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com.bugvm.bouncycastle.cms.CMSUtils Maven / Gradle / Ivy
package com.bugvm.bouncycastle.cms;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.NoSuchProviderException;
import java.security.Provider;
import java.security.Security;
import java.security.cert.CRLException;
import java.security.cert.CertStore;
import java.security.cert.CertStoreException;
import java.security.cert.CertificateEncodingException;
import java.security.cert.X509CRL;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import com.bugvm.bouncycastle.asn1.ASN1Encodable;
import com.bugvm.bouncycastle.asn1.ASN1EncodableVector;
import com.bugvm.bouncycastle.asn1.ASN1InputStream;
import com.bugvm.bouncycastle.asn1.ASN1Primitive;
import com.bugvm.bouncycastle.asn1.ASN1Set;
import com.bugvm.bouncycastle.asn1.BEROctetStringGenerator;
import com.bugvm.bouncycastle.asn1.BERSet;
import com.bugvm.bouncycastle.asn1.DERSet;
import com.bugvm.bouncycastle.asn1.DERTaggedObject;
import com.bugvm.bouncycastle.asn1.cms.ContentInfo;
import com.bugvm.bouncycastle.asn1.cms.IssuerAndSerialNumber;
// BEGIN android-removed
// import com.bugvm.bouncycastle.asn1.cms.OtherRevocationInfoFormat;
// import com.bugvm.bouncycastle.asn1.ocsp.OCSPResponse;
// import com.bugvm.bouncycastle.asn1.ocsp.OCSPResponseStatus;
// END android-removed
import com.bugvm.bouncycastle.asn1.x509.Certificate;
import com.bugvm.bouncycastle.asn1.x509.CertificateList;
import com.bugvm.bouncycastle.asn1.x509.TBSCertificate;
import com.bugvm.bouncycastle.cert.X509AttributeCertificateHolder;
import com.bugvm.bouncycastle.cert.X509CRLHolder;
import com.bugvm.bouncycastle.cert.X509CertificateHolder;
import com.bugvm.bouncycastle.operator.DigestCalculator;
import com.bugvm.bouncycastle.util.Store;
import com.bugvm.bouncycastle.util.io.Streams;
import com.bugvm.bouncycastle.util.io.TeeInputStream;
import com.bugvm.bouncycastle.util.io.TeeOutputStream;
class CMSUtils
{
static ContentInfo readContentInfo(
byte[] input)
throws CMSException
{
// enforce limit checking as from a byte array
return readContentInfo(new ASN1InputStream(input));
}
static ContentInfo readContentInfo(
InputStream input)
throws CMSException
{
// enforce some limit checking
return readContentInfo(new ASN1InputStream(input));
}
static List getCertificatesFromStore(CertStore certStore)
throws CertStoreException, CMSException
{
List certs = new ArrayList();
try
{
for (Iterator it = certStore.getCertificates(null).iterator(); it.hasNext();)
{
X509Certificate c = (X509Certificate)it.next();
certs.add(Certificate.getInstance(ASN1Primitive.fromByteArray(c.getEncoded())));
}
return certs;
}
catch (IllegalArgumentException e)
{
throw new CMSException("error processing certs", e);
}
catch (IOException e)
{
throw new CMSException("error processing certs", e);
}
catch (CertificateEncodingException e)
{
throw new CMSException("error encoding certs", e);
}
}
static List getCertificatesFromStore(Store certStore)
throws CMSException
{
List certs = new ArrayList();
try
{
for (Iterator it = certStore.getMatches(null).iterator(); it.hasNext();)
{
X509CertificateHolder c = (X509CertificateHolder)it.next();
certs.add(c.toASN1Structure());
}
return certs;
}
catch (ClassCastException e)
{
throw new CMSException("error processing certs", e);
}
}
static List getAttributeCertificatesFromStore(Store attrStore)
throws CMSException
{
List certs = new ArrayList();
try
{
for (Iterator it = attrStore.getMatches(null).iterator(); it.hasNext();)
{
X509AttributeCertificateHolder attrCert = (X509AttributeCertificateHolder)it.next();
certs.add(new DERTaggedObject(false, 2, attrCert.toASN1Structure()));
}
return certs;
}
catch (ClassCastException e)
{
throw new CMSException("error processing certs", e);
}
}
static List getCRLsFromStore(CertStore certStore)
throws CertStoreException, CMSException
{
List crls = new ArrayList();
try
{
for (Iterator it = certStore.getCRLs(null).iterator(); it.hasNext();)
{
X509CRL c = (X509CRL)it.next();
crls.add(CertificateList.getInstance(ASN1Primitive.fromByteArray(c.getEncoded())));
}
return crls;
}
catch (IllegalArgumentException e)
{
throw new CMSException("error processing crls", e);
}
catch (IOException e)
{
throw new CMSException("error processing crls", e);
}
catch (CRLException e)
{
throw new CMSException("error encoding crls", e);
}
}
