Examples with ASN1ObjectIdentifier com.github.zhenwei.core.asn1.ASN1ObjectIdentifier used on opensource projects

Example 26 with ASN1ObjectIdentifier

use of com.github.zhenwei.core.asn1.ASN1ObjectIdentifier in project ldapsdk by pingidentity.

the class PKCS10CertificateSigningRequest method verifySignature.

/**
 * Verifies the signature for this certificate signing request.
 *
 * @throws  CertException  If the certificate signing request's signature
 *                         could not be verified.
 */
public void verifySignature() throws CertException {
    // Generate the public key for this certificate signing request.
    final PublicKey publicKey;
    try {
        final byte[] encodedPublicKeyBytes;
        if (publicKeyAlgorithmParameters == null) {
            encodedPublicKeyBytes = new ASN1Sequence(new ASN1Sequence(new ASN1ObjectIdentifier(publicKeyAlgorithmOID)), encodedPublicKey).encode();
        } else {
            encodedPublicKeyBytes = new ASN1Sequence(new ASN1Sequence(new ASN1ObjectIdentifier(publicKeyAlgorithmOID), publicKeyAlgorithmParameters), encodedPublicKey).encode();
        }
        final KeyFactory keyFactory = CryptoHelper.getKeyFactory(getPublicKeyAlgorithmNameOrOID());
        publicKey = keyFactory.generatePublic(new X509EncodedKeySpec(encodedPublicKeyBytes));
    } catch (final Exception e) {
        Debug.debugException(e);
        throw new CertException(ERR_CSR_VERIFY_SIGNATURE_CANNOT_GET_PUBLIC_KEY.get(StaticUtils.getExceptionMessage(e)), e);
    }
    // Get and initialize the signature generator.
    final Signature signature;
    final SignatureAlgorithmIdentifier signatureAlgorithm;
    try {
        signatureAlgorithm = SignatureAlgorithmIdentifier.forOID(signatureAlgorithmOID);
        signature = CryptoHelper.getSignature(signatureAlgorithm.getJavaName());
    } catch (final Exception e) {
        Debug.debugException(e);
        throw new CertException(ERR_CSR_VERIFY_SIGNATURE_CANNOT_GET_SIGNATURE_VERIFIER.get(getSignatureAlgorithmNameOrOID(), StaticUtils.getExceptionMessage(e)), e);
    }
    try {
        signature.initVerify(publicKey);
    } catch (final Exception e) {
        Debug.debugException(e);
        throw new CertException(ERR_CSR_VERIFY_SIGNATURE_CANNOT_INIT_SIGNATURE_VERIFIER.get(signatureAlgorithm.getJavaName(), StaticUtils.getExceptionMessage(e)), e);
    }
    // Construct the requestInfo element of the certificate signing request and
    // compute its signature.
    final boolean signatureIsValid;
    try {
        final ASN1Element[] requestInfoElements = ASN1Sequence.decodeAsSequence(pkcs10CertificateSigningRequestBytes).elements();
        final byte[] requestInfoBytes = requestInfoElements[0].encode();
        signature.update(requestInfoBytes);
        signatureIsValid = signature.verify(signatureValue.getBytes());
    } catch (final Exception e) {
        Debug.debugException(e);
        throw new CertException(ERR_CSR_VERIFY_SIGNATURE_ERROR.get(subjectDN, StaticUtils.getExceptionMessage(e)), e);
    }
    if (!signatureIsValid) {
        throw new CertException(ERR_CSR_VERIFY_SIGNATURE_NOT_VALID.get(subjectDN));
    }
}

Example 27 with ASN1ObjectIdentifier

use of com.github.zhenwei.core.asn1.ASN1ObjectIdentifier in project ldapsdk by pingidentity.

the class PKCS10CertificateSigningRequest method generateSignature.

