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Diffstat (limited to 'libjava/classpath/gnu/java/security/pkcs/PKCS7SignedData.java')
| -rw-r--r-- | libjava/classpath/gnu/java/security/pkcs/PKCS7SignedData.java | 486 |
1 files changed, 0 insertions, 486 deletions
diff --git a/libjava/classpath/gnu/java/security/pkcs/PKCS7SignedData.java b/libjava/classpath/gnu/java/security/pkcs/PKCS7SignedData.java deleted file mode 100644 index e479d2e8caf..00000000000 --- a/libjava/classpath/gnu/java/security/pkcs/PKCS7SignedData.java +++ /dev/null @@ -1,486 +0,0 @@ -/* PKCS7SignedData.java -- reader/writer for PKCS#7 signedData objects - Copyright (C) 2004, 2005, 2006, 2010 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.Configuration; -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.DER; -import gnu.java.security.der.DERValue; -import gnu.java.security.der.DERWriter; -import gnu.java.security.util.Util; - -import java.io.ByteArrayInputStream; -import java.io.ByteArrayOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStream; -import java.math.BigInteger; -import java.security.cert.CRL; -import java.security.cert.CRLException; -import java.security.cert.Certificate; -import java.security.cert.CertificateEncodingException; -import java.security.cert.CertificateException; -import java.security.cert.CertificateFactory; -import java.security.cert.X509CRL; -import java.util.ArrayList; -import java.util.Collections; -import java.util.HashSet; -import java.util.Iterator; -import java.util.LinkedList; -import java.util.List; -import java.util.Set; -import java.util.logging.Logger; - -/** - * The SignedData object in PKCS #7. This is a read-only implementation of - * this format, and is used to provide signed Jar file support. - * - * @author Casey Marshall (csm@gnu.org) - */ -public class PKCS7SignedData -{ - private static final Logger log = Configuration.DEBUG ? - Logger.getLogger(PKCS7SignedData.class.getName()) : null; - - public static final OID PKCS7_SIGNED_DATA = new OID("1.2.840.113549.1.7.2"); - - private BigInteger version; - private Set digestAlgorithms; - private OID contentType; - private byte[] content; - private Certificate[] certificates; - private CRL[] crls; - private Set signerInfos; - - public PKCS7SignedData(InputStream in) - throws CRLException, CertificateException, IOException - { - this(new BERReader(in)); - } - - /** - * Parse an encoded PKCS#7 SignedData object. The ASN.1 format of this - * object is: - * - * <pre> - * SignedData ::= SEQUENCE { - * version Version, -- always 1 for PKCS7 v1.5 - * digestAlgorithms DigestAlgorithmIdentifiers, - * contentInfo ContentInfo, - * certificates [0] IMPLICIT ExtendedCertificatesAndCertificates OPTIONAL, - * crls [1] IMPLICIT CertificateRevocationLists OPTIONAL, - * signerInfos SignerInfos } - * - * Version ::= INTEGER - * - * DigestAlgorithmIdentifiers ::= SET OF DigestAlgorithmIdentifier - * - * DigestAlgorithmIdentifier ::= AlgorithmIdentifier - * - * ContentInfo ::= SEQUENCE { - * contentType ContentType, - * content [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL } - * - * ContentType ::= OBJECT IDENTIFIER - * - * ExtendedCertificatesAndCertificates ::= - * SET OF ExtendedCertificatesAndCertificate - * - * ExtendedCertificatesAndCertificate ::= CHOICE { - * certificate Certificate, -- from X.509 - * extendedCertificate [0] IMPLICIT ExtendedCertificate } - * - * CertificateRevocationLists ::= SET OF CertificateRevocationList - * -- from X.509 - * - * SignerInfos ::= SET OF SignerInfo - * - * SignerInfo ::= SEQUENCE { - * version Version, -- always 