Key Management Service

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Easily Creates and Securely Protects Encryption Keys

Key Management Service (KMS) is a secure, easy-to-use service that enables users to create, store and manage encryption keys, thereby securely protecting critical data in applications. The encryption key is used to encrypt/decrypt data and is managed securely in a centralized manner.

Overview

  • Hierarchical Key Management

    KMS uses hierarchical encryption for data key, master key and route key, thereby ensuring secure key management. Using the KMS mater key, users create a data key for data encryption. The KMS mater key is distributed and stored safely within the FIPS 140-2 Level 3 certified HSM (Hardware Security Module).

  • Key Lifecycle Management

    Key rotation enables the creation of new encrypted data for a given master key and allows users to define the frequency of key rotation based on user policy. In addition, managing usage logs become easy with KMS monitoring. By administrating the lifecycle of encryption keys, one can also delete or reactivate disabled keys to protect data against cryptographic threats.

  • High Availability Infrastructure

    Using a high availability infrastructure, KMS delivers a reliable service. KMS engine, which creates master key, HSM, which stores the created keys, and other tools provide high availability.

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Service Architecture

  • User ↔ Key Management Service
  • Key Administrator ↔ Key Management Service
    • Key Management Service
      • User Interface (UI, API)
      • Authentication/Permissions (Authentication, Permissions)
      • Encryption (Data Encryption/Decryption, Signature/Verification)
      Key Management (key Creation, key Deletion, key Rotation, Operation History Management)

Key Features

  • Key types

    - Encryption/Decryption (AES256) : Use the AES256 key (symmetric key) for data encryption operation of up to 32KB
    - Encryption/Decryption or Signature/Verification (RSA-2048) : Use the RSA key (asymmetric key, 2048 bit) for data encryption of up to 190B or 8KB signature
    - Signature/Verification (ECDSA) : Use the ECDSA key (asymmetric key) for data signature of up to 8KB

  • Managing key permissions

    - Select an account that will be granted access to the master key (An account within the same project)
    - Assignment of key roles : Key manager, Encryptor/Decryptor, Encryptor, Decryptor, Key reviewer

  • Managing key lifecycle

    - Key rotation : Create a new key version. Define automatic key rotation, anywhere from 1 day to 730 days.
    - Key deletion : Upon request, a key will immediately be disabled and be permanently deleted after 72 hours
    - View operational logs : Date of operation, operation details and results, account used for operation

Pricing

    • Billing
    • Number of owned key + Number of key requests
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