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Example 1 with RSAKeyParameters

use of com.github.zhenwei.core.crypto.params.RSAKeyParameters in project LinLong-Java by zhenwei1108.

the class ISO9796d1Encoding method init.

public void init(boolean forEncryption, CipherParameters param) {
    RSAKeyParameters kParam = null;
    if (param instanceof ParametersWithRandom) {
        ParametersWithRandom rParam = (ParametersWithRandom) param;
        kParam = (RSAKeyParameters) rParam.getParameters();
    } else {
        kParam = (RSAKeyParameters) param;
    }
    engine.init(forEncryption, param);
    modulus = kParam.getModulus();
    bitSize = modulus.bitLength();
    this.forEncryption = forEncryption;
}
Also used : ParametersWithRandom(com.github.zhenwei.core.crypto.params.ParametersWithRandom) RSAKeyParameters(com.github.zhenwei.core.crypto.params.RSAKeyParameters)

Example 2 with RSAKeyParameters

use of com.github.zhenwei.core.crypto.params.RSAKeyParameters in project LinLong-Java by zhenwei1108.

the class PrivateKeyInfoFactory method createPrivateKeyInfo.

/**
 * Create a PrivateKeyInfo representation of a private key with attributes.
 *
 * @param privateKey the key to be encoded into the info object.
 * @param attributes the set of attributes to be included.
 * @return the appropriate PrivateKeyInfo
 * @throws IOException on an error encoding the key
 */
public static PrivateKeyInfo createPrivateKeyInfo(AsymmetricKeyParameter privateKey, ASN1Set attributes) throws IOException {
    if (privateKey instanceof RSAKeyParameters) {
        RSAPrivateCrtKeyParameters priv = (RSAPrivateCrtKeyParameters) privateKey;
        return new PrivateKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, DERNull.INSTANCE), new RSAPrivateKey(priv.getModulus(), priv.getPublicExponent(), priv.getExponent(), priv.getP(), priv.getQ(), priv.getDP(), priv.getDQ(), priv.getQInv()), attributes);
    } else if (privateKey instanceof DSAPrivateKeyParameters) {
        DSAPrivateKeyParameters priv = (DSAPrivateKeyParameters) privateKey;
        DSAParameters params = priv.getParameters();
        return new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa, new DSAParameter(params.getP(), params.getQ(), params.getG())), new ASN1Integer(priv.getX()), attributes);
    } else if (privateKey instanceof ECPrivateKeyParameters) {
        ECPrivateKeyParameters priv = (ECPrivateKeyParameters) privateKey;
        ECDomainParameters domainParams = priv.getParameters();
        ASN1Encodable params;
        int orderBitLength;
        if (domainParams == null) {
            // Implicitly CA
            params = new X962Parameters(DERNull.INSTANCE);
            orderBitLength = priv.getD().bitLength();
        } else if (domainParams instanceof ECGOST3410Parameters) {
            GOST3410PublicKeyAlgParameters gostParams = new GOST3410PublicKeyAlgParameters(((ECGOST3410Parameters) domainParams).getPublicKeyParamSet(), ((ECGOST3410Parameters) domainParams).getDigestParamSet(), ((ECGOST3410Parameters) domainParams).getEncryptionParamSet());
            int size;
            ASN1ObjectIdentifier identifier;
            if (cryptoProOids.contains(gostParams.getPublicKeyParamSet())) {
                size = 32;
                identifier = CryptoProObjectIdentifiers.gostR3410_2001;
            } else {
                boolean is512 = priv.getD().bitLength() > 256;
                identifier = (is512) ? RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512 : RosstandartObjectIdentifiers.id_tc26_gost_3410_12_256;
                size = (is512) ? 64 : 32;
            }
            byte[] encKey = new byte[size];
            extractBytes(encKey, size, 0, priv.getD());
            return new PrivateKeyInfo(new AlgorithmIdentifier(identifier, gostParams), new DEROctetString(encKey));
        } else if (domainParams instanceof ECNamedDomainParameters) {
            params = new X962Parameters(((ECNamedDomainParameters) domainParams).getName());
            orderBitLength = domainParams.getN().bitLength();
        } else {
            X9ECParameters ecP = new X9ECParameters(domainParams.getCurve(), new X9ECPoint(domainParams.getG(), false), domainParams.getN(), domainParams.getH(), domainParams.getSeed());
