private static String csr() {
try {
KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
keyGen.initialize(2048);
KeyPair keyPair = keyGen.generateKeyPair();
X500Principal subject =
new X500Principal(
"CN = edea87b4-034d-48dc-94dd-e7cdcfdde370/10562468, OU = fgdfgretertgdfg, O = VW, L = US");
ContentSigner signer = new JcaContentSignerBuilder("SHA1withRSA").build(keyPair.getPrivate());
PKCS10CertificationRequestBuilder builder =
new JcaPKCS10CertificationRequestBuilder(subject, keyPair.getPublic());
PKCS10CertificationRequest csr = builder.build(signer);
String type = "CERTIFICATE REQUEST";
PemObject pem = new PemObject(type, csr.getEncoded());
StringWriter str = new StringWriter();
PEMWriter pemWriter = new PEMWriter(str);
pemWriter.writeObject(pem);
pemWriter.close();
str.close();
Log.d("Test", "" + str);
return Base64Util.getStringAsBase64(str.toString());
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (OperatorCreationException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return "";
}
@Override
public ContentVerifierProvider getContentVerifierProvider(final PublicKey publicKey)
throws InvalidKeyException {
try {
return KeyUtil.getContentVerifierProvider(publicKey);
} catch (OperatorCreationException e) {
throw new InvalidKeyException(e.getMessage(), e);
}
}
/**
* Generate a certificate signing request (PKCS#10).
*
* @param info A PKCS10CertReqInfo
* @param privateKey Private key for signing the request
* @param signatureProvider Name of provider to sign with
* @param publicKey Public key to include in the request
* @param explicitEccParameters True if the EC domain parameters should be included (ie. not a
* named curve)
* @return the certificate request data
*/
public static ICertReqData genCertificateRequest(
ISignerCertReqInfo info,
final PrivateKey privateKey,
final String signatureProvider,
PublicKey publicKey,
final boolean explicitEccParameters)
throws IllegalArgumentException {
LOG.debug(">genCertificateRequest");
final Base64SignerCertReqData retval;
if (info instanceof PKCS10CertReqInfo) {
PKCS10CertReqInfo reqInfo = (PKCS10CertReqInfo) info;
PKCS10CertificationRequest pkcs10;
if (LOG.isDebugEnabled()) {
LOG.debug("signatureAlgorithm: " + reqInfo.getSignatureAlgorithm());
LOG.debug("subjectDN: " + reqInfo.getSubjectDN());
LOG.debug("explicitEccParameters: " + explicitEccParameters);
}
try {
// Handle ECDSA key with explicit parameters
if (explicitEccParameters && publicKey.getAlgorithm().contains("EC")) {
publicKey = ECKeyUtil.publicToExplicitParameters(publicKey, "BC");
}
if (LOG.isDebugEnabled()) {
LOG.debug("Public key SHA1: " + createKeyHash(publicKey));
LOG.debug("Public key SHA256: " + KeyUsageCounterHash.create(publicKey));
}
// Generate request
final JcaPKCS10CertificationRequestBuilder builder =
new JcaPKCS10CertificationRequestBuilder(
new X500Name(CertTools.stringToBCDNString(reqInfo.getSubjectDN())), publicKey);
final ContentSigner contentSigner =
new JcaContentSignerBuilder(reqInfo.getSignatureAlgorithm())
.setProvider(signatureProvider)
.build(privateKey);
pkcs10 = builder.build(contentSigner);
retval = new Base64SignerCertReqData(Base64.encode(pkcs10.getEncoded()));
} catch (IOException e) {
throw new IllegalArgumentException("Certificate request error: " + e.getMessage(), e);
} catch (OperatorCreationException e) {
throw new IllegalArgumentException("Certificate request error: " + e.getMessage(), e);
} catch (NoSuchAlgorithmException e) {
throw new IllegalArgumentException("Certificate request error: " + e.getMessage(), e);
} catch (NoSuchProviderException e) {
throw new IllegalArgumentException("Certificate request error: " + e.getMessage(), e);
}
LOG.debug("<genCertificateRequest");
return retval;
} else {
throw new IllegalArgumentException(
"Unsupported certificate request info type: " + info.getClass().getName());
