Updated on 2025-11-28 GMT+08:00

Parsing a CSR

Function

This API is used to parse a CSR.

Debugging

You can debug this API through automatic authentication in API Explorer or use the SDK sample code generated by API Explorer.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

  • If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.
  • If you are using identity policy-based authorization, no identity policy-based permission required for calling this API.

URI

POST /v1/private-certificates/csr/parse

Request Parameters

Table 1 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token. For details, see [Obtaining a User Token] (https://support.huaweicloud.com/intl/en-us/api-iam/iam_30_0001.html).

Table 2 Request body parameters

Parameter

Mandatory

Type

Description

csr

Yes

String

Certificate signature request. Use \r\n or \n to replace the newline characters in the CSR. The replacement is not required if this API is requested through the console.

Maximum: 5120

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

key_algorithm

String

Key algorithm.

key_algorithm_length

Integer

Length of the key algorithm, in bits.

signature_algorithm

String

Signature algorithm with a specific signature and hash algorithm, for example, SHA256withRSA.

public_key

String

Public key content.

NOTE:

The newline characters have been replaced with \r\n.

Minimum: 0

Maximum: 4096

distinguished_name

DistinguishedName object

Certificate name. For details, see data structure for the DistinguishedName field.

Table 4 DistinguishedName

Parameter

Type

Description

common_name

String

Common name (CN) of a certificate. The value can contain a maximum of 64 characters, including only letters, digits, spaces, Chinese characters, hyphens (-), underscores (_), periods (.), commas (,), and asterisks (*).

Minimum: 1

Maximum: 64

country

String

Country code. The value is a string of two characters and can contain only letters.

Minimum: 2

Maximum: 2

state

String

Name of a province or city. The value can contain a maximum of 128 characters, including only letters, digits, Chinese characters, spaces, hyphens (-), underscores (_), periods (.), and commas (,).

Minimum: 1

Maximum: 128

locality

String

Region name. The value can contain a maximum of 128 characters, including only letters, digits, Chinese characters, spaces, hyphens (-), underscores (_), periods (.), and commas (,).

Minimum: 1

Maximum: 128

organization

String

Organization name. The value can contain a maximum of 64 characters, including only letters, digits, Chinese characters, spaces, hyphens (-), underscores (_), periods (.), and commas (,).

Minimum: 1

Maximum: 64

organizational_unit

String

Organization unit name. The value can contain a maximum of 64 characters, including only letters, digits, Chinese characters, spaces, hyphens (-), underscores (_), periods (.), and commas (,).

Minimum: 1

Maximum: 64

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

error_code

String

Error code

Minimum: 3

Maximum: 36

error_msg

String

Error message

Minimum: 0

Maximum: 1024

Status code: 401

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code

Minimum: 3

Maximum: 36

error_msg

String

Error message

Minimum: 0

Maximum: 1024

Status code: 403

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Error code

Minimum: 3

Maximum: 36

error_msg

String

Error message

Minimum: 0

Maximum: 1024

Status code: 404

Table 8 Response body parameters

Parameter

Type

Description

error_code

String

Error code

Minimum: 3

Maximum: 36

error_msg

String

Error message

Minimum: 0

Maximum: 1024

Status code: 500

Table 9 Response body parameters

Parameter

Type

Description

error_code

String

Error code

Minimum: 3

Maximum: 36

error_msg

String

Error message

Minimum: 0

Maximum: 1024

Example Requests

When you call this API, a token with the permission to use this API is mandatory for the X-Auth-Token field.

POST https://ccm.cn-north-4.myhuaweicloud.com/v1/private-certificates/csr/parse

{
  "csr" : "-----BEGIN CERTIFICATE REQUEST-----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\\n-----END CERTIFICATE REQUEST-----"
}

Example Responses

Status code: 200

Request succeeded.

