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doc-exports/docs/kms/umn/CLASS.TXT.json
qinweiwei 3e4721c813 KMS UMN 20251111 version 
Reviewed-by: Rogal, Marcel <mrogal@noreply.gitea.eco.tsi-dev.otc-service.com>
Co-authored-by: qinweiwei <qinweiwei@huawei.com>
Co-committed-by: qinweiwei <qinweiwei@huawei.com>
2026-01-19 09:05:54 +00:00

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[
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"kms",
"title":"Service Overview",
"uri":"dew_01_0091.html",
"doc_type":"usermanual",
"p_code":"",
"code":"1"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"kms",
"title":"KMS",
"uri":"dew_01_0121.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"2"
},
{
"desc":"KMS is a secure, reliable, and easy-to-use cloud service that helps users create, manage, and protect keys in a centralized manner.It uses Hardware Security Modules (HSMs",
"product_code":"kms",
"title":"Functions",
"uri":"dew_01_0001.html",
"doc_type":"usermanual",
"p_code":"2",
"code":"3"
},
{
"desc":"By integrating with OBS, EVS, and IMS, you can use KMS to manage the keys of the services or use KMS APIs to encrypt and decrypt local data.By integrating with Cloud Trac",
"product_code":"kms",
"title":"Advantages",
"uri":"dew_01_0115.html",
"doc_type":"usermanual",
"p_code":"2",
"code":"4"
},
{
"desc":"You can use the online tool on the KMS console or call KMS APIs to directly encrypt or decrypt a small amount of data, such as passwords, certificates, or phone numbers. ",
"product_code":"kms",
"title":"Application Scenarios",
"uri":"dew_01_0006.html",
"doc_type":"usermanual",
"p_code":"2",
"code":"5"
},
{
"desc":"Cloud services use the envelope encryption technology and call KMS APIs to encrypt service resources. Your CMKs are under your own management. With your grant, cloud serv",
"product_code":"kms",
"title":"Using KMS for Encryption",
"uri":"dew_01_0016.html",
"doc_type":"usermanual",
"p_code":"2",
"code":"6"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"kms",
"title":"Cloud Services with KMS Integrated",
"uri":"en-us_topic_0000002248485012.html",
"doc_type":"usermanual",
"p_code":"2",
"code":"7"
},
{
"desc":"When using OBS to upload data with server-side encryption, you can select SEE-KMS encryption and use the key provided by KMS to encrypt the files to be uploaded, as shown",
"product_code":"kms",
"title":"Encrypting Data in OBS",
"uri":"dew_01_0007.html",
"doc_type":"usermanual",
"p_code":"7",
"code":"8"
},
{
"desc":"When purchasing a disk, you can choose Advanced Settings > Encryption to encrypt the disk using the key provided by KMS. For details, see Figure 1. For more information a",
"product_code":"kms",
"title":"Encrypting Data in EVS",
"uri":"dew_01_0008.html",
"doc_type":"usermanual",
"p_code":"7",
"code":"9"
},
{
"desc":"When uploading an image file to Image Management Service (IMS), you can choose to encrypt the image file using a key provided by KMS to protect the file, as shown in Figu",
"product_code":"kms",
"title":"Encrypting Data in IMS",
"uri":"dew_01_0009.html",
"doc_type":"usermanual",
"p_code":"7",
"code":"10"
},
{
"desc":"When creating a file system using the Scalable File Service (SFS), you can select KMS encryption and use the key provided by the KMS to encrypt the file system. For detai",
"product_code":"kms",
"title":"Encrypting Data in SFS",
"uri":"dew_01_0116.html",
"doc_type":"usermanual",
"p_code":"7",
"code":"11"
},
{
"desc":"When a user creates a database instance from Relational Database Service (RDS), the user can select Disk encryption and use the key provided by KMS to encrypt the disk of",
"product_code":"kms",
"title":"Encrypting Data in RDS",
"uri":"dew_01_0101.html",
"doc_type":"usermanual",
"p_code":"7",
"code":"12"
},
{
"desc":"When a user creates a database instance from DDS, the user can select Disk encryption and use the key provided by KMS to encrypt the disk of the database instance. For mo",
"product_code":"kms",
"title":"Encrypting Data in DDS",
"uri":"dew_01_0199.html",
"doc_type":"usermanual",
"p_code":"7",
"code":"13"
},
{
"desc":"To ensure that your personal data, such as the username, password, and mobile phone number, will not be leaked or obtained by unauthorized or unauthenticated entities or ",
"product_code":"kms",
"title":"Personal Data Protection Mechanism",
"uri":"dew_01_0222.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"14"
},
{
"desc":"If you want to assign different access permissions to employees in an enterprise for the DEW resources purchased on the cloud platform, you can use Identity and Access Ma",
