HarmonyOS 鸿蒙Next AES加解密报错

HarmonyOS 鸿蒙Next AES加解密报错
<markdown _ngcontent-xce-c149="" class="markdownPreContainer">

export default class AESUtils {
static async aesEncryptString(data: string): Promise<string> {
let symKey = await genSymKeyByData(new Uint8Array(buffer.from(‘IaR90VTAdg2ZBRYT’, ‘utf-8’).buffer));
let plainText: cryptoFramework.DataBlob = {
data: new Uint8Array(buffer.from(data, ‘utf-8’).buffer)
};
let encryptText = await encryptMessagePromise(symKey, plainText);
return new util.Base64Helper().encodeToString(encryptText.data)
}

static async aesDecryptString(data: string): Promise<string> {
let symKey = await genSymKeyByData(new Uint8Array(buffer.from(‘IaR90VTAdg2ZBRYT’, ‘utf-8’).buffer))
let plainText: cryptoFramework.DataBlob = {
data: new Uint8Array(buffer.from(data, ‘utf-8’).buffer)
};
let decryptText = await decryptMessagePromise(symKey, plainText)
return new util.Base64Helper().encodeToString(decryptText.data)
}
}
async function encryptMessagePromise(symKey: cryptoFramework.SymKey, plainText: cryptoFramework.DataBlob) {
let cipher = cryptoFramework.createCipher(‘AES128|CBC|PKCS7’);
let iv = genIvParamsSpec();
await cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, symKey, iv);
let cipherData = await cipher.doFinal(plainText);
return cipherData;
}
// 解密消息
async function decryptMessagePromise(symKey: cryptoFramework.SymKey, cipherText: cryptoFramework.DataBlob) {
let decoder = cryptoFramework.createCipher(‘AES128|CBC|PKCS7’);
let iv = genIvParamsSpec();
await decoder.init(cryptoFramework.CryptoMode.DECRYPT_MODE, symKey, iv);
let decryptData = await decoder.doFinal(cipherText);
return decryptData;
}
function genIvParamsSpec() {
let ivBlob: cryptoFramework.DataBlob = { data: new Uint8Array(buffer.from(‘A-16-Byte-String’, ‘utf-8’).buffer) };
let ivParamsSpec: cryptoFramework.IvParamsSpec = {
algName: “IvParamsSpec”,
iv: ivBlob
};
return ivParamsSpec;
}
async function genSymKeyByData(symKeyData: Uint8Array) {
let symKeyBlob: cryptoFramework.DataBlob = { data: symKeyData };
let aesGenerator = cryptoFramework.createSymKeyGenerator(‘AES128’);
let symKey = await aesGenerator.convertKey(symKeyBlob);
return symKey
}
<button style="position: absolute; padding: 4px 8px 0px; cursor: pointer; top: 4px; right: 8px; font-size: 14px;">复制</button>

上面的代码AES加密没问题，但是解密的时候会报错17630001，参考了这个文档：https://developer.huawei.com/consumer/cn/doc/harmonyos-guides-V5/crypto-aes-sym-encrypt-decrypt-cbc-V5

没定位出问题，有大佬能帮忙分析下吗？