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I like crypto. Need I say more?


Jan
18
awarded  Enlightened
Jan
18
awarded  Nice Answer
Jan
17
comment Which is better ECDHE with TLS 1.0
I'm assuming you don't really want NULL as that means no confidentiality (in other words your data is sent unencrypted). I'd avoid RC4. As to what is left, what are your goals? How important is speed? In other words, what does "better" mean? Does your processor support AES-NI? Why only SHA and nothing from SHA2 family?
Jan
17
comment What is the difference between homomorphic encryption and homomorphic signature?
@user11236 advantage compared to what? to each other? that is like comparing apples and oranges.
Jan
16
comment Where can I find source code for ideal world simulation?
If you have specific questions that you were hoping to answer by looking at code, I'd suggest writing them up on here.
Jan
16
comment Where can I find source code for ideal world simulation?
The paradigm is used to prove security. I don't think anyone codes it up.
Jan
14
revised Where does the $\varphi(n)$ part of RSA come from?
added 112 characters in body
Jan
14
comment Where does the $\varphi(n)$ part of RSA come from?
@fgrieu good point.
Jan
14
comment What is the difference between homomorphic encryption and homomorphic signature?
Your question is way too broad and will likely be closed. I did my best, but you need to be more specific in what you are looking for. A general introduction (like I gave), example crypto systems, implementations, how to apply it to your problem, or something else. Your question as stated is like saying, "I want to ride a scooter instead of a motorcycle. So tell me about scooters and motorcycles."
Jan
14
answered What is the difference between homomorphic encryption and homomorphic signature?
Jan
13
comment 2PC Private Set Intersection Optimized for asymmetrically sized sets
cleaned up comments
Jan
8
comment Deterministically combine more than one source of entropy
cleaned up some comments
Jan
6
revised How to judge if my work is meaningful in cryptography?
added 2 characters in body
Jan
4
awarded  Nice Answer
Jan
3
revised Where does the $\varphi(n)$ part of RSA come from?
added 3 characters in body
Jan
3
answered Where does the $\varphi(n)$ part of RSA come from?
Jan
2
reviewed Approve suggested edit on congruence tag wiki
Jan
2
awarded  Enlightened
Jan
2
awarded  Nice Answer
Dec
30
comment How do you distribute secret shares without knowing who to first distribute them to?
I'm confused, you want to distribute shares w/o knowing who to distribute them to? That seems impossible. Maybe an example usage scenario would help?