Alibaba Cloud Key Management Service (KMS) vs ProvenRun ProvenHSM: Side-by-Side Comparison (2026)

Alibaba Cloud Key Management Service (KMS): Managed cloud key management and cryptography service with HSM support on Alibaba Cloud. built by Alibaba Cloud. Core capabilities include Key lifecycle management including creation, rotation, enabling/disabling, and deletion, Bring Your Own Key (BYOK) import into managed HSMs, FIPS 140-2 Level 3 validated managed HSMs..

ProvenRun ProvenHSM: Cloud & telecom HSM with formal OS verification, FIPS 140-3 L3, and PQC support. built by ProvenRun. Core capabilities include CC EAL5+ and FIPS 140-3 Level 3 certified security with tamper protection, Formally verified OS (ProvenCore, CC EAL7) as the underlying platform, Post-Quantum Cryptography support (ML-KEM, ML-DSA)..

Both serve the Key Management market but differ in approach, feature depth, and target audience.

Alibaba Cloud Key Management Service (KMS) differentiates with Key lifecycle management including creation, rotation, enabling/disabling, and deletion, Bring Your Own Key (BYOK) import into managed HSMs, FIPS 140-2 Level 3 validated managed HSMs. ProvenRun ProvenHSM differentiates with CC EAL5+ and FIPS 140-3 Level 3 certified security with tamper protection, Formally verified OS (ProvenCore, CC EAL7) as the underlying platform, Post-Quantum Cryptography support (ML-KEM, ML-DSA).

Alibaba Cloud Key Management Service (KMS) is developed by Alibaba Cloud. ProvenRun ProvenHSM is developed by ProvenRun. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Alibaba Cloud Key Management Service (KMS) integrates with Alibaba Cloud ECS (Elastic Compute Service), Alibaba Cloud RDS (ApsaraDB RDS), Alibaba Cloud OSS (Object Storage Service), Alibaba Cloud NAS, Alibaba Cloud MaxCompute and 4 more. ProvenRun ProvenHSM integrates with PKCS#11, REST API, Kubernetes, HashiCorp Vault. Check integration compatibility with your existing security stack before deciding.

Alibaba Cloud Key Management Service (KMS) and ProvenRun ProvenHSM serve similar Key Management use cases: both are Key Management tools, both cover Encryption. Review the feature comparison above to determine which fits your requirements.