Examples with SubjectPublicKeyInfo org.spongycastle.asn1.x509.SubjectPublicKeyInfo used on opensource projects

Example 76 with SubjectPublicKeyInfo

use of org.spongycastle.asn1.x509.SubjectPublicKeyInfo in project xipki by xipki.

the class CaClientExample method generateDsaKeypair.

protected static MyKeypair generateDsaKeypair() throws Exception {
    // plen: 2048, qlen: 256
    DSAParameterSpec spec = new DSAParameterSpec(P2048_Q256_P, P2048_Q256_Q, P2048_Q256_G);
    KeyPairGenerator kpGen = KeyPairGenerator.getInstance("DSA");
    kpGen.initialize(spec);
    KeyPair kp = kpGen.generateKeyPair();
    DSAPublicKey dsaPubKey = (DSAPublicKey) kp.getPublic();
    ASN1EncodableVector vec = new ASN1EncodableVector();
    vec.add(new ASN1Integer(dsaPubKey.getParams().getP()));
    vec.add(new ASN1Integer(dsaPubKey.getParams().getQ()));
    vec.add(new ASN1Integer(dsaPubKey.getParams().getG()));
    ASN1Sequence dssParams = new DERSequence(vec);
    SubjectPublicKeyInfo subjectPublicKeyInfo = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa, dssParams), new ASN1Integer(dsaPubKey.getY()));
    return new MyKeypair(kp.getPrivate(), subjectPublicKeyInfo);
}

Example 77 with SubjectPublicKeyInfo

use of org.spongycastle.asn1.x509.SubjectPublicKeyInfo in project xipki by xipki.

the class KeyUtil method createSubjectPublicKeyInfo.

public static SubjectPublicKeyInfo createSubjectPublicKeyInfo(PublicKey publicKey) throws InvalidKeyException {
    ParamUtil.requireNonNull("publicKey", publicKey);
    if (publicKey instanceof DSAPublicKey) {
        DSAPublicKey dsaPubKey = (DSAPublicKey) publicKey;
        ASN1EncodableVector vec = new ASN1EncodableVector();
        vec.add(new ASN1Integer(dsaPubKey.getParams().getP()));
        vec.add(new ASN1Integer(dsaPubKey.getParams().getQ()));
        vec.add(new ASN1Integer(dsaPubKey.getParams().getG()));
        ASN1Sequence dssParams = new DERSequence(vec);
        try {
            return new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa, dssParams), new ASN1Integer(dsaPubKey.getY()));
        } catch (IOException ex) {
            throw new InvalidKeyException(ex.getMessage(), ex);
        }
    } else if (publicKey instanceof RSAPublicKey) {
        RSAPublicKey rsaPubKey = (RSAPublicKey) publicKey;
        try {
            return new SubjectPublicKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, DERNull.INSTANCE), new org.bouncycastle.asn1.pkcs.RSAPublicKey(rsaPubKey.getModulus(), rsaPubKey.getPublicExponent()));
        } catch (IOException ex) {
            throw new InvalidKeyException(ex.getMessage(), ex);
        }
    } else if (publicKey instanceof ECPublicKey) {
        ECPublicKey ecPubKey = (ECPublicKey) publicKey;
        ECParameterSpec paramSpec = ecPubKey.getParams();
        ASN1ObjectIdentifier curveOid = detectCurveOid(paramSpec);
        if (curveOid == null) {
            throw new InvalidKeyException("Cannot find namedCurve of the given private key");
        }
        java.security.spec.ECPoint pointW = ecPubKey.getW();
        BigInteger wx = pointW.getAffineX();
        if (wx.signum() != 1) {
            throw new InvalidKeyException("Wx is not positive");
        }
        BigInteger wy = pointW.getAffineY();
        if (wy.signum() != 1) {
            throw new InvalidKeyException("Wy is not positive");
        }
        int keysize = (paramSpec.getOrder().bitLength() + 7) / 8;
        byte[] wxBytes = BigIntegers.asUnsignedByteArray(keysize, wx);
        byte[] wyBytes = BigIntegers.asUnsignedByteArray(keysize, wy);
        byte[] pubKey = new byte[1 + keysize * 2];
        // uncompressed
        pubKey[0] = 4;
        System.arraycopy(wxBytes, 0, pubKey, 1, keysize);
        System.arraycopy(wyBytes, 0, pubKey, 1 + keysize, keysize);
        AlgorithmIdentifier algId = new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, curveOid);
        return new SubjectPublicKeyInfo(algId, pubKey);
    } else {
        throw new InvalidKeyException("unknown publicKey class " + publicKey.getClass().getName());
    }
}

Example 78 with SubjectPublicKeyInfo

use of org.spongycastle.asn1.x509.SubjectPublicKeyInfo in project xipki by xipki.

the class P12KeyGenerator method genRSAKeypair.

