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

Example 31 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

the class X509CertificateObject method verify.

public final void verify(PublicKey key, Provider sigProvider) throws CertificateException, NoSuchAlgorithmException, InvalidKeyException, SignatureException {
    String sigName = X509SignatureUtil.getSignatureName(c.getSignatureAlgorithm());
    Signature signature;
    if (sigProvider != null) {
        signature = Signature.getInstance(sigName, sigProvider);
    } else {
        signature = Signature.getInstance(sigName);
    }
    checkSignature(key, signature);
}

Example 32 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

the class X509V1CertificateGenerator method generate.

/**
 * generate an X509 certificate, based on the current issuer and subject using the default
 * provider and the passed in source of randomness
 * <p>
 * <b>Note:</b> this differs from the deprecated method in that the default provider is
 * used - not "BC".
 * </p>
 */
public X509Certificate generate(PrivateKey key, SecureRandom random) throws CertificateEncodingException, IllegalStateException, NoSuchAlgorithmException, SignatureException, InvalidKeyException {
    TBSCertificate tbsCert = tbsGen.generateTBSCertificate();
    byte[] signature;
    try {
        signature = X509Util.calculateSignature(sigOID, signatureAlgorithm, key, random, tbsCert);
    } catch (IOException e) {
        throw new ExtCertificateEncodingException("exception encoding TBS cert", e);
    }
    return generateJcaObject(tbsCert, signature);
}

Example 33 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

the class X509V1CertificateGenerator method generate.

/**
 * generate an X509 certificate, based on the current issuer and subject, using the passed in
 * provider for the signing, and the passed in source of randomness (if required).
 */
public X509Certificate generate(PrivateKey key, String provider, SecureRandom random) throws CertificateEncodingException, IllegalStateException, NoSuchProviderException, NoSuchAlgorithmException, SignatureException, InvalidKeyException {
    TBSCertificate tbsCert = tbsGen.generateTBSCertificate();
    byte[] signature;
    try {
        signature = X509Util.calculateSignature(sigOID, signatureAlgorithm, provider, key, random, tbsCert);
    } catch (IOException e) {
        throw new ExtCertificateEncodingException("exception encoding TBS cert", e);
    }
    return generateJcaObject(tbsCert, signature);
}

Example 34 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

the class TBSCertList method toASN1Primitive.

public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector(7);
    if (version != null) {
        v.add(version);
    }
    v.add(signature);
    v.add(issuer);
    v.add(thisUpdate);
    if (nextUpdate != null) {
        v.add(nextUpdate);
    }
    // Add CRLEntries if they exist
    if (revokedCertificates != null) {
        v.add(revokedCertificates);
    }
    if (crlExtensions != null) {
        v.add(new DERTaggedObject(0, crlExtensions));
    }
    return new DERSequence(v);
}

Example 35 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

the class V2AttributeCertificateInfoGenerator method generateAttributeCertificateInfo.

public AttributeCertificateInfo generateAttributeCertificateInfo() {
    if ((serialNumber == null) || (signature == null) || (issuer == null) || (startDate == null) || (endDate == null) || (holder == null) || (attributes == null)) {
        throw new IllegalStateException("not all mandatory fields set in V2 AttributeCertificateInfo generator");
    }
    ASN1EncodableVector v = new ASN1EncodableVector(9);
    v.add(version);
    v.add(holder);
    v.add(issuer);
    v.add(signature);
    v.add(serialNumber);
    // 
    // before and after dates => AttCertValidityPeriod
    // 
    AttCertValidityPeriod validity = new AttCertValidityPeriod(startDate, endDate);
    v.add(validity);
    // Attributes
    v.add(new DERSequence(attributes));
    if (issuerUniqueID != null) {
        v.add(issuerUniqueID);
    }
    if (extensions != null) {
        v.add(extensions);
    }
    return AttributeCertificateInfo.getInstance(new DERSequence(v));
}