# Reissue Supplementary CSR Certificate - ReIssueCertificateCSRInfo

## Overview

Reissue Supplementary CSR Certificate






## Definition

### Public Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **Action**     | string  | Corresponding API command name, the current API is `ReIssueCertificateCSRInfo`.                      | **Yes** |
| **PublicKey**  | string  | The user's public key can be obtained from [Console](https://console.genesissai.com/uaccount/api_manage)                                             | **Yes** |
| **Signature**  | string  | User signature generated based on public key and API command, see [Signature Algorithm](/docs/api/summary/signature.md)  | **Yes** |

### Request Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **CertificateID** | int | Certificate Number |**Yes**|
| **CSROnline** | string | CSR source 0 - Local paste, 1 - Online generation |**Yes**|
| **CSR** | string | csr  CSROnline=0 is required when filled |No|
| **CSREncryptAlgo** | string | Encryption algorithm Required when CSROnline=1<br />Supports RSA, ECDSA, SM2 three values |No|
| **CSRKeyParameter** | string | Parameters of the encryption algorithm are required when CSROnline=1<br />1. RSA supports 2048,3072,4096 <br />2. ECDSA supports p256,p384,p512 <br />3. SM2 supports p256 |No|
| **Domains** | string | Domain name, multiple domain names are separated by commas |No|

### Response Field

| Field Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **RetCode** | int | Return status code. If it is 0, it means successful return. If it is not 0, it means failure. |**Yes**|
| **Action** | string | Operation command name. |**Yes**|
| **Message** | string | Returns an error message, providing detailed description when `RetCode` is non-zero. |No|




## Example

### Request Example
    
```
https://api.genesissai.com/?Action=ReIssueCertificateCSRInfo
&CertificateID=2
&CsrEncryptAlgo=ECDSA
&CsrKeyParameter=p256
&Domains=www.test1.com
&CSROnline=0
&CSR=a1b2c3d4f5a2b3c4d5f6
```

### Response Example
    
```json
{
  "Action": "ReIssueCertificateCSRInfoResponse",
  "RetCode": 0
}
```