2004-11-07 Casey Marshall <csm@gnu.org>

	Signed JAR file support.
	* java/net/URLClassLoader.java
	(JarURLResource.getCertificates): re-read jar entry to ensure
	certificates are picked up.
	(findClass): fill in class `signers' field, too.
	* java/util/jar/JarFile.java (META_INF): new constant.
	(PKCS7_DSA_SUFFIX): new constant.
	(PKCS7_RSA_SUFFIX): new constant.
	(DIGEST_KEY_SUFFIX): new constant.
	(SF_SUFFIX): new constant.
	(MD2_OID): new constant.
	(MD4_OID): new constant.
	(MD5_OID): new constant.
	(SHA1_OID): new constant.
	(DSA_ENCRYPTION_OID): new constant.
	(RSA_ENCRYPTION_OID): new constant.
	(signaturesRead): new field.
	(verified): new field.
	(entryCerts): new field.
	(DEBUG): new constant.
	(debug): new method.
	(JarEnumeration.nextElement): fill in entry certificates, read
	signatures if they haven't been read.
	(getEntry): likewise.
	(getInputStream): verify stream if it hasn't been verified
	yet.
	(readSignatures): new method.
	(verify): new method.
	(verifyHashes): new method.
	(readManifestEntry): new method.
	(EntryInputStream): new class.
	* java/util/zip/InflaterInputStream.java
	Don't defer to underlying stream for mark/reset.
	(markSupported): new method; return `false'.
	(mark): new method.
	(reset): new method.
	* gnu/java/io/Base64InputStream.java (decode): new class
	method.
	* gnu/java/security/der/DERReader.java don't make class
	final.
	(in): made protected.
	(encBuf): likewise.
	(readLength): likewise.
	* gnu/java/security/ber/BER.java,
	* gnu/java/security/ber/BEREncodingException.java,
	* gnu/java/security/ber/BERReader.java,
	* gnu/java/security/ber/BERValue.java,
	* gnu/java/security/pkcs/PKCS7SignedData.java,
	* gnu/java/security/pkcs/SignerInfo.java:
	new files.

1 files changed, 27 insertions, 1 deletions

diff --git a/gnu/java/io/Base64InputStream.java b/gnu/java/io/Base64InputStream.java
index 3780e9528..617e83151 100644
--- a/gnu/java/io/Base64InputStream.java
+++ b/gnu/java/io/Base64InputStream.java
@@ -1,5 +1,5 @@
 /* Base64InputStream.java -- base-64 input stream.
-   Copyright (C) 2003 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004 Free Software Foundation, Inc.
 
 This file is part of GNU Classpath.
 
@@ -38,6 +38,8 @@ exception statement from your version. */
 
 package gnu.java.io;
 
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
 import java.io.FilterInputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -90,6 +92,30 @@ public class Base64InputStream extends FilterInputStream
     eof = false;
   }
 
+  // Class method.
+  // ------------------------------------------------------------------------
+
+  /**
+   * Decode a single Base-64 string to a byte array.
+   *
+   * @param base64 The Base-64 encoded data.
+   * @return The decoded bytes.
+   * @throws IOException If the given data do not compose a valid Base-64
+   *  sequence.
+   */
+  public static byte[] decode(String base64) throws IOException
+  {
+    Base64InputStream in =
+      new Base64InputStream(new ByteArrayInputStream(base64.getBytes()));
+    ByteArrayOutputStream out =
+      new ByteArrayOutputStream((int) (base64.length() / 0.666));
+    byte[] buf = new byte[1024];
+    int len;
+    while ((len = in.read(buf)) != -1)
+      out.write(buf, 0, len);
+    return out.toByteArray();
+  }
+
   // Instance methods.
   // ------------------------------------------------------------------------