"product_code":"kms",
"title":"Permissions Management",
"uri":"dew_01_0018.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"15"
},
{
"desc":"KMS provides CMK management and encryption capabilities for cloud services. The following table lists the cloud services that can use KMS for encryption.CTS provides you ",
"product_code":"kms",
"title":"Related Services",
"uri":"dew_01_0017.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"16"
},
{
"desc":"This section describes the basic concepts in DEW, helping you understand and use DEW better.",
"product_code":"kms",
"title":"Basic Concepts",
"uri":"dew_01_0321.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"17"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"kms",
"title":"Key Management Service",
"uri":"dew_01_0177.html",
"doc_type":"usermanual",
"p_code":"",
"code":"18"
},
{
"desc":"A master key, the highest level of keys in a cryptographic system, generates and manages other keys, including session keys and data encryption keys, or directly encrypts",
"product_code":"kms",
"title":"Key Types",
"uri":"dew_01_7775.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"19"
},
{
"desc":"This section describes how to create a custom key on the KMS console.Custom keys can be categorized into symmetric keys and asymmetric keys.You can create up to 100 custo",
"product_code":"kms",
"title":"Creating a Key",
"uri":"dew_01_0178.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"20"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"kms",
"title":"Creating CMKs Using Imported Key Materials",
"uri":"dew_01_0142.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"21"
},
{
"desc":"A custom key contains key metadata (key ID, key name, description, key status, and creation date) and key materials used for encrypting and decrypting data.When a user us",
"product_code":"kms",
"title":"Overview",
"uri":"dew_01_0088.html",
"doc_type":"usermanual",
"p_code":"21",
"code":"22"
},
{
"desc":"If you want to use your own key materials instead of the KMS-generated materials, you can use the console to import your key materials to KMS. CMKs created using imported",
"product_code":"kms",
"title":"Importing Key Materials",
"uri":"dew_01_0089.html",
"doc_type":"usermanual",
"p_code":"21",
"code":"23"
},
{
"desc":"When importing key materials, you can specify their expiration time. After the key material expires, KMS deletes it, and the status of the custom key changes to Pending i",
"product_code":"kms",
"title":"Deleting Key Materials",
"uri":"dew_01_0090.html",
"doc_type":"usermanual",
"p_code":"21",
"code":"24"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"kms",
"title":"Managing CMKs",
"uri":"dew_01_0028.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"25"
},
{
"desc":"This section describes how to view the information about the custom key on the KMS console, including thekey name/ID and the creation time. The status of a key can be Ena",
"product_code":"kms",
"title":"Viewing a Key",
"uri":"dew_01_0179.html",
"doc_type":"usermanual",
"p_code":"25",
"code":"26"
},
{
"desc":"This section describes how to use the KMS console to enable one or more custom keys. Only enabled custom keys can be used to encrypt or decrypt data. A new custom key is ",
"product_code":"kms",
"title":"Enabling a Key",
"uri":"dew_01_0029.html",
"doc_type":"usermanual",
"p_code":"25",
"code":"27"
},
{
"desc":"This section describes how to use the KMS console to disable one or more custom keys, thereby protecting data in urgent cases.After being disabled, a custom key cannot be",
"product_code":"kms",
"title":"Disabling a Key",
"uri":"dew_01_0030.html",
"doc_type":"usermanual",
"p_code":"25",
"code":"28"
},
{
"desc":"Before deleting the key, confirm that it is not in use and will not be used.The key to be deleted is in Enabled, Disabled, or Pending import status.A key will not be dele",
"product_code":"kms",
"title":"Deleting a Key",
"uri":"dew_01_0031.html",
"doc_type":"usermanual",
"p_code":"25",
"code":"29"
},
{
"desc":"This section describes how to use the KMS console to cancel the scheduled deletion of one or more custom keys prior to deletion execution. After the cancellation, the key",
"product_code":"kms",
"title":"Canceling the Scheduled Deletion of One or More CMKs",
"uri":"dew_01_0032.html",
"doc_type":"usermanual",
"p_code":"25",
"code":"30"
},
{
