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Eugene Styer
  • Member for 5 years, 6 months
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23 votes
Accepted

Is Caesar cipher perfectly secret?

19 votes

Theoretically, what if I were to change some magic numbers in, say, AES?

10 votes
Accepted

Doing OTP two or more times with a biased TRNG: Will this have the same security as if was done with a non-biased TRNG?

9 votes
Accepted

Should I use “modes of operation” for a single block of data?

8 votes

Possibility of Chosen Plaintext Attack (CPA) in real-world scenario?

5 votes

How do people know decryption is successful?

5 votes

How were codes in WW1 reciphered (to enhance security levels) without them turning meaningless?

4 votes

Is there any cryptosystem that works on floating point real number?

4 votes
Accepted

RSA encrypt an AES key. What about the AES IV?

4 votes

How much data do I leak if I use the first bytes of a file as AES-CBC IV?

3 votes

Converting a message from one PGP key to another PGP key

2 votes

Mutating a SHA-2 input would allow us to have multiple hashes for a single input, would this increase SHA-2's security?

2 votes

How to provide partial confidentiality and full integrity for a protocol message?

2 votes

Do I need to send the RSA public exponent with the public key?

2 votes
Accepted

Signing a message to make sure that it will not be tampered with when forwarded, without trusting the receivers?

2 votes

I need a simple cryptographic code to put on a t-shirt

2 votes
Accepted

detect the RSA public key from encrypted text

1 vote

Is it allowable to put a restriction on the length of the plaintext used in the known-plaintext attack?

1 vote

Could randomisation make for a better book cipher?

1 vote
Accepted

Need to generate same ciphertext everytime

1 vote

Decrypting 3-DES with DES

1 vote

Probability last character sha256 hash

1 vote

Is There any Risk to Using Meaningful Text as One Time Pad Key?

1 vote

Why do we need to go through multiple cycles in block cipher

1 vote

How much faster in symmetric cryptography compared to asymmetric cryptography?

1 vote

What does it imply if in RSA pow(m, e, n) is same as the m

1 vote

Is there a cipher that avoids double bigrams?

0 votes

Find some hash function with deliberate collisions

0 votes

Ensure that ciphertext satisfies a fixed secret polynomial

0 votes

Explaining RSA to the people