Rose, Greg wrote:
Some people have been referring to the Rabin signature algorithm as either 
Rabin-Miller or R-W (I assume meaning Rabin-Williams). Credit where credit is 
due: the scheme is entirely due to Michael Rabin according to my understanding. 
His name gets tied to the others in other contexts such as checking primality.

Greg.

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The mathematician Hugh C. Williams submitted a manuscript "A Modification of the RSA Public-Key Encryption Procedure" on July 17, 1979, to the journal IEEE Transactions on Information Theory, which was published in Vol IT-26, issue 6, in November 1980. This original work includes characteristics which are essential to the R-W scheme as it is practiced today (and were absent from the prior TR-212 MIT research report by Rabin which is referred to by Williams).

Rabin and Williams were in contact during these days.

The fact that Williams did not work for a US University bound by a rule that inventions (funded by US gov money?) had to be covered by a patent application may have caused the absence of a patent for the R-W scheme.

Hope it clarifies a bit!

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