Cryptography

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Awarded 567 times.
What is the difference between Scrypt and PBKDF2?
Awarded Dec 10, 2019 at 20:30
Why not the one-time pad with pseudo-number generator
Awarded Dec 10, 2019 at 17:00
Differences between the terms "pre-master secret", "master secret", "private key", and "shared secret"?
Awarded Dec 8, 2019 at 8:20
What does "birational equivalence" mean in a cryptographic context?
Awarded Dec 6, 2019 at 13:35
Can ECDSA signatures be safely made "deterministic"?
Awarded Nov 30, 2019 at 21:55
Suppose I capture encrypted data that I want to decrypt. Could I use a server farm to decrypt?
Awarded Nov 26, 2019 at 15:15
What is a hard-core predicate?
Awarded Nov 26, 2019 at 11:30
Which attacks are possible against raw/textbook RSA?
Awarded Nov 19, 2019 at 19:05
Is there a bulletproof way to know a file has been successfully decrypted?
Awarded Nov 14, 2019 at 15:20
Creating cryptographic algorithms at runtime
Awarded Nov 14, 2019 at 7:35
Why is it insecure to use a randomized IV for CBC-MAC instead of an all-zero IV?
Awarded Nov 11, 2019 at 19:55
What are standard cryptographic assumptions?
Awarded Nov 9, 2019 at 19:45
Understanding the length extension attack
Awarded Nov 7, 2019 at 13:00
Applicability of IBM's projected 50-qubit quantum computer Q to cryptanalysis?
Awarded Nov 5, 2019 at 17:50
How are the names of cryptographic algorithms (like RSA, AES, SHA-256, Curve25519, etc.) pronounced?
Awarded Nov 5, 2019 at 12:30
How to check whether the permutation is random or not
Awarded Nov 4, 2019 at 15:15
How are side-channel attacks executed? What does an attacker need to execute a side channel attack?
Awarded Oct 30, 2019 at 6:45
Why is double encryption that's equivalent to single encryption no better than single encryption?
Awarded Oct 17, 2019 at 23:30
The difference between these 4 breaking Cipher techniques?
Awarded Sep 26, 2019 at 15:15
What are the odds of collisions for a hash function with 256-bit output?
Awarded Sep 25, 2019 at 9:55
How does a padding oracle attack work?
Awarded Sep 23, 2019 at 6:50
How does IBM's 53-bit quantum computer compare to classical ones for cryptanalytic tasks?
Awarded Sep 20, 2019 at 14:30
Has SHA256 been broken by Treadwell Stanton DuPont?
Awarded Sep 13, 2019 at 6:30
Has SHA256 been broken by Treadwell Stanton DuPont?
Awarded Sep 12, 2019 at 5:40
Can I say "I have encrypted something" if I hash something?
Awarded Sep 10, 2019 at 11:10
Why use argon2i or argon2d if argon2id exists?
Awarded Sep 6, 2019 at 13:15
What is the practical impact of using System.Random which is not cryptographically random?
Awarded Aug 31, 2019 at 20:00
What is the practical impact of using System.Random which is not cryptographically random?
Awarded Aug 31, 2019 at 3:30
Is using the same IV in AES similar to not using an IV in the first place?
Awarded Aug 30, 2019 at 14:20
How much computing resource is required to brute-force RSA?
Awarded Aug 22, 2019 at 12:10
How do I detect a failed AES-256 decryption programmatically?
Awarded Aug 19, 2019 at 9:40
Why should I use Authenticated Encryption instead of just encryption?
Awarded Aug 18, 2019 at 16:40
How to find modulus from a RSA public key?
Awarded Aug 17, 2019 at 21:30
Why isn’t SHA-3 in wider use?
Awarded Aug 11, 2019 at 12:20
How to check a file was encrypted (really & correctly)
Awarded Aug 7, 2019 at 7:20
Can error correction and detection be done without adding extra bits?
Awarded Aug 1, 2019 at 2:50
How many bits in the resultant hash will change, if the x bits are changed in its the original input?
Awarded Jul 30, 2019 at 8:30
ECDSA, EdDSA and ed25519 relationship / compatibility
Awarded Jul 30, 2019 at 8:20
Smallest Guaranteed hash collision cycle length
Awarded Jul 30, 2019 at 8:20
Can one generalize the Diffie-Hellman key exchange to three or more parties?
Awarded Jul 26, 2019 at 20:15
Can neural cryptanalysis be applied to AES?
Awarded Jul 26, 2019 at 13:50
RSA with probable primes
Awarded Jul 22, 2019 at 7:40
Purpose of outer key in HMAC
Awarded Jul 16, 2019 at 16:25
For a hashing function like MD5, how similar can two plaintext strings be and still generate the same hash?
Awarded Jul 15, 2019 at 3:20
In layman's terms, how does Shor's algorithm work?
Awarded Jul 8, 2019 at 18:25
Other than password hashes, are there other uses for non-reversible crypto
Awarded Jul 1, 2019 at 7:30
SHA-256 hash of null input?
Awarded Jun 25, 2019 at 13:40
Digital signature that is only verifiable by one specific person
Awarded Jun 15, 2019 at 10:25
Can I remove newlines in a public key?
Awarded Jun 13, 2019 at 12:55
ECDSA Compressed public key point back to uncompressed public key point
Awarded Jun 7, 2019 at 0:25
Why hashing twice?
Awarded Jun 5, 2019 at 19:45
Soft question: Examples where lack of mathematical rigour cause security breaches?
Awarded Jun 4, 2019 at 14:55
Random oracle model proofs and programmability
Awarded Jun 4, 2019 at 9:45
Possible ways to crack simple hand ciphers?
Awarded Jun 1, 2019 at 4:15
Is a hash a zero-knowledge proof?
Awarded May 30, 2019 at 8:20
What are the benefits of lattice based cryptography?
Awarded May 24, 2019 at 1:40
Can we assume that a hash function with high collision resistance also means a highly uniform distribution?
Awarded May 22, 2019 at 9:40
Could we break MD5 entirely in the future?
Awarded May 16, 2019 at 21:25
Why Curve25519 for encryption but Ed25519 for signatures?
Awarded May 14, 2019 at 3:05
What are the implications of the new alleged key recovery attack preprint on SIMON?
Awarded May 12, 2019 at 1:20
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