}
}
public boolean verify(DigestCalculatorProvider calculatorProvider) throws CMSException {
try {
ContentInfo content = digestedData.getEncapContentInfo();
DigestCalculator calc = calculatorProvider.get(digestedData.getDigestAlgorithm());
OutputStream dOut = calc.getOutputStream();
dOut.write(((ASN1OctetString) content.getContent()).getOctets());
return Arrays.areEqual(digestedData.getDigest(), calc.getDigest());
} catch (OperatorCreationException e) {
throw new CMSException("unable to create digest calculator: " + e.getMessage(), e);
} catch (IOException e) {
throw new CMSException("unable process content: " + e.getMessage(), e);
}
}
private TimestampValidation validateTimestampToken(
final TimeStampToken timeStampToken, final CertificateToken issuerToken) {
TimestampValidity timestampValidity;
try {
final JcaSimpleSignerInfoVerifierBuilder verifierBuilder =
new JcaSimpleSignerInfoVerifierBuilder();
final X509Certificate x509Certificate = issuerToken.getCertificate();
final SignerInformationVerifier verifier = verifierBuilder.build(x509Certificate);
timeStampToken.validate(verifier);
timestampValidity = TimestampValidity.VALID;
} catch (IllegalArgumentException e) {
if (logger.isDebugEnabled()) {
logger.debug("No signing certificate for timestamp token: ", e);
} else {
logger.info("No signing certificate for timestamp token: ", e.getMessage());
}
timestampValidity = TimestampValidity.NO_SIGNING_CERTIFICATE;
} catch (TSPValidationException e) {
if (logger.isDebugEnabled()) {
logger.debug("No valid signature for timestamp token: ", e);
} else {
logger.info("No valid signature for timestamp token: " + e.getMessage());
}
timestampValidity = TimestampValidity.NOT_VALID_SIGNATURE;
} catch (TSPException e) {
if (logger.isDebugEnabled()) {
logger.debug("No valid structure for timestamp token: ", e);
} else {
logger.info("No valid structure for timestamp token: " + e.getMessage());
}
timestampValidity = TimestampValidity.NOT_VALID_STRUCTURE;
} catch (OperatorCreationException e) {
if (logger.isDebugEnabled()) {
logger.debug("No valid structure for timestamp token: ", e);
} else {
logger.info("No valid structure for timestamp token: " + e.getMessage());
}
timestampValidity = TimestampValidity.NOT_VALID_STRUCTURE;
}
final TimestampValidation timestampValidation = new TimestampValidation(timestampValidity);
return timestampValidation;
}
public boolean isVerified(
X509CertificateHolder certHolder, DigestCalculatorProvider digesterProvider)
throws CMPException {
AlgorithmIdentifier digAlg =
digestAlgFinder.find(certHolder.toASN1Structure().getSignatureAlgorithm());
if (digAlg == null) {
throw new CMPException("cannot find algorithm for digest from signature");
}
DigestCalculator digester;
try {
digester = digesterProvider.get(digAlg);
} catch (OperatorCreationException e) {
throw new CMPException("unable to create digester: " + e.getMessage(), e);
}
CMPUtil.derEncodeToStream(certHolder.toASN1Structure(), digester.getOutputStream());
return Arrays.areEqual(certStatus.getCertHash().getOctets(), digester.getDigest());
}
private boolean doVerify(SignerInformationVerifier verifier) throws CMSException {
String digestName = CMSSignedHelper.INSTANCE.getDigestAlgName(this.getDigestAlgOID());
String encName = CMSSignedHelper.INSTANCE.getEncryptionAlgName(this.getEncryptionAlgOID());
String signatureName = digestName + "with" + encName;
try {
if (digestCalculator != null) {
resultDigest = digestCalculator.getDigest();
} else {
DigestCalculator calc = verifier.getDigestCalculator(this.getDigestAlgorithmID());
if (content != null) {
OutputStream digOut = calc.getOutputStream();
content.write(digOut);
digOut.close();
} else if (signedAttributeSet == null) {
// TODO Get rid of this exception and just treat content==null as empty not missing?
