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e-sushi
  • Member for 9 years, 2 months
  • Last seen more than a month ago
8 votes
Accepted

What is it meant by a "hybrid argument"?

11 votes

Desirable S-box properties

4 votes

Can someone give me an example of a Merkle–Damgård transformation?

11 votes
Accepted

What changed in PKCS#1 v2.2, and why?

5 votes

Frequency analysis of transposition ciphers

8 votes

How does one verify a GPG/PGP key revocation?

3 votes
Accepted

If you wrote a reversible SHA-256 algorithm, how many "metadata" bits would be required for reversability?

0 votes

Size of A Hashed String Using SHA-512

3 votes
Accepted

Decrypting SHA-512

3 votes

Is there a consensus on what text encoding to use when hashing a string?

1 vote

How can I create a stream cipher from a block cipher?

4 votes

Is it possible for a cryptographic algorithm to limit the number of times a package/ciphertext can be decrypted?

4 votes

How to interpret the article claiming NIST P-256 curve to be unsafe?

2 votes

Multiple Encryption - One-Time Pad

4 votes

Is it possible to crack a LFSR encrypted file without using bruteforce?

3 votes

Writing your own Encryption algorithm?

3 votes

FIPS 140-2, Level 1 validation vs. compilation

4 votes

How to attack RSA with 13 primes

16 votes

Do any non-US ciphers exist?

9 votes

Why is SHA3 prefixed with SHA despite the fact that it is structurally different from SHA2 and SHA1?

20 votes

Why is SHA-3 a Sponge function?

4 votes

What is an example of asymmetric cryptography?

1 vote

Anti-spamming hash-based proof-of-work?

0 votes

secretKey ⊕ (secretKey ≪ 1), is randomness lost?

4 votes

Best way to encrypt lots of private keys with the same passphrase

3 votes
Accepted

Is it generally considered acceptable for app owners to be able to retrieve private keys from users when their apps offer end-to-end encryption?

1 vote
Accepted

How does Naver Line PC client obtain private key for end-to-end encryption (letter-sealing)?

29 votes

Zero knowledge proof protocol example?

15 votes

Did non-military cryptography appear in the 50's and 60's only due to NSA leaks?

9 votes

What happens if a SHA-256 input is too long (longer than 512 bits)?

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