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visits member for 2 years, 11 months
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Security and Crypto Technologist


Nov
9
asked Is there a relation between security of rounds of DES and Luby Rackoff rounds?
Nov
9
comment Why is it important to generate a pseudorandom permutation from a pseudorandom function?
@D.W. Yeah you put it right way ! my misconception is cleared now , by reading about LR and its derivatives work i some how got to believe this is the only way . But inorder to build small domain ciphers i dont see much work building the AES way, although AES is used as PRF
Nov
8
comment Why is it important to generate a pseudorandom permutation from a pseudorandom function?
Is it necessary that a PRP can be constructed always from a PRF ?
Nov
8
asked What is the difference between various modes in FPE?
Nov
8
asked Why is it important to generate a pseudorandom permutation from a pseudorandom function?
Nov
5
awarded  Peer Pressure
Oct
23
answered Open source implementations of Symmetric Searchable Encryption and Order Preserving Encryption
Oct
17
accepted Is there way to combine secrets first and later split them?
Oct
16
asked Can we decrypt in this order when the message is encrypted twice?
Oct
15
comment Is there way to combine secrets first and later split them?
@rath, i dont have public values in my system
Oct
15
comment Is there way to combine secrets first and later split them?
@Reid yeah makes sense now . i did not view it from compression angle .
Oct
15
comment Is there way to combine secrets first and later split them?
@Reid the resultant combined string length should be less than string length of combined strings concatenated plainly.
Oct
15
comment Is there way to combine secrets first and later split them?
added additional details , basically i want to pack two strings first and later i may split them into their original forms
Oct
15
revised Is there way to combine secrets first and later split them?
additional info
Oct
15
asked Is there way to combine secrets first and later split them?
Oct
10
accepted what are the uses of tweaks in block ciphers?
Oct
9
comment what are the uses of tweaks in block ciphers?
@CodesInChaos i did not get the use of blockid as tweak ? how does it help in disk encryption ?
Oct
9
comment what are the uses of tweaks in block ciphers?
thanks i checked that question before posting , it did not have the answer for my question
Oct
9
asked what are the uses of tweaks in block ciphers?
Oct
4
accepted Difference between salted hash and keyed hashing?