User DannyNiu

2 votes

Understanding Point Negation in secp256k1 Elliptic Curve

answered Nov 18 at 12:39

2 votes

All 32 bit primes on 1 640Mb CD-ROM , and then used as immediate lookup of resulting prime factors, is that even possible, in early 1990s?

answered Nov 12 at 6:01

1 vote

Accepted

Does the use of a passkey (FIDO) link your physical device id, eg IMEI, to that specific passkey?

answered Nov 10 at 9:32

1 vote

Does higher key sizes correspond to a higher security parameter?

answered Nov 9 at 1:03

0 votes

Does "Signing" always mean encrypting a hash

answered Oct 30 at 0:59

1 vote

Best cryptographic algo with asymmetric cost: expensive to sign, cheap to validate

answered Oct 27 at 1:23

0 votes

NIST PQC: minimum number of digital signatures

answered Oct 26 at 6:50

3 votes

Best cryptographic method to distribute license files

answered Oct 20 at 10:05

1 vote

What's the purpose of implicit rejection

answered Oct 18 at 10:56

14 votes

For Symmetric Cryptography, why is it considered more important to safeguard a key than the function/algorithm for encrypting/decrypting a message?

answered Oct 16 at 1:11

-1 votes

Could a EC public key have zero coordinate?

answered Oct 10 at 4:01

1 vote

KangarooTwelve based Random-Access PRNG

answered Sep 14 at 1:26

1 vote

Perfect Secrecy other than One-time Pad

answered Sep 8 at 5:54

3 votes

Accepted

From Entropy's perspective how Encryption affects a Message?

answered Sep 6 at 7:49

2 votes

Deriving $y$-coordinate

answered Sep 5 at 2:35

1 vote

Accepted

Is it wrong that in a JWK, if the "d" value is omitted, that JWK represents a private key?

answered Aug 2 at 6:30

1 vote

Accepted

AES-GCM across multiple packets

answered Jul 29 at 3:18

0 votes

Does the Windows RNG have security problems?

answered Jul 26 at 9:23

2 votes

How is the $\chi$ step of the Keccak permutation invertible?

answered Jul 25 at 11:11

1 vote

Substitution Cipher

answered Jul 21 at 12:18

0 votes

What is simple asymmetric encryption that use arbitrary key?

answered Jul 3 at 7:58

4 votes

Is there a way to get time from signature? Or is it possible to ensure the message was signed at the time that it says it was signed?

answered Jun 28 at 4:29

2 votes

modular reduction using solinas prime

answered Jun 25 at 6:25

1 vote

Is it a bad idea to swap modes/encryption primitives?

answered Jun 15 at 7:07

3 votes

Accepted

KYBER.CPAPKE: IND-CCA Security of Lyubashevsky, Peikert, Regev (LPR) Encryption

answered Jun 15 at 5:15

2 votes

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

answered May 31 at 1:39

1 vote

What's the current status of development of hedged ECDSA and EdDSA?

answered May 22 at 13:37

4 votes

When using AES-256 in combination with HMAC-SHA, should we use SHA-256 or SHA-512?

answered May 6 at 3:44

1 vote

Is it safe or reasonable to use the key parameter in a cryptographic hash function as a counter?

answered Mar 18 at 2:40

2 votes

Accepted

Use name as the initialization vector to encrypt passwords for users

answered Mar 14 at 5:11

Stack Exchange Network

245 Answers

Understanding Point Negation in secp256k1 Elliptic Curve

All 32 bit primes on 1 640Mb CD-ROM , and then used as immediate lookup of resulting prime factors, is that even possible, in early 1990s?

Does the use of a passkey (FIDO) link your physical device id, eg IMEI, to that specific passkey?

Does higher key sizes correspond to a higher security parameter?

Does "Signing" always mean encrypting a hash

Best cryptographic algo with asymmetric cost: expensive to sign, cheap to validate

NIST PQC: minimum number of digital signatures

Best cryptographic method to distribute license files

What's the purpose of implicit rejection

For Symmetric Cryptography, why is it considered more important to safeguard a key than the function/algorithm for encrypting/decrypting a message?

Could a EC public key have zero coordinate?

KangarooTwelve based Random-Access PRNG

Perfect Secrecy other than One-time Pad

From Entropy's perspective how Encryption affects a Message?

Deriving $y$-coordinate

Is it wrong that in a JWK, if the "d" value is omitted, that JWK represents a private key?

AES-GCM across multiple packets

Does the Windows RNG have security problems?

How is the $\chi$ step of the Keccak permutation invertible?

Substitution Cipher

What is simple asymmetric encryption that use arbitrary key?

Is there a way to get time from signature? Or is it possible to ensure the message was signed at the time that it says it was signed?

modular reduction using solinas prime

Is it a bad idea to swap modes/encryption primitives?

KYBER.CPAPKE: IND-CCA Security of Lyubashevsky, Peikert, Regev (LPR) Encryption

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

What's the current status of development of hedged ECDSA and EdDSA?

When using AES-256 in combination with HMAC-SHA, should we use SHA-256 or SHA-512?

Is it safe or reasonable to use the key parameter in a cryptographic hash function as a counter?

Use name as the initialization vector to encrypt passwords for users