Cryptography

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Awarded 6920 times.
Fake non-membership proof in RSA accumulator
Awarded 3 hours ago
Diffie Helman obtaining $g^y \bmod p$ from $g^{xy} \bmod p$ and $g^x \bmod p$
Awarded yesterday
how calculate plaintext file size from length of encrypted one without decrypting
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Constructing an XChaCha20-Poly1305 Equivalent using FIPS-140 Primitives
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Are these functions secure PRFs?
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Understanding rainbow table Java [migrated]
Awarded 2 days ago
Intuitive explanation for key exchange with public/private keys
Awarded 2 days ago
Proving that a scheme is $\epsilon$-perfectly secret
Awarded Apr 14 at 22:49
Why do all SSH-RSA Keys begin with “AAAAB3NzaC1yc”?
Awarded Apr 14 at 18:56
Zero-knowledge proof of knowledge of a plaintext in exponential ElGamal
Awarded Apr 14 at 13:48
Why is diffie-hellman-group1-sha1 used instead of diffie-hellman?
Awarded Apr 14 at 9:14
Using date stamp down to milliseconds / ticks as a salt?
Awarded Apr 13 at 21:52
AES GCM : is it acceptable to return the wrong plaintext if the tag is incorrect?
Awarded Apr 13 at 13:21
How do I model this system?
Awarded Apr 12 at 23:10
Intuitive explanation of the $\varepsilon$ parameter in differential privacy
Awarded Apr 12 at 18:34
How is an ADFS SAML token's digest value calculated?
Awarded Apr 12 at 13:56
Is any of this new? or is it already well established knowledge? [closed]
Awarded Apr 12 at 5:02
(post deleted or otherwise unavailable)
Awarded Apr 11 at 22:02
RSA message encryption question
Awarded Apr 11 at 4:41
Faster alternatives to RSA trapdoor permutation
Awarded Apr 11 at 2:15
is this useful to help break RSA?
Awarded Apr 11 at 1:00
What are “unspecified” differentials in a differential characteristic?
Awarded Apr 10 at 17:27
Security of server side encryption for file hosting
Awarded Apr 10 at 13:09
Is Ring-LWE now broken?
Awarded Apr 8 at 14:48
How to do unmasked addition on SSS masked shares?
Awarded Apr 8 at 12:40
Verification in a random cryptosystem
Awarded Apr 8 at 6:31
(post deleted or otherwise unavailable)
Awarded Apr 6 at 23:32
How can I force slow decryption in the browser?
Awarded Apr 6 at 16:26
Why do we use groups, rings and fields in cryptography?
Awarded Apr 6 at 15:02
Security of an ECDSA Adaptor Signature Implementation
Awarded Apr 6 at 4:17
Some questions about encrypting (AES) a file with password
Awarded Apr 5 at 22:45
Why do we use groups, rings and fields in cryptography?
Awarded Apr 5 at 21:11
Test the randomness of a random permutations, that was generated without Fisher-Yates?
Awarded Apr 5 at 11:15
(post deleted or otherwise unavailable)
Awarded Apr 3 at 19:47
How to combine $n$ 'less random' bits to generate one 'more random' bit?
Awarded Apr 3 at 17:09
Why aren't public-private keys sufficient to build a block chain? Why do we need proof of work/stake?
Awarded Apr 2 at 20:51
(post deleted or otherwise unavailable)
Awarded Apr 2 at 10:36
Is SHA-256 a bijective function?
Awarded Apr 1 at 8:25
AES Password Based Key Derivation Iterations
Awarded Apr 1 at 1:41
Implement deterministic authenticated encryption using libsodium
Awarded Mar 31 at 23:16
How can I find d knowing c, n, e in RSA?
Awarded Mar 27 at 11:33
(post deleted or otherwise unavailable)
Awarded Mar 26 at 20:16
Rounding function used in Saber Key Exchange
Awarded Mar 26 at 11:40
AES CBC mode or AES CTR mode recommended?
Awarded Mar 26 at 6:16
Attack a RSA padding scheme that appends zeros
Awarded Mar 25 at 15:28
Order of random element in RSA is big
Awarded Mar 24 at 21:20
Why the differential cryptanalysis complexity is linear with inverse of the probability while linear cryptanalysis is quadratic with the bias inverse?
Awarded Mar 24 at 13:51
Can you help me understand PFS and wPFS?
Awarded Mar 24 at 10:56
Decrypt message in swift encrypted in java using AES/GCM/NoPadding [migrated]
Awarded Mar 23 at 13:43
Constructing a mac scheme secure to regular definition but insecure to special case
Awarded Mar 23 at 11:30
Where to apply Montgomery Multiplication in GF(2^n)
Awarded Mar 23 at 8:21
Random number generator in C++ [closed]
Awarded Mar 22 at 17:56
Can you break an RSA modulus if you know $k \cdot \phi(n)$ where $k$ is a large prime?
Awarded Mar 22 at 5:41
What kind of random algorithm is used in this game? [migrated]
Awarded Mar 20 at 14:15
Why is DDH not hard over $\mathbb{Z}^*_p$?
Awarded Mar 20 at 7:04
On the initializaton of the “xorwow” PRNG
Awarded Mar 19 at 12:12
Do I still need SHA256 if I already had a AES 256 key that is 44 characters long?
Awarded Mar 19 at 6:17
Can X3DH algorithm implementation be avoided to thwart Man-in-the-Middle Attack during End-to-End Encryption with Diffie-Hellman Algo, When using SSL
Awarded Mar 18 at 17:11
(post deleted or otherwise unavailable)
Awarded Mar 18 at 15:16
Could FHE scheme like BGV could be used many times, or fully homomorphic encryption could be used continuously？
Awarded Mar 18 at 8:51
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