"desc":"This section describes how to configure the Simple Message Notification (SMN) function on the Cloud Trace Service (CTS) console.Decryption will fail if the key used for e",
"product_code":"kms",
"title":"Configuring SMN",
"uri":"kms_01_0021.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"31"
},
{
"desc":"This section describes how to use the online tool to encrypt or decrypt small-size data (4 KB or smaller) on the KMS console.The custom key is in Enabled status.Default k",
"product_code":"kms",
"title":"Using the Online Tool to Encrypt and Decrypt Small-Size Data",
"uri":"dew_01_0022.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"32"
},
{
"desc":"An alias is an identifier of a key. You can use the alias as the key ID during API calling. The original key alias is not used as the key name.This section describes how ",
"product_code":"kms",
"title":"Key Alias",
"uri":"en-us_topic_0000001891946490.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"33"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"kms",
"title":"Managing Tags",
"uri":"dew_01_0023.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"34"
},
{
"desc":"Tags are used to identify keys. You can add tags to custom keys so that you can classify custom keys, trace them, and collect their usage status according to the tags.Tag",
"product_code":"kms",
"title":"Adding a Tag",
"uri":"dew_01_0024.html",
"doc_type":"usermanual",
"p_code":"34",
"code":"35"
},
{
"desc":"This section describes how to modify tag values on the KMS console.",
"product_code":"kms",
"title":"Modifying Tag Values",
"uri":"dew_01_0026.html",
"doc_type":"usermanual",
"p_code":"34",
"code":"36"
},
{
"desc":"This section describes how to delete tags on the KMS console.",
"product_code":"kms",
"title":"Deleting Tags",
"uri":"dew_01_0027.html",
"doc_type":"usermanual",
"p_code":"34",
"code":"37"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"kms",
"title":"Rotating CMKs",
"uri":"dew_01_0138.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"38"
},
{
"desc":"Keys that are widely or repeatedly used are insecure. To enhance the security of encryption keys, you are advised to periodically rotate keys and change their key materia",
"product_code":"kms",
"title":"About Key Rotation",
"uri":"dew_01_0094.html",
"doc_type":"usermanual",
"p_code":"38",
"code":"39"
},
{
"desc":"This section describes how to enable rotation for a key on the KMS console.By default, automatic key rotation is disabled for a custom key. Every time you enable key rota",
"product_code":"kms",
"title":"Enabling Key Rotation",
"uri":"dew_01_0139.html",
"doc_type":"usermanual",
"p_code":"38",
"code":"40"
},
{
"desc":"This section describes how to disable rotation for a key on the KMS console.The key is enabled.The Origin of the key is KMS.Key rotation has been enabled.",
"product_code":"kms",
"title":"Disabling Key Rotation",
"uri":"dew_01_7774.html",
"doc_type":"usermanual",
"p_code":"38",
"code":"41"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"kms",
"title":"Managing a Grant",
"uri":"dew_01_0095.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"42"
},
{
"desc":"You can create grants for other users or accounts to use the custom key. You can create a maximum of 100 grants on a custom key.You have obtained the ID of the grantee (u",
"product_code":"kms",
"title":"Creating a Grant",
"uri":"dew_01_0096.html",
"doc_type":"usermanual",
"p_code":"42",
"code":"43"
},
{
"desc":"You can view the details about a custom key grant on the KMS console, such as the grant ID, grantee user ID, granted operation, and creation time.You have created a grant",
"product_code":"kms",
"title":"Querying a Grant",
"uri":"dew_01_0097.html",
"doc_type":"usermanual",
"p_code":"42",
"code":"44"
},
{
"desc":"You can revoke a grant on the KMS console in either of the following scenarios:A grantee does not need the custom key grant. (The grantee can either tell the user who has",
"product_code":"kms",
"title":"Revoking a Grant",
"uri":"dew_01_0098.html",
"doc_type":"usermanual",
"p_code":"42",
"code":"45"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"kms",
"title":"Auditing Logs",
"uri":"dew_01_0019.html",
"doc_type":"usermanual",
"p_code":"",
"code":"46"
},
{
"desc":"The tables in this section describe the operations supported by CTS.",
"product_code":"kms",
"title":"Operations supported by CTS",
"uri":"dew_01_0020.html",
"doc_type":"usermanual",
"p_code":"46",
"code":"47"
},
{
"desc":"Cloud Trace Service (CTS) records operations performed on cloud service resources. A record contains information such as the user who performed the operation, IP address,",
