# 创建EC数据密钥对 - CreateEcDatakeyPair #### 功能介绍 - 功能介绍：创建EC数据密钥对，返回结果包含明文公钥和密文私钥，根据参数决定是否返回明文私钥。 #### 调用方法 请参见[如何调用API](https://support.huaweicloud.com/api-dew/dew_02_0002.html)。 #### 授权信息 账号具备所有API的调用权限，如果使用账号下的IAM用户调用当前API，该IAM用户需具备调用API所需的权限。 - 如果使用角色与策略授权，具体权限要求请参见[权限和授权项](https://support.huaweicloud.com/api-dew/dew_02_0308.html)。 - 如果使用身份策略授权，需具备如下身份策略权限。 | 授权项 | 访问级别 | 资源类型（\*为必须） | 条件键 | 别名 | 依赖的授权项 | |:---|:---|:---|:---|:---|:---| | kms:cmk:createDataKeyPair | Write | KeyId \* | - kms:KeyOrigin - kms:KeySpec - kms:KeyUsage - kms:MultiRegionKeyType - g:EnterpriseProjectId - g:ResourceTag/\ | - | - | | kms:cmk:createDataKeyPair | Write | - | - kms:RecipientAttestation/\ - kms:RequestAlias - kms:ResourceAliases - kms:EncryptionContext | - | - | #### URI POST /v1.0/{project_id}/kms/create-ec-datakey-pair 表1路径参数 | 参数 | 是否必选 | 参数类型 | 描述 | |:---|:---|:---|:---| | project_id | 是 | String | **参数解释：** 项目ID，用于唯一标识用户项目。可参考[获取项目ID](https://support.huaweicloud.com/api-dew/dew_02_0009.html)获取，以IAM服务接口返回值为准 **约束限制：** 不涉及 **取值范围：** 字符长度32-32。 **默认取值：** 不涉及 | #### 请求参数 表2请求Header参数 | 参数 | 是否必选 | 参数类型 | 描述 | |:---|:---|:---|:---| | X-Auth-Token | 是 | String | **参数解释：** 用户Token。 通过调用IAM服务查询用户Token接口获取（响应消息头中X-Subject-Token的值），以IAM服务查询用户Token接口为准 **约束限制：** 不涉及 **取值范围：** 不涉及 **默认取值：** 不涉及 | 表3请求Body参数 | 参数 | 是否必选 | 参数类型 | 描述 | |:---|:---|:---|:---| | key_id | 是 | String | **参数解释：** 密钥ID **约束限制：** - 36字节ID - 满足正则匹配"\^\[0-9a-z\]{8}-\[0-9a-z\]{4}-\[0-9a-z\]{4}-\[0-9a-z\]{4}-\[0-9a-z\]{12}$" **取值范围：** 不涉及 **默认取值：** 不涉及 | | key_spec | 是 | String | **参数解释：** 需要包含算法、长度、曲线信息 **约束限制：** 不涉及 **取值范围：** - ECC_NIST_P256 表示NIST P-256密钥算法 - ECC_NIST_P384 表示NIST P-384密钥算法 - ECC_NIST_P521 表示NIST P-521密钥算法 - ECC_SECG_P256K1 表示SECG secp256k1密钥算法 - SM2 表示国密SM2密钥算法 **默认取值：** 不涉及 | | with_plain_text | 否 | Boolean | **参数解释：** 是否返回明文私钥 **约束限制：** 不涉及 **取值范围：** - true - false **默认取值：** true | | additional_authenticated_data | 否 | String | **参数解释：** 认证加密的额外信息，请不要填写敏感信息 **约束限制：** 不涉及 **取值范围：** 不涉及 **默认取值：** 不涉及 | | sequence | 否 | String | **参数解释：** 请求消息序列号，36字节序列号，例如：919c82d4-8046-4722-9094-35c3c6524cff **约束限制：** 不涉及 **取值范围：** 不涉及 **默认取值：** 不涉及 | #### 响应参数 **状态码：200** 表4响应Body参数 | 参数 | 参数类型 | 描述 | |:---|:---|:---| | key_id | String | **参数解释：** 密钥ID **取值范围：** 不涉及 | | key_spec | String | **参数解释：** 算法 **取值范围：** - RSA_2048 表示RSA 2048位非对称加密算法 - RSA_3072 表示RSA 3072位非对称加密算法 - RSA_4096 表示RSA 4096位非对称加密算法 - ECC_NIST_P256 表示NIST P-256密钥算法 - ECC_NIST_P384 表示NIST P-384密钥算法 - ECC_NIST_P521 表示NIST P-521密钥算法 - ECC_SECG_P256K1 表示SECG secp256k1密钥算法 - SM2 表示国密SM2密钥算法 | | public_key | String | **参数解释：** 明文公钥信息 **取值范围：** 不涉及 | | private_key_cipher_text | String | **参数解释：** 密文私钥 **取值范围：** 不涉及 | | private_key_plain_text | String | **参数解释：** 明文私钥。private_key_plain_text、wrapped_private_key和ciphertext_recipient只能有一个有值 **取值范围：** 不涉及 | | wrapped_private_key | String | **参数解释：** 由自定义私钥加密的密文私钥。private_key_plain_text、wrapped_private_key和ciphertext_recipient只能有一个有值 **取值范围：** 不涉及 | | ciphertext_recipient | String | **参数解释：** 由擎天公钥信息加密的密文私钥。private_key_plain_text、wrapped_private_key和ciphertext_recipient只能有一个有值 **取值范围：** 不涉及 | #### 请求示例 ``` { "key_id" : "0d0466b0-e727-4d9c-b35d-f84bb474a37f", "key_spec" : "ECC_NIST_P256", "with_plain_text" : true, "additional_authenticated_data" : "aad", "sequence" : "sequence" } ``` #### 响应示例 **状态码：200** ``` { "key_id" : "0d0466b0-e727-4d9c-b35d-f84bb474a37f", "key_spec" : "ECC_NIST_P256", "public_key" : "public_key", "private_key_cipher_text" : "private_key_cipher_text", "private_key_plain_text" : "private_key_plain_text", "wrapped_private_key" : "wrapped_private_key", "ciphertext_recipient" : "ciphertext_recipient" } ``` #### SDK代码示例 SDK代码示例如下。 - [Java] ``` package com.huaweicloud.sdk.test; import com.huaweicloud.sdk.core.auth.ICredential; import com.huaweicloud.sdk.core.auth.BasicCredentials; 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.kms.v2.region.KmsRegion; import com.huaweicloud.sdk.kms.v2.*; import com.huaweicloud.sdk.kms.v2.model.*; public class CreateEcDatakeyPairSolution { 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"); String projectId = "{project_id}"; ICredential auth = new BasicCredentials() .withProjectId(projectId) .withAk(ak) .withSk(sk); KmsClient client = KmsClient.newBuilder() .withCredential(auth) .withRegion(KmsRegion.valueOf("")) .build(); CreateEcDatakeyPairRequest request = new CreateEcDatakeyPairRequest(); CreateEcDatakeyPairRequestBody body = new CreateEcDatakeyPairRequestBody(); body.withSequence("sequence"); body.withAdditionalAuthenticatedData("aad"); body.withWithPlainText(true); body.withKeySpec(CreateEcDatakeyPairRequestBody.CreateEcDatakeyPairRequestBody.fromValue("ECC_NIST_P256")); body.withKeyId("0d0466b0-e727-4d9c-b35d-f84bb474a37f"); request.withBody(body); try { CreateEcDatakeyPairResponse response = client.createEcDatakeyPair(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] ``` # coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkkms.v2.region.kms_region import KmsRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkkms.v2 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"] projectId = "{project_id}" credentials = BasicCredentials(ak, sk, projectId) client = KmsClient.new_builder() \ .with_credentials(credentials) \ .with_region(KmsRegion.value_of("")) \ .build() try: request = CreateEcDatakeyPairRequest() request.body = CreateEcDatakeyPairRequestBody( sequence="sequence", additional_authenticated_data="aad", with_plain_text=True, key_spec="ECC_NIST_P256", key_id="0d0466b0-e727-4d9c-b35d-f84bb474a37f" ) response = client.create_ec_datakey_pair(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] ``` package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" kms "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kms/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kms/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kms/v2/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") projectId := "{project_id}" auth, err := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). SafeBuild() if err != nil { fmt.Println(err) return } hcClient, err := kms.KmsClientBuilder(). WithRegion(region.ValueOf("")). WithCredential(auth). SafeBuild() if err != nil { fmt.Println(err) return } client := kms.NewKmsClient(hcClient) request := &model.CreateEcDatakeyPairRequest{} sequenceCreateEcDatakeyPairRequestBody:= "sequence" additionalAuthenticatedDataCreateEcDatakeyPairRequestBody:= "aad" withPlainTextCreateEcDatakeyPairRequestBody:= true request.Body = &model.CreateEcDatakeyPairRequestBody{ Sequence: &sequenceCreateEcDatakeyPairRequestBody, AdditionalAuthenticatedData: &additionalAuthenticatedDataCreateEcDatakeyPairRequestBody, WithPlainText: &withPlainTextCreateEcDatakeyPairRequestBody, KeySpec: model.GetCreateEcDatakeyPairRequestBodyKeySpecEnum().ECC_NIST_P256, KeyId: "0d0466b0-e727-4d9c-b35d-f84bb474a37f", } response, err := client.CreateEcDatakeyPair(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } ``` - [更多] 更多编程语言的SDK代码示例，请参见[API Explorer](https://console.huaweicloud.com/apiexplorer/#/openapi/KMS/sdk?api=CreateEcDatakeyPair)的代码示例页签，可生成自动对应的SDK代码示例。 #### 状态码 | 状态码 | 描述 | |:---|:---| | 200 | 请求已成功 | #### 错误码 请参见[错误码](https://support.huaweicloud.com/api-dew/ErrorCode.html)。