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Security and Crypto Enthusiast


Jan
22
revised Reference papers for protocol proving
added 122 characters in body
Jan
22
comment Reference papers for protocol proving
there are so many other tools as some body suggested in other thread, i was looking for manually working out of proofs so i wanted some references/examples of papers which has done so
Jan
22
asked Reference papers for protocol proving
Jan
2
comment What are monotonic and non monotonic access structures in ABE ?
Thank you , can you give the link to Beimel's thesis ?
Jan
2
accepted What are monotonic and non monotonic access structures in ABE ?
Jan
1
answered Searching over encrypted data
Dec
31
comment Searching over encrypted data
Can you be more specific with your requirement ? If users send the encrypted data to you , are you some kind of proxy ? will you know the search terms in plain text ?
Dec
30
accepted Can Add and Multiply On Cipher Text achieve all operations?
Dec
30
asked What are monotonic and non monotonic access structures in ABE ?
Dec
28
comment Are there any tools for modelling and analysis of Cryptographic protocols?
Thank you very much !
Dec
28
accepted Are there any tools for modelling and analysis of Cryptographic protocols?
Dec
27
comment Are there any tools for modelling and analysis of Cryptographic protocols?
looks interesting , i would analyze them in detail
Dec
27
comment Can Add and Multiply On Cipher Text achieve all operations?
i got the complexity ! thats why may be FHE schemes are highly inefficient
Dec
27
comment Can Add and Multiply On Cipher Text achieve all operations?
I have quickly checked hcrypt's implementation , boolean XOR is equivalent to arithmetic Add , boolean AND is equivalent to arithmetic Mult, so they would be universal operations to realise any circuit , i got my answer , thanks anyway
Dec
27
revised Are there any tools for modelling and analysis of Cryptographic protocols?
updated with an example tool
Dec
27
comment Can Add and Multiply On Cipher Text achieve all operations?
but then what good it would be for real use , if we solve FHE i.e only add and mult over cipher texts , unless we find ways of solving universal operations
Dec
27
comment Can Add and Multiply On Cipher Text achieve all operations?
oops , thanks ,corrected now !
Dec
27
revised Can Add and Multiply On Cipher Text achieve all operations?
corrected a typo in the subject
Dec
27
comment Can Add and Multiply On Cipher Text achieve all operations?
universal operations are add, xor or nand , nor , not sure why they defined it with "and" and "mult"
Dec
27
asked Can Add and Multiply On Cipher Text achieve all operations?