HarmonyOS 加解密 demo

//加密 
async function aesEncrypt(text:string,puKey:string): Promise<string>{ 
  let globalResult = "" 
  try { 
    let cipherAlgName = 'AES128|ECB|PKCS7'; 
    let globalCipher = cryptoFramework.createCipher(cipherAlgName); 
    let symAlgName = 'AES128'; 
    let symKeyGenerator = cryptoFramework.createSymKeyGenerator(symAlgName); 
    let dataUint8Array = base.decodeSync(puKey) 
    let keyBlob: cryptoFramework.DataBlob = { data: dataUint8Array } 
    let promiseSymKey = await symKeyGenerator.convertKey(keyBlob) 
    await globalCipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, promiseSymKey, null); 
    let result = await globalCipher.doFinal({data:stringToUint8Array(text)}) 
    globalResult = base.encodeToStringSync(result.data); 
  } catch (err) { 
    console.log(err.message) 
  } 
  return globalResult; 
} 
// 解密 
async function aesDecrypt(text: string, key: string) { 
  let globalResult = "" 
  try { 
    let cipherAlgName = 'AES128|ECB|PKCS7'; 
    let globalCipher = cryptoFramework.createCipher(cipherAlgName); 
    let symAlgName = 'AES128'; 
    let symKeyGenerator = cryptoFramework.createSymKeyGenerator(symAlgName); 
    let dataUint8Array = base.decodeSync(key) 
    let keyBlob: cryptoFramework.DataBlob = { data: dataUint8Array } 
    let promiseSymKey = await symKeyGenerator.convertKey(keyBlob) 
    await globalCipher.init(cryptoFramework.CryptoMode.DECRYPT_MODE, promiseSymKey, null); 
    let plainText: cryptoFramework.DataBlob = { data: base.decodeSync(text) } 
    let result = await globalCipher.doFinal(plainText) 
    globalResult = uint8ArrayToString(result.data); 
    console.log("解密后的明文==》" + globalResult) 
  } catch (err) { 
    console.log(err.message) 
  } 
}