Examples with RSAPrivateKey org.bouncycastle.asn1.pkcs.RSAPrivateKey used on opensource projects

Example 1 with RSAPrivateKey

use of org.bouncycastle.asn1.pkcs.RSAPrivateKey in project robovm by robovm.

the class PrivateKeyFactory method createKey.

/**
     * Create a private key parameter from the passed in PKCS8 PrivateKeyInfo object.
     * 
     * @param keyInfo the PrivateKeyInfo object containing the key material
     * @return a suitable private key parameter
     * @throws IOException on an error decoding the key
     */
public static AsymmetricKeyParameter createKey(PrivateKeyInfo keyInfo) throws IOException {
    AlgorithmIdentifier algId = keyInfo.getPrivateKeyAlgorithm();
    if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.rsaEncryption)) {
        RSAPrivateKey keyStructure = RSAPrivateKey.getInstance(keyInfo.parsePrivateKey());
        return new RSAPrivateCrtKeyParameters(keyStructure.getModulus(), keyStructure.getPublicExponent(), keyStructure.getPrivateExponent(), keyStructure.getPrime1(), keyStructure.getPrime2(), keyStructure.getExponent1(), keyStructure.getExponent2(), keyStructure.getCoefficient());
    } else //      else if (algId.getObjectId().equals(X9ObjectIdentifiers.dhpublicnumber))
    if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.dhKeyAgreement)) {
        DHParameter params = DHParameter.getInstance(algId.getParameters());
        ASN1Integer derX = (ASN1Integer) keyInfo.parsePrivateKey();
        BigInteger lVal = params.getL();
        int l = lVal == null ? 0 : lVal.intValue();
        DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);
        return new DHPrivateKeyParameters(derX.getValue(), dhParams);
    } else // END android-removed
    if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_dsa)) {
        ASN1Integer derX = (ASN1Integer) keyInfo.parsePrivateKey();
        ASN1Encodable de = algId.getParameters();
        DSAParameters parameters = null;
        if (de != null) {
            DSAParameter params = DSAParameter.getInstance(de.toASN1Primitive());
            parameters = new DSAParameters(params.getP(), params.getQ(), params.getG());
        }
        return new DSAPrivateKeyParameters(derX.getValue(), parameters);
    } else if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_ecPublicKey)) {
        X962Parameters params = new X962Parameters((ASN1Primitive) algId.getParameters());
        X9ECParameters x9;
        if (params.isNamedCurve()) {
            ASN1ObjectIdentifier oid = ASN1ObjectIdentifier.getInstance(params.getParameters());
            x9 = X962NamedCurves.getByOID(oid);
            if (x9 == null) {
                x9 = SECNamedCurves.getByOID(oid);
                if (x9 == null) {
                    x9 = NISTNamedCurves.getByOID(oid);
                // BEGIN android-removed
                // if (x9 == null)
                // {
                //     x9 = TeleTrusTNamedCurves.getByOID(oid);
                // }
                // END android-removed
                }
            }
        } else {
            x9 = X9ECParameters.getInstance(params.getParameters());
        }
        ECPrivateKey ec = ECPrivateKey.getInstance(keyInfo.parsePrivateKey());
        BigInteger d = ec.getKey();
        // TODO We lose any named parameters here
        ECDomainParameters dParams = new ECDomainParameters(x9.getCurve(), x9.getG(), x9.getN(), x9.getH(), x9.getSeed());
        return new ECPrivateKeyParameters(d, dParams);
    } else {
        throw new RuntimeException("algorithm identifier in key not recognised");
    }
}

Example 2 with RSAPrivateKey

use of org.bouncycastle.asn1.pkcs.RSAPrivateKey in project robovm by robovm.

the class RSAPrivateKey method toASN1Primitive.

/**
     * This outputs the key in PKCS1v2 format.
     * <pre>
     *      RSAPrivateKey ::= SEQUENCE {
     *                          version Version,
     *                          modulus INTEGER, -- n
     *                          publicExponent INTEGER, -- e
     *                          privateExponent INTEGER, -- d
     *                          prime1 INTEGER, -- p
     *                          prime2 INTEGER, -- q
     *                          exponent1 INTEGER, -- d mod (p-1)
     *                          exponent2 INTEGER, -- d mod (q-1)
     *                          coefficient INTEGER, -- (inverse of q) mod p
     *                          otherPrimeInfos OtherPrimeInfos OPTIONAL
     *                      }
     *
     *      Version ::= INTEGER { two-prime(0), multi(1) }
     *        (CONSTRAINED BY {-- version must be multi if otherPrimeInfos present --})
     * </pre>
     * <p>
     * This routine is written to output PKCS1 version 2.1, private keys.
     */
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector();
    // version
    v.add(new ASN1Integer(version));
    v.add(new ASN1Integer(getModulus()));
    v.add(new ASN1Integer(getPublicExponent()));
    v.add(new ASN1Integer(getPrivateExponent()));
    v.add(new ASN1Integer(getPrime1()));
    v.add(new ASN1Integer(getPrime2()));
    v.add(new ASN1Integer(getExponent1()));
    v.add(new ASN1Integer(getExponent2()));
    v.add(new ASN1Integer(getCoefficient()));
    if (otherPrimeInfos != null) {
        v.add(otherPrimeInfos);
    }
    return new DERSequence(v);
}

Example 3 with RSAPrivateKey

use of org.bouncycastle.asn1.pkcs.RSAPrivateKey in project robovm by robovm.

the class RSAPrivateKeyStructure method toASN1Primitive.

