use of org.bouncycastle.asn1.DERBitString in project XobotOS by xamarin.
the class X9Curve method toASN1Object.
/**
* Produce an object suitable for an ASN1OutputStream.
* <pre>
* Curve ::= SEQUENCE {
* a FieldElement,
* b FieldElement,
* seed BIT STRING OPTIONAL
* }
* </pre>
*/
public DERObject toASN1Object() {
ASN1EncodableVector v = new ASN1EncodableVector();
if (fieldIdentifier.equals(prime_field)) {
v.add(new X9FieldElement(curve.getA()).getDERObject());
v.add(new X9FieldElement(curve.getB()).getDERObject());
} else if (fieldIdentifier.equals(characteristic_two_field)) {
v.add(new X9FieldElement(curve.getA()).getDERObject());
v.add(new X9FieldElement(curve.getB()).getDERObject());
}
if (seed != null) {
v.add(new DERBitString(seed));
}
return new DERSequence(v);
}
use of org.bouncycastle.asn1.DERBitString in project nhin-d by DirectProject.
the class MessageSigInspector method main.
public static void main(String[] args) {
if (args.length == 0) {
//printUsage();
System.exit(-1);
}
String messgefile = null;
for (int i = 0; i < args.length; i++) {
String arg = args[i];
// Options
if (!arg.startsWith("-")) {
System.err.println("Error: Unexpected argument [" + arg + "]\n");
//printUsage();
System.exit(-1);
} else if (arg.equalsIgnoreCase("-msgFile")) {
if (i == args.length - 1 || args[i + 1].startsWith("-")) {
System.err.println("Error: Missing message file");
System.exit(-1);
}
messgefile = args[++i];
} else if (arg.equals("-help")) {
//printUsage();
System.exit(-1);
} else {
System.err.println("Error: Unknown argument " + arg + "\n");
//printUsage();
System.exit(-1);
}
}
if (messgefile == null) {
System.err.println("Error: missing message file\n");
}
InputStream inStream = null;
try {
inStream = FileUtils.openInputStream(new File(messgefile));
MimeMessage message = new MimeMessage(null, inStream);
MimeMultipart mm = (MimeMultipart) message.getContent();
//byte[] messageBytes = EntitySerializer.Default.serializeToBytes(mm.getBodyPart(0).getContent());
//MimeBodyPart signedContent = null;
//signedContent = new MimeBodyPart(new ByteArrayInputStream(messageBytes));
final CMSSignedData signed = new CMSSignedData(new CMSProcessableBodyPart(mm.getBodyPart(0)), mm.getBodyPart(1).getInputStream());
CertStore certs = signed.getCertificatesAndCRLs("Collection", CryptoExtensions.getJCEProviderName());
SignerInformationStore signers = signed.getSignerInfos();
@SuppressWarnings("unchecked") Collection<SignerInformation> c = signers.getSigners();
System.out.println("Found " + c.size() + " signers");
int cnt = 1;
for (SignerInformation signer : c) {
Collection<? extends Certificate> certCollection = certs.getCertificates(signer.getSID());
if (certCollection != null && certCollection.size() > 0) {
X509Certificate cert = (X509Certificate) certCollection.iterator().next();
System.out.println("\r\nInfo for certificate " + cnt++);
System.out.println("\tSubject " + cert.getSubjectDN());
FileUtils.writeByteArrayToFile(new File("SigCert.der"), cert.getEncoded());
byte[] bytes = cert.getExtensionValue("2.5.29.15");
if (bytes != null) {
final DERObject obj = getObject(bytes);
final KeyUsage keyUsage = new KeyUsage((DERBitString) obj);
final byte[] data = keyUsage.getBytes();
final int intValue = (data.length == 1) ? data[0] & 0xff : (data[1] & 0xff) << 8 | (data[0] & 0xff);
System.out.println("\tKey Usage: " + intValue);
} else
System.out.println("\tKey Usage: NONE");
//verify and get the digests
final Attribute digAttr = signer.getSignedAttributes().get(CMSAttributes.messageDigest);
final DERObject hashObj = digAttr.getAttrValues().getObjectAt(0).getDERObject();
final byte[] signedDigest = ((ASN1OctetString) hashObj).getOctets();
final String signedDigestHex = org.apache.commons.codec.binary.Hex.encodeHexString(signedDigest);
System.out.println("\r\nSigned Message Digest: " + signedDigestHex);
try {
signer.verify(cert, "BC");
System.out.println("Signature verified.");
} catch (CMSException e) {
System.out.println("Signature failed to verify.");
}
// should have the computed digest now
final byte[] digest = signer.getContentDigest();
final String digestHex = org.apache.commons.codec.binary.Hex.encodeHexString(digest);
System.out.println("\r\nComputed Message Digest: " + digestHex);
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
IOUtils.closeQuietly(inStream);
}
}
use of org.bouncycastle.asn1.DERBitString in project nhin-d by DirectProject.
the class KeyUsageExtensionField method injectReferenceValue.
