JDK 11 jdk.crypto.mscapi.jmod is the JMOD file for JDK 11 Crypto MSCAPI module.

JDK 11 Crypto MSCAPI module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.crypto.mscapi.jmod.

JDK 11 Crypto MSCAPI module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Crypto MSCAPI module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.crypto.mscapi.

You can click and view the content of each source code file in the list below.

⏎ sun/security/mscapi/RSAKeyPairGenerator.java

/*
 * Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package sun.security.mscapi;

import java.util.UUID;
import java.security.*;
import java.security.spec.AlgorithmParameterSpec;
import java.security.spec.RSAKeyGenParameterSpec;

import sun.security.rsa.RSAKeyFactory;
import static sun.security.util.SecurityProviderConstants.DEF_RSA_KEY_SIZE;

/**
 * RSA keypair generator.
 *
 * Standard algorithm, minimum key length is 512 bit, maximum is 16,384.
 * Generates a private key that is exportable.
 *
 * @since 1.6
 */
public final class RSAKeyPairGenerator extends KeyPairGeneratorSpi {

    // Supported by Microsoft Base, Strong and Enhanced Cryptographic Providers
    static final int KEY_SIZE_MIN = 512; // disallow MSCAPI min. of 384
    static final int KEY_SIZE_MAX = 16384;

    // size of the key to generate, KEY_SIZE_MIN <= keySize <= KEY_SIZE_MAX
    private int keySize;

    public RSAKeyPairGenerator() {
        // initialize to default in case the app does not call initialize()
        initialize(DEF_RSA_KEY_SIZE, null);
    }

    // initialize the generator. See JCA doc
    // random is always ignored
    public void initialize(int keySize, SecureRandom random) {

        try {
            RSAKeyFactory.checkKeyLengths(keySize, null,
                KEY_SIZE_MIN, KEY_SIZE_MAX);
        } catch (InvalidKeyException e) {
            throw new InvalidParameterException(e.getMessage());
        }

        this.keySize = keySize;
    }

    // second initialize method. See JCA doc
    // random and exponent are always ignored
    public void initialize(AlgorithmParameterSpec params, SecureRandom random)
            throws InvalidAlgorithmParameterException {

        int tmpSize;
        if (params == null) {
            tmpSize = DEF_RSA_KEY_SIZE;
        } else if (params instanceof RSAKeyGenParameterSpec) {

            if (((RSAKeyGenParameterSpec) params).getPublicExponent() != null) {
                throw new InvalidAlgorithmParameterException
                    ("Exponent parameter is not supported");
            }
            tmpSize = ((RSAKeyGenParameterSpec) params).getKeysize();

        } else {
            throw new InvalidAlgorithmParameterException
                ("Params must be an instance of RSAKeyGenParameterSpec");
        }

        try {
            RSAKeyFactory.checkKeyLengths(tmpSize, null,
                KEY_SIZE_MIN, KEY_SIZE_MAX);
        } catch (InvalidKeyException e) {
            throw new InvalidAlgorithmParameterException(
                "Invalid Key sizes", e);
        }

        this.keySize = tmpSize;
    }

    // generate the keypair. See JCA doc
    public KeyPair generateKeyPair() {

        try {

            // Generate each keypair in a unique key container
            RSAKeyPair keys =
                generateRSAKeyPair(keySize,
                    "{" + UUID.randomUUID().toString() + "}");

            return new KeyPair(keys.getPublic(), keys.getPrivate());

        } catch (KeyException e) {
            throw new ProviderException(e);
        }
    }

    private static native RSAKeyPair generateRSAKeyPair(int keySize,
        String keyContainerName) throws KeyException;
}

⏎ sun/security/mscapi/RSAKeyPairGenerator.java

 

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