// CHECKSTYLE:SKIP
private KeyPairWithSubjectPublicKeyInfo genRSAKeypair(int keysize, BigInteger publicExponent, SecureRandom random) throws Exception {
    KeyPair kp = KeyUtil.generateRSAKeypair(keysize, publicExponent, random);
    java.security.interfaces.RSAPublicKey rsaPubKey = (java.security.interfaces.RSAPublicKey) kp.getPublic();
    SubjectPublicKeyInfo spki = new SubjectPublicKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, DERNull.INSTANCE), new RSAPublicKey(rsaPubKey.getModulus(), rsaPubKey.getPublicExponent()));
    return new KeyPairWithSubjectPublicKeyInfo(kp, spki);
}

Example 79 with SubjectPublicKeyInfo

use of org.spongycastle.asn1.x509.SubjectPublicKeyInfo in project xipki by xipki.

the class P12KeyGenerator method generateIdentity.

private static P12KeyGenerationResult generateIdentity(KeyPairWithSubjectPublicKeyInfo kp, KeystoreGenerationParameters params, String selfSignedCertSubject) throws Exception {
    Date now = new Date();
    // 10 minutes past
    Date notBefore = new Date(now.getTime() - 10 * MIN);
    Date notAfter = new Date(notBefore.getTime() + 3650 * DAY);
    String dnStr = (selfSignedCertSubject == null) ? "CN=DUMMY" : selfSignedCertSubject;
    X500Name subjectDn = new X500Name(dnStr);
    SubjectPublicKeyInfo subjectPublicKeyInfo = kp.getSubjectPublicKeyInfo();
    ContentSigner contentSigner = getContentSigner(kp.getKeypair().getPrivate());
    // Generate keystore
    X509v3CertificateBuilder certGenerator = new X509v3CertificateBuilder(subjectDn, BigInteger.ONE, notBefore, notAfter, subjectDn, subjectPublicKeyInfo);
    KeyAndCertPair identity = new KeyAndCertPair(certGenerator.build(contentSigner), kp.getKeypair().getPrivate());
    KeyStore ks = KeyUtil.getKeyStore("PKCS12");
    ks.load(null, params.getPassword());
    ks.setKeyEntry("main", identity.getKey(), params.getPassword(), new Certificate[] { identity.getJceCert() });
    ByteArrayOutputStream ksStream = new ByteArrayOutputStream();
    try {
        ks.store(ksStream, params.getPassword());
    } finally {
        ksStream.flush();
    }
    P12KeyGenerationResult result = new P12KeyGenerationResult(ksStream.toByteArray());
    result.setKeystoreObject(ks);
    return result;
}

Example 80 with SubjectPublicKeyInfo

use of org.spongycastle.asn1.x509.SubjectPublicKeyInfo in project xipki by xipki.

the class CaLoadTestEnroll method nextCertRequests.

private Map<Integer, CertRequest> nextCertRequests() {
    if (maxRequests > 0) {
        int num = processedRequests.getAndAdd(1);
        if (num >= maxRequests) {
            return null;
        }
    }
    Map<Integer, CertRequest> certRequests = new HashMap<>();
    for (int i = 0; i < num; i++) {
        final int certId = i + 1;
        CertTemplateBuilder certTempBuilder = new CertTemplateBuilder();
        long thisIndex = index.getAndIncrement();
        certTempBuilder.setSubject(loadtestEntry.getX500Name(thisIndex));
        SubjectPublicKeyInfo spki = loadtestEntry.getSubjectPublicKeyInfo();
        certTempBuilder.setPublicKey(spki);
        CertTemplate certTemplate = certTempBuilder.build();
        CertRequest certRequest = new CertRequest(certId, certTemplate, null);
        certRequests.put(certId, certRequest);
    }
    return certRequests;
}