/**
* {@inheritDoc}
*/
@Override
public void injectReferenceValue(X509Certificate value) throws PolicyProcessException {
this.certificate = value;
final DERObject exValue = getExtensionValue(value);
if (exValue == null) {
if (isRequired())
throw new PolicyRequiredException("Extention " + getExtentionIdentifier().getDisplay() + " is marked as required by is not present.");
else {
this.policyValue = PolicyValueFactory.getInstance(0);
return;
}
}
final KeyUsage keyUsage = new KeyUsage((DERBitString) exValue);
final byte[] data = keyUsage.getBytes();
final int intValue = (data.length == 1) ? data[0] & 0xff : (data[1] & 0xff) << 8 | (data[0] & 0xff);
this.policyValue = PolicyValueFactory.getInstance(intValue);
}
use of org.bouncycastle.asn1.DERBitString in project android_frameworks_base by AOSPA.
the class AndroidKeyStoreKeyPairGeneratorSpi method generateSelfSignedCertificateWithFakeSignature.
@SuppressWarnings("deprecation")
private X509Certificate generateSelfSignedCertificateWithFakeSignature(PublicKey publicKey) throws IOException, CertificateParsingException {
V3TBSCertificateGenerator tbsGenerator = new V3TBSCertificateGenerator();
ASN1ObjectIdentifier sigAlgOid;
AlgorithmIdentifier sigAlgId;
byte[] signature;
switch(mKeymasterAlgorithm) {
case KeymasterDefs.KM_ALGORITHM_EC:
sigAlgOid = X9ObjectIdentifiers.ecdsa_with_SHA256;
sigAlgId = new AlgorithmIdentifier(sigAlgOid);
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(new DERInteger(0));
v.add(new DERInteger(0));
signature = new DERSequence().getEncoded();
break;
case KeymasterDefs.KM_ALGORITHM_RSA:
sigAlgOid = PKCSObjectIdentifiers.sha256WithRSAEncryption;
sigAlgId = new AlgorithmIdentifier(sigAlgOid, DERNull.INSTANCE);
signature = new byte[1];
break;
default:
throw new ProviderException("Unsupported key algorithm: " + mKeymasterAlgorithm);
}
try (ASN1InputStream publicKeyInfoIn = new ASN1InputStream(publicKey.getEncoded())) {
tbsGenerator.setSubjectPublicKeyInfo(SubjectPublicKeyInfo.getInstance(publicKeyInfoIn.readObject()));
}
tbsGenerator.setSerialNumber(new ASN1Integer(mSpec.getCertificateSerialNumber()));
X509Principal subject = new X509Principal(mSpec.getCertificateSubject().getEncoded());
tbsGenerator.setSubject(subject);
tbsGenerator.setIssuer(subject);
tbsGenerator.setStartDate(new Time(mSpec.getCertificateNotBefore()));
tbsGenerator.setEndDate(new Time(mSpec.getCertificateNotAfter()));
tbsGenerator.setSignature(sigAlgId);
TBSCertificate tbsCertificate = tbsGenerator.generateTBSCertificate();
ASN1EncodableVector result = new ASN1EncodableVector();
result.add(tbsCertificate);
result.add(sigAlgId);
result.add(new DERBitString(signature));
return new X509CertificateObject(Certificate.getInstance(new DERSequence(result)));
}
use of org.bouncycastle.asn1.DERBitString in project android_frameworks_base by ResurrectionRemix.
the class AndroidKeyStoreKeyPairGeneratorSpi method generateSelfSignedCertificateWithFakeSignature.
@SuppressWarnings("deprecation")
private X509Certificate generateSelfSignedCertificateWithFakeSignature(PublicKey publicKey) throws IOException, CertificateParsingException {
V3TBSCertificateGenerator tbsGenerator = new V3TBSCertificateGenerator();
ASN1ObjectIdentifier sigAlgOid;
AlgorithmIdentifier sigAlgId;
byte[] signature;
switch(mKeymasterAlgorithm) {
case KeymasterDefs.KM_ALGORITHM_EC:
sigAlgOid = X9ObjectIdentifiers.ecdsa_with_SHA256;
sigAlgId = new AlgorithmIdentifier(sigAlgOid);
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(new DERInteger(0));
v.add(new DERInteger(0));
signature = new DERSequence().getEncoded();
break;
case KeymasterDefs.KM_ALGORITHM_RSA:
sigAlgOid = PKCSObjectIdentifiers.sha256WithRSAEncryption;
sigAlgId = new AlgorithmIdentifier(sigAlgOid, DERNull.INSTANCE);
signature = new byte[1];
break;
default:
throw new ProviderException("Unsupported key algorithm: " + mKeymasterAlgorithm);
}
try (ASN1InputStream publicKeyInfoIn = new ASN1InputStream(publicKey.getEncoded())) {
tbsGenerator.setSubjectPublicKeyInfo(SubjectPublicKeyInfo.getInstance(publicKeyInfoIn.readObject()));
}
tbsGenerator.setSerialNumber(new ASN1Integer(mSpec.getCertificateSerialNumber()));
X509Principal subject = new X509Principal(mSpec.getCertificateSubject().getEncoded());
tbsGenerator.setSubject(subject);
tbsGenerator.setIssuer(subject);
tbsGenerator.setStartDate(new Time(mSpec.getCertificateNotBefore()));
tbsGenerator.setEndDate(new Time(mSpec.getCertificateNotAfter()));
tbsGenerator.setSignature(sigAlgId);
TBSCertificate tbsCertificate = tbsGenerator.generateTBSCertificate();
ASN1EncodableVector result = new ASN1EncodableVector();
result.add(tbsCertificate);
result.add(sigAlgId);
result.add(new DERBitString(signature));
return new X509CertificateObject(Certificate.getInstance(new DERSequence(result)));
}
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