/**
     * This outputs the key in PKCS1v2 format.
     * <pre>
     *      RSAPrivateKey ::= SEQUENCE {
     *                          version Version,
     *                          modulus INTEGER, -- n
     *                          publicExponent INTEGER, -- e
     *                          privateExponent INTEGER, -- d
     *                          prime1 INTEGER, -- p
     *                          prime2 INTEGER, -- q
     *                          exponent1 INTEGER, -- d mod (p-1)
     *                          exponent2 INTEGER, -- d mod (q-1)
     *                          coefficient INTEGER, -- (inverse of q) mod p
     *                          otherPrimeInfos OtherPrimeInfos OPTIONAL
     *                      }
     *
     *      Version ::= INTEGER { two-prime(0), multi(1) }
     *        (CONSTRAINED BY {-- version must be multi if otherPrimeInfos present --})
     * </pre>
     * <p>
     * This routine is written to output PKCS1 version 2.1, private keys.
     */
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector();
    // version
    v.add(new ASN1Integer(version));
    v.add(new ASN1Integer(getModulus()));
    v.add(new ASN1Integer(getPublicExponent()));
    v.add(new ASN1Integer(getPrivateExponent()));
    v.add(new ASN1Integer(getPrime1()));
    v.add(new ASN1Integer(getPrime2()));
    v.add(new ASN1Integer(getExponent1()));
    v.add(new ASN1Integer(getExponent2()));
    v.add(new ASN1Integer(getCoefficient()));
    if (otherPrimeInfos != null) {
        v.add(otherPrimeInfos);
    }
    return new DERSequence(v);
}

Example 4 with RSAPrivateKey

use of org.bouncycastle.asn1.pkcs.RSAPrivateKey in project XobotOS by xamarin.

the class MiscPEMGenerator method createPemObject.

private PemObject createPemObject(Object o) throws IOException {
    String type;
    byte[] encoding;
    if (o instanceof PemObject) {
        return (PemObject) o;
    }
    if (o instanceof PemObjectGenerator) {
        return ((PemObjectGenerator) o).generate();
    }
    if (o instanceof X509Certificate) {
        type = "CERTIFICATE";
        try {
            encoding = ((X509Certificate) o).getEncoded();
        } catch (CertificateEncodingException e) {
            throw new PemGenerationException("Cannot encode object: " + e.toString());
        }
    } else if (o instanceof X509CRL) {
        type = "X509 CRL";
        try {
            encoding = ((X509CRL) o).getEncoded();
        } catch (CRLException e) {
            throw new PemGenerationException("Cannot encode object: " + e.toString());
        }
    } else if (o instanceof KeyPair) {
        return createPemObject(((KeyPair) o).getPrivate());
    } else if (o instanceof PrivateKey) {
        PrivateKeyInfo info = new PrivateKeyInfo((ASN1Sequence) ASN1Object.fromByteArray(((Key) o).getEncoded()));
        if (o instanceof RSAPrivateKey) {
            type = "RSA PRIVATE KEY";
            encoding = info.getPrivateKey().getEncoded();
        } else if (o instanceof DSAPrivateKey) {
            type = "DSA PRIVATE KEY";
            DSAParameter p = DSAParameter.getInstance(info.getAlgorithmId().getParameters());
            ASN1EncodableVector v = new ASN1EncodableVector();
            v.add(new DERInteger(0));
            v.add(new DERInteger(p.getP()));
            v.add(new DERInteger(p.getQ()));
            v.add(new DERInteger(p.getG()));
            BigInteger x = ((DSAPrivateKey) o).getX();
            BigInteger y = p.getG().modPow(x, p.getP());
            v.add(new DERInteger(y));
            v.add(new DERInteger(x));
            encoding = new DERSequence(v).getEncoded();
        } else if (((PrivateKey) o).getAlgorithm().equals("ECDSA")) {
            type = "EC PRIVATE KEY";
            encoding = info.getPrivateKey().getEncoded();
        } else {
            throw new IOException("Cannot identify private key");
        }
    } else if (o instanceof PublicKey) {
        type = "PUBLIC KEY";
        encoding = ((PublicKey) o).getEncoded();
    } else if (o instanceof X509AttributeCertificate) {
        type = "ATTRIBUTE CERTIFICATE";
        encoding = ((X509V2AttributeCertificate) o).getEncoded();
    } else if (o instanceof PKCS10CertificationRequest) {
        type = "CERTIFICATE REQUEST";
        encoding = ((PKCS10CertificationRequest) o).getEncoded();
    } else if (o instanceof ContentInfo) {
        type = "PKCS7";
        encoding = ((ContentInfo) o).getEncoded();
    } else {
        throw new PemGenerationException("unknown object passed - can't encode.");
    }
    return new PemObject(type, encoding);
}

Example 5 with RSAPrivateKey

use of org.bouncycastle.asn1.pkcs.RSAPrivateKey in project athenz by yahoo.

the class CryptoTest method testX509CSRrequest.

@Test(dataProvider = "x500Principal")
public void testX509CSRrequest(String x500Principal, boolean badRequest) throws Exception {
    PublicKey publicKey = Crypto.loadPublicKey(rsaPublicKey);
    PrivateKey privateKey = Crypto.loadPrivateKey(rsaPrivateKey);
    String certRequest = null;
    GeneralName otherName1 = new GeneralName(GeneralName.otherName, new DERIA5String("role1"));
    GeneralName otherName2 = new GeneralName(GeneralName.otherName, new DERIA5String("role2"));
    GeneralName[] sanArray = new GeneralName[] { otherName1, otherName2 };
    try {
        certRequest = Crypto.generateX509CSR(privateKey, publicKey, x500Principal, sanArray);
    } catch (Exception e) {
        if (!badRequest) {
            fail("Should not have failed to create csr");
        }
    }
    if (!badRequest) {
        // Now validate the csr
        Crypto.getPKCS10CertRequest(certRequest);
    }
}