asymkey-id-transact-sql.md

title	ASYMKEY_ID (Transact-SQL) | Microsoft Docs
ms.custom
ms.date	07/24/2017
ms.prod	sql
ms.prod_service	database-engine, sql-database
ms.reviewer
ms.technology	t-sql
ms.topic	language-reference
f1_keywords	AsymKey_ID ASYMKEY_ID_TSQL
dev_langs	TSQL
helpviewer_keywords	asymmetric keys [SQL Server], AsymKey_ID ASYMKEY_ID function encryption [SQL Server], asymmetric keys identification numbers [SQL Server], asymmetric keys IDs [SQL Server], asymmetric keys cryptography [SQL Server], asymmetric keys
ms.assetid	d697daf8-2106-4ebb-b09a-ca0be465d747
author	VanMSFT
ms.author	vanto

ASYMKEY_ID (Transact-SQL)

[!INCLUDE SQL Server SQL Database]

Returns the ID of an asymmetric key.

Transact-SQL Syntax Conventions

Syntax

ASYMKEY_ID ( 'Asym_Key_Name' )  

Arguments

Asym_Key_Name
The name of an asymmetric key in the database.

Return types

int

Permissions

Requires appropriate permission(s) on the asymmetric key, and requires that the caller has not been denied VIEW permission on the asymmetric key. See CREATE ASYMMETRIC KEY (Transact-SQL) for more information about asymmetric key permissions.

Examples

This example returns the ID of asymmetric key ABerglundKey11.

SELECT ASYMKEY_ID('ABerglundKey11');  
GO  

See also

CREATE ASYMMETRIC KEY (Transact-SQL)
ALTER ASYMMETRIC KEY (Transact-SQL)
DROP ASYMMETRIC KEY (Transact-SQL)
SIGNBYASYMKEY (Transact-SQL)
VERIFYSIGNEDBYASYMKEY (Transact-SQL)
Encryption Hierarchy
sys.asymmetric_keys (Transact-SQL)
Security Catalog Views (Transact-SQL)
ASYMKEYPROPERTY (Transact-SQL)
KEY_ID (Transact-SQL)