David Cary

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35 Answers

newest activity votes
1
Requiring a “supervisor” key pair and a “user” key pair to decrypt multiple-recipient messages
1
Using the output of a stream cipher, how to guarantee the integrity of 4 bytes of data?
2
Name for identical operations for encryption and decryption
1
Store hashed email and compare hash values
0
Cryptographic Symmetric Stream Cipher
4
Any efficient text-based steganographic schemes?
2
Contruct a protocol to determine if three secret keys are different, without revealing any of them?
0
Securing a lookup table
1
How to prove membership of a list without disclosing the list members?
6
Is there any research on the problem of making a number more memorable to humans?
1
How to prove membership of a list without disclosing the list members?
1
How to prove membership of a list without disclosing the list members?
1
Can you use the same key to provide a signature and a MAC?
0
Is there a public key semantically secure cryptosystem for which one can prove in zero knowledge the equivalence of two plaintexts?
0
One time pad key exchange
1
Avalanche noise RNG for one-time pad use
2
Cryptographic GUID?
2
Entropy of system data - use all and hash, or trim least significant bits?
2
Secure private key storage
0
Is there a simple hash function that one can compute without a computer?
1
Should I use md5 for my new application?
3
PRNG taking advantage of very large seed
3
Uncompress the winRar password protected file without password. (not brute force attacking)
1
Is this design of client side encryption secure?
0
How can I validate a hashed password if all I have is another hash?
0
Algorithm to securely exchange identities
5
Do I have to recompute all hashes if I change the work factor in bcrypt?
4
Encryption vs. decryption of same plaintext
3
Looking for cipher that uses one ciphertext
0
Software implementation of a commutative cipher?
1 2