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minor TODO

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Jeffrey Burdges 2017-05-22 15:20:48 +02:00
parent a838af7dda
commit 91e3171982
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1 changed files with 4 additions and 2 deletions
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@ -1409,6 +1409,8 @@ Diffie-Hellman key exchange on curve25519.
We work with the usual instantiation of the random oracle model as We work with the usual instantiation of the random oracle model as
returning a random string and placing it into a database for future returning a random string and placing it into a database for future
queries. queries.
% TODO: this paragraph seems superfluous since its kinda sucked into
% the reference.
We have a shared secret $k$ derived from an ECDH from which we derive We have a shared secret $k$ derived from an ECDH from which we derive
the encryption key used in the old protocol to encrypt the new coin's the encryption key used in the old protocol to encrypt the new coin's
@ -1418,7 +1420,7 @@ keyed by $k$. We can do this because first the data is encrypted and
second revealing the new coin's blinding factor or public or private second revealing the new coin's blinding factor or public or private
keys later reveals nothing about $k$, thanks to \cite[Theorem 4.1]{Rudich88}. keys later reveals nothing about $k$, thanks to \cite[Theorem 4.1]{Rudich88}.
After this modfication, our real KDF scheme with the KDF instantiated After this modification, our real KDF scheme with the KDF instantiated
by the random oracle $R$ gives the same result as our scheme that by the random oracle $R$ gives the same result as our scheme that
encrypts data produced by $R$. We now observe the encryption has encrypts data produced by $R$. We now observe the encryption has
becomes superfluous and may be omitted, as another party who learns becomes superfluous and may be omitted, as another party who learns