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node

npm i crypto

import * as crypto from 'crypto'
/**
 * rsa 256签名
 * @param data
 */
export function createSign(key,data) {
    const sign = crypto.createSign('RSA-SHA256');
    sign.update(Buffer.from(data, 'utf-8'));
    const signature = sign.sign(key, 'base64');
    return signature
}
/**
 * 3des加密
 * @param symmetricKey
 * @param data
 */
export function encryptDESede(symmetricKey: Buffer, data: any) {
    // 3des-ecb -> des-ede3
    const cipher = crypto.createCipheriv(
        'des-ede3',
        symmetricKey,
        Buffer.alloc(0)
    )
    return cipher.update(data, 'utf8', 'base64') + cipher.final('base64')
}


/**
 * 3des解密
 * @param symmetricKey
 * @param data
 */
export function decryptDESede(symmetricKey: Buffer, data: any) {
    const decipher = crypto.createDecipheriv(
        'des-ede3',
        symmetricKey,
        Buffer.alloc(0)
    )
    return decipher.update(data, 'base64', 'utf8') +decipher.final('utf8')
}

java

        <dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>5.7.9</version>
        </dependency>

    /**
     * DESede 加密
     * @param text 加密内容
     * @param symmetricKey 加密所用的key
     * @return
     */
    public static  String encryption(String text,String symmetricKey){
        byte[] bytes = HexUtil.decodeHex(symmetricKey);

        return SecureUtil.desede(bytes).encryptBase64(text);
    }

	// 解密	
    public static String getDecryptedValue(String value, String key) throws Exception {
        if (null == value || "".equals(value)) {
            return "";
        }

        byte[] valueByte = org.apache.commons.codec.binary.Base64.decodeBase64(value);
        byte[] sl = decrypt3DES(valueByte, HexUtil.decodeHex(key));
        String result = new String(sl);
        return result;
    }

    public static byte[] decrypt3DES(byte[] input, byte[] key) throws Exception {
        Cipher c = Cipher.getInstance("DESede/ECB/PKCS5Padding");
        c.init(Cipher.DECRYPT_MODE, new SecretKeySpec(key, "DESede"));
        return c.doFinal(input);
    }