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DrLecter's user avatar
DrLecter's user avatar
DrLecter's user avatar
DrLecter
  • Member for 10 years, 8 months
  • Last seen this week
  • Munich, Germany
2 votes
Accepted

Anonymity problem after voting with blind signatures

2 votes

How to break Universal Re-Encryption algorithm?

5 votes

What is an example of a secure sigma proof?

2 votes

Discrete logarithm hash function Exercises

7 votes

textbook RSA signature scheme security

4 votes
Accepted

Confused about how chosen ciphertext attacks work?

1 vote

Why is only one oracle + challenge-response phase sufficient for IND-CPA security?

5 votes
Accepted

Difference between oracle behavior and real execution

1 vote
Accepted

In bilinear pairings, is it possible to let someone be only able to decrypt ciphertexts in $G_1$ but not able to decrypt the ciphertexts in $G$?

2 votes
Accepted

On the fly signatures and zero-knowledge

3 votes
Accepted

Why is the definition of Special-honest verifier zero-knowledge probabilistic?

3 votes
Accepted

What does “simulator” and “interactive” mean in a cryptographic credential system's definition of security?

1 vote
Accepted

Partial Homomorphic Schemes that are probabilistic

18 votes
Accepted

Difference between Pedersen commitment and commitment based on ElGamal

2 votes

Does the Paillier system remain secure if it is used to encrypt only binary values, i.e. {0, 1}?

3 votes
Accepted

Altering the message space of Paillier

14 votes
Accepted

uniform vs. non-uniform PPT

5 votes
Accepted

What kind of Quantum cryptography technology(protocols) can be used for Mobile Ad hoc networks(MANETS)?

3 votes
Accepted

What does variable-base point/scalar multiplication mean in ECC?

35 votes
Accepted

What is the difference between uniformly and at random in crypto definitions?

1 vote
Accepted

Reordering of multiple signed blocks

4 votes

How to compute accumulated values in bilinear map accumulators

1 vote

Weak Boneh-Boyen Signature in Composite order group

74 votes
Accepted

What is Attribute Based Encryption?

3 votes
Accepted

Hardness of problem related to bilinear pairings

4 votes

Does a cryptosystem provide unconditional security if and only if it provides perfect secrecy?

4 votes
Accepted

How to use ElGamal to encrypt zero?

1 vote
Accepted

RSA-blind signatures vs. DSA-blind signatures

8 votes

Explanation of the Fiat-Shamir heuristic

1 vote
Accepted

Proving correctness of a decryption of a homomorphically summed ciphertext?

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