            params = new X962Parameters(ecP);
            orderBitLength = domainParams.getN().bitLength();
        }
        ECPoint q = new FixedPointCombMultiplier().multiply(domainParams.getG(), priv.getD());
        // TODO Support point compression
        DERBitString publicKey = new DERBitString(q.getEncoded(false));
        return new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), new ECPrivateKey(orderBitLength, priv.getD(), publicKey, params), attributes);
    } else if (privateKey instanceof X448PrivateKeyParameters) {
        X448PrivateKeyParameters key = (X448PrivateKeyParameters) privateKey;
        return new PrivateKeyInfo(new AlgorithmIdentifier(EdECObjectIdentifiers.id_X448), new DEROctetString(key.getEncoded()), attributes, key.generatePublicKey().getEncoded());
    } else if (privateKey instanceof X25519PrivateKeyParameters) {
        X25519PrivateKeyParameters key = (X25519PrivateKeyParameters) privateKey;
        return new PrivateKeyInfo(new AlgorithmIdentifier(EdECObjectIdentifiers.id_X25519), new DEROctetString(key.getEncoded()), attributes, key.generatePublicKey().getEncoded());
    } else if (privateKey instanceof Ed448PrivateKeyParameters) {
        Ed448PrivateKeyParameters key = (Ed448PrivateKeyParameters) privateKey;
        return new PrivateKeyInfo(new AlgorithmIdentifier(EdECObjectIdentifiers.id_Ed448), new DEROctetString(key.getEncoded()), attributes, key.generatePublicKey().getEncoded());
    } else if (privateKey instanceof Ed25519PrivateKeyParameters) {
        Ed25519PrivateKeyParameters key = (Ed25519PrivateKeyParameters) privateKey;
        return new PrivateKeyInfo(new AlgorithmIdentifier(EdECObjectIdentifiers.id_Ed25519), new DEROctetString(key.getEncoded()), attributes, key.generatePublicKey().getEncoded());
    } else {
        throw new IOException("key parameters not recognized");
    }
}
Also used : ECDomainParameters(com.github.zhenwei.core.crypto.params.ECDomainParameters) X9ECParameters(com.github.zhenwei.core.asn1.x9.X9ECParameters) ECGOST3410Parameters(com.github.zhenwei.core.crypto.params.ECGOST3410Parameters) GOST3410PublicKeyAlgParameters(com.github.zhenwei.core.asn1.cryptopro.GOST3410PublicKeyAlgParameters) X25519PrivateKeyParameters(com.github.zhenwei.core.crypto.params.X25519PrivateKeyParameters) Ed448PrivateKeyParameters(com.github.zhenwei.core.crypto.params.Ed448PrivateKeyParameters) Ed25519PrivateKeyParameters(com.github.zhenwei.core.crypto.params.Ed25519PrivateKeyParameters) RSAKeyParameters(com.github.zhenwei.core.crypto.params.RSAKeyParameters) DEROctetString(com.github.zhenwei.core.asn1.DEROctetString) AlgorithmIdentifier(com.github.zhenwei.core.asn1.x509.AlgorithmIdentifier) X962Parameters(com.github.zhenwei.core.asn1.x9.X962Parameters) FixedPointCombMultiplier(com.github.zhenwei.core.math.ec.FixedPointCombMultiplier) DSAParameter(com.github.zhenwei.core.asn1.x509.DSAParameter) ASN1Encodable(com.github.zhenwei.core.asn1.ASN1Encodable) X448PrivateKeyParameters(com.github.zhenwei.core.crypto.params.X448PrivateKeyParameters) ECPrivateKey(com.github.zhenwei.core.asn1.sec.ECPrivateKey) ECNamedDomainParameters(com.github.zhenwei.core.crypto.params.ECNamedDomainParameters) DERBitString(com.github.zhenwei.core.asn1.DERBitString) ASN1Integer(com.github.zhenwei.core.asn1.ASN1Integer) IOException(java.io.IOException) ECPoint(com.github.zhenwei.core.math.ec.ECPoint) X9ECPoint(com.github.zhenwei.core.asn1.x9.X9ECPoint) ECPoint(com.github.zhenwei.core.math.ec.ECPoint) X9ECPoint(com.github.zhenwei.core.asn1.x9.X9ECPoint) ECPrivateKeyParameters(com.github.zhenwei.core.crypto.params.ECPrivateKeyParameters) X9ECPoint(com.github.zhenwei.core.asn1.x9.X9ECPoint) DSAPrivateKeyParameters(com.github.zhenwei.core.crypto.params.DSAPrivateKeyParameters) RSAPrivateKey(com.github.zhenwei.core.asn1.pkcs.RSAPrivateKey) DSAParameters(com.github.zhenwei.core.crypto.params.DSAParameters) PrivateKeyInfo(com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo) ASN1ObjectIdentifier(com.github.zhenwei.core.asn1.ASN1ObjectIdentifier) RSAPrivateCrtKeyParameters(com.github.zhenwei.core.crypto.params.RSAPrivateCrtKeyParameters)

