ckamath's user avatar
ckamath's user avatar
ckamath's user avatar
ckamath
  • Member for 10 years, 1 month
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34 votes
Accepted

What do the signature security abbreviations like EUF-CMA mean?

22 votes

Why are only lattice problems used in cryptography?

17 votes
Accepted

Overview of relations between cryptographic primitives?

14 votes
Accepted

Collision Resistant Hashing from One-Way Functions?

13 votes
Accepted

Are DSA and ECDSA provably secure assuming DL security?

13 votes
Accepted

What does it mean to be "sound"?

11 votes

What is the difference between PRF and a Random Oracle?

8 votes

Diffie-Hellman: difficulty of computing $g^{x^2}$ given $g^x$?

8 votes

Prove the Security of Schnorr's Signature Scheme

7 votes
Accepted

(EC)DSA signature without hashing, or with offloaded hash?

7 votes
Accepted

Relationship between existence of OWFs and OWPs

7 votes
Accepted

Diffie-Hellman with Galois field

7 votes
Accepted

Introduce a reference for cryptanalysis of WhatsApp software

6 votes

Is the one-more discrete log problem hard in the Generic Group Model?

6 votes
Accepted

What is the difference between Module-LWE and Ring-LWE?

6 votes
Accepted

Is there a way to compress multiple signatures of the same data?

6 votes
Accepted

Better lower bound on min-entropy

5 votes
Accepted

Is there any proof for ECDSA signature algorithm?

5 votes
Accepted

Problem with Fiat-shamir on poly-round interactive protocol?

5 votes
Accepted

Can one-way permutations be constructed from one-way functions?

5 votes
Accepted

How to calculate the n in n-bit security of a crypto algorithm?

4 votes

Indistinguishable Obfuscation vs Functional Encryption

4 votes
Accepted

Interactive Proofs: Why $\delta \lt \frac 13$ for Soundness & Completeness?

4 votes

How do you instantiate a Random Oracle?

4 votes
Accepted

What does 'a reduction is tight' mean rigorously?

4 votes
Accepted

UOWHF vs CRHF / Relevance of UOWHF

4 votes
Accepted

Zero-Knowledgeness of Fiat-Shamir heuristic

4 votes

Does secure hashing imply secure symmetric encryption?

4 votes
Accepted

Proof of lemma 1 Paillier encryption

4 votes
Accepted

randomness of encrypt