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title: "sys.crypt_properties (Transact-SQL) | Microsoft Docs" ms.custom: "" ms.date: "03/14/2017" ms.prod: "sql" ms.prod_service: "database-engine, sql-database" ms.service: "" ms.component: "system-catalog-views" ms.reviewer: "" ms.suite: "sql" ms.technology:

  • "database-engine" ms.tgt_pltfrm: "" ms.topic: "language-reference" f1_keywords:
  • "crypt_properties"
  • "crypt_properties_TSQL"
  • "sys.crypt_properties_TSQL"
  • "sys.crypt_properties" dev_langs:
  • "TSQL" helpviewer_keywords:
  • "sys.crypt_properties catalog view" ms.assetid: d5684f5a-30b1-418e-ae4d-ab040db9257e caps.latest.revision: 29 author: "edmacauley" ms.author: "edmaca" manager: "craigg" ms.workload: "Inactive" monikerRange: "= azuresqldb-current || >= sql-server-2016 || = sqlallproducts-allversions"

sys.crypt_properties (Transact-SQL)

[!INCLUDEtsql-appliesto-ss2008-asdb-xxxx-xxx-md]

Returns one row for each cryptographic property associated with a securable.

Column name Data type Description
class tinyint Identifies class of thing on which property exists.

1 = Object or column
class_desc nvarchar(60) Description of the class of thing on which property exists.

OBJECT_OR_COLUMN
major_id int ID of thing on which property exists, interpreted according to class
thumbprint varbinary(32) SHA-1 hash of the certificate or asymmetric key used.
crypt_type char(4) Encryption type.

SPVC = Encrypted by certificate private key

SPVA = Encrypted by asymmetric private key

CPVC = Counter signature by certificate private key

CPVA = Counter signature by asymmetric key
crypt_type_desc nvarchar(60) Description of encryption type.

SIGNATURE BY CERTIFICATE

SIGNATURE BY ASYMMETRIC KEY

COUNTER SIGNATURE BY CERTIFICATE

COUNTER SIGNATURE BY ASYMMETRIC KEY
crypt_property varbinary(max) Signed or encrypted bits.

Permissions

[!INCLUDEssCatViewPerm] For more information, see Metadata Visibility Configuration.

See Also

Security Catalog Views (Transact-SQL)
Encryption Hierarchy
Securables
CREATE CERTIFICATE (Transact-SQL)
CREATE SYMMETRIC KEY (Transact-SQL)
CREATE ASYMMETRIC KEY (Transact-SQL)
Catalog Views (Transact-SQL)