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DummyKeyPairGenerator.java (clone): Removed useless instanceof check.

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2004-08-30  Casey Marshall  <csm@gnu.org>

        * java/security/DummyKeyPairGenerator.java (clone): Removed
        useless instanceof check.
        * java/security/DummyMessageDigest.java (clone): Likewise.
        * java/security/DummySignature.java (clone): Likewise.
        * java/security/MessageDigest.java (clone): Remove useless
        instanceof check.
        * java/security/MessageDigestSpi.java (clone): Likewise.
        * java/security/Signature.java (clone): Provide meaningful
        implementation.
        * java/security/SignatureSpi.java (clone): Likewise.

From-SVN: r86755
This commit is contained in:
Casey Marshall
2004-08-30 10:25:38 +00:00
committed by Andreas Tobler
parent ce521a9c85
commit 28839b70d0
8 changed files with 52 additions and 54 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libjava/java/security/MessageDigest.java
+20 -23
View File
@@ -102,9 +102,9 @@ public abstract class MessageDigest extends MessageDigestSpi
/**
* Creates a message digest with the specified algorithm name.
*
* @param algorithm the standard name of the digest algorithm.
* See Appendix A in the Java Cryptography Architecture API
* Specification &amp; Reference for information about standard
* @param algorithm the standard name of the digest algorithm.
* See Appendix A in the Java Cryptography Architecture API
* Specification &amp; Reference for information about standard
* algorithm names.
*/
protected MessageDigest(String algorithm)
@@ -134,11 +134,11 @@ public abstract class MessageDigest extends MessageDigestSpi
Provider[] p = Security.getProviders();
for (int i = 0; i < p.length; i++)
{
try
{
return getInstance(algorithm, p[i]);
}
catch (NoSuchAlgorithmException ignored) {}
try
{
return getInstance(algorithm, p[i]);
}
catch (NoSuchAlgorithmException ignored) {}
}
throw new NoSuchAlgorithmException(algorithm);
@@ -206,17 +206,17 @@ public abstract class MessageDigest extends MessageDigestSpi
}
catch (java.lang.reflect.InvocationTargetException ite)
{
throw new NoSuchAlgorithmException(algorithm);
throw new NoSuchAlgorithmException(algorithm);
}
if (o instanceof MessageDigestSpi)
{
result = new DummyMessageDigest((MessageDigestSpi) o, algorithm);
result = new DummyMessageDigest((MessageDigestSpi) o, algorithm);
}
else if (o instanceof MessageDigest)
{
result = (MessageDigest) o;
result.algorithm = algorithm;
result = (MessageDigest) o;
result.algorithm = algorithm;
}
else
{
@@ -335,7 +335,7 @@ public abstract class MessageDigest extends MessageDigestSpi
for (int i = digesta.length - 1; i >= 0; --i)
if (digesta[i] != digestb[i])
return false;
return false;
return true;
}
@@ -383,10 +383,7 @@ public abstract class MessageDigest extends MessageDigestSpi
*/
public Object clone() throws CloneNotSupportedException
{
if (this instanceof Cloneable)
return super.clone();
else
throw new CloneNotSupportedException();
return super.clone();
}
private String digestToString()
@@ -400,12 +397,12 @@ public abstract class MessageDigest extends MessageDigestSpi
int len = digest.length;
for (int i = 0; i < len; ++i)
{
byte b = digest[i];
byte high = (byte) ((b & 0xff) >>> 4);
byte low = (byte) (b & 0xf);
byte b = digest[i];
byte high = (byte) ((b & 0xff) >>> 4);
byte low = (byte) (b & 0xf);
buf.append(high > 9 ? ('a' - 10) + high : '0' + high);
buf.append(low > 9 ? ('a' - 10) + low : '0' + low);
buf.append(high > 9 ? ('a' - 10) + high : '0' + high);
buf.append(low > 9 ? ('a' - 10) + low : '0' + low);
}
return buf.toString();