{
  "distinguished_name" : {
    "country" : "CN",
    "state" : "sichuan",
    "locality" : "chengdu",
    "organization" : "HW",
    "organizational_unit" : "IT",
    "common_name" : "test.com"
  },
  "public_key" : "-----BEGIN PUBLIC KEY-----\r\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx1EX1JfOXquoFDjVi67T\r\npF4kFwetNnLwC0ZQtOK3fftX4/rkHwdGdsYAalzLz2ltlgbtLJHeKaNnjlqTL8bn\r\n0DVIxww6ZP6VaxpfKXaJ76GxDdvb5kp8yRFUAK8N2YQ0UIcsFoXn2CAx1dOtAaNF\r\nO+HwooRnp6GekZaRSYS2bk4olkQ83/2WkkTGC+tAmjSFG7AIY8jaO5RgX40YGANh\r\nU9UGOo8xCxux8k2dsXRnY+fxRiLWphiT2ij4CYURagETbKuRl9WOI+HFVkmIU/0p\r\n3FWqB0RdrRTEcAC+S5fmW75E85rAMh9f65wa/6eWcM6vlnby4Bbm1mcJdR3olgKJ\r\nUQIDAQAB\r\n-----END PUBLIC KEY-----\r\n",
  "key_algorithm" : "RSA",
  "key_algorithm_length" : 2048,
  "signature_algorithm" : "SHA256withRSA"
}

Status code: 400

Invalid request parameters.

{
  "error_code" : "PCA.XXX",
  "error_msg" : "XXX"
}

Status code: 401

Token required for the requested page.

{
  "error_code" : "PCA.XXX",
  "error_msg" : "XXX"
}

Status code: 403

Authentication failed.

{
  "error_code" : "PCA.XXX",
  "error_msg" : "XXX"
}

Status code: 404

No resources available or found.

{
  "error_code" : "PCA.XXX",
  "error_msg" : "XXX"
}

Status code: 500

Internal service error.

{
  "error_code" : "PCA.XXX",
  "error_msg" : "XXX"
}

SDK Sample Code

The SDK sample code is as follows.

Java

When you call this API, a token with the permission to use this API is mandatory for the X-Auth-Token field.

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.GlobalCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.ccm.v1.region.CcmRegion;
import com.huaweicloud.sdk.ccm.v1.*;
import com.huaweicloud.sdk.ccm.v1.model.*;


public class ParseCertificateSigningRequestSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");

        ICredential auth = new GlobalCredentials()
                .withAk(ak)
                .withSk(sk);

        CcmClient client = CcmClient.newBuilder()
                .withCredential(auth)
                .withRegion(CcmRegion.valueOf("<YOUR REGION>"))
                .build();
        ParseCertificateSigningRequestRequest request = new ParseCertificateSigningRequestRequest();
        ParseCertificateSigningRequestRequestBody body = new ParseCertificateSigningRequestRequestBody();
        body.withCsr("-----BEGIN CERTIFICATE REQUEST-----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\n-----END CERTIFICATE REQUEST-----");
        request.withBody(body);
        try {
            ParseCertificateSigningRequestResponse response = client.parseCertificateSigningRequest(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

Python

When you call this API, a token with the permission to use this API is mandatory for the X-Auth-Token field.

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import GlobalCredentials
from huaweicloudsdkccm.v1.region.ccm_region import CcmRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkccm.v1 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]

    credentials = GlobalCredentials(ak, sk)

    client = CcmClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(CcmRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ParseCertificateSigningRequestRequest()
        request.body = ParseCertificateSigningRequestRequestBody(
            csr="-----BEGIN CERTIFICATE REQUEST-----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\n-----END CERTIFICATE REQUEST-----"
        )
        response = client.parse_certificate_signing_request(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Go

When you call this API, a token with the permission to use this API is mandatory for the X-Auth-Token field.

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/global"
    ccm "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/ccm/v1"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/ccm/v1/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/ccm/v1/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")

    auth := global.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        Build()

    client := ccm.NewCcmClient(
        ccm.CcmClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ParseCertificateSigningRequestRequest{}
	request.Body = &model.ParseCertificateSigningRequestRequestBody{
		Csr: "-----BEGIN CERTIFICATE REQUEST-----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\n-----END CERTIFICATE REQUEST-----",
	}
	response, err := client.ParseCertificateSigningRequest(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

More

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

Request succeeded.

400

Invalid request parameters.

401

Token required for the requested page.

403

Authentication failed.

404

No resources available or found.

500

Internal service error.

Error Codes

See Error Codes.