| year | title | booktitle | pages | |
|---|---|---|---|---|
| 1 | 1988 | Zero-Knowledge Proofs of Identity And Veracity of Transaction Receipts | eurocrypt | 35-49 |
| 2 | 1985 | Fingerprinting Long Forgiving Messages | crypto | 180-189 |
| 3 | 1981 | Software Protection Using ``Communal Key Cryptosystems'' | crypto | 79 |
Coauthors of George B. Purdy |