package com.dji.sample.droneairport.utils.SM2;

import org.bouncycastle.crypto.InvalidCipherTextException;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.NoSuchAlgorithmException;
import java.util.Map;

public class Utils {

    /**
     * get key pair
     */
    public static Map<String, String> createKeyPair() throws NoSuchAlgorithmException {
        return SecretCommon.createKeyPair();
    }

    /**
     * encrypt
     * @param plainText 需加密的明文字符串
     * @param publicKey 公钥
     */
    public static String encrypt(String plainText, String publicKey) throws IOException, InvalidCipherTextException {
        return encrypt(plainText, publicKey, ModeTypeConstant.BASE);
    }

    /**
     * encrypt
     * @param plainText 需加密的明文字符串
     * @param publicKey 公钥
     * @param modeType base:标准；bc：BC模式
     */
    public static String encrypt(String plainText, String publicKey, String modeType) throws IOException, InvalidCipherTextException {
        return SecretCommon.encrypt(plainText, publicKey, ModeTypeConstant.getMode(modeType));
    }

    /**
     * decrypt
     * @param cipherText 需加密的字符串
     * @param privateKey 私钥
     */
    public static String decrypt(String cipherText, String privateKey) throws InvalidCipherTextException, UnsupportedEncodingException {
        return decrypt(cipherText, privateKey, ModeTypeConstant.BASE);
    }

    /**
     * decrypt
     * @param cipherText 需加密的字符串
     * @param privateKey 私钥
     * @param modeType base:标准；bc：BC模式
     */
    public static String decrypt(String cipherText, String privateKey, String modeType) throws InvalidCipherTextException, UnsupportedEncodingException {
        return SecretCommon.decrypt(cipherText, privateKey, ModeTypeConstant.getMode(modeType));
    }

}