Java in a Nutshell, 5th Edition [Electronic resources]

This is a superinterface for RSAPublicKey and RSAPrivateKey; it defines a method shared by both classes. Prior to Java 1.3, the getModulus( ) method was defined independently by RSAPublicKey and RSAPrivateKey.

public interface 
RSAKey  {
// Public Instance Methods
java.math.BigInteger 
getModulus ( );  
}

Implementations

RSAPrivateKey, RSAPublicKey