David Cary

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visits member for 1 year, 9 months
seen 21 hours ago
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43 Posts

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21h
 answered Is it possible to cryptographically prove when was the last time a ciphertext was decrypted/encrypted?
May
24
 answered Requiring a “supervisor” key pair and a “user” key pair to decrypt multiple-recipient messages
Apr
25
 answered Using the output of a stream cipher, how to guarantee the integrity of 4 bytes of data?
Feb
11
 answered Name for identical operations for encryption and decryption
Feb
3
 answered Store hashed email and compare hash values
Jan
29
 answered Cryptographic Symmetric Stream Cipher
Jan
24
 answered Any efficient text-based steganographic schemes?
Dec
16
 answered Contruct a protocol to determine if three secret keys are different, without revealing any of them?
Dec
6
 answered Securing a lookup table
Dec
6
 answered How to prove membership of a list without disclosing the list members?
Dec
3
 answered Is there any research on the problem of making a number more memorable to humans?
Dec
3
 answered How to prove membership of a list without disclosing the list members?
Dec
2
 answered How to prove membership of a list without disclosing the list members?
Nov
22
 asked Should we sign-then-encrypt, or encrypt-then-sign?
Nov
2
 answered Can you use the same key to provide a signature and a MAC?
Oct
16
 answered Is there a public key semantically secure cryptosystem for which one can prove in zero knowledge the equivalence of two plaintexts?
Oct
11
 answered One time pad key exchange
Oct
11
 answered Avalanche noise RNG for one-time pad use
Aug
13
 answered Cryptographic GUID?
Aug
9
 answered Entropy of system data - use all and hash, or trim least significant bits?
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