static List getCRLsFromStore(Store crlStore)
throws CMSException
{
List certs = new ArrayList();
try
{
for (Iterator it = crlStore.getMatches(null).iterator(); it.hasNext();)
{
X509CRLHolder c = (X509CRLHolder)it.next();
certs.add(c.toASN1Structure());
}
return certs;
}
catch (ClassCastException e)
{
throw new CMSException("error processing certs", e);
}
}
// BEGIN android-removed
// static Collection getOthersFromStore(ASN1ObjectIdentifier otherRevocationInfoFormat, Store otherRevocationInfos)
// {
// List others = new ArrayList();
//
// for (Iterator it = otherRevocationInfos.getMatches(null).iterator(); it.hasNext();)
// {
// ASN1Encodable info = (ASN1Encodable)it.next();
//
// if (CMSObjectIdentifiers.id_ri_ocsp_response.equals(otherRevocationInfoFormat))
// {
// OCSPResponse resp = OCSPResponse.getInstance(info);
//
// if (resp.getResponseStatus().getValue().intValue() != OCSPResponseStatus.SUCCESSFUL)
// {
// throw new IllegalArgumentException("cannot add unsuccessful OCSP response to CMS SignedData");
// }
// }
//
// others.add(new DERTaggedObject(false, 1, new OtherRevocationInfoFormat(otherRevocationInfoFormat, info)));
// }
//
// return others;
// }
// END android-removed
static ASN1Set createBerSetFromList(List derObjects)
{
ASN1EncodableVector v = new ASN1EncodableVector();
for (Iterator it = derObjects.iterator(); it.hasNext();)
{
v.add((ASN1Encodable)it.next());
}
return new BERSet(v);
}
static ASN1Set createDerSetFromList(List derObjects)
{
ASN1EncodableVector v = new ASN1EncodableVector();
for (Iterator it = derObjects.iterator(); it.hasNext();)
{
v.add((ASN1Encodable)it.next());
}
return new DERSet(v);
}
static OutputStream createBEROctetOutputStream(OutputStream s,
int tagNo, boolean isExplicit, int bufferSize) throws IOException
{
BEROctetStringGenerator octGen = new BEROctetStringGenerator(s, tagNo, isExplicit);
if (bufferSize != 0)
{
return octGen.getOctetOutputStream(new byte[bufferSize]);
}
return octGen.getOctetOutputStream();
}
static TBSCertificate getTBSCertificateStructure(
X509Certificate cert)
{
try
{
return TBSCertificate.getInstance(
ASN1Primitive.fromByteArray(cert.getTBSCertificate()));
}
catch (Exception e)
{
throw new IllegalArgumentException(
"can't extract TBS structure from this cert");
}
}
static IssuerAndSerialNumber getIssuerAndSerialNumber(X509Certificate cert)
{
TBSCertificate tbsCert = getTBSCertificateStructure(cert);
return new IssuerAndSerialNumber(tbsCert.getIssuer(), tbsCert.getSerialNumber().getValue());
}
private static ContentInfo readContentInfo(
ASN1InputStream in)
throws CMSException
{
try
{
return ContentInfo.getInstance(in.readObject());
}
catch (IOException e)
{
throw new CMSException("IOException reading content.", e);
}
catch (ClassCastException e)
{
throw new CMSException("Malformed content.", e);
}
catch (IllegalArgumentException e)
{
throw new CMSException("Malformed content.", e);
}
}
public static byte[] streamToByteArray(
InputStream in)
throws IOException
{
return Streams.readAll(in);
}
public static byte[] streamToByteArray(
InputStream in,
int limit)
throws IOException
{
return Streams.readAllLimited(in, limit);
}
public static Provider getProvider(String providerName)
throws NoSuchProviderException
{
if (providerName != null)
{
Provider prov = Security.getProvider(providerName);
if (prov != null)
{
return prov;
}
throw new NoSuchProviderException("provider " + providerName + " not found.");
}
return null;
}
static InputStream attachDigestsToInputStream(Collection digests, InputStream s)
{
InputStream result = s;
Iterator it = digests.iterator();
while (it.hasNext())
{
DigestCalculator digest = (DigestCalculator)it.next();
result = new TeeInputStream(result, digest.getOutputStream());
}
return result;
}
static OutputStream attachSignersToOutputStream(Collection signers, OutputStream s)
{
OutputStream result = s;
Iterator it = signers.iterator();
while (it.hasNext())
{
SignerInfoGenerator signerGen = (SignerInfoGenerator)it.next();
result = getSafeTeeOutputStream(result, signerGen.getCalculatingOutputStream());
}
return result;
}
static OutputStream getSafeOutputStream(OutputStream s)
{
return s == null ? new NullOutputStream() : s;
}
static OutputStream getSafeTeeOutputStream(OutputStream s1,
OutputStream s2)
{
return s1 == null ? getSafeOutputStream(s2)
: s2 == null ? getSafeOutputStream(s1) : new TeeOutputStream(
s1, s2);
}
}
