Thomas Pornin's user avatar
Thomas Pornin's user avatar
Thomas Pornin's user avatar
Thomas Pornin
  • Member for 12 years, 8 months
  • Last seen more than a week ago
10 votes

What is the smallest plaintext/ciphertext size for an algorithm like?

10 votes

What is the signature scheme with the fastest batch verification protocol for multiple signers?

10 votes

Key Length & Hashing

10 votes

Does AES have any fixed-points?

10 votes
Accepted

Is Blowfish strong enough for VPN encryption?

10 votes

Why would you expect to find a collision in a hash function after approximately $\sqrt{n}$ hashes?

10 votes
Accepted

Is it reasonable to assure that p-1 and q-1 aren't smooth?

10 votes
Accepted

Using a Non-Random IV with modes other than CBC

10 votes
Accepted

How to calculate the time it'll take to crack RSA or DH?

9 votes
Accepted

Accelerating SHA-1

9 votes

How can rainbow tables be used for a dictionary attack?

9 votes
Accepted

How key materials are generated in SSL V3 from master secret

9 votes

How are constructs with data-dependent swaps and rotations cryptanalyzed?

9 votes
Accepted

Mapping points between elliptic curves and the integers

9 votes
Accepted

How exactly are GPG keys (and prime numbers inside of GPG) mathematically related?

9 votes
Accepted

Reduction from signatures to encryption?

9 votes

Constructing a block-cipher from a hash function

9 votes

Which stream cipher can we replace the RC4 in the SSL?

9 votes

What is necessary for generating an elliptic curve?

9 votes
Accepted

Is there an alternative AES schedule?

9 votes

Are there any known weaknesses with ElGamal algorithm?

9 votes

AES VS PRNG+HASH+XOR

9 votes
Accepted

With OpenSSL and ECDHE, how to show the actual curve being used?

9 votes

Advantages of bilinear map

9 votes
Accepted

Isn't the deterministic property of (EC)DSA a security problem?

9 votes
Accepted

Formal Proof of Shamir's Secret Sharing Scheme Security

9 votes
Accepted

What's a good strategy for the game "spyfall"?

9 votes
Accepted

IV in Galois Counter Mode

8 votes

Recovering private key from Secp256k1 signatures

8 votes

primitive root of a very big prime number (Elgamal DS)

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