diff options
Diffstat (limited to 'libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/CMSAuthenticatedDataStreamGenerator.java')
| -rw-r--r-- | libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/CMSAuthenticatedDataStreamGenerator.java | 310 |
1 files changed, 0 insertions, 310 deletions
diff --git a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/CMSAuthenticatedDataStreamGenerator.java b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/CMSAuthenticatedDataStreamGenerator.java deleted file mode 100644 index 739b0b1d5..000000000 --- a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/CMSAuthenticatedDataStreamGenerator.java +++ /dev/null @@ -1,310 +0,0 @@ -package org.spongycastle.cms; - -import java.io.IOException; -import java.io.OutputStream; -import java.util.Collections; -import java.util.HashMap; -import java.util.Iterator; -import java.util.Map; - -import org.spongycastle.asn1.ASN1EncodableVector; -import org.spongycastle.asn1.ASN1Encoding; -import org.spongycastle.asn1.ASN1ObjectIdentifier; -import org.spongycastle.asn1.ASN1Set; -import org.spongycastle.asn1.BERSequenceGenerator; -import org.spongycastle.asn1.BERSet; -import org.spongycastle.asn1.DERInteger; -import org.spongycastle.asn1.DEROctetString; -import org.spongycastle.asn1.DERSet; -import org.spongycastle.asn1.DERTaggedObject; -import org.spongycastle.asn1.cms.AuthenticatedData; -import org.spongycastle.asn1.cms.CMSObjectIdentifiers; -import org.spongycastle.asn1.x509.AlgorithmIdentifier; -import org.spongycastle.operator.DigestCalculator; -import org.spongycastle.operator.MacCalculator; -import org.spongycastle.util.io.TeeOutputStream; - -/** - * General class for generating a CMS authenticated-data message stream. - * <p> - * A simple example of usage. - * <pre> - * CMSAuthenticatedDataStreamGenerator edGen = new CMSAuthenticatedDataStreamGenerator(); - * - * edGen.addRecipientInfoGenerator(new JceKeyTransRecipientInfoGenerator(cert).setProvider("SC")); - * - * ByteArrayOutputStream bOut = new ByteArrayOutputStream(); - * - * OutputStream out = edGen.open( - * bOut, new JceCMSMacCalculatorBuilder(CMSAlgorithm.DES_EDE3_CBC).setProvider("SC").build());* - * out.write(data); - * - * out.close(); - * </pre> - */ -public class CMSAuthenticatedDataStreamGenerator - extends CMSAuthenticatedGenerator -{ - // Currently not handled -// private Object _originatorInfo = null; -// private Object _unprotectedAttributes = null; - private int bufferSize; - private boolean berEncodeRecipientSet; - private MacCalculator macCalculator; - - /** - * base constructor - */ - public CMSAuthenticatedDataStreamGenerator() - { - } - - /** - * Set the underlying string size for encapsulated data - * - * @param bufferSize length of octet strings to buffer the data. - */ - public void setBufferSize( - int bufferSize) - { - this.bufferSize = bufferSize; - } - - /** - * Use a BER Set to store the recipient information. By default recipients are - * stored in a DER encoding. - * - * @param useBerEncodingForRecipients true if a BER set should be used, false if DER. - */ - public void setBEREncodeRecipients( - boolean useBerEncodingForRecipients) - { - berEncodeRecipientSet = useBerEncodingForRecipients; - } - - /** - * generate an authenticated data structure with the encapsulated bytes marked as DATA. - * - * @param out the stream to store the authenticated structure in. - * @param macCalculator calculator for the MAC to be attached to the data. - */ - public OutputStream open( - OutputStream out, - MacCalculator macCalculator) - throws CMSException - { - return open(CMSObjectIdentifiers.data, out, macCalculator); - } - - public OutputStream open( - OutputStream out, - MacCalculator macCalculator, - DigestCalculator digestCalculator) - throws CMSException - { - return open(CMSObjectIdentifiers.data, out, macCalculator, digestCalculator); - } - - /** - * generate an authenticated data structure with the encapsulated bytes marked as type dataType. - * - * @param dataType the type of the data been written to the object. - * @param out the stream to store the authenticated structure in. - * @param macCalculator calculator for the MAC to be attached to the data. - */ - public OutputStream open( - ASN1ObjectIdentifier dataType, - OutputStream out, - MacCalculator macCalculator) - throws CMSException - { - return open(dataType, out, macCalculator, null); - } - - /** - * generate an authenticated data structure with the encapsulated bytes marked as type dataType. - * - * @param dataType the type of the data been written to the object. - * @param out the stream to store