US PATENT SUBCLASS 380 / 30
.~.~ Public key

Current as of: June, 1999
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380 /   HD   CRYPTOGRAPHY

9  DF  ELECTRIC SIGNAL MODIFICATION (E.G., SCRAMBLING) {18}
28  DF  .~ By particular algorithmic function encoding {2}
30.~.~ Public key

DEFINITION

Classification: 380/30

Public key:

(under subclass 28) Subject matter including an encryption algorithm which is computationally infeasible to invert, and having distinct encryption and decryption keys.

(1) Note. The encryption keys do not require secrecy and are usually published.