Cloud Key Management Service (Google)
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| Cloud Key Management Service (Google) | |
|---|---|
| Name | Cloud Key Management Service (Google) |
| Developer | Google LLC |
| Released | 2016 |
| Latest release | ongoing |
| Operating system | Cross-platform |
| Platform | Google Cloud Platform |
| License | Proprietary |
Cloud Key Management Service (Google) Cloud Key Management Service (Google) is a managed cryptographic key management system provided by Google LLC as part of Google Cloud Platform. It enables customers to create, use, rotate, and destroy cryptographic key material while integrating with services such as Compute Engine, Cloud Storage, BigQuery, and Cloud SQL. The service supports hybrid and multi-cloud architectures and interoperates with external hardware security modules and partner offerings from vendors like Thales Group and Fortanix.
Overview
Cloud Key Management Service (Google) centralizes lifecycle management for encryption keys and cryptographic operations for workloads across Google Cloud Platform and on-premises environments. It builds on concepts from public key infrastructure and hardware security module design, offering both software-backed and HSM-backed key stores. The product positions itself among cloud key management offerings from competitors such as Amazon Web Services, Microsoft Azure, IBM, and Alibaba Cloud while aligning with standards developed by NIST and the IETF.
Features and Components
The service exposes a range of features and modular components: key rings, cryptographic keys, import jobs, and external key managers. Key rings group cryptographic key objects and map to resource hierarchy structures used in Google Cloud Platform projects and organizations. Supported key types include symmetric AES keys, asymmetric RSA keys, and elliptic curve keys such as EC curves including NIST P-256 and NIST P-384, as well as Ed25519 depending on release cycles. HSM-backed keys leverage certified modules that conform to FIPS 140-2 and FIPS 140-3 standards. The import workflow uses wrapped key material and import tokens to preserve confidentiality, and external key manager integrations follow protocols similar to KMIP and vendor-specific APIs.
Key Management and Operations
Operationally, Cloud Key Management Service (Google) provides APIs and consoles for key creation, versioning, rotation, labeling, and destruction. Users can configure automatic rotation schedules and manual key version promotion, mirroring lifecycle practices from ISO/IEC 27001 and guidance from NIST Special Publication 800-57. The service supports asymmetric signing and verification, envelope encryption patterns for large-object workflows, and remote attestation for HSM-backed keys modeled after techniques used by Intel SGX and AMD SEV. Audit trails integrate with Cloud Audit Logs and Cloud Logging to capture administration, access, and cryptographic operation events for compliance with frameworks like PCI DSS, HIPAA, and SOC 2.
Security and Compliance
Security controls include role-based access via Cloud Identity and Access Management, separation of duties patterns, and conditional access tied to VPC Service Controls and organizational policies. Keys can be protected by external key managers or stored in customer-managed key rings to meet regulatory demands from bodies such as European Commission directives or national standards like those from NIST and CNSS. The HSM offering is validated against FIPS and may be used to achieve attestations required by FedRAMP, ISO/IEC 27001, and SOC examination processes. Cryptographic algorithms and random number generation follow government- and industry-recognized guidance from NIST and international standards promulgated by ISO.
Integration and APIs
APIs for Cloud Key Management Service (Google) follow RESTful patterns and gRPC interfaces compatible with client libraries for languages such as those developed by Google teams for Python (programming language), Java (programming language), Go (programming language), Node.js, and C#. Integrations are provided for platform services like Cloud Storage, Compute Engine, Kubernetes Engine, Anthos, and Dataflow, enabling envelope encryption, customer-supplied encryption keys, and customer-managed encryption keys. The service can interoperate with external key management systems and hardware appliances from Thales Group, Entrust, and Gemalto (now part of Thales Group), and follows interoperability patterns similar to KMIP and enterprise PKI deployments.
Pricing and Availability
Pricing models combine per-key and per-operation billing components and mirror patterns used by cloud providers like Amazon Web Services and Microsoft Azure. Tiers include standard managed keys and HSM-backed keys with differing per-operation rates and regional availability mapped to Google Cloud regions such as us-central1, europe-west1, and asia-east1. Compliance-driven deployments and government-focused offerings track eligibility comparable to FedRAMP and DoD marketplaces, and enterprise support aligns with Google Cloud Support plans and partner ecosystems including SADA and Rackspace Technology.