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

This class is a transparent representation of an RSA public key.

public class 
RSAPublicKeySpec  implements KeySpec {
// Public Constructors
public 
RSAPublicKeySpec (java.math.BigInteger 
modulus , 
java.math.BigInteger 
publicExponent );  
// Public Instance Methods
public java.math.BigInteger 
getModulus ( );  
public java.math.BigInteger 
getPublicExponent ( );  
}