Cryptography

Popular Question

 Popular Question
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earned this badge 21 times.
Does it make sense to block RSA keys under 1024 bits?
Awarded Dec 14 '21 at 15:41
Security difference(s) between Shamir's Secret Sharing Scheme and Blakley's Secret Sharing Scheme?
Awarded Jul 9 '21 at 20:25
What criteria make the theta step of Keccak's round function reversible?
Awarded May 10 '21 at 15:42
Effective security of block cipher – equal the key size, or half the key size?
Awarded Feb 10 '20 at 2:25
Security issues of a MAC-then-Encrypt-then-MAC approach?
Awarded Feb 5 '20 at 3:35
Can we ensure the security of a crypto-algorithm and -implementaton against acoustic cryptanalysis?
Awarded May 12 '19 at 23:15
When is an RNG a CSPRNG, a CSRNG, or a TRNG?
Awarded Feb 17 '19 at 4:30
What are the potential security impacts of using CRAM-MD5 for Emails, when not using an SSL connection?
Awarded Dec 26 '18 at 14:35
Should the identity of a sender be verified using additional means, or does a MAC suffice?
Awarded Oct 12 '18 at 21:10
Is the software that uses PGP broken, or is it PGP itself?
Awarded May 15 '18 at 2:19
What was NIST’s reason to switch naming from MD… (Message Digest) to SHA… (Secure Hashing Algorithm)?
Awarded Mar 15 '18 at 10:20
Are there any (asymmetric) cryptographic primitives not relying on arithmetic over prime fields and/or finite fields?
Awarded Dec 28 '17 at 15:27
Did NIST verify “post-quantum” claims in the SHA3 proposal papers?
Awarded Nov 15 '17 at 22:36
Is the first version of the Message-Digest algorithm by Ronald Rivest publically available?
Awarded Apr 30 '17 at 19:52
Is it possible to actually verify a “sponge function” security claim?
Awarded Mar 27 '17 at 19:13
What does a "real" quantum computer need for cryptanalysis and/or cryptographic attack purposes?
Awarded Mar 8 '17 at 8:06
Proof for the SHA3 claim that 256 bit security is "post-quantum sufficient"?
Awarded Jun 20 '16 at 7:40
When NIST disallows the use of 1024-bit keys, what effect will that have on SHA-3 (with max. 512 bits)?
Awarded Oct 28 '14 at 19:54
How exactly is "true randomness" defined in the realms of cryptography?
Awarded Jun 26 '14 at 14:48
What stops the Multiply-With-Carry RNG from being a Cryptographically Secure PRNG?
Awarded Jun 1 '14 at 7:04
NIST temporarily closed — will that have a negative impact on the future of cryptography?
Awarded Feb 23 '14 at 12:44

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