1 for PKCS7 v1.5 - * issuerAndSerialNumber IssuerAndSerialNumber, - * digestAlgorithm DigestAlgorithmIdentifier, - * authenticatedAttributes [0] IMPLICIT Attributes OPTIONAL, - * digestEncryptionAlgorithm DigestEncryptionAlgorithmIdentifier, - * encryptedDigest EncryptedDigest, - * unauthenticatedAttributes [1] IMPLICIT Attributes OPTIONAL } - * - * EncryptedDigest ::= OCTET STRING - * </pre> - * - * <p>(Readers who are confused as to why it takes 40 levels of indirection - * to specify "data with a signature", rest assured that the present author - * is as confused as you are).</p> - */ - public PKCS7SignedData(BERReader ber) - throws CRLException, CertificateException, IOException - { - CertificateFactory x509 = CertificateFactory.getInstance("X509"); - DERValue val = ber.read(); - if (!val.isConstructed()) - throw new BEREncodingException("malformed ContentInfo"); - - val = ber.read(); - if (val.getTag() != BER.OBJECT_IDENTIFIER) - throw new BEREncodingException("malformed ContentType"); - - if (!PKCS7_SIGNED_DATA.equals(val.getValue())) - throw new BEREncodingException("content is not SignedData"); - - val = ber.read(); - if (val.getTag() != 0) - throw new BEREncodingException("malformed Content"); - - val = ber.read(); - if (!val.isConstructed()) - throw new BEREncodingException("malformed SignedData"); - - if (Configuration.DEBUG) - log.fine("SignedData: " + val); - - val = ber.read(); - if (val.getTag() != BER.INTEGER) - throw new BEREncodingException("expecting Version"); - version = (BigInteger) val.getValue(); - if (Configuration.DEBUG) - log.fine(" Version: " + version); - - digestAlgorithms = new HashSet(); - val = ber.read(); - if (!val.isConstructed()) - throw new BEREncodingException("malformed DigestAlgorithmIdentifiers"); - if (Configuration.DEBUG) - log.fine(" DigestAlgorithmIdentifiers: " + val); - int count = 0; - DERValue val2 = ber.read(); - while (val2 != BER.END_OF_SEQUENCE && - (val.getLength() > 0 && val.getLength() > count)) - { - if (!val2.isConstructed()) - throw new BEREncodingException("malformed AlgorithmIdentifier"); - if (Configuration.DEBUG) - log.fine(" AlgorithmIdentifier: " + val2); - count += val2.getEncodedLength(); - val2 = ber.read(); - if (val2.getTag() != BER.OBJECT_IDENTIFIER) - throw new BEREncodingException("malformed AlgorithmIdentifier"); - if (Configuration.DEBUG) - log.fine(" digestAlgorithmIdentifiers OID: " + val2.getValue()); - List algId = new ArrayList(2); - algId.add(val2.getValue()); - val2 = ber.read(); - if (val2 != BER.END_OF_SEQUENCE) - { - count += val2.getEncodedLength(); - if (val2.getTag() == BER.NULL) - algId.add(null); - else - algId.add(val2.getEncoded()); - - if (val2.isConstructed()) - ber.skip(val2.getLength()); - - if (BERValue.isIndefinite(val)) - val2 = ber.read(); - } - else - algId.add(null); - - if (Configuration.DEBUG) - { - log.fine(" digestAlgorithmIdentifiers params: "); - log.fine(Util.dumpString((byte[]) algId.get(1), - " digestAlgorithmIdentifiers params: ")); - } - digestAlgorithms.add(algId); - } - - val = ber.read(); - if (!val.isConstructed()) - throw new BEREncodingException("malformed ContentInfo"); - if (Configuration.DEBUG) - log.fine(" ContentInfo: " + val); - val2 = ber.read(); - if (val2.getTag() != BER.OBJECT_IDENTIFIER) - throw new BEREncodingException("malformed ContentType"); - - contentType = (OID) val2.getValue(); - if (Configuration.DEBUG) - log.fine(" ContentType OID: " + contentType); - if (BERValue.isIndefinite(val) - || (val.getLength() > 0 && val.getLength() > val2.getEncodedLength())) - { - val2 = ber.read(); - if (val2 != BER.END_OF_SEQUENCE) - { - content = val2.getEncoded(); - if (BERValue.isIndefinite(val)) - val2 = ber.read(); - } - } - if (Configuration.DEBUG) - { - log.fine(" Content: "); - log.fine(Util.dumpString(content, " Content: ")); - } - val = ber.read(); - if (val.getTag() == 0) - { - if (!val.isConstructed()) - throw new BEREncodingException("malformed ExtendedCertificatesAndCertificates"); - if (Configuration.DEBUG) - log.fine(" ExtendedCertificatesAndCertificates: " + val); - count = 0; - val2 = ber.read(); - List certs = new LinkedList(); - while (val2 != BER.END_OF_SEQUENCE && - (val.getLength() > 0 && val.getLength() > count)) - { - Certificate cert = - x509.generateCertificate(new ByteArrayInputStream(val2.getEncoded())); - if (Configuration.DEBUG) - log.fine(" Certificate: " + cert); - certs.add(cert); - count += val2.getEncodedLength(); - ber.skip(val2.getLength()); - if (BERValue.isIndefinite(val) || val.getLength() > count) - val2 = ber.read(); - } - certificates = (Certificate[]) certs.toArray(new Certificate[certs.size()]); - val = ber.read(); - } - - if (val.getTag() == 1) - { - if (!val.isConstructed()) - throw new BEREncodingException("malformed CertificateRevocationLists"); - if (Configuration.DEBUG) - log.fine(" CertificateRevocationLists: " + val); - count = 0; - val2 = ber.read(); - List crls = new LinkedList(); - while (val2 != BER.END_OF_SEQUENCE && - (val.getLength() > 0 && val.getLength() > count)) - { - CRL crl = x509.generateCRL(new ByteArrayInputStream(val2.getEncoded())); - if (Configuration.DEBUG) - log.fine(" CRL: " + crl); - crls.add(crl); - count += val2.getEncodedLength(); - ber.skip(val2.getLength()); - if (BERValue.isIndefinite(val) || val.getLength() > count) - val2 = ber.read(); - } - this.crls = (CRL[]) crls.toArray(new CRL[crls.size()]); - val = ber.read(); - } - - signerInfos = new HashSet(); - if (!val.isConstructed()) - throw new BEREncodingException("malformed SignerInfos"); - if (Configuration.DEBUG) - log.fine(" SignerInfos: " + val); - - // FIXME read this more carefully. - // Since we are just reading a file (probably) we just read until we - // reach the end. - while (true) - { - int i = ber.peek(); - if (i == 0 || i == -1) - break; - signerInfos.add(new SignerInfo(ber)); - } - } - - /** - * Constructs a new instance of <code>PKCS7SignedData</code> given a - * designated set of fields. - * - * @param digestAlgorithms the collection of DigestAlgorithm elements. Each - * DigestAlgorithm is a {@link List} of two elements, the first is an - * OID while the second is dependent on the value of the OID element. - * @param data an instance of a PKCS#7 (non-signed) data. In its simplest form - * such an ASN.1 structure would consist of just the OID of a - * non-signed PKCS#7 Data. - * @param certificates the array of Certificates used to authenticate the - * enclosed (or referenced, in case the content is null) data. - * @param crls the array of certificate-revocation lists of the used - * certificates. - * @param signerInfos a set of {@link SignerInfo} elements, one per signer of - * the data referenced by this <code>PKCS7SignedData</code> - * instance. - */ - public PKCS7SignedData(Set digestAlgorithms, PKCS7Data data, - Certificate[] certificates, X509CRL[] crls, - Set signerInfos) - { - super(); - - this.version = BigInteger.ONE; - this.digestAlgorithms = digestAlgorithms; - this.contentType = PKCS7_SIGNED_DATA; - this.content = data == null ? null : data.getEncoded(); - this.certificates = certificates; - this.crls = crls; - this.signerInfos = signerInfos; - } - - public