/[classpath]/classpath/java/security/Signature.java
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revision 1.11 by cbj, Thu Mar 27 03:32:08 2003 UTC revision 1.12 by rsdio, Wed Apr 23 23:15:47 2003 UTC
# Line 38  exception statement from your version. * Line 38  exception statement from your version. *
38  package java.security;  package java.security;
39    
40  import java.security.cert.Certificate;  import java.security.cert.Certificate;
41    import java.security.cert.CertificateException;
42  import java.security.cert.X509Certificate;  import java.security.cert.X509Certificate;
43  import java.security.spec.AlgorithmParameterSpec;  import java.security.spec.AlgorithmParameterSpec;
44    
45    import gnu.java.security.Engine;
46    
47  /**  /**
48   * <p>This <code>Signature</code> class is used to provide applications the   * <p>This <code>Signature</code> class is used to provide applications the
49   * functionality of a digital signature algorithm. Digital signatures are used   * functionality of a digital signature algorithm. Digital signatures are used
# Line 237  public abstract class Signature extends Line 240  public abstract class Signature extends
240        throw new IllegalArgumentException("Illegal provider");        throw new IllegalArgumentException("Illegal provider");
241    
242      Signature result = null;      Signature result = null;
243      Object o = Engine.getInstance(SIGNATURE, algorithm, provider);      Object o = null;
244        try
245          {
246            o = Engine.getInstance(SIGNATURE, algorithm, provider);
247          }
248        catch (java.lang.reflect.InvocationTargetException ite)
249          {
250            throw new NoSuchAlgorithmException(algorithm);
251          }
252    
253      if (o instanceof SignatureSpi)      if (o instanceof SignatureSpi)
254        {        {
# Line 308  public abstract class Signature extends Line 319  public abstract class Signature extends
319            throw new InvalidKeyException(            throw new InvalidKeyException(
320                "KeyUsage of this Certificate indicates it cannot be used for digital signing");                "KeyUsage of this Certificate indicates it cannot be used for digital signing");
321        }        }
322      this.initVerify(certificate.getPublicKey());      try
323          {
324            this.initVerify(certificate.getPublicKey());
325          }
326        catch (SignatureException se)
327          {
328            throw new InvalidKeyException(se.getMessage());
329          }
330        catch (NoSuchAlgorithmException nsae)
331          {
332            throw new InvalidKeyException(nsae.getMessage());
333          }
334        catch (NoSuchProviderException nspe)
335          {
336            throw new InvalidKeyException(nspe.getMessage());
337          }
338        catch (CertificateException ce)
339          {
340            throw new InvalidKeyException(ce.getMessage());
341          }
342    }    }
343    
344    /**    /**

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  Added in v.1.12

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