A process for the identification of a claimant by a verifier. The process is of the public key type, where the public exponent is equal to 3. The claimant draws at random a first exponent .alpha., calculates r=g.sup..alpha. mod n and transmits R=r.sup.3. The verifier draws at random a second exponent...http://www.google.de/patents/US6125445?utm_source=gb-gplus-sharePatent US6125445 - Public key identification process using two hash functions