RSA (cryptosystem) - Wikipedia
His discovery, however, was not revealed until ...(obtained from the freely available public key) ...the Probabilistic Signature Scheme for RSA (RSA-...
RSA Signing is Not RSA Decryption
"Textbook" RSA, of course, is not secure in that sense.RSA Digital SignaturesWe could use R to attempt to build a digital signature scheme using ...