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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
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package org.openjdk.bench.javax.crypto.full;

import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Setup;

import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;

public class KeyPairGeneratorBench extends CryptoBase {

    private KeyPairGenerator generator;

    @Param({"DSA", "DiffieHellman"})
    private String algorithm;

    @Param({"1024", "2048"})
    private int keyLength;

    @Setup
    public void setup() throws NoSuchAlgorithmException {
        setupProvider();
        generator = (prov == null) ? KeyPairGenerator.getInstance(algorithm)
                                : KeyPairGenerator.getInstance(algorithm, prov);
        if (keyLength > 0) { // not all key pair generators allow the use of key length
            generator.initialize(keyLength);
        }
    }

    @Benchmark
    public KeyPair generateKeyPair() {
        return generator.generateKeyPair();
    }

    public static class RSA extends KeyPairGeneratorBench {

        @Param({"RSA"})
        private String algorithm;

        @Param({"1024", "2048", "3072", "4096"})
        private int keyLength;
    }

    public static class RSASSAPSS extends KeyPairGeneratorBench {

        @Param({"RSASSA-PSS"})
        private String algorithm;

        @Param({"1024", "2048", "3072", "4096"})
        private int keyLength;
    }

    public static class EC extends KeyPairGeneratorBench {

        @Param({"EC"})
        private String algorithm;

        @Param({"256", "384", "521"})
        private int keyLength;
    }

    public static class EdDSA extends KeyPairGeneratorBench {

        @Param({"EdDSA"})
        private String algorithm;

        @Param({"255", "448"})
        private int keyLength;
    }

    public static class XDH extends KeyPairGeneratorBench {

        @Param({"XDH"})
        private String algorithm;

        @Param({"255", "448"})
        private int keyLength;
    }

    public static class MLDSA extends KeyPairGeneratorBench {

        @Param({"ML-DSA-44", "ML-DSA-65", "ML-DSA-87" })
        private String algorithm;

        @Param({"0"}) // ML-DSA key length is not supported
        private int keyLength;
    }

    public static class MLKEM extends KeyPairGeneratorBench {

        @Param({"ML-KEM-512", "ML-KEM-768", "ML-KEM-1024" })
        private String algorithm;

        @Param({"0"}) // ML-KEM key length is not supported
        private int keyLength;
    }

}