saga-service/saga-service-base/src/main/kotlin/com/sybotan/service/utils/crypt/SCoderUtil.kt

/*
 * ********************************************************************************************************************
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 *           .UB  OOGDM. MK,                                          Copyright (c) 2015-2019.  斯伯坦机器人
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 *
 * ********************************************************************************************************************
 */

package com.sybotan.service.utils.crypt

import java.security.MessageDigest
import java.security.NoSuchAlgorithmException

/**
 * 基础加密组件
 *
 * @author Andy
 */
abstract class SCoderUtil {
    companion object {
        /** SHA算法 */
        const val KEY_SHA = "SHA"
        /** MD5算法 */
        const val KEY_MD5 = "MD5"
        /**
         * MAC算法可选以下多种算法
         *
         *
         * <pre>
         * HmacMD5
         * HmacSHA1
         * HmacSHA256
         * HmacSHA384
         * HmacSHA512
        </pre> *
         */
        const val KEY_MAC = "HmacMD5"

        /**
         * MD5加密
         *
         * @param data
         * @return
         * @throws NoSuchAlgorithmException
         * @throws Exception
         */
        @Throws(NoSuchAlgorithmException::class)
        fun encryptMD5(data: ByteArray): ByteArray {
            val md5 = MessageDigest.getInstance(KEY_MD5)
            md5.update(data)
            return md5.digest()
        } // Fun encryptMD5()

        /**
         * SHA加密
         *
         * @param data
         * @return
         * @throws NoSuchAlgorithmException
         * @throws Exception
         */
        @Throws(NoSuchAlgorithmException::class)
        fun encryptSHA(data: ByteArray): ByteArray {
            val sha = MessageDigest.getInstance(KEY_SHA)
            sha.update(data)
            return sha.digest()
        } // Fun encryptSHA()
    }

} // Class SCoderUtil