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

Example 86 with AlgorithmIdentifier

use of org.spongycastle.asn1.x509.AlgorithmIdentifier in project robovm by robovm.

the class JcaContentVerifierProviderBuilder method build.

public ContentVerifierProvider build(final X509Certificate certificate) throws OperatorCreationException {
    final X509CertificateHolder certHolder;
    try {
        certHolder = new JcaX509CertificateHolder(certificate);
    } catch (CertificateEncodingException e) {
        throw new OperatorCreationException("cannot process certificate: " + e.getMessage(), e);
    }
    return new ContentVerifierProvider() {

        private SignatureOutputStream stream;

        public boolean hasAssociatedCertificate() {
            return true;
        }

        public X509CertificateHolder getAssociatedCertificate() {
            return certHolder;
        }

        public ContentVerifier get(AlgorithmIdentifier algorithm) throws OperatorCreationException {
            try {
                Signature sig = helper.createSignature(algorithm);
                sig.initVerify(certificate.getPublicKey());
                stream = new SignatureOutputStream(sig);
            } catch (GeneralSecurityException e) {
                throw new OperatorCreationException("exception on setup: " + e, e);
            }
            Signature rawSig = createRawSig(algorithm, certificate.getPublicKey());
            if (rawSig != null) {
                return new RawSigVerifier(algorithm, stream, rawSig);
            } else {
                return new SigVerifier(algorithm, stream);
            }
        }
    };
}

Example 87 with AlgorithmIdentifier

use of org.spongycastle.asn1.x509.AlgorithmIdentifier in project robovm by robovm.

the class SignerInfoGenerator method generate.

public SignerInfo generate(ASN1ObjectIdentifier contentType) throws CMSException {
    try {
        /* RFC 3852 5.4
             * The result of the message digest calculation process depends on
             * whether the signedAttrs field is present.  When the field is absent,
             * the result is just the message digest of the content as described
             *
             * above.  When the field is present, however, the result is the message
             * digest of the complete DER encoding of the SignedAttrs value
             * contained in the signedAttrs field.
             */
        ASN1Set signedAttr = null;
        AlgorithmIdentifier digestAlg = null;
        if (sAttrGen != null) {
            digestAlg = digester.getAlgorithmIdentifier();
            calculatedDigest = digester.getDigest();
            Map parameters = getBaseParameters(contentType, digester.getAlgorithmIdentifier(), calculatedDigest);
            AttributeTable signed = sAttrGen.getAttributes(Collections.unmodifiableMap(parameters));
            signedAttr = getAttributeSet(signed);
            // sig must be composed from the DER encoding.
            OutputStream sOut = signer.getOutputStream();
            sOut.write(signedAttr.getEncoded(ASN1Encoding.DER));
            sOut.close();
        } else {
            if (digester != null) {
                digestAlg = digester.getAlgorithmIdentifier();
                calculatedDigest = digester.getDigest();
            } else {
                digestAlg = digAlgFinder.find(signer.getAlgorithmIdentifier());
                calculatedDigest = null;
            }
        }
        byte[] sigBytes = signer.getSignature();
        ASN1Set unsignedAttr = null;
        if (unsAttrGen != null) {
            Map parameters = getBaseParameters(contentType, digestAlg, calculatedDigest);
            parameters.put(CMSAttributeTableGenerator.SIGNATURE, sigBytes.clone());
            AttributeTable unsigned = unsAttrGen.getAttributes(Collections.unmodifiableMap(parameters));
            unsignedAttr = getAttributeSet(unsigned);
        }
        AlgorithmIdentifier digestEncryptionAlgorithm = sigEncAlgFinder.findEncryptionAlgorithm(signer.getAlgorithmIdentifier());
        return new SignerInfo(signerIdentifier, digestAlg, signedAttr, digestEncryptionAlgorithm, new DEROctetString(sigBytes), unsignedAttr);
    } catch (IOException e) {
        throw new CMSException("encoding error.", e);
    }
}

Example 88 with AlgorithmIdentifier

use of org.spongycastle.asn1.x509.AlgorithmIdentifier in project robovm by robovm.

the class JCEECPrivateKey method getEncoded.

