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Cryptography
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poncho
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View all questions and answers
108
What is the difference between CBC and GCM mode?
Apr 9, 2012
97
How does RSA signature verification work?
Aug 21, 2013
81
How does one attack a two-time pad (i.e. one time pad with key reuse)?
Apr 1, 2012
54
Have any cryptographic breaks been executed in the real world since World War II?
Feb 22, 2022
49
Signatures: RSA compared to ECDSA
Jul 12, 2012
48
Is using the same IV in AES similar to not using an IV in the first place?
Mar 20, 2018
46
HMAC vs ECDSA for JWT
Nov 18, 2015
44
How does recovering the public key from an ECDSA signature work?
Jul 12, 2014
42
HMAC-SHA1 vs HMAC-SHA256
Apr 4, 2014
38
Why do we use encrypt-decrypt-encrypt (EDE) in 3DES, rather than encrypting three times?
Mar 9, 2012
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Do organizations like NSA use racial profiling in the screening process?
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49
Why didn't Microsoft use a well-known encryption algorithm like RSA for telephone activation?
11
Integer factorization with additional knowledge of $p \oplus q$
11
Are there CPUs that perform this possible L1 cache write optimization?
8
How to handle improper key sizes (AES encryption)
8
Does knowing half private key provide any useful information?