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otus
  • Member for 10 years
  • Last seen more than 2 years ago
6 votes
Accepted

Why don't we use bcrypt and scrypt together?

6 votes

Extracting a WinRAR password?

6 votes
Accepted

When to use /dev/random over /dev/urandom in Linux

5 votes

Best way to generate a IV for AES-CBC when encrypting files?

5 votes
Accepted

Why do cryptographers need loads of true random numbers?

5 votes
Accepted

Entropy estimation by Linux Kernel when adding entropy from TRNG

5 votes
Accepted

Is it possible to work out the hash using length extension attack but with different hashes type?

5 votes

What, cryptographically speaking, is a "long message"?

5 votes
Accepted

Elliptic curve parameters

5 votes
Accepted

Can a 1 byte difference in AES 128 bit keys make huge difference in output?

5 votes

What are the advantages of using OFB (Output Feedback Mode)?

5 votes
Accepted

How much pre-hashing a password increase security against brute force attack?

5 votes

SHA-256 exhaustive search

5 votes
Accepted

Security impact of signing small data using RSA

5 votes
Accepted

AES storing the length within the encrypted data versus storing it outside

5 votes

One time pad ciphers in emails

5 votes
Accepted

Are hash functions chaotic?

5 votes
Accepted

Why is 224 bit ecdsa faster than 192 bit ecdsa?

5 votes
Accepted

Is SHA256 good enough to shrink a key?

5 votes
Accepted

Is it possible to get better randomness by using multiple PRNGs?

5 votes
Accepted

Advantages of making streamcipher stream depend on plaintext?

5 votes
Accepted

Can I crack an AES string if I have all these parameters?

5 votes
Accepted

Implementing CD serial key system

5 votes

Which algorithm do you recommend for practical use to generate unique passwords for each website?

5 votes
Accepted

Where can I download a database of RSA keys?

5 votes

How feasible is word-level frequency analysis over English (or any language)?

5 votes
Accepted

Generating unbiased numbers with a biased six sided die?

5 votes
Accepted

Are shorter password hashes safe?

5 votes

Same 64-bit preimage resistance security for SipHash and SHA-512/64?

5 votes

Secure content-defined chunking

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