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bio website pwnhome.wordpress.com
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visits member for 3 years, 6 months
seen 7 hours ago

I like crypto. Need I say more?


Jun
7
revised Number of different substitution alphabet ciphers possible with given conditions?
edited tags
Jun
6
comment What are differences between $E(F_p)$ and $E(Z_p)$?
Same thing, just difference in notation.
Jun
5
comment Security of a security protocol for key exchange, using symmetric-key cryptography
cleaned up a bunch of old comments that related to an older version of the answer
Jun
3
comment Secure Secret sharing
Note that in their case, $k<n$. In your case, $k=n$.
Jun
3
revised Shamir Secret sharing - Can share generator keep x values secret?
added 37 characters in body
Jun
3
revised Shamir Secret sharing - Can share generator keep x values secret?
added 334 characters in body
Jun
2
comment Secure Secret sharing
This is interesting. Good find. FYI, if you type @<username> in the comment it will ping the user so they know something was posted for them. I just happened to look back at this. Otherwise I would have had no idea you had posted.
Jun
2
comment Recommended skills for a job in cryptology
Not sure I would call NSA a company.
May
30
revised Does RSA work for any message M?
Sorry, just had to :)
May
30
comment Secure Secret sharing
My general feeling is that there is no way to make your idea secure without major modifications.
May
30
revised Secure Secret sharing
added 7 characters in body
May
30
revised Secure Secret sharing
hopefully made it more clear
May
30
revised Secure Secret sharing
deleted 4 characters in body; edited tags
May
30
comment how to use common modulus attack?
@Sara The ciphertext is raised to the $s_1$ and $s_2$ respectively, which multiplies in the exponent.
May
30
revised how to use common modulus attack?
deleted 4 characters in body
May
30
revised how to use common modulus attack?
added 4 characters in body
May
30
comment how to use common modulus attack?
@Sara, that is just algebra. Maybe I should have put parenthesis to make it more clear what was going on . I'll update.
May
29
comment Pailler and Gentry - homomorphic encryption
I'm having a hard time understanding your question. You seem to believe that Paillier and Gentry's FHE schemes are both weak. Why do you believe this? There are no practical weaknesses in either.
May
29
reviewed No Action Needed Can anyone explain how the modified r-adding walk works?
May
29
reviewed Leave Open how to use common modulus attack?