BigInteger getVersion() - { - return version; - } - - public Certificate[] getCertificates() - { - return (certificates != null ? (Certificate[]) certificates.clone() - : null); - } - - public OID getContentType() - { - return contentType; - } - - public byte[] getContent() - { - return (content != null ? (byte[]) content.clone() : null); - } - - public Set getDigestAlgorithms() - { - // FIXME copy contents too, they are mutable!!! - return Collections.unmodifiableSet(digestAlgorithms); - } - - public Set getSignerInfos() - { - Set copy = new HashSet(); - for (Iterator it = signerInfos.iterator(); it.hasNext(); ) - copy.add(it.next()); - return Collections.unmodifiableSet(copy); - } - - /** - * Writes to the designated output stream the DER encoding of the current - * contents of this instance. - * - * @param out the destination output stream. - * @throws IOException if an I/O related exception occurs during the process. - * @throws CRLException if an exception occurs while encoding the certificate - * revocation lists associated with this instance. - * @throws CertificateEncodingException if an exception occurs while encoding - * the certificate chains associated with this instance. - */ - public void encode(OutputStream out) throws IOException, CRLException, - CertificateEncodingException - { - DERValue derVersion = new DERValue(DER.INTEGER, version); - - DERValue derDigestAlgorithms = new DERValue(DER.CONSTRUCTED | DER.SET, - digestAlgorithms); - - DERValue derContentType = new DERValue(DER.OBJECT_IDENTIFIER, - PKCS7Data.PKCS7_DATA); - ArrayList contentInfo = new ArrayList(2); - contentInfo.add(derContentType); - if (content == null) - contentInfo.add(new DERValue(DER.NULL, null)); - else - contentInfo.add(content); - - DERValue derContentInfo = new DERValue(DER.CONSTRUCTED | DER.SEQUENCE, - contentInfo); - - ByteArrayOutputStream baos = new ByteArrayOutputStream(4096); - for (int i = 0; i < certificates.length; i++) - baos.write(certificates[i].getEncoded()); - - baos.flush(); - byte[] b = baos.toByteArray(); - DERValue derExtendedCertificatesAndCertificates = - new DERValue(DER.CONSTRUCTED | DER.CONTEXT | 0, b.length, b, null); - - DERValue derCertificateRevocationLists = null; - if (crls != null && crls.length > 0) - { - baos.reset(); - for (int i = 0; i < crls.length; i++) - baos.write(((X509CRL) crls[i]).getEncoded()); - - baos.flush(); - byte[] b2 = baos.toByteArray(); - derCertificateRevocationLists = - new DERValue(DER.CONSTRUCTED | DER.CONTEXT | 1, b2.length, b2, null); - } - - baos.reset(); - for (Iterator it = signerInfos.iterator(); it.hasNext();) - { - SignerInfo signerInfo = (SignerInfo) it.next(); - signerInfo.encode(baos); - } - baos.flush(); - byte[] b3 = baos.toByteArray(); - DERValue derSignerInfos = new DERValue(DER.CONSTRUCTED | DER.SET, - b3.length, b3, null); - - ArrayList signedData = new ArrayList(6); - signedData.add(derVersion); - signedData.add(derDigestAlgorithms); - signedData.add(derContentInfo); - signedData.add(derExtendedCertificatesAndCertificates); - if (derCertificateRevocationLists != null) - signedData.add(derCertificateRevocationLists); - - signedData.add(derSignerInfos); - DERValue derSignedData = new DERValue(DER.CONSTRUCTED | DER.SEQUENCE, - signedData); - // now the outer contents - ArrayList outer = new ArrayList(3); - outer.add(new DERValue(DER.OBJECT_IDENTIFIER, PKCS7_SIGNED_DATA)); - outer.add(new DERValue(DER.CONTEXT | 0, null)); - outer.add(derSignedData); - DERValue derOuter = new DERValue(DER.CONSTRUCTED | DER.SEQUENCE, outer); - - DERWriter.write(out, derOuter); - } -} |