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Cryptography

Help Center > Badges > Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 3876 times.
what is the procedure to make my own hash encryption? [closed]
Awarded 14 hours ago
Examples of protocols that are insecure when run concurrently
Awarded 18 hours ago
Can you help me prove perfect secrecy?
Awarded 18 hours ago
How to make cookies tamper-proof and secure by using encryption and hash / MAC
Awarded yesterday
Non-Linearity of an Sbox
Awarded yesterday
Digital signature that is only verifiable by one specific person
Awarded Jun 14 at 9:20
Performance of ECDSA, ECKCDSA and ECGDSA
Awarded Jun 12 at 21:55
Why does appending a message to a key before hashing not guarantee integrity? [duplicate]
Awarded Jun 12 at 8:15
Can ElGamal encryption and ElGamal signatures be used together sharing the same key-pairs?
Awarded Jun 12 at 7:30
Why is Rabin encryption equivalent to factoring?
Awarded Jun 10 at 22:20
What is the cryptography job market like these days? [closed]
Awarded Jun 10 at 13:50
Finding partial pre-image of MD5 hash
Awarded Jun 8 at 10:40
Why does LastPass hash their passwords with PBKDF2 this way?
Awarded Jun 7 at 20:30
Elliptic Curve Crypto, is a distributed signing method possible using Shamir's Secret Sharing?
Awarded Jun 7 at 17:01
Why does curl need both root and intermediate certificates in order to securely connect to an HTTP server?
Awarded Jun 7 at 12:20
Help in understanding exactly how lattices used as one way functions for hashing
Awarded Jun 6 at 18:40
Is it possible to convert the output of sha256 hash to binary or decimal value? [closed]
Awarded Jun 6 at 17:50
How can a Encrypt-And-MAC scheme be insecure if the encryption is CCA secure?
Awarded Jun 5 at 14:55
Can public key be recovered from ciphertext & encrypted private key?
Awarded Jun 5 at 14:30
Java recover the public key by only having the privatekey possible? [closed]
Awarded Jun 5 at 12:35
What are requirements of the audio input to be encrypted using AES?
Awarded Jun 5 at 2:50
Why can't decrypt with OpenSSL if salt changed (for CBC and ECB)
Awarded Jun 4 at 22:20
Soft question: Examples where lack of mathematical rigour cause security breaches?
Awarded Jun 4 at 7:50
Why are cryptography algorithms not exported to certain countries?
Awarded Jun 4 at 7:45
Can you help me understand this toy example of ECDSA signing and verification? [closed]
Awarded Jun 4 at 7:20
Prove the Security of Schnorr's Signature Scheme
Awarded Jun 3 at 18:20
Hierarchical Encryption
Awarded Jun 2 at 15:05
How to speed up AES encryption? [closed]
Awarded Jun 2 at 2:25
Bit Flipping Attack on CBC Mode
Awarded Jun 1 at 8:30
Is the decompression of compressed and encrypted data without decryption also theoretically impossible?
Awarded May 31 at 13:10
Encryption / Decryption using AES-256 GCM
Awarded May 31 at 12:55
Cryptography and patents
Awarded May 30 at 16:40
Is SSL broken? If so, what can I do about it? [closed]
Awarded May 30 at 15:40
AES file encryption with PBKDF2. Safe parameters?
Awarded May 30 at 14:55
Deduplication: Encrypting the SHA-256 hash of a file chunk
Awarded May 30 at 11:55
Is a hash a zero-knowledge proof?
Awarded May 29 at 11:25
Recovering private key from Secp256k1 signatures
Awarded May 28 at 6:50
Does encrypting data multiple times using different passwords increase security?
Awarded May 27 at 20:00
X509 certificate
Awarded May 27 at 18:15
What is the difference between MACTripleDES and TripleDES?
Awarded May 27 at 13:00
How long does it take to crack RSA 1024 with a PC?
Awarded May 27 at 9:20
What exactly does s2k do in gpg
Awarded May 27 at 7:25
Difference between $Z^*_n$ and $Z_n$ [closed]
Awarded May 26 at 21:10
How much faster in symmetric cryptography compared to asymmetric cryptography? [closed]
Awarded May 25 at 17:25
Hash function used to find duplicate data, at what point is the risk of a chance match sufficient to switch to a stronger hash or bytewise verifying?
Awarded May 25 at 2:42
why can't use only one way function to construct a PRG, and don't use the hard core predicate?
Awarded May 24 at 17:30
Need some understanding on RSA public key exponent
Awarded May 24 at 7:10
Concatenation of two strong hashes may have striking weakness
Awarded May 24 at 6:40
What is different below two Ciphersuites?
Awarded May 24 at 3:30
Is the SEED blockcipher still secure?
Awarded May 23 at 13:35
Proof that in El Gamal DDH implies CPA
Awarded May 23 at 13:05
Questions about future and session key generation in DUKPT process
Awarded May 22 at 21:55
Hashing a Diffie-Hellman result
Awarded May 22 at 16:20
Convert projective to affine coordinates in ECC? [closed]
Awarded May 22 at 12:45
Can we assume that a hash function with high collision resistance also means a highly uniform distribution?
Awarded May 21 at 22:00
Comparing two encrypted numbers using El Gamal without using decryption
Awarded May 21 at 21:50
Proving the possession of signature in zero-knowledge
Awarded May 21 at 15:45
Does EAX require padding to be secure?
Awarded May 20 at 11:30
What is the importance of Rcon in Rjindael's key expansion from a security prespective?
Awarded May 19 at 16:35
How to use `openssl asn1parse` or equivalent on output files from `ssh-keygen -t rsa -b 4096`?
Awarded May 19 at 15:10
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