/**
 * Generates a signature for the certificate signing request with the provided
 * information.
 *
 * @param  signatureAlgorithm            The signature algorithm to use to
 *                                       generate the signature.  This must
 *                                       not be {@code null}.
 * @param  privateKey                    The private key to use to sign the
 *                                       certificate signing request.  This
 *                                       must not be {@code null}.
 * @param  subjectDN                     The subject DN for the certificate
 *                                       signing request.  This must not be
 *                                       {@code null}.
 * @param  publicKeyAlgorithmOID         The OID for the public key algorithm.
 *                                       This must not be {@code null}.
 * @param  publicKeyAlgorithmParameters  The encoded public key algorithm
 *                                       parameters.  This may be
 *                                       {@code null} if no parameters are
 *                                       needed.
 * @param  encodedPublicKey              The encoded representation of the
 *                                       public key.  This must not be
 *                                       {@code null}.
 * @param  extensions                    The set of extensions to include in
 *                                       the certificate signing request.
 *                                       This must not be {@code null} but
 *                                       may be empty.
 *
 * @return  An encoded representation of the generated signature.
 *
 * @throws  CertException  If a problem is encountered while generating the
 *                         certificate.
 */
@NotNull()
private static ASN1BitString generateSignature(@NotNull final SignatureAlgorithmIdentifier signatureAlgorithm, @NotNull final PrivateKey privateKey, @NotNull final DN subjectDN, @NotNull final OID publicKeyAlgorithmOID, @Nullable final ASN1Element publicKeyAlgorithmParameters, @NotNull final ASN1BitString encodedPublicKey, @NotNull final X509CertificateExtension... extensions) throws CertException {
    // Get and initialize the signature generator.
    final Signature signature;
    try {
        signature = CryptoHelper.getSignature(signatureAlgorithm.getJavaName());
    } catch (final Exception e) {
        Debug.debugException(e);
        throw new CertException(ERR_CSR_GEN_SIGNATURE_CANNOT_GET_SIGNATURE_GENERATOR.get(signatureAlgorithm.getJavaName(), StaticUtils.getExceptionMessage(e)), e);
    }
    try {
        signature.initSign(privateKey);
    } catch (final Exception e) {
        Debug.debugException(e);
        throw new CertException(ERR_CSR_GEN_SIGNATURE_CANNOT_INIT_SIGNATURE_GENERATOR.get(signatureAlgorithm.getJavaName(), StaticUtils.getExceptionMessage(e)), e);
    }
    // compute its signature.
    try {
        final ArrayList<ASN1Element> requestInfoElements = new ArrayList<>(4);
        requestInfoElements.add(new ASN1Integer(PKCS10CertificateSigningRequestVersion.V1.getIntValue()));
        requestInfoElements.add(X509Certificate.encodeName(subjectDN));
        if (publicKeyAlgorithmParameters == null) {
            requestInfoElements.add(new ASN1Sequence(new ASN1Sequence(new ASN1ObjectIdentifier(publicKeyAlgorithmOID)), encodedPublicKey));
        } else {
            requestInfoElements.add(new ASN1Sequence(new ASN1Sequence(new ASN1ObjectIdentifier(publicKeyAlgorithmOID), publicKeyAlgorithmParameters), encodedPublicKey));
        }
        final ArrayList<ASN1Element> attrElements = new ArrayList<>(1);
        if ((extensions != null) && (extensions.length > 0)) {
            final ArrayList<ASN1Element> extensionElements = new ArrayList<>(extensions.length);
            for (final X509CertificateExtension e : extensions) {
                extensionElements.add(e.encode());
            }
            attrElements.add(new ASN1Sequence(new ASN1ObjectIdentifier(ATTRIBUTE_OID_EXTENSIONS), new ASN1Set(new ASN1Sequence(extensionElements))));
        }
        requestInfoElements.add(new ASN1Set(TYPE_ATTRIBUTES, attrElements));
        final byte[] certificationRequestInfoBytes = new ASN1Sequence(requestInfoElements).encode();
        signature.update(certificationRequestInfoBytes);
        final byte[] signatureBytes = signature.sign();
        return new ASN1BitString(ASN1BitString.getBitsForBytes(signatureBytes));
    } catch (final Exception e) {
        Debug.debugException(e);
        throw new CertException(ERR_CSR_GEN_SIGNATURE_CANNOT_COMPUTE.get(signatureAlgorithm.getJavaName(), StaticUtils.getExceptionMessage(e)), e);
    }
}

Example 28 with ASN1ObjectIdentifier

use of com.github.zhenwei.core.asn1.ASN1ObjectIdentifier in project ldapsdk by pingidentity.

the class X509Certificate method encodeName.