throw new CMSException("data not encapsulated in signature - use detached constructor.");
}
resultDigest = calc.getDigest();
}
} catch (IOException e) {
throw new CMSException("can't process mime object to create signature.", e);
} catch (NoSuchAlgorithmException e) {
throw new CMSException("can't find algorithm: " + e.getMessage(), e);
} catch (OperatorCreationException e) {
throw new CMSException("can't create digest calculator: " + e.getMessage(), e);
}
// RFC 3852 11.1 Check the content-type attribute is correct
{
DERObject validContentType =
getSingleValuedSignedAttribute(CMSAttributes.contentType, "content-type");
if (validContentType == null) {
if (!isCounterSignature && signedAttributeSet != null) {
throw new CMSException(
"The content-type attribute type MUST be present whenever signed attributes are present in signed-data");
}
} else {
if (isCounterSignature) {
throw new CMSException(
"[For counter signatures,] the signedAttributes field MUST NOT contain a content-type attribute");
}
if (!(validContentType instanceof DERObjectIdentifier)) {
throw new CMSException(
"content-type attribute value not of ASN.1 type 'OBJECT IDENTIFIER'");
}
DERObjectIdentifier signedContentType = (DERObjectIdentifier) validContentType;
if (!signedContentType.equals(contentType)) {
throw new CMSException("content-type attribute value does not match eContentType");
}
}
}
// RFC 3852 11.2 Check the message-digest attribute is correct
{
DERObject validMessageDigest =
getSingleValuedSignedAttribute(CMSAttributes.messageDigest, "message-digest");
if (validMessageDigest == null) {
if (signedAttributeSet != null) {
throw new CMSException(
"the message-digest signed attribute type MUST be present when there are any signed attributes present");
}
} else {
if (!(validMessageDigest instanceof ASN1OctetString)) {
throw new CMSException("message-digest attribute value not of ASN.1 type 'OCTET STRING'");
}
ASN1OctetString signedMessageDigest = (ASN1OctetString) validMessageDigest;
if (!Arrays.constantTimeAreEqual(resultDigest, signedMessageDigest.getOctets())) {
throw new CMSSignerDigestMismatchException(
"message-digest attribute value does not match calculated value");
}
}
}
// RFC 3852 11.4 Validate countersignature attribute(s)
{
AttributeTable signedAttrTable = this.getSignedAttributes();
if (signedAttrTable != null
&& signedAttrTable.getAll(CMSAttributes.counterSignature).size() > 0) {
throw new CMSException("A countersignature attribute MUST NOT be a signed attribute");
}
AttributeTable unsignedAttrTable = this.getUnsignedAttributes();
if (unsignedAttrTable != null) {
ASN1EncodableVector csAttrs = unsignedAttrTable.getAll(CMSAttributes.counterSignature);
for (int i = 0; i < csAttrs.size(); ++i) {
Attribute csAttr = (Attribute) csAttrs.get(i);
if (csAttr.getAttrValues().size() < 1) {
throw new CMSException(
"A countersignature attribute MUST contain at least one AttributeValue");
}
// Note: We don't recursively validate the countersignature value
}
}
}
try {
ContentVerifier contentVerifier =
verifier.getContentVerifier(sigAlgFinder.find(signatureName));
OutputStream sigOut = contentVerifier.getOutputStream();
if (signedAttributeSet == null) {
if (digestCalculator != null) {
if (contentVerifier instanceof RawContentVerifier) {
RawContentVerifier rawVerifier = (RawContentVerifier) contentVerifier;
if (encName.equals("RSA")) {
DigestInfo digInfo = new DigestInfo(digestAlgorithm, resultDigest);
return rawVerifier.verify(digInfo.getDEREncoded(), this.getSignature());
}
return rawVerifier.verify(resultDigest, this.getSignature());
}
throw new CMSException("verifier unable to process raw signature");
} else if (content != null) {
// TODO Use raw signature of the hash value instead
content.write(sigOut);
}
} else {
sigOut.write(this.getEncodedSignedAttributes());
}
sigOut.close();
return contentVerifier.verify(this.getSignature());
} catch (IOException e) {
throw new CMSException("can't process mime object to create signature.", e);
} catch (OperatorCreationException e) {
throw new CMSException("can't create content verifier: " + e.getMessage(), e);
}
}