the authenticated structure in. - * @param macCalculator calculator for the MAC to be attached to the data. - * @param digestCalculator calculator for computing digest of the encapsulated data. - */ - public OutputStream open( - ASN1ObjectIdentifier dataType, - OutputStream out, - MacCalculator macCalculator, - DigestCalculator digestCalculator) - throws CMSException - { - this.macCalculator = macCalculator; - - try - { - ASN1EncodableVector recipientInfos = new ASN1EncodableVector(); - - for (Iterator it = recipientInfoGenerators.iterator(); it.hasNext();) - { - RecipientInfoGenerator recipient = (RecipientInfoGenerator)it.next(); - - recipientInfos.add(recipient.generate(macCalculator.getKey())); - } - - // - // ContentInfo - // - BERSequenceGenerator cGen = new BERSequenceGenerator(out); - - cGen.addObject(CMSObjectIdentifiers.authenticatedData); - - // - // Authenticated Data - // - BERSequenceGenerator authGen = new BERSequenceGenerator(cGen.getRawOutputStream(), 0, true); - - authGen.addObject(new DERInteger(AuthenticatedData.calculateVersion(originatorInfo))); - - if (originatorInfo != null) - { - authGen.addObject(new DERTaggedObject(false, 0, originatorInfo)); - } - - if (berEncodeRecipientSet) - { - authGen.getRawOutputStream().write(new BERSet(recipientInfos).getEncoded()); - } - else - { - authGen.getRawOutputStream().write(new DERSet(recipientInfos).getEncoded()); - } - - AlgorithmIdentifier macAlgId = macCalculator.getAlgorithmIdentifier(); - - authGen.getRawOutputStream().write(macAlgId.getEncoded()); - - if (digestCalculator != null) - { - authGen.addObject(new DERTaggedObject(false, 1, digestCalculator.getAlgorithmIdentifier())); - } - - BERSequenceGenerator eiGen = new BERSequenceGenerator(authGen.getRawOutputStream()); - - eiGen.addObject(dataType); - - OutputStream octetStream = CMSUtils.createBEROctetOutputStream( - eiGen.getRawOutputStream(), 0, false, bufferSize); - - OutputStream mOut; - - if (digestCalculator != null) - { - mOut = new TeeOutputStream(octetStream, digestCalculator.getOutputStream()); - } - else - { - mOut = new TeeOutputStream(octetStream, macCalculator.getOutputStream()); - } - - return new CmsAuthenticatedDataOutputStream(macCalculator, digestCalculator, dataType, mOut, cGen, authGen, eiGen); - } - catch (IOException e) - { - throw new CMSException("exception decoding algorithm parameters.", e); - } - } - - private class CmsAuthenticatedDataOutputStream - extends OutputStream - { - private OutputStream dataStream; - private BERSequenceGenerator cGen; - private BERSequenceGenerator envGen; - private BERSequenceGenerator eiGen; - private MacCalculator macCalculator; - private DigestCalculator digestCalculator; - private ASN1ObjectIdentifier contentType; - - public CmsAuthenticatedDataOutputStream( - MacCalculator macCalculator, - DigestCalculator digestCalculator, - ASN1ObjectIdentifier contentType, - OutputStream dataStream, - BERSequenceGenerator cGen, - BERSequenceGenerator envGen, - BERSequenceGenerator eiGen) - { - this.macCalculator = macCalculator; - this.digestCalculator = digestCalculator; - this.contentType = contentType; - this.dataStream = dataStream; - this.cGen = cGen; - this.envGen = envGen; - this.eiGen = eiGen; - } - - public void write( - int b) - throws IOException - { - dataStream.write(b); - } - - public void write( - byte[] bytes, - int off, - int len) - throws IOException - { - dataStream.write(bytes, off, len); - } - - public void write( - byte[] bytes) - throws IOException - { - dataStream.write(bytes); - } - - public void close() - throws IOException - { - dataStream.close(); - eiGen.close(); - - Map parameters; - - if (digestCalculator != null) - { - parameters = Collections.unmodifiableMap(getBaseParameters(contentType, digestCalculator.getAlgorithmIdentifier(), digestCalculator.getDigest())); - - if (authGen == null) - { - authGen = new DefaultAuthenticatedAttributeTableGenerator(); - } - - ASN1Set authed = new DERSet(authGen.getAttributes(parameters).toASN1EncodableVector()); - - OutputStream mOut = macCalculator.getOutputStream(); - - mOut.write(authed.getEncoded(ASN1Encoding.DER)); - - mOut.close(); - - envGen.addObject(new DERTaggedObject(false, 2, authed)); - } - else - { - parameters = Collections.unmodifiableMap(new HashMap()); - } - - envGen.addObject(new DEROctetString(macCalculator.getMac())); - - if (unauthGen != null) - { - envGen.addObject(new DERTaggedObject(false, 3, new BERSet(unauthGen.getAttributes(parameters).toASN1EncodableVector()))); - } - - envGen.close(); - cGen.close(); - } - } -}
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