Re: [Cryptix-users] java.lang.ClassCastException

[Jeroen C. v. G. <je...@va...>]

Faveh,

On which line does the exception occur?

-J

On Wednesday, Oct 30, 2002, at 11:50 US/Eastern, Faveh Khosravi wrote:

> Hi,
>
> I am using Cryptix 3 and I get the followoing error:
>
> java.lang.ClassCastException:
> com.sun.rsajca.JSA_RSAPublicKey
>
> when I run the following code:
>
>   public void computeKeys(int size) {
>         try {
>             KeyPairGenerator kpg =
> KeyPairGenerator.getInstance("RSA");
>             Cipher cipher = Cipher.getInstance("RSA");
>
>             kpg.initialize(size, prng);
>             System.out.print(". ");
>             KeyPair pair = kpg.generateKeyPair();
>             System.out.print(". ");
>             PrivateKey sk = pair.getPrivate();
>             System.out.print(". ");
>             PublicKey pk = pair.getPublic();
>             System.out.println(". Done!\n");
>
>             System.out.println("Getting simple key
> components...");
>
>             BigInteger m = ((CryptixRSAPublicKey)
> pk).getModulus();
>             BigInteger e = ((CryptixRSAPublicKey)
> pk).getExponent();
>             System.out.println("   Public key
> material:");
>             System.out.println("   n: " +
> BI.dumpString(m));
>             System.out.println("   e: " +
> BI.dumpString(e));
>
>             BigInteger n = ((CryptixRSAPrivateKey)
> sk).getModulus();
>             BigInteger d = ((CryptixRSAPrivateKey)
> sk).getExponent();
>             BigInteger p = ((RSAFactors) sk).getP();
>             BigInteger q = ((RSAFactors) sk).getQ();
>             BigInteger u = ((RSAFactors)
> sk).getInverseOfQModP();
>             System.out.println("   Private key
> material:");
>             System.out.println("   n: " +
> BI.dumpString(n));
>             System.out.println("   d: " +
> BI.dumpString(d));
>             System.out.println("   p: " +
> BI.dumpString(p));
>             System.out.println("   q: " +
> BI.dumpString(q));
>             System.out.println("   u: " +
> BI.dumpString(u));
>
>
>         } catch (Exception e) {
>             System.out.println(e);
>         }
>         return;
>     }
>
> Your help will be very much appreciated. Thanks in
> advance.
>
>
>
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-- 
Jeroen C. van Gelderen - je...@va... - +1 242 357 5115

"All that is necessary for evil to triumph is for good men to do 
nothing."
-- Edmund Burke