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sys.key_encryptions (Transact-SQL)

 

Applies To: SQL Server 2014, SQL Server 2016 Preview

Returns a row for each symmetric key encryption specified by using the ENCRYPTION BY clause of the CREATE SYMMETRIC KEY statement.

Applies to: SQL Server (SQL Server 2008 through current version), SQL Database V12 (Preview in some regions).

Column names

Data types

Description

key_id             

int

ID of the encrypted key.

thumbprint             

varbinary(32)

SHA-1 hash of the certificate with which the key is encrypted, or the GUID of the symmetric key with which the key is encrypted.

crypt_type             

char(4)

Type of encryption:

ESKS = Encrypted by symmetric key

ESKP = Encrypted by password

EPUC = Encrypted by certificate

EPUA = Encrypted by asymmetric key

ESKM = Encrypted by master key

crypt_type_desc             

nvarchar(60)

Description of encryption type:

ENCRYPTION BY SYMMETRIC KEY

ENCRYPTION BY PASSWORD

ENCRYPTION BY CERTIFICATE

ENCRYPTION BY ASYMMETRIC KEY

ENCRYPTION BY MASTER KEY

System_CAPS_noteNote

Windows DPAPI is used to protect the service master key.

crypt_property

varbinary(max)

Signed or encrypted bits.

The visibility of the metadata in catalog views is limited to securables that a user either owns or on which the user has been granted some permission. For more information, see Metadata Visibility Configuration.

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