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Luis Orantes

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Votes Activity Newest Views Added

29

votes

11

answers

7k

views

Why can't I reverse a hash to a possible input?

hash cryptanalysis preimage-resistance

Jun 2 at 14:29 Suresh meena 1

22

votes

3

answers

3k

views

How to publish a cipher (concept)?

encryption block-cipher

May 15 '16 at 22:55 Community♦ 1

16

votes

1

answer

3k

views

After ECDH with Curve25519, is it pointless to use anything stronger than AES-128?

aes public-key elliptic-curves diffie-hellman symmetric

Jan 15 '20 at 18:34 Maarten Bodewes♦ 76.5k

7

votes

2

answers

557

views

Does a practical collision attack on a cryptographic hash function also mean it fails “indistinguishable from random data”?

hash cryptanalysis collision-resistance randomness sha-1

Aug 24 '17 at 22:12 Luis Casillas 13.4k

7

votes

2

answers

1k

views

Summarize the mathematical problem at the heart of breaking a Curve25519 public key

elliptic-curves diffie-hellman

Aug 16 '17 at 4:16 Squeamish Ossifrage 42.5k

5

votes

4

answers

667

views

How can an amateur introduce a cryptographic algorithm?

algorithm-design

Sep 1 '17 at 17:01 e-sushi 16.9k

5

votes

2

answers

556

views

Why are stream ciphers based on linear-feedback shift registers so popular?

stream-cipher lfsr

Jan 29 '19 at 18:32 kelalaka 29.8k

3

votes

2

answers

1k

views

Generating secure short activation code for offline applications

hash rsa public-key authentication

Jun 2 '18 at 11:47 fgrieu♦ 109k

3

votes

2

answers

6k

views

What will happen if I use RSA encryption for plaintext larger than RSA bit size?

encryption rsa

Jul 17 '17 at 3:55 puzzlepalace 3,842

1

vote

2

answers

2k

views

Recommended way to Implement One Time Password?

hash public-key one-time-password hotp

Aug 3 '17 at 12:36 Gianluca Ghettini 957

1

vote

2

answers

933

views

What mathematics do I need to study in order to understand fully homomorphic encryption? [closed]

encryption homomorphic-encryption

Jul 7 '17 at 15:21 Community♦ 1

0

votes

1

answer

350

views

Robust stream cipher using AES encryption block

aes block-cipher stream-cipher

Sep 21 '17 at 19:34 abraza 1,842

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