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28/20 answers
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 Yearling
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Apr
23
comment Deterministic outputs based on non-connected inputs
$o_j = j {}{}\;$
Apr
23
comment Deterministic outputs based on non-connected inputs
The inputs' left half being all zero is a way to make sure that the $\hspace{.04 in}f_j$s are one-way. $\;$
Apr
23
answered Deterministic outputs based on non-connected inputs
Apr
23
comment How are onetimepads distributed?
The receiver doesn't need the "key before the message is" sent; the receiver only $\hspace{1.45 in}$ needs the key in order to decrypt the message. $\:$
Apr
23
comment Determine encryption method with input and output
"I the password" ? $\;$
Apr
23
revised Determine encryption method with input and output
improved grammar and changed spacing
Apr
22
comment Why does second pre-image resistance imply pre-image resistance
I gave that example over a year ago. $\;$
Apr
22
comment Double-and-add/Montgomery VS blinding
I suspect that's because blinding is not as good and makes the runtime generally longer, $\hspace{1.04 in}$ even if it seems as good and is cheaper to implement. $\;$
Apr
22
answered Authenticated EC key exchange without a signing/signature scheme?
Apr
22
comment Elliptic curve cryptography G*G
That is the Fixed Pairing Inversion problem. $\;$
Apr
22
answered Elliptic curve cryptography G*G
Apr
22
comment Super-simple encryption of short strings
How many letters long are the initials? $\;$
Apr
22
comment Super-simple encryption of short strings
Is "a symmetric encoding" in the sense of symmetric encryption vs. PKE, or something else? $\hspace{.91 in}$
Apr
20
answered How is the MAC or HMAC secret shared with the other party for verification?
Apr
19
answered Is it ever unsafe to compress an EC point?
Apr
16
revised Are keys generated by the user or block cipher algorithms themselves?
improved grammar
Apr
16
comment SSL / TLS digital signature exchange
@HarshitBhatt : $\;\;\;$ Yes. $\:$ Does the server's public key count as one of the "details" of "the original certificate"? $\:$ ... Almost tautologically, "if they are not used anywhere" then there won't be a use for them. $\;\;\;\;\;\;\;$
Apr
16
comment How do I control an access code safely?
tarsnap.com/scrypt.html $\;$
Apr
15
revised Popularity of ECMQV authenticated key agreement protocol
improved grammar
Apr
15
comment What is the meaning of h(r) in this protocol?
$h$ is a hash function. $\;$