Cryptography

Famous Question

 Famous Question
Question with 10,000 views. This badge can be awarded multiple times.
Awarded 704 times.
What is a Non-Interactive Zero Knowledge Proof?
Awarded 2 days ago
Is there any benefit from using SHA-512 over SHA-256 when AES just truncates it anyway?
Awarded Mar 21 at 0:36
Modes of operation that allow padding oracle attacks
Awarded Mar 18 at 0:55
What is difference between meet in the middle attack and man in the middle attack?
Awarded Mar 15 at 13:12
What will happen if I use RSA encryption for plaintext larger than RSA bit size?
Awarded Mar 9 at 6:12
When to use Argon2i vs Argon2d vs Argon2id?
Awarded Mar 2 at 16:40
What are the differences between these AES ciphers?
Awarded Feb 27 at 14:18
7zip : Why does encrypting the same file with AES-256 not give the same output?
Awarded Feb 21 at 8:25
Is PBKDF2-HMAC-SHA1 really broken?
Awarded Feb 14 at 19:11
Largest integer factored by Shor's algorithm?
Awarded Feb 13 at 9:27
How are random numbers for RSA generated? [duplicate]
Awarded Feb 11 at 3:07
Are there comprehensive alternatives to RSA?
Awarded Feb 6 at 21:36
Why is the discrete logarithm problem assumed to be hard?
Awarded Jan 20 at 16:04
Why does my SSH private key still work after changing some bytes in the file?
Awarded Dec 31, 2022 at 8:17
How to verify the integrity of RSA encrypted messages?
Awarded Dec 24, 2022 at 1:33
Elliptic curve ed25519 vs ed448 - Differences
Awarded Dec 17, 2022 at 18:10
Definition and meaning of "semantic security"
Awarded Dec 13, 2022 at 20:25
Is TrueCrypt's multiple/cascading encryption safe?
Awarded Dec 7, 2022 at 2:35
Explanation of the Decision Diffie Hellman (DDH) problem.
Awarded Nov 30, 2022 at 19:15
How are timestamps verified?
Awarded Nov 29, 2022 at 1:19
What's the point of OAEP?
Awarded Nov 28, 2022 at 17:32
ElGamal Signature Scheme: Recovering the key when reusing randomness
Awarded Nov 17, 2022 at 11:12
Rijndael vs. Serpent vs. Twofish: General comparison
Awarded Nov 14, 2022 at 20:46
why DES encryption uses different modes like ECB,OFB?
Awarded Nov 4, 2022 at 5:33
Reason why “XOR” is a linear operation, but ordinary “addition” isn’t?
Awarded Nov 1, 2022 at 17:04
Why does adding PKCS#1 v1.5 padding make RSA encryption non-deterministic?
Awarded Oct 27, 2022 at 18:32
Can Shannon's entropy be used to determine if a file is encrypted?
Awarded Oct 26, 2022 at 9:20
HMAC-SHA256 vs HMAC-SHA512 for JWT API authentication
Awarded Oct 25, 2022 at 12:53
How can I obtain the raw decimal value of an RSA key's modulus? [closed]
Awarded Oct 20, 2022 at 9:37
Difference between RC2, RC4, RC5 and RC6
Awarded Oct 18, 2022 at 7:41
Why does curl need both root and intermediate certificates in order to securely connect to an HTTP server?
Awarded Oct 17, 2022 at 4:12
How effective is quantum computing against elliptic curve cryptography?
Awarded Oct 6, 2022 at 14:11
Is using a predictable IV with CFB mode safe or not?
Awarded Sep 16, 2022 at 9:42
Forgery Attack Against RSA Digital Signature
Awarded Sep 13, 2022 at 20:35
What is a trapdoor permutation?
Awarded Sep 8, 2022 at 2:42
"Signing" with public key
Awarded Sep 1, 2022 at 21:10
AES GCM vs other encryption modes in embedded environment for network traffic
Awarded Aug 29, 2022 at 8:51
Deterministically generate a RSA public/private key pair from a passphrase (with sufficient entropy)?
Awarded Aug 24, 2022 at 17:35
repeating-key xor and hamming distance
Awarded Aug 15, 2022 at 5:15
How to calculate key size of a security algorithm?
Awarded Aug 14, 2022 at 4:22
Is calculating a hash code for a large file in parallel less secure than doing it sequentially?
Awarded Aug 2, 2022 at 7:30
Can ECDSA signatures be safely made "deterministic"?
Awarded Jul 21, 2022 at 1:05
What are some disadvantages of homomorphic encryption schemes?
Awarded Jul 16, 2022 at 0:49
Is it possible to convert the output of sha256 hash to binary or decimal value? [closed]
Awarded Jul 14, 2022 at 21:03
What Are Advantages and Disadvantages of SHA-256?
Awarded Jul 7, 2022 at 3:11
Should I use SHA256 or Blake2 to checksum and sign scrypt headers?
Awarded Jul 3, 2022 at 9:05
Difference Between PEM vs P12 vs CRT vs JKS vs keystore vs PKCS vs x509 certificates [duplicate]
Awarded Jun 28, 2022 at 11:48
What exactly is a "garbled circuit"?
Awarded Jun 21, 2022 at 2:35
Public-key format for ECDSA as in FIPS 186-4?
Awarded Jun 9, 2022 at 5:32
How are the names of cryptographic algorithms (like RSA, AES, SHA-256, Curve25519, etc.) pronounced?
Awarded Jun 6, 2022 at 16:46
Is there any difference between cryptography and cryptology?
Awarded Jun 3, 2022 at 21:33
How to determine the next number from java's Random method [closed]
Awarded May 24, 2022 at 20:26
How does one deal with a negative "d" in RSA?
Awarded May 19, 2022 at 9:55
Recommended key size for DKIM
Awarded May 6, 2022 at 15:57
What is the recommended minimum key length for ECDSA signature
Awarded Apr 29, 2022 at 11:42
How easy is it in 2022 to find a SHA1 collision?
Awarded Apr 25, 2022 at 2:11
Creating ECDH using OpenSSL
Awarded Apr 22, 2022 at 4:35
Why does WPA-PSK not use Diffie-Hellman key exchange?
Awarded Apr 14, 2022 at 10:06
How Secure is gpg Command Using Symmetric AES-256 From Being Cracked
Awarded Apr 7, 2022 at 20:51
What is the difference between ECDSA and EdDSA?
Awarded Apr 7, 2022 at 11:48
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