Create a secret/access pair for use with ec2 style auth. This operation will generates a new set of credentials that map the user/tenant pair.
identity/v3/credentials/add_cred.php
OpenStack/Identity/v3/Service.html#method_createCredential
List all credentials for a given user.
identity/v3/credentials/list_creds.php
OpenStack/Identity/v3/Service.html#method_listCredentials
Retrieve a user's access/secret pair by the access key.
identity/v3/credentials/get_cred.php
OpenStack/Identity/v3/Service.html#method_getCredential
identity/v3/credentials/update_cred.php
OpenStack/Identity/v3/Models/Credential.html#method_update
Delete a user's access/secret pair.
identity/v3/credentials/delete_cred.php
OpenStack/Identity/v3/Models/Credential.html#method_delete