libjava/classpath/gnu/java/security/pkcs/SignerInfo.java - rust-lang/gcc - Git at Google

 /* SignerInfo.java -- a SignerInfo object, from PKCS #7
    Copyright (C) 2004, 2005  Free Software Foundation, Inc.

 This file is part of GNU Classpath.

 GNU Classpath is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2, or (at your option)
 any later version.

 GNU Classpath is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with GNU Classpath; see the file COPYING.  If not, write to the
 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 02110-1301 USA.

 Linking this library statically or dynamically with other modules is
 making a combined work based on this library.  Thus, the terms and
 conditions of the GNU General Public License cover the whole
 combination.

 As a special exception, the copyright holders of this library give you
 permission to link this library with independent modules to produce an
 executable, regardless of the license terms of these independent
 modules, and to copy and distribute the resulting executable under
 terms of your choice, provided that you also meet, for each linked
 independent module, the terms and conditions of the license of that
 module.  An independent module is a module which is not derived from
 or based on this library.  If you modify this library, you may extend
 this exception to your version of the library, but you are not
 obligated to do so.  If you do not wish to do so, delete this
 exception statement from your version. */

 package gnu.java.security.pkcs;

 import gnu.java.security.OID;
 import gnu.java.security.ber.BER;
 import gnu.java.security.ber.BEREncodingException;
 import gnu.java.security.ber.BERReader;
 import gnu.java.security.ber.BERValue;
 import gnu.java.security.der.DERValue;

 import java.io.IOException;

 import java.math.BigInteger;

 import javax.security.auth.x500.X500Principal;

 public class SignerInfo
 {
   private final BigInteger version;
   private final BigInteger serialNumber;
   private final X500Principal issuer;
   private final OID digestAlgorithmId;
   private final byte[] digestAlgorithmParams;
   private final byte[] authenticatedAttributes;
   private final OID digestEncryptionAlgorithmId;
   private final byte[] digestEncryptionAlgorithmParams;
   private final byte[] encryptedDigest;
   private final byte[] unauthenticatedAttributes;

   private static final boolean DEBUG = false;
   private static void debug(String msg)
   {
     System.err.print("SignerInfo >> ");
     System.err.println(msg);
   }

   /**
    * Parse a SignerInfo object.
    */
   public SignerInfo(BERReader ber) throws IOException
   {
     DERValue val = ber.read();
     if (DEBUG)
       debug("SignerInfo: " + val);
     if (!val.isConstructed())
       throw new BEREncodingException("malformed SignerInfo");

     val = ber.read();
     if (val.getTag() != BER.INTEGER)
       throw new BEREncodingException("malformed Version");
     version = (BigInteger) val.getValue();

     if (DEBUG)
       debug("  Version: " + version);

     val = ber.read();
     if (!val.isConstructed())
       throw new BEREncodingException("malformed IssuerAndSerialNumber");

     if (DEBUG)
       debug("  IssuerAndSerialNumber: " + val);

     val = ber.read();
     if (!val.isConstructed())
       throw new BEREncodingException("malformed Issuer");
     issuer = new X500Principal(val.getEncoded());
     ber.skip(val.getLength());
     if (DEBUG)
       debug("    Issuer: " + issuer);

     val = ber.read();
     if (val.getTag() != BER.INTEGER)
       throw new BEREncodingException("malformed SerialNumber");
     serialNumber = (BigInteger) val.getValue();
     if (DEBUG)
       debug("    SerialNumber: " + serialNumber);

     val = ber.read();
     if (!val.isConstructed())
       throw new BEREncodingException("malformed DigestAlgorithmIdentifier");
     if (DEBUG)
       debug("  DigestAlgorithmIdentifier: " + val);

     int count = 0;
     DERValue val2 = ber.read();
     if (val2.getTag() != BER.OBJECT_IDENTIFIER)
       throw new BEREncodingException("malformed AlgorithmIdentifier");
     digestAlgorithmId = (OID) val2.getValue();
     if (DEBUG)
       debug("    OID: " + digestAlgorithmId);

