Cryptography

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Attack of the Middle Square Weyl Sequence PRNG
Awarded 21 hours ago
Entropy estimation by Linux Kernel when adding entropy from TRNG
Awarded 22 hours ago
Discrepancy between 3DES in OpenSSL and PyDES [closed]
Awarded 22 hours ago
Why cryptsetup default KDF is PBKDF2 and not Argon2(id)?
Awarded yesterday
ECIES with AES-GCM
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Can you use repeating numbers like $\pi$, and $e$, as the Key to OTP ciphers?
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FHE Bootstrapping vs. Relinearization
Awarded 2 days ago
ECC certificate works with all browsers and ssl labs- but not chrome [closed]
Awarded 2 days ago
How to calculate the odds of finding “20” at least three times in a sha256 string?
Awarded 2 days ago
Encrypted query parameters via HMAC
Awarded Sep 22 at 10:56
MAC size 128 bits or more?
Awarded Sep 22 at 7:41
Comparing stronger vs. weaker assumptions
Awarded Sep 21 at 22:04
I cannot understand the concept of a divisor for an elliptic curve
Awarded Sep 21 at 8:34
Perform ENT / Dieharder on raw entropy or on whitenened entropy?
Awarded Sep 20 at 15:34
RC4: Find the complete plain text of a ciphertext when we know part of the plaintext
Awarded Sep 19 at 10:19
Any concrete examples of the use of NIST Special Publication 800-90B?
Awarded Sep 18 at 19:15
Consider the use of double encryption applied to the AES algorithm with two 128-bit keys
Awarded Sep 18 at 16:51
How can a hash have a fixed length?
Awarded Sep 17 at 3:18
What is Deterministic Authenticated Encryption?
Awarded Sep 16 at 22:50
Can you help with that definition for a CCA?
Awarded Sep 16 at 12:41
Is it possible for Alice and Bob to both sign a message “simultaneously”?
Awarded Sep 16 at 1:18
What are good sources for properly learning cryptography for a mathematician? [closed]
Awarded Sep 15 at 4:57
Why do we need to compute message digest of a message first while signing it?
Awarded Sep 14 at 18:41
What is the main limitation of DES?
Awarded Sep 14 at 16:00
Which block cipher mode(s) can perform most of the decryption work in parallel?
Awarded Sep 12 at 19:57
Very short signatures? (eg: 48bits?)
Awarded Sep 12 at 6:33
Why is the signatureAlgorithm field in X.509 certificates redundant?
Awarded Sep 11 at 12:50
LFSR Tap sequence 15 bit LFSR
Awarded Sep 11 at 5:25
Is there a consensus on what text encoding to use when hashing a string?
Awarded Sep 11 at 4:49
What exactly is the contents of the LDAP userSMIMECertificate attribute?
Awarded Sep 8 at 11:50
Bits of entropy needed to choose a random element from a list?
Awarded Sep 7 at 16:26
Computational complexity of RSA
Awarded Sep 7 at 7:08
The 9 lives of Bleichenbacher's CAT, it puts another scratch again
Awarded Sep 6 at 13:40
Why is the output of a True Random Number Generator (TRNG) insecure after it has been compressed?
Awarded Sep 6 at 5:06
TLS 1.3: HKDF-Expand
Awarded Sep 5 at 13:12
Is it possible to combine two hash functions in such a way that cracking the constructed hash would require cracking the constituent hashes? [duplicate]
Awarded Sep 4 at 16:05
Counter Mode Known plain text attacks
Awarded Sep 4 at 15:02
Cannot understand Block Cipher example
Awarded Sep 4 at 9:40
What is 'key agility' in relation to symmetric-key encryption?
Awarded Sep 3 at 8:57
What is the best way to sign a message using RSA?
Awarded Sep 3 at 3:07
Does ChaCha20/Salsa have the same bit strength as AES for identical key sizes?
Awarded Sep 3 at 2:03
Decrypting AES256-CBC with wrong encryption key
Awarded Sep 2 at 20:42
How can we generate a shared key from two key pairs for an ECC implementation?
Awarded Sep 2 at 4:27
Why Static RSA and Diffie-Hellman cipher suites have been removed in TLS 1.3?
Awarded Sep 1 at 20:27
Formal description of KDF1 and KDF2
Awarded Aug 31 at 20:56
Passing data securely through QR codes?
Awarded Aug 31 at 19:03
What is the difference between static and dynamic tokens?
Awarded Aug 31 at 1:05
Who issued the first SSL certificate?
Awarded Aug 30 at 18:02
Is it possible to implement the Signal Protocol without a server?
Awarded Aug 29 at 12:30
Cryptography elements needed for a story
Awarded Aug 28 at 11:27
64 bits password = 13 characters?
Awarded Aug 28 at 7:55
Encrypt a file with AES using a secret key derived with Argon2
Awarded Aug 28 at 6:48
Why is pqRSA in the NIST PQC submissions?
Awarded Aug 28 at 0:52
Why does SHA2-224 use different IV's than SHA2-256?
Awarded Aug 27 at 19:33
Serpent cipher : Osvik S-Boxes confusion and test vectors
Awarded Aug 27 at 11:16
Good layperson analogy for password and encryption keys
Awarded Aug 27 at 11:04
Can a public key be same as private key?
Awarded Aug 27 at 8:10
What are the major differences between SET and SSL?
Awarded Aug 27 at 6:40
In ECDSA, without knowing private key and any signature one can sign random garbage (from the Cryptography list)
Awarded Aug 27 at 4:41
MD5 Algorithm Constant
Awarded Aug 26 at 8:18
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