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1515
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location Bangalore, India
age 31
visits member for 2 years, 6 months
seen 13 hours ago

Security and Crypto Enthusiast


Oct
8
asked How should we handle patents on FPE that NIST proposed in draft 800-38g?
Oct
4
accepted Difference between salted hash and keyed hashing?
Oct
4
awarded  Yearling
Oct
3
asked Difference between salted hash and keyed hashing?
Sep
10
accepted General-purpose non-interactive multi-party computation protocol
Sep
10
comment General-purpose non-interactive multi-party computation protocol
Interesting but this is one the case. but not generalized SMC, you would find secret sharing scheme to be heart of SMC in most protocols , refer martin giesler's mpc thesis .
Sep
10
comment General-purpose non-interactive multi-party computation protocol
give me reference. without a dealer how is the secret shared ? ideally , each party gets results from others and collates itself if it requests the function evaluation
Sep
10
revised General-purpose non-interactive multi-party computation protocol
better explanation
Sep
10
comment General-purpose non-interactive multi-party computation protocol
yes clients get the partial results via secure channels
Sep
10
comment General-purpose non-interactive multi-party computation protocol
edited the question accordingly for more clarity .
Sep
10
revised General-purpose non-interactive multi-party computation protocol
better explanation
Sep
9
comment General-purpose non-interactive multi-party computation protocol
the dealer is who distributed the shares to each server , say a client distributes the shares among servers , once the protocol of function evaluation is over, all the partial results are collated by client . in a non-interactive protocol servers should not talk to each other
Sep
9
comment General-purpose non-interactive multi-party computation protocol
non-interactive means, the parties don't interact with each other. only the dealer gets all the partial results and collates them . if we use Shamir's scheme , the parties would need to interact for degree reduction while multiplication, for addition they need not ofcourse .
Sep
9
asked General-purpose non-interactive multi-party computation protocol
Sep
8
accepted Distributed Asymmetric Key Decryption with threshold
Sep
8
comment Distributed Asymmetric Key Decryption with threshold
yes, some other colleague also impromptuly gave me this idea . but some how it is not fitting squarely in my application . thanks anyway !
Sep
6
comment Distributed Asymmetric Key Decryption with threshold
I heard about this technique from a colleague. but could not locate the actual reference of the paper . do u have it ?
Sep
6
asked Distributed Asymmetric Key Decryption with threshold
Aug
31
comment Order Preserving Encryption for Numeric Data Values
FHE cannot be used to achieve OPE, but definitely applications of OPE can be realized using FHE . I mean if OPE allows one to perform sort, compare etc , its trivial in FHE to execute such circuits on encrypted data .
Aug
30
accepted What kind of adversary is a compromised party?