User neubert

5 answers

17 votes

3k views

6 bookmarks

Creating a small number from a random octet string

random-number-generator

Dec 15 '12 at 16:48

2 answers

16 votes

2k views

1 bookmarks

How did || come to be used in crypto texts to represent concatenation?

Dec 24 '18 at 4:15

1 answers

10 votes

448 views

3 bookmarks

how does BearSSL's GCM modular reduction work?

finite-field gcm aes-gcm

Jan 13 '19 at 2:06

1 answers

9 votes

1k views

why did oaep change from pkcs1 v2.0 and v2.1?

rsa oaep pkcs1

Sep 16 '16 at 16:23

0 answers

8 votes

186 views

2 bookmarks

GCM with reversed poly

finite-field gcm aes-gcm

Jan 8 '19 at 13:28

3 answers

7 votes

4k views

2 bookmarks

Why does OpenSSL differentiate between PSS and non-PSS for private key generation?

rsa keys openssl rsa-pss

May 9 '19 at 1:50

1 answers

7 votes

12k views

ECDSA private key format

public-key elliptic-curves file-format

Jun 29 '17 at 4:11

1 answers

7 votes

636 views

1 bookmarks

preferred method for generating k for DSA / ECDSA

signature dsa

Dec 25 '16 at 22:07

1 answers

7 votes

869 views

Can non-assembly crypto libraries truly be secure against timing attacks?

implementation timing-attack

Aug 2 '15 at 3:29

1 answers

6 votes

1k views

1 bookmarks

Ed25519 PKCS8 private key example from IETF draft seems malformed

public-key elliptic-curves ed25519 pkcs8

Jun 7 '18 at 11:14

1 answers

6 votes

3k views

1 bookmarks

Transforming SHA-512 into SHA-512/256?

hash sha-2 sha-512

Dec 21 '15 at 0:31

1 answers

5 votes

287 views

1 bookmarks

Aside from DES, has the NSA ever strengthened algorithms?

des history nsa

Jul 17 '18 at 2:45

1 answers

5 votes

313 views

1 bookmarks

How exploitable are cache timing attacks?

timing-attack

Mar 12 '16 at 15:09

1 answers

5 votes

634 views

Why doesn't the GCM spec use a more efficient multiplication algorithm?

encryption aes finite-field gcm ghash

Dec 19 '18 at 4:25

1 answers

4 votes

126 views

1 bookmarks

questions about modular reduction algorithm over $F_{2^m}$

elliptic-curves finite-field

Sep 9 '18 at 20:13

1 answers

4 votes

239 views

2 bookmarks

representing binary finite fields in ASN.1

elliptic-curves finite-field asn.1

Jul 4 '17 at 19:12

1 answers

4 votes

747 views

What is tiger192,4 in PHP?

hash

Sep 6 '15 at 5:07

1 answers

3 votes

340 views

Representations of secret keys on Curve25519

elliptic-curves diffie-hellman libsodium x25519

Jul 16 '19 at 13:42

1 answers

3 votes

417 views

1 bookmarks

why was padding changed when keccak became sha3?

sha-3 keccak

Jul 17 '18 at 2:40

1 answers

3 votes

241 views

1 bookmarks

Why does FIPS 186-4 seem to have an excessively complex q generation?

dsa prime-numbers domain-parameters

Jul 28 '16 at 5:32

1 answers

3 votes

233 views

simulating rc4-256 with rc4-128

rc4

Nov 25 '14 at 2:13

2 answers

2 votes

431 views

PKCS12 key derivation

key-derivation

Oct 9 '16 at 17:29

0 answers

2 votes

129 views

where are ssh.com's crypticore and seed defined?

encryption ssh

Feb 20 '20 at 12:41

1 answers

2 votes

744 views

1 bookmarks

ECDSA where the group order is larger than the hash size?

elliptic-curves dsa

Sep 30 '18 at 23:16

3 answers

2 votes

8k views

1 bookmarks

ANSI X9.31 standards for generating random numbers

random-number-generator 3des

Dec 14 '12 at 14:34

1 answers

2 votes

763 views

ECDH for more than two parties

elliptic-curves diffie-hellman

Jul 27 '19 at 21:35

1 answers

2 votes

45 views

consequences of using fixed values with OAEP

rsa oaep pkcs1

Jun 8 '19 at 23:57

2 answers

2 votes

685 views

Salsa20 / ChaCha with 128 bit keys

chacha salsa20

Jan 23 '19 at 22:13

1 answers

2 votes

123 views

emulating AES GCM with AES CTR

ctr aes-gcm

Dec 3 '18 at 8:27

1 answers

2 votes

92 views

1 bookmarks

choices for k in binary finite field modular reduction algorithm

elliptic-curves modular-arithmetic finite-field

Sep 7 '18 at 18:43

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