| year | title | booktitle | pages | |
|---|---|---|---|---|
| 1 | 1994 | Combinatorial Interpretation of Secret Sharing Schemes | asiacrypt | 55-64 |
| 2 | 1994 | Security of the Center in Key Distribution Schemes | asiacrypt | 333-341 |
| 3 | 1994 | Low Exponent Attack against Elliptic Curve RSA | asiacrypt | 376-383 |
| 4 | 1994 | Lower Bound on the Size of Shares of Nonperfect Secret Sharing Schemes | asiacrypt | 33-41 |
| 5 | 1993 | Nonperfect Secret Sharing Schemes and Matroids | eurocrypt | 126-141 |
Coauthors of Koji Okada |