

```
1. typedef struct OH_CryptoEccSignatureSpec OH_CryptoEccSignatureSpec
```

## 概述

PhonePC/2in1TabletTVWearable

定义ECC签名规范结构体。

**起始版本：** 20

**相关模块：** [CryptoSignatureApi](https://developer.huawei.com/consumer/cn/doc/harmonyos-references/capi-cryptosignatureapi)

**所在头文件：** [crypto\_signature.h](https://developer.huawei.com/consumer/cn/doc/harmonyos-references/capi-crypto-signature-h)