Online/Offline Signatures
Published in
3 min readOct 31, 2020
In Nov 1988, Silvio Micali, Oded Goldreich and Shimon Even submitted a patent that allowed for a pre-computation element so that a message could be signed without the requirement to be on-line. It involved two main stages. The first was a precomputed value that was independent on the message (s1), and the second for a one-time public key (s2) [here]:
