HarmonyOS 鸿蒙Next AES-CBC加解密

aes ebc 参考此代码demo实例

import { buffer, util } from '[@kit](/user/kit).ArkTS';

[@Entry](/user/Entry)

[@Component](/user/Component)

struct AESCBCCrypto {

  [@State](/user/State) message: string = '点击开始';

  build() {

    Row() {

      Column() {

        Text(this.message)

          .fontSize(50)

          .fontWeight(FontWeight.Bold)

          .onClick(() => {

            // aesEBC()

          })

      }

      .width('100%')

    }

    .height('100%')

  }

}

async function aesEBC() {

  try {

    // symKey 为服务器传入公钥  plainText 为 需要加密的明文

    let encryptText = encryptMessage(symKey, plainText);

    let decryptText = decryptMessage(symKey, encryptText);

    if (plainText.data.toString() === decryptText.data.toString()) {

      console.info('decrypt ok');

      console.info('decrypt ok');

      console.info('decrypt plainText: ' + buffer.from(decryptText.data).toString('utf-8'));

    } else {

      console.error('decrypt failed');

    }

  }catch (error){

    console.error(JSON.stringify(error));

  }

}

// 加密消息

function encryptMessage(symKey: cryptoFramework.SymKey, plainText: cryptoFramework.DataBlob) {

  let cipher = cryptoFramework.createCipher('AES128|ECB|PKCS7');

  cipher.initSync(cryptoFramework.CryptoMode.ENCRYPT_MODE, symKey, null);

  let cipherData = cipher.doFinalSync(plainText);

  return cipherData;

}

// 解密消息

function decryptMessage(symKey: cryptoFramework.SymKey, cipherText: cryptoFramework.DataBlob) {

  let decoder = cryptoFramework.createCipher('AES128|ECB|PKCS7');

  decoder.initSync(cryptoFramework.CryptoMode.DECRYPT_MODE, symKey, null);

  let decryptData = decoder.doFinalSync(cipherText);

  return decryptData;

}