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* seo updates for config docs * fix content errors * Make KMS title consistent with other stanza titles
60 lines
1.8 KiB
Plaintext
60 lines
1.8 KiB
Plaintext
---
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layout: docs
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page_title: kms_library - Configuration
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description: >-
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Configure the kms_library stanza to customize node-specific access to KMS
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access libraries
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---
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# `kms_library` stanza
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The `kms_library` stanza isolates platform specific configuration for managed keys.
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It defines logical names that are referenced within an API configuration keeping cluster
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and node specific details separated along with deployment concerns for each.
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At the moment managed keys are only available as a feature set within Vault Enterprise HSM edition.
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## Requirements
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The following software packages are required for Vault Enterprise HSM:
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- PKCS#11 compatible HSM integration library. Vault targets version 2.2 or
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higher of PKCS#11. Depending on any given HSM, some functions (such as key
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generation) may have to be performed manually.
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- The [GNU libltdl
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library](https://www.gnu.org/software/libtool/manual/html_node/Using-libltdl.html)
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— ensure that it is installed for the correct architecture of your servers
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## Configuration
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Multiple kms_library stanza's can be defined with the only limitation that the value for the
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name key needs to be a unique value across all the stanza definitions in a case-insensitive
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manner.
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The type argument only supports "pkcs11" at the moment.
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Example `kms_library` stanza:
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```hcl
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kms_library [TYPE] {
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name = "<logical name>"
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# ...
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}
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```
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## `pkcs11` parameters
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These parameters apply to the `kms_library` stanza of type `pkcs11` in the Vault configuration file:
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- `name` `(string: <required>)`: The logical name to be referenced by a managed key
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- `library` `(string: <required>)`: The path to the PKCS#11 library shared object file.
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For example:
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```hcl
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kms_library "pkcs11" {
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name = "hsm1"
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library = "/usr/lib/Cryptoki.so"
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}
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```
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