/**
 * Encodes the provided DN as an X.509 name for inclusion in an encoded
 * certificate.
 *
 * @param  dn  The DN to encode.
 *
 * @return  The encoded X.509 name.
 *
 * @throws  CertException  If a problem is encountered while encoding the
 *                         provided DN as an X.509 name.
 */
@NotNull()
static ASN1Element encodeName(@NotNull final DN dn) throws CertException {
    final Schema schema;
    try {
        schema = Schema.getDefaultStandardSchema();
    } catch (final Exception e) {
        Debug.debugException(e);
        throw new CertException(ERR_CERT_ENCODE_NAME_CANNOT_GET_SCHEMA.get(String.valueOf(dn), StaticUtils.getExceptionMessage(e)), e);
    }
    final RDN[] rdns = dn.getRDNs();
    final ArrayList<ASN1Element> rdnSequenceElements = new ArrayList<>(rdns.length);
    for (int i = rdns.length - 1; i >= 0; i--) {
        final RDN rdn = rdns[i];
        final String[] names = rdn.getAttributeNames();
        final String[] values = rdn.getAttributeValues();
        final ArrayList<ASN1Element> rdnElements = new ArrayList<>(names.length);
        for (int j = 0; j < names.length; j++) {
            final AttributeTypeDefinition at = schema.getAttributeType(names[j]);
            if (at == null) {
                throw new CertException(ERR_CERT_ENCODE_NAME_UNKNOWN_ATTR_TYPE.get(String.valueOf(dn), names[j]));
            }
            try {
                rdnElements.add(new ASN1Sequence(new ASN1ObjectIdentifier(at.getOID()), new ASN1UTF8String(values[j])));
            } catch (final Exception e) {
                Debug.debugException(e);
                throw new CertException(ERR_CERT_ENCODE_NAME_ERROR.get(String.valueOf(dn), StaticUtils.getExceptionMessage(e)), e);
            }
        }
        rdnSequenceElements.add(new ASN1Set(rdnElements));
    }
    return new ASN1Sequence(rdnSequenceElements);
}

Example 29 with ASN1ObjectIdentifier

use of com.github.zhenwei.core.asn1.ASN1ObjectIdentifier in project ldapsdk by pingidentity.

the class X509Certificate method generateSignature.

