# PKCS \#11 library for AWS CloudHSM Client SDK 3
<a name="pkcs11-v3-library"></a>

PKCS \#11 is a standard for performing cryptographic operations on hardware security modules (HSM) in AWS CloudHSM.

For information about bootstrapping, see [Connecting to the cluster](cluster-connect.md).

**Topics**
+ [Install the PKCS \#11 library](install-pkcs11-v3.md)
+ [Authenticate to the PKCS \#11 library](pkcs11-v3-pin.md)
+ [Key types](pkcs11-v3-key-types.md)
+ [Mechanisms](pkcs11-v3-mechanisms.md)
+ [API operations](pkcs11-v3-apis.md)
+ [Key attributes](pkcs11-v3-attributes.md)
+ [Code samples](pkcs11-v3-samples.md)