參考https://www.cnblogs.com/xwgli/p/4522502.html
SELECT DB_NAME(database_id) AS DatabaseName, * FROM sys.dm_database_encryption_keys;
GO
USE master;
CREATE MASTER KEY ENCRYPTION BY PASSWORD = '$$$$';
USE master;
CREATE CERTIFICATE BackupCert WITH SUBJECT = '備份證書';
USE master;
BACKUP CERTIFICATE BackupCert TO FILE = 'c:\data\dbbak\bj_yun\BackupCert.cer'
WITH PRIVATE KEY ( FILE = 'c:\data\dbbak\bj_yun\BackupCert.pkey', ENCRYPTION BY PASSWORD = '$$$$' );
--還原證書
CREATE CERTIFICATE BackupCert FROM FILE = 'c:\temp\BackupCert.cer'
WITH PRIVATE KEY ( FILE = 'c:\temp\BackupCert.pkey', DECRYPTION BY PASSWORD = '$$$$');
@@#
還原時,無法解開備份集
進行密鑰及證書導入後重新還原,文件被解開,可以列出備份集中的數據庫名,正常還原