Example 3 with RSAKeyParameters

use of com.github.zhenwei.core.crypto.params.RSAKeyParameters in project LinLong-Java by zhenwei1108.

the class OpenSSHPublicKeyUtil method parsePublicKey.

/**
 * Parse a public key from an SSHBuffer instance.
 *
 * @param buffer containing the SSH public key.
 * @return A CipherParameters instance.
 */
public static AsymmetricKeyParameter parsePublicKey(SSHBuffer buffer) {
    AsymmetricKeyParameter result = null;
    String magic = buffer.readString();
    if (RSA.equals(magic)) {
        BigInteger e = buffer.readBigNumPositive();
        BigInteger n = buffer.readBigNumPositive();
        result = new RSAKeyParameters(false, n, e);
    } else if (DSS.equals(magic)) {
        BigInteger p = buffer.readBigNumPositive();
        BigInteger q = buffer.readBigNumPositive();
        BigInteger g = buffer.readBigNumPositive();
        BigInteger pubKey = buffer.readBigNumPositive();
        result = new DSAPublicKeyParameters(pubKey, new DSAParameters(p, q, g));
    } else if (magic.startsWith(ECDSA)) {
        String curveName = buffer.readString();
        ASN1ObjectIdentifier oid = SSHNamedCurves.getByName(curveName);
        X9ECParameters x9ECParameters = SSHNamedCurves.getParameters(oid);
        if (x9ECParameters == null) {
            throw new IllegalStateException("unable to find curve for " + magic + " using curve name " + curveName);
        }
        ECCurve curve = x9ECParameters.getCurve();
        byte[] pointRaw = buffer.readBlock();
        result = new ECPublicKeyParameters(curve.decodePoint(pointRaw), new ECNamedDomainParameters(oid, x9ECParameters));
    } else if (ED_25519.equals(magic)) {
        byte[] pubKeyBytes = buffer.readBlock();
        if (pubKeyBytes.length != Ed25519PublicKeyParameters.KEY_SIZE) {
            throw new IllegalStateException("public key value of wrong length");
        }
        result = new Ed25519PublicKeyParameters(pubKeyBytes, 0);
    }
    if (result == null) {
        throw new IllegalArgumentException("unable to parse key");
    }
    if (buffer.hasRemaining()) {
        throw new IllegalArgumentException("decoded key has trailing data");
    }
    return result;
}
Also used : DSAPublicKeyParameters(com.github.zhenwei.core.crypto.params.DSAPublicKeyParameters) X9ECParameters(com.github.zhenwei.core.asn1.x9.X9ECParameters) ECNamedDomainParameters(com.github.zhenwei.core.crypto.params.ECNamedDomainParameters) ECPublicKeyParameters(com.github.zhenwei.core.crypto.params.ECPublicKeyParameters) RSAKeyParameters(com.github.zhenwei.core.crypto.params.RSAKeyParameters) AsymmetricKeyParameter(com.github.zhenwei.core.crypto.params.AsymmetricKeyParameter) ECCurve(com.github.zhenwei.core.math.ec.ECCurve) Ed25519PublicKeyParameters(com.github.zhenwei.core.crypto.params.Ed25519PublicKeyParameters) BigInteger(java.math.BigInteger) DSAParameters(com.github.zhenwei.core.crypto.params.DSAParameters) ASN1ObjectIdentifier(com.github.zhenwei.core.asn1.ASN1ObjectIdentifier)

