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bk2204's user avatar
bk2204's user avatar
bk2204's user avatar
bk2204
  • Member for 3 years, 4 months
  • Last seen more than a week ago
1 vote
Accepted

Digest Signing for GPG Packages

1 vote
Accepted

How to design a reversible shifted XOR with an S-box?

4 votes
Accepted

Why is DUKPT TDES allowed by PCI negating NIST

9 votes
Accepted

What is better source of random bytes: Yubikey or /dev/random (or both)?

2 votes

Are USB TRNGs still useful given the recent /dev/(u)random merger?

2 votes
Accepted

Is there a TLS cipher suite with perfect forward secrecy (PFS) but without authentication, i.e. anonymous, ephemeral key exchange?

4 votes
Accepted

Random based on video input, why isn't there some predictability

3 votes
Accepted

What does "gpg: RSA/AES256.CFB encrypted for" mean?

1 vote
Accepted

sign a JWT with RS256 using a RSA-PSS SHA256 key pair?

2 votes
Accepted

Relation between seed entropy of a CSPRNG and the output entropy

2 votes

What does "192-bit equivalent" mean for WPA3?

1 vote

Rationale for BLAKE2 message schedule?

1 vote

How do bad actors manipulate game results in real time within 'provably fair' gaming systems?

1 vote
Accepted

Should I Test A PRNG Using A Fixed Entropy Source For Its Seed?

1 vote
Accepted

TLS 1.2, encrypt_then_mac. No sequence number in packet?

2 votes
Accepted

Can this algorithm be called a RNG?

4 votes

Is Argon2 based on BLAKE2b or is it only using the BLAKE2b at the end?

1 vote

Sponge construction versus Merkle-Damgard For Hashing based on the very same primitive

2 votes

Is keccak256 (and similar hash functions) a suitable KBKDF for 256-bit keys?

1 vote
Accepted

Is it safe to sign a short token with salted md5

1 vote

How does AES-GCM and AES-CCM provide authenticity?

1 vote

If we supply a random uuid4 hashed salt to Hashid, will it be considered secure?

12 votes
Accepted

Would sending audio fragments over a phone call be considered a form of cryptology?

2 votes

Can the last n bitcoin blocks (including transactions) be reliable enough to be used as a seed for a PRNG or an input to a crypto hash-function?

13 votes
Accepted

Why Ed25519 encodes y-coordinates rather than x-coordinates

4 votes
Accepted

Example situation where an authentication tag can prevent an attack?

3 votes

Can we still use 64-bit block ciphers?

5 votes
Accepted

Is sha3 a one-way funtion

1 vote
Accepted

ECDH security vs. type of elliptic curve

3 votes
Accepted

What kind of symmetric key ciphers are secure thanks to the intrinsic cryptographic method instead of making the key length very long and secure?