"product_code":"kms",
"title":"Viewing CTS Traces in the Trace List",
"uri":"dew_01_0331.html",
"doc_type":"usermanual",
"p_code":"46",
"code":"48"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"kms",
"title":"Permission Control",
"uri":"dew_01_0133.html",
"doc_type":"usermanual",
"p_code":"",
"code":"49"
},
{
"desc":"This section describes IAM's fine-grained permissions management for your DEW resources. With IAM, you can:Create IAM users for employees based on the organizational stru",
"product_code":"kms",
"title":"Creating a User and Authorizing the User the Permission to Access DEW",
"uri":"dew_01_0135.html",
"doc_type":"usermanual",
"p_code":"49",
"code":"50"
},
{
"desc":"Custom policies can be created as a supplement to the system policies of DEW. For details about the actions supported by custom policies, see \"Permissions Policies and Su",
"product_code":"kms",
"title":"Creating a Custom KMS Policy",
"uri":"dew_01_0161.html",
"doc_type":"usermanual",
"p_code":"49",
"code":"51"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"kms",
"title":"FAQs",
"uri":"dew_01_0092.html",
"doc_type":"usermanual",
"p_code":"",
"code":"52"
},
{
"desc":"KMS is a secure, reliable, and easy-to-use cloud service that helps users create, manage, and protect keys in a centralized manner.It uses Hardware Security Modules (HSMs",
"product_code":"kms",
"title":"What Is Key Management Service?",
"uri":"dew_01_0047.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"53"
},
{
"desc":"A Customer Master Key (CMK) is a Key Encryption Key (KEK) created by a user on KMS. It is used to encrypt and protect DEKs. One CMK can be used to encrypt one or more DEK",
"product_code":"kms",
"title":"What Is a Customer Master Key?",
"uri":"dew_01_0044.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"54"
},
{
"desc":"A default key is automatically created by another cloud service using KMS, such as Object Storage Service (OBS). The alias of a default key ends with /default.You can use",
"product_code":"kms",
"title":"What Is a Default Key?",
"uri":"dew_01_0045.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"55"
},
{
"desc":"The following table describes the differences between a custom key and a default key.",
"product_code":"kms",
"title":"What Are the Differences Between a Custom Key and a Default Key?",
"uri":"dew_01_0055.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"56"
},
{
"desc":"A data encryption key (DEK) is used to encrypt data.Using KMS, you can create, encrypt, and decrypt DEKs. The KMS system does not save, manage, or track your DEKs, neithe",
"product_code":"kms",
"title":"What Is a Data Encryption Key?",
"uri":"dew_01_0046.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"57"
},
{
"desc":"The decision to delete a CMK should be considered with great caution. Before deletion, confirm that the CMK's encrypted data has all been migrated. As soon as the CMK is ",
"product_code":"kms",
"title":"Why Can't I Delete a CMK Immediately?",
"uri":"dew_01_0049.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"58"
},
{
"desc":"Object Storage Service (OBS), Elastic Volume Service (EVS), and Image Management Service (IMS) can use KMS for encryption.Object Storage Service (OBS), Elastic Volume Ser",
"product_code":"kms",
"title":"Which Cloud Services Can Use KMS for Encryption?",
"uri":"dew_01_0050.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"59"
},
{
"desc":"Services (such as OBS, IMS, EVS, SFS, DDS, and RDS) use the envelope encryption method provided by KMS to protect data.Envelope encryption is the practice of encrypting d",
"product_code":"kms",
"title":"How Do Cloud Services Use KMS to Encrypt Data?",
"uri":"dew_01_0053.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"60"
},
{
"desc":"Envelope encryption is the practice of encrypting data with a DEK and then encrypting the DEK with a root key that you can fully manage. In this case, CMKs are not requir",
"product_code":"kms",
"title":"What Are the Benefits of Envelope Encryption?",
"uri":"dew_01_0054.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"61"
},
{
"desc":"There is a limit on the number of custom keys that can be created on KMS.You can create a maximum of 100 custom keys, including those in enabled, disabled, and pending de",
"product_code":"kms",
"title":"Is There a Limit on the Number of Custom Keys That I Can Create on KMS?",
