Cryptography
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Maeher's user avatar
Maeher's user avatar
Maeher
  • Member for 12 years, 6 months
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  • Bochum, Germany
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134 Answers

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2 votes

Probability that an attacker wins the discrete logarithm game when exponents are drawn from a subset

2 votes
Accepted

Definition of the Decryption oracle

2 votes

How to show that a function is not a PRP?

2 votes

Who can create a MAC? Who can verify a MAC?

2 votes

What does the〈 〉notation mean in this situation?

2 votes
Accepted

Probability for success of exhaustive search on PRF keys

2 votes

Why probabilistic syntax for encryption schemes?

2 votes
Accepted

Safety of encryption when knowing part of the content

2 votes
Accepted

PRFs / hash functions with a parameter amount of 'hot' bits?

2 votes
Accepted

Hash function construction

2 votes
Accepted

Do probabilistic one-way functions imply deterministic one-way functions?

2 votes
Accepted

Is an HMAC based on a second-preimage resistant hash function always unforgeable?

2 votes
Accepted

Can a CCA-secure cryptosystem be used as a CMA-secure MAC?

2 votes

Regarding application of ring signatures

2 votes
Accepted

Proving negligible function

2 votes
Accepted

About Levin's constructure of universal OWF, why $\log n$ bits TM can work?

1 vote

Why are most KeyGen algorithms constructed to be probabilistic algorithms?

1 vote

Is this Zero Knowledge interactive proof for Quadratic non-residuosity proper?

1 vote

Replacing the Hash function with messages in the BLS signature scheme, the security degenerates from EUF to SUF?

1 vote
Accepted

Explaining: The probability of breaking an encryption scheme

1 vote
Accepted

Constant size commitment to a membership of a fixed size of elements

1 vote

How can i check if a public key match with a private key

1 vote
Accepted

Is Commitment Scheme with hash function is a perfectly hiding scheme?

1 vote

Mac-sforge motivation for storing pairs

1 vote
Accepted

What does public-coin mean in interactive proof and zero-knowledge?

1 vote

How to play Mental Skull

1 vote
Accepted

RIBE Scheme Implementation - How to encrypt message

1 vote
Accepted

Why do we need HMAC?

1 vote

Implications of reversing CBC encryption

1 vote

Looking for cipher that uses one ciphertext