/**
     * Return a PKCS8 representation of the key. The sequence returned
     * represents a full PrivateKeyInfo object.
     *
     * @return a PKCS8 representation of the key.
     */
public byte[] getEncoded() {
    X962Parameters params;
    if (ecSpec instanceof ECNamedCurveSpec) {
        DERObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec) ecSpec).getName());
        if (// guess it's the OID
        curveOid == null) {
            curveOid = new DERObjectIdentifier(((ECNamedCurveSpec) ecSpec).getName());
        }
        params = new X962Parameters(curveOid);
    } else if (ecSpec == null) {
        params = new X962Parameters(DERNull.INSTANCE);
    } else {
        ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());
        X9ECParameters ecP = new X9ECParameters(curve, EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression), ecSpec.getOrder(), BigInteger.valueOf(ecSpec.getCofactor()), ecSpec.getCurve().getSeed());
        params = new X962Parameters(ecP);
    }
    PrivateKeyInfo info;
    ECPrivateKeyStructure keyStructure;
    if (publicKey != null) {
        keyStructure = new ECPrivateKeyStructure(this.getS(), publicKey, params);
    } else {
        keyStructure = new ECPrivateKeyStructure(this.getS(), params);
    }
    try {
        // BEGIN android-removed
        // if (algorithm.equals("ECGOST3410"))
        // {
        //     info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.toASN1Primitive()), keyStructure.toASN1Primitive());
        // }
        // else
        // END android-removed
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.toASN1Primitive()), keyStructure.toASN1Primitive());
        }
        return info.getEncoded(ASN1Encoding.DER);
    } catch (IOException e) {
        return null;
    }
}

Example 89 with AlgorithmIdentifier

use of org.spongycastle.asn1.x509.AlgorithmIdentifier in project robovm by robovm.

the class JCEECPublicKey method getEncoded.

public byte[] getEncoded() {
    ASN1Encodable params;
    SubjectPublicKeyInfo info;
    // BEGIN android-removed
    // if (algorithm.equals("ECGOST3410"))
    // {
    //     if (gostParams != null)
    //     {
    //         params = gostParams;
    //     }
    //     else
    //     {
    //         if (ecSpec instanceof ECNamedCurveSpec)
    //         {
    //             params = new GOST3410PublicKeyAlgParameters(
    //                            ECGOST3410NamedCurves.getOID(((ECNamedCurveSpec)ecSpec).getName()),
    //                            CryptoProObjectIdentifiers.gostR3411_94_CryptoProParamSet);
    //         }
    //         else
    //         {   // strictly speaking this may not be applicable...
    //             ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());
    //
    //             X9ECParameters ecP = new X9ECParameters(
    //                 curve,
    //                 EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression),
    //                 ecSpec.getOrder(),
    //                 BigInteger.valueOf(ecSpec.getCofactor()),
    //                 ecSpec.getCurve().getSeed());
    //
    //             params = new X962Parameters(ecP);
    //         }
    //     }
    //
    //     BigInteger      bX = this.q.getX().toBigInteger();
    //     BigInteger      bY = this.q.getY().toBigInteger();
    //     byte[]          encKey = new byte[64];
    //
    //     extractBytes(encKey, 0, bX);
    //     extractBytes(encKey, 32, bY);
    //
    //     try
    //     {
    //         info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params), new DEROctetString(encKey));
    //     }
    //     catch (IOException e)
    //     {
    //         return null;
    //     }
    // }
    // else
    // END android-removed
    {
        if (ecSpec instanceof ECNamedCurveSpec) {
            ASN1ObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec) ecSpec).getName());
            if (curveOid == null) {
                curveOid = new ASN1ObjectIdentifier(((ECNamedCurveSpec) ecSpec).getName());
            }
            params = new X962Parameters(curveOid);
        } else if (ecSpec == null) {
            params = new X962Parameters(DERNull.INSTANCE);
        } else {
            ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());
            X9ECParameters ecP = new X9ECParameters(curve, EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression), ecSpec.getOrder(), BigInteger.valueOf(ecSpec.getCofactor()), ecSpec.getCurve().getSeed());
            params = new X962Parameters(ecP);
        }
        ECCurve curve = this.engineGetQ().getCurve();
        ASN1OctetString p = (ASN1OctetString) new X9ECPoint(curve.createPoint(this.getQ().getX().toBigInteger(), this.getQ().getY().toBigInteger(), withCompression)).toASN1Primitive();
        info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), p.getOctets());
    }
    return KeyUtil.getEncodedSubjectPublicKeyInfo(info);
}

Example 90 with AlgorithmIdentifier

use of org.spongycastle.asn1.x509.AlgorithmIdentifier in project airlift by airlift.

the class TestSignatureAlgorithmIdentifier method test.

@Test
public void test() throws Exception {
    for (Entry<String, SignatureAlgorithmIdentifier> entry : SignatureAlgorithmIdentifier.getAllSignatureAlgorithmIdentifiers().entrySet()) {
        SignatureAlgorithmIdentifier signatureAlgorithmIdentifier = entry.getValue();
        assertEquals(signatureAlgorithmIdentifier.getName(), entry.getKey());
        AlgorithmIdentifier algorithmIdentifier = new DefaultSignatureAlgorithmIdentifierFinder().find(entry.getKey());
        assertEquals(signatureAlgorithmIdentifier.getOid(), algorithmIdentifier.getAlgorithm().getId());
        assertEquals(base16().encode(signatureAlgorithmIdentifier.getEncoded()), base16().encode(algorithmIdentifier.getAlgorithm().getEncoded("DER")));
        assertEquals(algorithmIdentifier, algorithmIdentifier);
        assertEquals(algorithmIdentifier.hashCode(), algorithmIdentifier.hashCode());
    }
}