"uri":"dew_01_0056.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"62"
},
{
"desc":"No.To ensure CMK security, users can only create and use CMKs in KMS.",
"product_code":"kms",
"title":"Can I Export a CMK from KMS?",
"uri":"dew_01_0058.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"63"
},
{
"desc":"No.If you have permanently deleted your custom key, the data encrypted using it cannot be decrypted. Before the scheduled deletion date of the custom key, you can cancel ",
"product_code":"kms",
"title":"Can I Decrypt My Data if I Permanently Delete My Custom Key?",
"uri":"dew_01_0059.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"64"
},
{
"desc":"You can use the online tool to encrypt or decrypt data in the following procedures:Use the current CMK to encrypt the data.To clear your input, click Clear.To copy the en",
"product_code":"kms",
"title":"How Do I Use the Online Tool to Encrypt or Decrypt Small Volumes of Data?",
"uri":"dew_01_0060.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"65"
},
{
"desc":"No.Keys created using KMS-generated materials cannot be updated. You can only use KMS to create new CMKs to encrypt and decrypt data.",
"product_code":"kms",
"title":"Can I Update CMKs Created by KMS-Generated Key Materials?",
"uri":"dew_01_0062.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"66"
},
{
"desc":"If you do not want to use KMS-generated key materials, you can import your own key materials to create a CMK. Such a CMK allows deletion of only the key materials when yo",
"product_code":"kms",
"title":"When Should I Use a CMK Created with Imported Key Materials?",
"uri":"dew_01_0102.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"67"
},
{
"desc":"The following table lists the types of keys that can be imported.",
"product_code":"kms",
"title":"What Types of Keys Can I Import?",
"uri":"dew_01_0103.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"68"
},
{
"desc":"You can import the backup key materials from your local device again.Before importing key materials, you are advised to back up the materials. The materials to be re-impo",
"product_code":"kms",
"title":"What Should I Do When I Accidentally Delete Key Materials?",
"uri":"dew_01_0104.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"69"
},
{
"desc":"A message indicating lack of permissions is displayed when you attempt to perform operations on keys, such as view, create, or import keys.Your account is not associated ",
"product_code":"kms",
"title":"What Should I Do If I Do Not Have the Permissions to Perform Operations on KMS?",
"uri":"dew_01_0182.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"70"
},
{
"desc":"By default, the -id-aes256-wrap-pad algorithm is not enabled in OpenSSL. To wrap a key, upgrade OpenSSL to the latest version and patch it first.Use bash commands to crea",
"product_code":"kms",
"title":"Why Can't I Wrap Asymmetric Keys by Using -id-aes256-wrap-pad in OpenSSL?",
"uri":"dew_01_0186.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"71"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"kms",
"title":"Key Algorithms Supported by KMS",
"uri":"dew_01_0189.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"72"
},
{
"desc":"The basic length of the ciphertext returned by the encrypt-data API is 124 bytes. The ciphertext consists of multiple fields, including the key ID, encryption algorithm, ",
"product_code":"kms",
"title":"What Is the Relationship Between the Ciphertext and Plaintext Returned by the encrypt-data API?",
"uri":"dew_01_0215.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"73"
},
{
"desc":"The mechanism of KMS prevents anyone from accessing your keys in plaintext. KMS relies on hardware security modules (HSMs) that safeguard the confidentiality and integrit",
"product_code":"kms",
"title":"How Does KMS Protect My Keys?",
"uri":"dew_01_0227.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"74"
},
{
"desc":"The EC private key is a large integer. However, in the key pair import scenario, the private key must be ASN.1-encoded and then the data must be encoded in binary mode to",
"product_code":"kms",
"title":"How Do I Convert an Original EC Private Key into a Private Key in PKCS8 Format?",
"uri":"dew_01_0472.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"75"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"kms",
"title":"Change History",
"uri":"en-us_topic_0000001682248672.html",
"doc_type":"usermanual",
"p_code":"",
"code":"76"
}
]
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