     if (BERValue.isIndefinite(val))
       {
         val2 = ber.read();
         if (val2 != BER.END_OF_SEQUENCE)
           {
             digestAlgorithmParams = val2.getEncoded();
             val2 = ber.read();
             if (val2 != BER.END_OF_SEQUENCE)
               throw new BEREncodingException("expecting BER end-of-sequence");
           }
         else
           digestAlgorithmParams = null;
       }
     else if (val2.getEncodedLength() < val.getLength())
       {
         val2 = ber.read();
         digestAlgorithmParams = val2.getEncoded();
         if (val2.isConstructed())
           ber.skip(val2.getLength());
       }
     else
       digestAlgorithmParams = null;
     if(DEBUG)
       debug("    params: " + (digestAlgorithmParams == null ? null
                               : new BigInteger(digestAlgorithmParams).toString(16)));

     val = ber.read();
     if (val.getTag() == 0)
       {
         authenticatedAttributes = val.getEncoded();
         val = ber.read();
         if (val.isConstructed())
           ber.skip(val.getLength());
         if (DEBUG)
           debug("  AuthenticatedAttributes: " + val);
         val = ber.read();
       }
     else
       authenticatedAttributes = null;

     if (!val.isConstructed())
       throw new BEREncodingException("malformed DigestEncryptionAlgorithmIdentifier");
     if (DEBUG)
       debug("  DigestEncryptionAlgorithmIdentifier: " + val);
     count = 0;
     val2 = ber.read();
     if (val2.getTag() != BER.OBJECT_IDENTIFIER)
       throw new BEREncodingException("malformed AlgorithmIdentifier");
     digestEncryptionAlgorithmId = (OID) val2.getValue();
     if (DEBUG)
       debug("    OID: " + digestEncryptionAlgorithmId);

     if (BERValue.isIndefinite(val))
       {
         val2 = ber.read();
         if (val2 != BER.END_OF_SEQUENCE)
           {
             digestEncryptionAlgorithmParams = val2.getEncoded();
             val2 = ber.read();
             if (val2 != BER.END_OF_SEQUENCE)
               throw new BEREncodingException("expecting BER end-of-sequence");
           }
         else
           digestEncryptionAlgorithmParams = null;
       }
     else if (val2.getEncodedLength() < val.getLength())
       {
         val2 = ber.read();
         digestEncryptionAlgorithmParams = val2.getEncoded();
         if (val2.isConstructed())
           ber.skip(val2.getLength());
       }
     else
       digestEncryptionAlgorithmParams = null;
     if(DEBUG)
       debug("    params: " + (digestEncryptionAlgorithmParams == null ? null
                               : new BigInteger(digestEncryptionAlgorithmParams).toString(16)));

     val = ber.read();
     if (val.getTag() != BER.OCTET_STRING)
       throw new BEREncodingException("malformed EncryptedDigest");
     encryptedDigest = (byte[]) val.getValue();
     if (DEBUG)
       debug("  EncryptedDigest: " + new BigInteger(1, encryptedDigest).toString(16));

     if (ber.peek() == 1)
       unauthenticatedAttributes = ber.read().getEncoded();
     else
       unauthenticatedAttributes = null;

     if (ber.peek() == 0)
       ber.read();
   }

   public BigInteger getVersion()
   {
     return version;
   }

   public BigInteger getSerialNumber()
   {
     return serialNumber;
   }

   public X500Principal getIssuer()
   {
     return issuer;
   }

   public OID getDigestAlgorithmId()
   {
     return digestAlgorithmId;
   }

   public byte[] getDigestAlgorithmParams()
   {
     return (digestAlgorithmParams != null
             ? (byte[]) digestAlgorithmParams.clone()
             : null);
   }

   public byte[] getAuthenticatedAttributes()
   {
     return (authenticatedAttributes != null
             ? (byte[]) authenticatedAttributes.clone()
             : null);
   }

   public OID getDigestEncryptionAlgorithmId()
   {
     return digestEncryptionAlgorithmId;
   }

   public byte[] getDigestEncryptionAlgorithmParams()
   {
     return (digestEncryptionAlgorithmParams != null
             ? (byte[]) digestEncryptionAlgorithmParams.clone()
             : null);
   }

   public byte[] getEncryptedDigest()
   {
     return (encryptedDigest != null ? (byte[]) encryptedDigest.clone() : null);
   }

   public byte[] getUnauthenticatedAttributes()
   {
     return (unauthenticatedAttributes != null
             ? (byte[]) unauthenticatedAttributes.clone()
             : null);
   }
 }
	/* SignerInfo.java -- a SignerInfo object, from PKCS #7
	Copyright (C) 2004, 2005 Free Software Foundation, Inc.