/**
 * Generates a signature for the certificate with the provided information.
 *
 * @param  signatureAlgorithm            The signature algorithm to use to
 *                                       generate the signature.  This must
 *                                       not be {@code null}.
 * @param  privateKey                    The private key to use to sign the
 *                                       certificate.  This must not be
 *                                       {@code null}.
 * @param  serialNumber                  The serial number for the
 *                                       certificate.  This must not be
 *                                       {@code null}.
 * @param  issuerDN                      The issuer DN for the certificate.
 *                                       This must not be {@code null}.
 * @param  notBefore                     The validity start time for the
 *                                       certificate.
 * @param  notAfter                      The validity end time for the
 *                                       certificate.
 * @param  subjectDN                     The subject DN for the certificate.
 *                                       This must not be {@code null}.
 * @param  publicKeyAlgorithmOID         The OID for the public key algorithm.
 *                                       This must not be {@code null}.
 * @param  publicKeyAlgorithmParameters  The encoded public key algorithm
 *                                       parameters.  This may be
 *                                       {@code null} if no parameters are
 *                                       needed.
 * @param  encodedPublicKey              The encoded representation of the
 *                                       public key.  This must not be
 *                                       {@code null}.
 * @param  extensions                    The set of extensions to include in
 *                                       the certificate.  This must not be
 *                                       {@code null} but may be empty.
 *
 * @return  An encoded representation of the generated signature.
 *
 * @throws  CertException  If a problem is encountered while generating the
 *                         certificate.
 */
@NotNull()
private static ASN1BitString generateSignature(@NotNull final SignatureAlgorithmIdentifier signatureAlgorithm, @NotNull final PrivateKey privateKey, @NotNull final BigInteger serialNumber, @NotNull final DN issuerDN, final long notBefore, final long notAfter, @NotNull final DN subjectDN, @NotNull final OID publicKeyAlgorithmOID, @Nullable final ASN1Element publicKeyAlgorithmParameters, @NotNull final ASN1BitString encodedPublicKey, @NotNull final X509CertificateExtension... extensions) throws CertException {
    // Get and initialize the signature generator.
    final Signature signature;
    try {
        signature = CryptoHelper.getSignature(signatureAlgorithm.getJavaName());
    } catch (final Exception e) {
        Debug.debugException(e);
        throw new CertException(ERR_CERT_GEN_SIGNATURE_CANNOT_GET_SIGNATURE_GENERATOR.get(signatureAlgorithm.getJavaName(), StaticUtils.getExceptionMessage(e)), e);
    }
    try {
        signature.initSign(privateKey);
    } catch (final Exception e) {
        Debug.debugException(e);
        throw new CertException(ERR_CERT_GEN_SIGNATURE_CANNOT_INIT_SIGNATURE_GENERATOR.get(signatureAlgorithm.getJavaName(), StaticUtils.getExceptionMessage(e)), e);
    }
    // signature.
    try {
        final ArrayList<ASN1Element> tbsCertificateElements = new ArrayList<>(8);
        tbsCertificateElements.add(new ASN1Element(TYPE_EXPLICIT_VERSION, new ASN1Integer(X509CertificateVersion.V3.getIntValue()).encode()));
        tbsCertificateElements.add(new ASN1BigInteger(serialNumber));
        tbsCertificateElements.add(new ASN1Sequence(new ASN1ObjectIdentifier(signatureAlgorithm.getOID())));
        tbsCertificateElements.add(encodeName(issuerDN));
        tbsCertificateElements.add(encodeValiditySequence(notBefore, notAfter));
        tbsCertificateElements.add(encodeName(subjectDN));
        if (publicKeyAlgorithmParameters == null) {
            tbsCertificateElements.add(new ASN1Sequence(new ASN1Sequence(new ASN1ObjectIdentifier(publicKeyAlgorithmOID)), encodedPublicKey));
        } else {
            tbsCertificateElements.add(new ASN1Sequence(new ASN1Sequence(new ASN1ObjectIdentifier(publicKeyAlgorithmOID), publicKeyAlgorithmParameters), encodedPublicKey));
        }
        final ArrayList<ASN1Element> extensionElements = new ArrayList<>(extensions.length);
        for (final X509CertificateExtension e : extensions) {
            extensionElements.add(e.encode());
        }
        tbsCertificateElements.add(new ASN1Element(TYPE_EXPLICIT_EXTENSIONS, new ASN1Sequence(extensionElements).encode()));
        final byte[] tbsCertificateBytes = new ASN1Sequence(tbsCertificateElements).encode();
        signature.update(tbsCertificateBytes);
        final byte[] signatureBytes = signature.sign();
        return new ASN1BitString(ASN1BitString.getBitsForBytes(signatureBytes));
    } catch (final Exception e) {
        Debug.debugException(e);
        throw new CertException(ERR_CERT_GEN_SIGNATURE_CANNOT_COMPUTE.get(signatureAlgorithm.getJavaName(), StaticUtils.getExceptionMessage(e)), e);
    }
}

Example 30 with ASN1ObjectIdentifier

use of com.github.zhenwei.core.asn1.ASN1ObjectIdentifier in project ldapsdk by pingidentity.

the class X509CertificateExtension method encode.

/**
 * Encodes this extension to an ASN.1 element suitable for inclusion in an
 * encoded X.509 certificate.
 *
 * @return  The encoded representation of this extension.
 *
 * @throws  CertException  If a problem is encountered while encoding the
 *                         extension.
 */
@NotNull()
ASN1Sequence encode() throws CertException {
    try {
        final ArrayList<ASN1Element> elements = new ArrayList<>(3);
        elements.add(new ASN1ObjectIdentifier(oid));
        if (isCritical) {
            elements.add(ASN1Boolean.UNIVERSAL_BOOLEAN_TRUE_ELEMENT);
        }
        elements.add(new ASN1OctetString(value));
        return new ASN1Sequence(elements);
    } catch (final Exception e) {
        Debug.debugException(e);
        throw new CertException(ERR_EXTENSION_ENCODE_ERROR.get(toString(), StaticUtils.getExceptionMessage(e)), e);
    }
}