HarmonyOS 鸿蒙Next native 侧进行加解密异常

HarmonyOS 鸿蒙Next native 侧进行加解密异常

#include "napi/native_api.h"
#include "CryptoArchitectureKit/crypto_common.h"
#include "CryptoArchitectureKit/crypto_sym_key.h"
#include <CryptoArchitectureKit/crypto_sym_cipher.h>
#include <vector>
#include <string>

/**
* Crypto_DataBlob 转为 string
*
* @param env
* @param dataBlob
* @return
*/
static napi_value dataBlobToString(napi_env env, Crypto_DataBlob dataBlob) {
napi_status status;
napi_value str;
char *data = reinterpret_cast<char *>(dataBlob.data);
status = napi_create_string_utf8(env, data, strlen(data), &str);
if (status != napi_ok) {
return nullptr;
}
return str;
}

/**
* 加密
*
* @param env
* @param info
* @return
*/
static napi_value encrypt(napi_env env, napi_callback_info info) {
// 期望从ArkTS侧获取的参数的数量，napi_value可理解为ArkTS value在native方法中的表现形式。
size_t argc = 1;
napi_value args[1] = {nullptr};
// 从info中，拿到从ArkTS侧传递过来的参数。
napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);
char buffer[256];
size_t buffer_length;
napi_get_value_string_utf8(env, args[0], buffer, buffer_length, &buffer_length);
napi_value encryptStr;
OH_CryptoSymKeyGenerator *ctx = nullptr;
OH_CryptoSymKey *keyCtx = nullptr;
OH_CryptoSymCipher *encCtx = nullptr;
OH_CryptoSymCipherParams *params = nullptr;
Crypto_DataBlob outUpdate = {.data = nullptr, .len = 0};
char *keyText = const_cast<char *>("7O0NAf60YFskefcajosoESb9d8fZse9B");
Crypto_DataBlob keyBlob = {.data = (uint8_t *)(keyText), .len = strlen(keyText)};
char *contentText = const_cast<char *>(buffer);
Crypto_DataBlob contentBlob = {.data = (uint8_t *)(contentText), .len = strlen(contentText)};
uint8_t iv[16] = {1, 2, 4, 12, 3, 4, 2, 3, 3, 2, 0, 4, 3, 1, 0, 10}; // iv使用安全随机数生成
Crypto_DataBlob ivBlob = {.data = iv, .len = sizeof(iv)};
OH_Crypto_ErrCode ret;
// 二进制数据转换AES密钥
ret = OH_CryptoSymKeyGenerator_Create("AES128", &ctx);
if (ret != CRYPTO_SUCCESS) {
goto end;
}
ret = OH_CryptoSymKeyGenerator_Convert(ctx, &keyBlob, &keyCtx);
if (ret != CRYPTO_SUCCESS) {
goto end;
}

// 设置参数
ret = OH_CryptoSymCipherParams_Create(&params);
if (ret != CRYPTO_SUCCESS) {
goto end;
}
ret = OH_CryptoSymCipherParams_SetParam(params, CRYPTO_IV_DATABLOB, &ivBlob);
if (ret != CRYPTO_SUCCESS) {
goto end;
}

// 加密
ret = OH_CryptoSymCipher_Create("AES128|CBC|PKCS7", &encCtx);
if (ret != CRYPTO_SUCCESS) {
goto end;
}
ret = OH_CryptoSymCipher_Init(encCtx, CRYPTO_ENCRYPT_MODE, keyCtx, params);
if (ret != CRYPTO_SUCCESS) {
goto end;
}
ret = OH_CryptoSymCipher_Final(encCtx, &contentBlob, &outUpdate);
if (ret != CRYPTO_SUCCESS) {
goto end;
}
encryptStr = dataBlobToString(env, outUpdate);
end:
OH_CryptoSymKeyGenerator_Destroy(ctx);
OH_CryptoSymKey_Destroy(keyCtx);
OH_CryptoSymCipherParams_Destroy(params);
OH_CryptoSymCipher_Destroy(encCtx);
OH_CryptoSymKey_Destroy(keyCtx);
OH_Crypto_FreeDataBlob(&keyBlob);
OH_Crypto_FreeDataBlob(&contentBlob);
OH_Crypto_FreeDataBlob(&outUpdate);
return encryptStr;
}

arkTs 侧调用上面 encrypt() 方法一直报错