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25 
26 package java.security.spec;
27 
28 import java.math.BigInteger;
29 
30 /**
31  * This class specifies an RSA public key.
32  *
33  * @author Jan Luehe
34  *
35  *
36  * @see java.security.Key
37  * @see java.security.KeyFactory
38  * @see KeySpec
39  * @see X509EncodedKeySpec
40  * @see RSAPrivateKeySpec
41  * @see RSAPrivateCrtKeySpec
42  */
43 
44 public class RSAPublicKeySpec implements KeySpec {
45 
46     private BigInteger modulus;
47     private BigInteger publicExponent;
48 
49     /**
50      * Creates a new RSAPublicKeySpec.
51      *
52      * @param modulus the modulus
53      * @param publicExponent the public exponent
54      */
RSAPublicKeySpec(BigInteger modulus, BigInteger publicExponent)55     public RSAPublicKeySpec(BigInteger modulus, BigInteger publicExponent) {
56         this.modulus = modulus;
57         this.publicExponent = publicExponent;
58     }
59 
60     /**
61      * Returns the modulus.
62      *
63      * @return the modulus
64      */
getModulus()65     public BigInteger getModulus() {
66         return this.modulus;
67     }
68 
69     /**
70      * Returns the public exponent.
71      *
72      * @return the public exponent
73      */
getPublicExponent()74     public BigInteger getPublicExponent() {
75         return this.publicExponent;
76     }
77 }
78