gietzen

Stack Overflow

1
answer
4
questions
~53k
people reached
  • Seattle, WA
  • otac0n
  • otac0n
  • otac0n.com
  • Member for 9 years, 6 months
  • 98 profile views
  • Last seen Feb 25 '20 at 3:26

Communities (45)

Top Meta Posts
0
1

Top network posts

Top tags (0)

This user has not participated in any tags.

Top posts (5)

All Questions Answers
Votes Newest
44 Is there a secure cryptosystem that can be performed mentally? Sep 28 '11
36 What are preimage resistance and collision resistance, and how can the lack thereof be exploited? Nov 12 '11
23 With sufficient randomness, is XOR an acceptable mechanism for encrypting? Jul 12 '11
22 Is it feasible to build a stream cipher from a cryptographic hash function? Jul 12 '11
2 Properties of PRNG / Hashes? Aug 2 '11

Badges (30)

Gold

1

Rarest

Silver

13

Rarest

Bronze

16

Rarest

View all badges →