Example 4 with RSAKeyParameters

use of com.github.zhenwei.core.crypto.params.RSAKeyParameters in project LinLong-Java by zhenwei1108.

the class PSSSigner method init.

public void init(boolean forSigning, CipherParameters param) {
    CipherParameters params;
    if (param instanceof ParametersWithRandom) {
        ParametersWithRandom p = (ParametersWithRandom) param;
        params = p.getParameters();
        random = p.getRandom();
    } else {
        params = param;
        if (forSigning) {
            random = CryptoServicesRegistrar.getSecureRandom();
        }
    }
    RSAKeyParameters kParam;
    if (params instanceof RSABlindingParameters) {
        kParam = ((RSABlindingParameters) params).getPublicKey();
        // pass on random
        cipher.init(forSigning, param);
    } else {
        kParam = (RSAKeyParameters) params;
        cipher.init(forSigning, params);
    }
    emBits = kParam.getModulus().bitLength() - 1;
    if (emBits < (8 * hLen + 8 * sLen + 9)) {
        throw new IllegalArgumentException("key too small for specified hash and salt lengths");
    }
    block = new byte[(emBits + 7) / 8];
    reset();
}
Also used : CipherParameters(com.github.zhenwei.core.crypto.CipherParameters) ParametersWithRandom(com.github.zhenwei.core.crypto.params.ParametersWithRandom) RSABlindingParameters(com.github.zhenwei.core.crypto.params.RSABlindingParameters) RSAKeyParameters(com.github.zhenwei.core.crypto.params.RSAKeyParameters)

Example 5 with RSAKeyParameters

use of com.github.zhenwei.core.crypto.params.RSAKeyParameters in project LinLong-Java by zhenwei1108.

the class BCRSAPublicKey method readObject.

private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
    in.defaultReadObject();
    try {
        algorithmIdentifier = AlgorithmIdentifier.getInstance(in.readObject());
    } catch (Exception e) {
        algorithmIdentifier = DEFAULT_ALGORITHM_IDENTIFIER;
    }
    this.rsaPublicKey = new RSAKeyParameters(false, modulus, publicExponent);
}
Also used : IOException(java.io.IOException) RSAKeyParameters(com.github.zhenwei.core.crypto.params.RSAKeyParameters)

Aggregations

RSAKeyParameters (com.github.zhenwei.core.crypto.params.RSAKeyParameters)14 DSAParameters (com.github.zhenwei.core.crypto.params.DSAParameters)4 IOException (java.io.IOException)4 BigInteger (java.math.BigInteger)4 ASN1ObjectIdentifier (com.github.zhenwei.core.asn1.ASN1ObjectIdentifier)3 X9ECParameters (com.github.zhenwei.core.asn1.x9.X9ECParameters)3 DSAPublicKeyParameters (com.github.zhenwei.core.crypto.params.DSAPublicKeyParameters)3 ECDomainParameters (com.github.zhenwei.core.crypto.params.ECDomainParameters)3 ECNamedDomainParameters (com.github.zhenwei.core.crypto.params.ECNamedDomainParameters)3 ECPublicKeyParameters (com.github.zhenwei.core.crypto.params.ECPublicKeyParameters)3 Ed25519PublicKeyParameters (com.github.zhenwei.core.crypto.params.Ed25519PublicKeyParameters)3 ParametersWithRandom (com.github.zhenwei.core.crypto.params.ParametersWithRandom)3 RSAPrivateCrtKeyParameters (com.github.zhenwei.core.crypto.params.RSAPrivateCrtKeyParameters)3 ASN1Encodable (com.github.zhenwei.core.asn1.ASN1Encodable)2 ASN1Integer (com.github.zhenwei.core.asn1.ASN1Integer)2 DEROctetString (com.github.zhenwei.core.asn1.DEROctetString)2 GOST3410PublicKeyAlgParameters (com.github.zhenwei.core.asn1.cryptopro.GOST3410PublicKeyAlgParameters)2 AlgorithmIdentifier (com.github.zhenwei.core.asn1.x509.AlgorithmIdentifier)2 DSAParameter (com.github.zhenwei.core.asn1.x509.DSAParameter)2 X962Parameters (com.github.zhenwei.core.asn1.x9.X962Parameters)2