---
sidebar_position: 5
description: Set OAuth V1 algorithm  and other functions to work with HTTP-client in the Open Integration Package, a free open-source integration library for 1C:Enterprise 8, OneScript and CLI
keywords: [1C, 1С, 1С:Enterprise, 1С:Enterprise 8.3, API, Integration, Services, Exchange, OneScript, CLI, HTTP-client]
---

import Tabs from '@theme/Tabs';
import TabItem from '@theme/TabItem';

# Set OAuth V1 algorithm 
 Changes the algorithm for OAuth signatures



`Function SetOAuthV1Algorithm(Val Algorithm, Val HashFunction) Export`

  | Parameter | CLI option | Type | Required | Description |
  |-|-|-|-|-|
  | Algorithm | - | String | ✔ | Encryption algorithm: HMAC, RSA |
  | HashFunction | - | String | ✔ | Hash function for signature: SHA1, SHA256 |

  
  Returns:  DataProcessorObject.OPI_HTTPClient - This processor object

<br/>


:::caution
**NOCLI:** this method is not available in CLI version
:::
<br/>


```bsl title="1C:Enterprise/OneScript code example"
    URL = "https://bin.openintegrations.dev";
    URL = URL + "/get";

    Token       = "***";
    Secret      = "***";
    UsersKey    = "***";
    UsersSecret = "***";
    Version     = "1.0";

    Result = OPI_HTTPRequests.NewRequest()
        .Initialize(URL)
        .AddOAuthV1Authorization(Token, Secret, UsersKey, UsersSecret, Version)
        .SetOAuthV1Algorithm("HMAC", "SHA1") // <---
        .ProcessRequest("GET")
        .ReturnResponseAsJSONObject();
```
 



```json title="Result"
{
 "args": {},
 "headers": {
  "Accept": "*/*",
  "Accept-Charset": "utf-8",
  "Accept-Encoding": "gzip",
  "Authorization": "OAuth oauth_consumer_key=\"***\",oauth_token=\"***\",oauth_signature_method=\"HMAC-SHA1\",oauth_timestamp=\"1757978530\",oauth_nonce=\"1757978530\",oauth_version=\"1.0\",oauth_signature=C42dwKSKZeoA6Sxvl3tfIF2zs74%3D",
  "Content-Length": "0",
  "Host": "httpbin.org",
  "User-Agent": "1Script v$2.0.0.0",
  "X-Amzn-Trace-Id": "Root=1-68c8adb2-5af4c5492f4638f15b678b39"
 },
 "origin": "***",
 "url": "https://httpbin.org/get"
}
```