	This file is part of GNU Classpath.

	GNU Classpath is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2, or (at your option)
	any later version.

	GNU Classpath is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with GNU Classpath; see the file COPYING. If not, write to the
	Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
	02110-1301 USA.

	Linking this library statically or dynamically with other modules is
	making a combined work based on this library. Thus, the terms and
	conditions of the GNU General Public License cover the whole
	combination.

	As a special exception, the copyright holders of this library give you
	permission to link this library with independent modules to produce an
	executable, regardless of the license terms of these independent
	modules, and to copy and distribute the resulting executable under
	terms of your choice, provided that you also meet, for each linked
	independent module, the terms and conditions of the license of that
	module. An independent module is a module which is not derived from
	or based on this library. If you modify this library, you may extend
	this exception to your version of the library, but you are not
	obligated to do so. If you do not wish to do so, delete this
	exception statement from your version. */

	package gnu.java.security.pkcs;

	import gnu.java.security.OID;
	import gnu.java.security.ber.BER;
	import gnu.java.security.ber.BEREncodingException;
	import gnu.java.security.ber.BERReader;
	import gnu.java.security.ber.BERValue;
	import gnu.java.security.der.DERValue;

	import java.io.IOException;

	import java.math.BigInteger;

	import javax.security.auth.x500.X500Principal;

	public class SignerInfo
	{
	private final BigInteger version;
	private final BigInteger serialNumber;
	private final X500Principal issuer;
	private final OID digestAlgorithmId;
	private final byte[] digestAlgorithmParams;
	private final byte[] authenticatedAttributes;
	private final OID digestEncryptionAlgorithmId;
	private final byte[] digestEncryptionAlgorithmParams;
	private final byte[] encryptedDigest;
	private final byte[] unauthenticatedAttributes;

	private static final boolean DEBUG = false;
	private static void debug(String msg)
	{
	System.err.print("SignerInfo >> ");
	System.err.println(msg);
	}

	/**
	* Parse a SignerInfo object.
	*/
	public SignerInfo(BERReader ber) throws IOException
	{
	DERValue val = ber.read();
	if (DEBUG)
	debug("SignerInfo: " + val);
	if (!val.isConstructed())
	throw new BEREncodingException("malformed SignerInfo");

	val = ber.read();
	if (val.getTag() != BER.INTEGER)
	throw new BEREncodingException("malformed Version");
	version = (BigInteger) val.getValue();

	if (DEBUG)
	debug(" Version: " + version);

	val = ber.read();
	if (!val.isConstructed())
	throw new BEREncodingException("malformed IssuerAndSerialNumber");

	if (DEBUG)
	debug(" IssuerAndSerialNumber: " + val);

	val = ber.read();
	if (!val.isConstructed())
	throw new BEREncodingException("malformed Issuer");
	issuer = new X500Principal(val.getEncoded());
	ber.skip(val.getLength());
	if (DEBUG)
	debug(" Issuer: " + issuer);

	val = ber.read();
	if (val.getTag() != BER.INTEGER)
	throw new BEREncodingException("malformed SerialNumber");
	serialNumber = (BigInteger) val.getValue();
	if (DEBUG)
	debug(" SerialNumber: " + serialNumber);

	val = ber.read();
	if (!val.isConstructed())
	throw new BEREncodingException("malformed DigestAlgorithmIdentifier");
	if (DEBUG)
	debug(" DigestAlgorithmIdentifier: " + val);

	int count = 0;
	DERValue val2 = ber.read();
	if (val2.getTag() != BER.OBJECT_IDENTIFIER)
	throw new BEREncodingException("malformed AlgorithmIdentifier");
	digestAlgorithmId = (OID) val2.getValue();
	if (DEBUG)
	debug(" OID: " + digestAlgorithmId);

