User AleksanderCH

53 votes

Accepted

Can I say "I have encrypted something" if I hash something?

answered Sep 9, 2019 at 13:18

28 votes

Other than password hashes, are there other uses for non-reversible crypto

answered Dec 5, 2018 at 12:31

22 votes

For a hashing function like MD5, how similar can two plaintext strings be and still generate the same hash?

answered Jul 9, 2019 at 8:05

19 votes

Can a large file be hashed down to 32 bytes, and then reconstructed from the hash?

answered Nov 20, 2018 at 10:02

17 votes

How is the Swiss post e-voting system supposed to work, and how was it wrong?

answered Mar 13, 2019 at 13:40

15 votes

What happens for factoring algorithms if P=NP?

answered Nov 5, 2018 at 12:04

15 votes

Differences between industrial and military cryptography

answered Sep 20, 2018 at 10:18

13 votes

What is the difference between SHA-3 and SHA-256?

answered Mar 26, 2019 at 14:32

13 votes

Which hash is used when providing signature algorithm ED25519 or ED448?

answered Feb 26, 2019 at 14:05

11 votes

Using cryptographically random password as both the password and the salt

answered Mar 23, 2020 at 12:53

9 votes

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

answered Dec 24, 2018 at 12:13

9 votes

Soft question: Examples where lack of mathematical rigour cause security breaches?

answered Jun 4, 2019 at 6:07

8 votes

Accepted

Ways to make white-box cryptography AES implementation more difficult to be broken

answered Jun 3, 2019 at 12:46

8 votes

Accepted

Difference between decryption and deciphering?

answered Apr 23, 2019 at 8:17

6 votes

What is the fastest integer factorization to break RSA?

answered Apr 2, 2019 at 14:53

6 votes

Accepted

Asymmetric Cryptography decryption

answered May 29, 2020 at 13:53

6 votes

Is RDSEED a true RNG?

answered Jun 26, 2019 at 7:13

5 votes

Accepted

Does the public key and private key for WhatsApp only remain within a WhatsApp account

answered Oct 30, 2018 at 8:28

5 votes

Accepted

What is Quantum Cryptography?

answered Sep 3, 2018 at 13:45

4 votes

Accepted

Can public key cryptography survive quantum computers?

answered Sep 11, 2018 at 9:58

4 votes

Accepted

Changing SHA-1 constants an functions: Does it affect security?

answered Nov 12, 2018 at 10:29

4 votes

Accepted

What is this called: encrypt $X$ with key $E$, decrypt $X$ with key $D$?

answered Mar 19, 2019 at 8:55

4 votes

Was the Enigma's double stepping mechanism intentional?

answered Jun 17, 2019 at 13:50

4 votes

Accepted

Identifying a bad public key

answered May 3, 2019 at 11:38

4 votes

True/False if a user is a customer without revealing the actual customer

answered Jan 9, 2019 at 12:42

4 votes

Is there a contingency plan in the event of a catastrophic attack on AES?

answered Jan 17, 2019 at 13:02

4 votes

Accepted

SHA-1 collision for strings of two symbols

answered Jan 18, 2019 at 12:17

4 votes

Accepted

Definition of symmetric cipher and definition of asymmetric cipher

answered Feb 19, 2019 at 9:39

4 votes

Accepted

Enigma message decode errors, and protocols to prevent them

answered Jul 11, 2019 at 7:58

4 votes

What's different between ground setting and ring set in the Enigma machine?

answered Oct 31, 2019 at 11:09

Stack Exchange Network

112 Answers

Can I say "I have encrypted something" if I hash something?

Other than password hashes, are there other uses for non-reversible crypto

For a hashing function like MD5, how similar can two plaintext strings be and still generate the same hash?

Can a large file be hashed down to 32 bytes, and then reconstructed from the hash?

How is the Swiss post e-voting system supposed to work, and how was it wrong?

What happens for factoring algorithms if P=NP?

Differences between industrial and military cryptography

What is the difference between SHA-3 and SHA-256?

Which hash is used when providing signature algorithm ED25519 or ED448?

Using cryptographically random password as both the password and the salt

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

Soft question: Examples where lack of mathematical rigour cause security breaches?

Ways to make white-box cryptography AES implementation more difficult to be broken

Difference between decryption and deciphering?

What is the fastest integer factorization to break RSA?

Asymmetric Cryptography decryption

Is RDSEED a true RNG?

Does the public key and private key for WhatsApp only remain within a WhatsApp account

What is Quantum Cryptography?

Can public key cryptography survive quantum computers?

Changing SHA-1 constants an functions: Does it affect security?

What is this called: encrypt $X$ with key $E$, decrypt $X$ with key $D$?

Was the Enigma's double stepping mechanism intentional?

Identifying a bad public key

True/False if a user is a customer without revealing the actual customer

Is there a contingency plan in the event of a catastrophic attack on AES?

SHA-1 collision for strings of two symbols

Definition of symmetric cipher and definition of asymmetric cipher

Enigma message decode errors, and protocols to prevent them

What's different between ground setting and ring set in the Enigma machine?