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ThePiachu
  • Member for 12 years, 5 months
  • Last seen more than 4 years ago
30 votes
1 answer
20k views

How strong is the ECDSA algorithm?

20 votes
3 answers
7k views

Are there any secure commutative ciphers?

14 votes
3 answers
12k views

How can I calculate the SHA-256 "midstate"?

12 votes
2 answers
8k views

Are there any Secp256k1 ECDSA test examples available?

11 votes
4 answers
6k views

What is the largest performed/possible bruteforce attack to date?

9 votes
3 answers
1k views

Is there some way to generate a non-predictable random number in a decentralised network?

7 votes
1 answer
4k views

Hashing passwords with a salt - why use different salt for everyone?

7 votes
2 answers
9k views

How to generate a public key from a private ECDSA key?

6 votes
1 answer
787 views

How to properly add ECDSA private keys?

6 votes
1 answer
2k views

Security of Pohlig-Hellman exponentation cipher?

6 votes
1 answer
376 views

How can I use Weierstrass curve operations with a=-3 for implementing operations for a=0?

5 votes
1 answer
298 views

Academic papers on ECDSA security

5 votes
2 answers
833 views

What is the canonical way of creating Merkle tree branches?

4 votes
1 answer
502 views

How can I store confident data with OpenID?

3 votes
1 answer
248 views

A set of key pairs and one hash to secure them

3 votes
3 answers
604 views

Secure communication between multiple peers on a public channel

2 votes
1 answer
3k views

Where can I find Secp256k1 ECDSA test vectors?

2 votes
1 answer
321 views

Proof of work for determining whether a number is prime?

1 vote
1 answer
116 views

Safety when disclosing hashes of secrets used to calculate other secrets

-1 votes
1 answer
708 views

How to secure a mental poker protocol? [closed]