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Jun
24
reviewed Approve What prime lengths are used for RSA?
Jun
24
reviewed Approve Are factorization algorithms parallelizable?
Jun
24
answered cipher text only attacks on deterministic homomorphic encryption schemes
Jun
24
revised cipher text only attacks on deterministic homomorphic encryption schemes
minor correction
Jun
23
reviewed Approve Proofs of collision resistance by reduction
Jun
22
reviewed Approve RSA: How effective is this keypair-trash attack
Jun
22
comment SQL-Like queries in CRYPTDB doesn't work
looks like they disabled LIKE queries in recent releases
Jun
17
comment What is search space?
how do u "connect Ds " ?
Jun
16
comment Epsilon Differential privacy using Laplace distribution
Would recommend moving this question to data mining (stats.stackexchange.com) as it may get some appropriate audience. This is not really a cryptography question to help
Jun
16
reviewed Approve Signature scheme doesn't seem to hold
Jun
15
revised security in format preserving encryption
added references
Jun
15
reviewed Approve elliptic-curves tag wiki excerpt
Jun
12
comment Deriving 2 shared secrets from one private key and 2 different public keys
what does it mean by "derive 2 shared secrets , $d*Q_1$ ..." ? . Also looks like some text book problem ?
Jun
9
reviewed Approve Why initialize SHA1 with specific buffer?
Jun
8
revised Practical implementations of Multiparty computations
added 28 characters in body
May
29
answered security in format preserving encryption
May
19
comment garbled circuit vs fully homomorphic encryption
In GC , are there really two separate steps to calculate garbled circuit and garbled input ? i believe they are done in one step ?
May
18
comment How to securely store data? / How to securely encrypt a file?
first , what is a keyfile ? is it a general file with cryptographic keys ? then why dont we just call it keys ?
May
18
comment What is the difference between online and offline brute force attacks?
Simplest explanation is , you got a dump of /etc/password file to try all possible passwords at machine in your basement (offline). The other being you keep trying bunch of default/popular passwords at the command prompt of the server (online) until u succeed
May
18
comment How to securely store data? / How to securely encrypt a file?
Ok. Also it is not clear the XORING of key files ?