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43 lines
1.9 KiB
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43 lines
1.9 KiB
Markdown
---
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layout: "docs"
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page_title: "HSM Integration - Vault Enterprise"
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sidebar_current: "docs-vault-enterprise-hsm"
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description: |-
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Vault Enterprise has HSM support, allowing for external master key storage and automatic unsealing.
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---
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# Vault Enterprise HSM Support
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HSM support is a feature of [Vault
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Enterprise](https://www.hashicorp.com/vault.html) that takes advantage of HSMs
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to provide two pieces of special functionality:
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* Master Key Wrapping: Vault protects its master key by transiting it through
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the HSM for encryption rather than splitting into key shares
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* Automatic Unsealing: Vault stores its encrypted master key in storage,
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allowing for automatic unsealing
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HSM support is currently limited to devices that support PKCS#11 interfaces and
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provide integration libraries. It has successfully been tested with the following
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HSM platforms/vendors:
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* AWS [CloudHSM](https://aws.amazon.com/cloudhsm/)
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* Thales [nShield](https://www.thalesesecurity.com/products/general-purpose-hsms)
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* Utimaco [HSM](https://hsm.utimaco.com/)
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* SafeNet/Gemalto [Luna](https://safenet.gemalto.com/data-encryption/hardware-security-modules-hsms/safenet-network-hsm/)
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* Unbound [HSM](https://www.unboundtech.com/)
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* OpenDNSSEC [SoftHSM](https://www.opendnssec.org/softhsm/)
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Please note however that configuration details, flags, and supported features within PKCS#11 vary depending on HSM model and configuration. Consult your HSM's documentation for more details.
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Some parts of Vault work differently when using an HSM. Please see the
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[Behavioral Changes](/docs/vault-enterprise/hsm/behavior.html) page for important information
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on these differences.
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The [Configuration](/docs/configuration/seal/pkcs11.html) page contains configuration
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information.
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Finally, the [Security](/docs/vault-enterprise/hsm/security.html) page contains information
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about deploying Vault's HSM support in a secure fashion.
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