Examples with Asn1Integer com.android.hotspot2.asn1.Asn1Integer used on opensource projects

Example 6 with Asn1Integer

use of com.android.hotspot2.asn1.Asn1Integer in project android_frameworks_base by AOSPA.

the class AndroidKeyStoreKeyPairGeneratorSpi method generateSelfSignedCertificateWithFakeSignature.

@SuppressWarnings("deprecation")
private X509Certificate generateSelfSignedCertificateWithFakeSignature(PublicKey publicKey) throws IOException, CertificateParsingException {
    V3TBSCertificateGenerator tbsGenerator = new V3TBSCertificateGenerator();
    ASN1ObjectIdentifier sigAlgOid;
    AlgorithmIdentifier sigAlgId;
    byte[] signature;
    switch(mKeymasterAlgorithm) {
        case KeymasterDefs.KM_ALGORITHM_EC:
            sigAlgOid = X9ObjectIdentifiers.ecdsa_with_SHA256;
            sigAlgId = new AlgorithmIdentifier(sigAlgOid);
            ASN1EncodableVector v = new ASN1EncodableVector();
            v.add(new DERInteger(0));
            v.add(new DERInteger(0));
            signature = new DERSequence().getEncoded();
            break;
        case KeymasterDefs.KM_ALGORITHM_RSA:
            sigAlgOid = PKCSObjectIdentifiers.sha256WithRSAEncryption;
            sigAlgId = new AlgorithmIdentifier(sigAlgOid, DERNull.INSTANCE);
            signature = new byte[1];
            break;
        default:
            throw new ProviderException("Unsupported key algorithm: " + mKeymasterAlgorithm);
    }
    try (ASN1InputStream publicKeyInfoIn = new ASN1InputStream(publicKey.getEncoded())) {
        tbsGenerator.setSubjectPublicKeyInfo(SubjectPublicKeyInfo.getInstance(publicKeyInfoIn.readObject()));
    }
    tbsGenerator.setSerialNumber(new ASN1Integer(mSpec.getCertificateSerialNumber()));
    X509Principal subject = new X509Principal(mSpec.getCertificateSubject().getEncoded());
    tbsGenerator.setSubject(subject);
    tbsGenerator.setIssuer(subject);
    tbsGenerator.setStartDate(new Time(mSpec.getCertificateNotBefore()));
    tbsGenerator.setEndDate(new Time(mSpec.getCertificateNotAfter()));
    tbsGenerator.setSignature(sigAlgId);
    TBSCertificate tbsCertificate = tbsGenerator.generateTBSCertificate();
    ASN1EncodableVector result = new ASN1EncodableVector();
    result.add(tbsCertificate);
    result.add(sigAlgId);
    result.add(new DERBitString(signature));
    return new X509CertificateObject(Certificate.getInstance(new DERSequence(result)));
}

Example 7 with Asn1Integer

use of com.android.hotspot2.asn1.Asn1Integer in project poi by apache.

the class XAdESXLSignatureFacet method getCrlNumber.

private BigInteger getCrlNumber(X509CRL crl) {
    byte[] crlNumberExtensionValue = crl.getExtensionValue(Extension.cRLNumber.getId());
    if (null == crlNumberExtensionValue) {
        return null;
    }
    try {
        ASN1InputStream asn1IS1 = null, asn1IS2 = null;
        try {
            asn1IS1 = new ASN1InputStream(crlNumberExtensionValue);
            ASN1OctetString octetString = (ASN1OctetString) asn1IS1.readObject();
            byte[] octets = octetString.getOctets();
            asn1IS2 = new ASN1InputStream(octets);
            ASN1Integer integer = (ASN1Integer) asn1IS2.readObject();
            return integer.getPositiveValue();
        } finally {
            IOUtils.closeQuietly(asn1IS2);
            IOUtils.closeQuietly(asn1IS1);
        }
    } catch (IOException e) {
        throw new RuntimeException("I/O error: " + e.getMessage(), e);
    }
}

Example 8 with Asn1Integer

use of com.android.hotspot2.asn1.Asn1Integer 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 9 with Asn1Integer

use of com.android.hotspot2.asn1.Asn1Integer 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 10 with Asn1Integer

use of com.android.hotspot2.asn1.Asn1Integer 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);
}