	if (BERValue.isIndefinite(val))
	{
	val2 = ber.read();
	if (val2 != BER.END_OF_SEQUENCE)
	{
	digestAlgorithmParams = val2.getEncoded();
	val2 = ber.read();
	if (val2 != BER.END_OF_SEQUENCE)
	throw new BEREncodingException("expecting BER end-of-sequence");
	}
	else
	digestAlgorithmParams = null;
	}
	else if (val2.getEncodedLength() < val.getLength())
	{
	val2 = ber.read();
	digestAlgorithmParams = val2.getEncoded();
	if (val2.isConstructed())
	ber.skip(val2.getLength());
	}
	else
	digestAlgorithmParams = null;
	if(DEBUG)
	debug(" params: " + (digestAlgorithmParams == null ? null
	: new BigInteger(digestAlgorithmParams).toString(16)));

	val = ber.read();
	if (val.getTag() == 0)
	{
	authenticatedAttributes = val.getEncoded();
	val = ber.read();
	if (val.isConstructed())
	ber.skip(val.getLength());
	if (DEBUG)
	debug(" AuthenticatedAttributes: " + val);
	val = ber.read();
	}
	else
	authenticatedAttributes = null;

	if (!val.isConstructed())
	throw new BEREncodingException("malformed DigestEncryptionAlgorithmIdentifier");
	if (DEBUG)
	debug(" DigestEncryptionAlgorithmIdentifier: " + val);
	count = 0;
	val2 = ber.read();
	if (val2.getTag() != BER.OBJECT_IDENTIFIER)
	throw new BEREncodingException("malformed AlgorithmIdentifier");
	digestEncryptionAlgorithmId = (OID) val2.getValue();
	if (DEBUG)
	debug(" OID: " + digestEncryptionAlgorithmId);

	if (BERValue.isIndefinite(val))
	{
	val2 = ber.read();
	if (val2 != BER.END_OF_SEQUENCE)
	{
	digestEncryptionAlgorithmParams = val2.getEncoded();
	val2 = ber.read();
	if (val2 != BER.END_OF_SEQUENCE)
	throw new BEREncodingException("expecting BER end-of-sequence");
	}
	else
	digestEncryptionAlgorithmParams = null;
	}
	else if (val2.getEncodedLength() < val.getLength())
	{
	val2 = ber.read();
	digestEncryptionAlgorithmParams = val2.getEncoded();
	if (val2.isConstructed())
	ber.skip(val2.getLength());
	}
	else
	digestEncryptionAlgorithmParams = null;
	if(DEBUG)
	debug(" params: " + (digestEncryptionAlgorithmParams == null ? null
	: new BigInteger(digestEncryptionAlgorithmParams).toString(16)));

	val = ber.read();
	if (val.getTag() != BER.OCTET_STRING)
	throw new BEREncodingException("malformed EncryptedDigest");
	encryptedDigest = (byte[]) val.getValue();
	if (DEBUG)
	debug(" EncryptedDigest: " + new BigInteger(1, encryptedDigest).toString(16));

	if (ber.peek() == 1)
	unauthenticatedAttributes = ber.read().getEncoded();
	else
	unauthenticatedAttributes = null;

	if (ber.peek() == 0)
	ber.read();
	}

	public BigInteger getVersion()
	{
	return version;
	}

	public BigInteger getSerialNumber()
	{
	return serialNumber;
	}

	public X500Principal getIssuer()
	{
	return issuer;
	}

	public OID getDigestAlgorithmId()
	{
	return digestAlgorithmId;
	}

	public byte[] getDigestAlgorithmParams()
	{
	return (digestAlgorithmParams != null
	? (byte[]) digestAlgorithmParams.clone()
	: null);
	}

	public byte[] getAuthenticatedAttributes()
	{
	return (authenticatedAttributes != null
	? (byte[]) authenticatedAttributes.clone()
	: null);
	}

	public OID getDigestEncryptionAlgorithmId()
	{
	return digestEncryptionAlgorithmId;
	}

	public byte[] getDigestEncryptionAlgorithmParams()
	{
	return (digestEncryptionAlgorithmParams != null
	? (byte[]) digestEncryptionAlgorithmParams.clone()
	: null);
	}

	public byte[] getEncryptedDigest()
	{
	return (encryptedDigest != null ? (byte[]) encryptedDigest.clone() : null);
	}

	public byte[] getUnauthenticatedAttributes()
	{
	return (unauthenticatedAttributes != null
	? (byte[]) unauthenticatedAttributes.clone()
	: null);
	}
	}