neubert

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5 posts edited

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147 votes cast

71 Questions

Votes Activity Newest Views

votes

answers

views

Creating a small number from a random octet string

random-number-generator

Dec 28 '18 at 0:20 Paul Uszak 13.4k

votes

answers

views

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

Dec 25 '18 at 3:25 CommunityBot 1

votes

answer

436

views

how does BearSSL's GCM modular reduction work?

finite-field gcm aes-gcm

Jan 14 '19 at 13:39 Thomas Pornin 83.3k

votes

answer

views

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

rsa oaep pkcs1

May 18 '18 at 13:32 CommunityBot 1

votes

answers

184

views

GCM with reversed poly

finite-field gcm aes-gcm

Jan 23 '19 at 13:07 neubert 2,633

votes

answers

views

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

rsa keys openssl rsa-pss

May 9 '19 at 23:43 CommunityBot 1

votes

answer

12k

views

ECDSA private key format

public-key elliptic-curves file-format

Jun 29 '17 at 14:22 CommunityBot 1

votes

answer

627

views

preferred method for generating k for DSA / ECDSA

signature dsa

Dec 26 '16 at 15:20 CommunityBot 1

votes

answer

842

views

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

implementation timing-attack

Aug 3 '15 at 3:24 e-sushi 17.2k

votes

answer

views

Ed25519 PKCS8 private key example from IETF draft seems malformed

public-key elliptic-curves ed25519 pkcs8

Jun 7 '18 at 13:04 CommunityBot 1

votes

answer

views

Transforming SHA-512 into SHA-512/256?

hash sha-2 sha-512

May 13 '16 at 4:55 otus 31k

votes

answer

281

views

Aside from DES, has the NSA ever strengthened algorithms?

des history nsa

Jul 30 at 5:58 Patriot 2,932

votes

answer

305

views

How exploitable are cache timing attacks?

timing-attack

Oct 5 '19 at 13:24 Patriot 2,932

votes

answer

631

views

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

encryption aes finite-field gcm ghash

Dec 19 '18 at 18:27 neubert 2,633

votes

answer

124

views

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

elliptic-curves finite-field

Sep 13 '18 at 20:55 puzzlepalace 3,902

votes

answer

238

views

representing binary finite fields in ASN.1

elliptic-curves finite-field asn.1

Jul 9 '17 at 20:38 CurveEnthusiast 3,329

votes

answer

744

views

What is tiger192,4 in PHP?

hash

Oct 24 '15 at 13:07 Maarten Bodewes♦ 81.8k

votes

answer

327

views

Representations of secret keys on Curve25519

elliptic-curves diffie-hellman libsodium x25519

Jul 16 '19 at 22:34 CommunityBot 1

votes

answer

405

views

why was padding changed when keccak became sha3?

sha-3 keccak

Jul 17 '18 at 4:17 Richie Frame 12.5k

votes

answer

239

views

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

dsa prime-numbers domain-parameters

Sep 14 '17 at 4:57 otus 31k

votes

answer

233

views

simulating rc4-256 with rc4-128

rc4

Nov 26 '14 at 11:43 CommunityBot 1

votes

answers

415

views

PKCS12 key derivation

key-derivation

Dec 5 '20 at 13:22 CommunityBot 1

votes

answers

121

views

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

encryption ssh

Feb 25 '20 at 12:21 Maarten Bodewes♦ 81.8k

votes

answer

722

views

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

elliptic-curves dsa

Dec 27 '19 at 20:10 kelalaka 38.4k

votes

answers

views

ANSI X9.31 standards for generating random numbers

random-number-generator 3des

Dec 14 '19 at 0:29 M.S. Dousti 993

votes

answer

views

consequences of using fixed values with OAEP

rsa oaep pkcs1

Jun 9 '19 at 5:31 CommunityBot 1

votes

answers

662

views

Salsa20 / ChaCha with 128 bit keys

chacha salsa20

Jan 24 '19 at 21:40 Faulst 812

votes

answer

118

views

emulating AES GCM with AES CTR

ctr aes-gcm

Dec 3 '18 at 13:30 kelalaka 38.4k

votes

answer

views

choices for k in binary finite field modular reduction algorithm

elliptic-curves modular-arithmetic finite-field

Sep 7 '18 at 21:18 puzzlepalace 3,902

votes

answer

views

CAs are pre-loaded on the system, but how is it able to get intermediate certs?

signature tls openssl certificates

Feb 26 '18 at 19:30 CommunityBot 1

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71 Questions

Creating a small number from a random octet string

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

how does BearSSL's GCM modular reduction work?

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

GCM with reversed poly

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

ECDSA private key format

preferred method for generating k for DSA / ECDSA

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

Ed25519 PKCS8 private key example from IETF draft seems malformed

Transforming SHA-512 into SHA-512/256?

Aside from DES, has the NSA ever strengthened algorithms?

How exploitable are cache timing attacks?

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

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

representing binary finite fields in ASN.1

What is tiger192,4 in PHP?

Representations of secret keys on Curve25519

why was padding changed when keccak became sha3?

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

simulating rc4-256 with rc4-128

PKCS12 key derivation

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

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

ANSI X9.31 standards for generating random numbers

consequences of using fixed values with OAEP

Salsa20 / ChaCha with 128 bit keys

emulating AES GCM with AES CTR

choices for k in binary finite field modular reduction algorithm

CAs are pre-loaded on the system, but how is it able to get intermediate certs?