Encryption of Data in SQL Server 2019

Jiayi Yang Encryption • SQL Server 2019年4月18日

/***************
対称キーによる列レベルの暗号化
***************/
USE [JSSUG_DEV]
GO

DROP TABLE Employees
GO

-- Create sample table
CREATE TABLE Employees (
EmployeeID INT PRIMARY KEY,
EmployeeName VARCHAR(300),
Position VARCHAR(100),
Salary VARBINARY(max)
)
GO

-- Create SMK
CREATE SYMMETRIC KEY SMK_Emp
WITH ALGORITHM = AES_256 ENCRYPTION BY PASSWORD = 'Pa$$w0rd'
GO

-- Open SMK
OPEN SYMMETRIC KEY SMK_Emp DECRYPTION BY PASSWORD = 'Pa$$w0rd'
GO

-- Verify open keys
SELECT * FROM sys.openkeys
GO

-- Insert data
--バイナリ値をコピー、後で比較用
INSERT Employees VALUES (1, 'Aさん', 'CTO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$100000'))
INSERT Employees VALUES (2, 'Bさん', 'CIO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$200000'))
INSERT Employees VALUES (3, 'Cさん', 'CEO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$300000'))
GO

-- Query table with encrypted values
SELECT * FROM Employees
GO

-- Query table with decrypted values
SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary
FROM Employees
GO

-- Close SMK
CLOSE SYMMETRIC KEY SMK_Emp
GO

-- Query table with decrypted values after key SMK is closed
SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary
FROM Employees
GO

-- Clever CTO updates their salary to match CEO's salary
UPDATE Employees
SET Salary = (SELECT Salary FROM Employees WHERE Position = 'CEO')
WHERE EmployeeName = 'Aさん'
GO

-- Open SMK and query table with decrypted values
OPEN SYMMETRIC KEY SMK_Emp DECRYPTION BY PASSWORD = 'Pa$$w0rd'
GO
SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary
FROM Employees
GO

-- Cleanup
DROP TABLE Employees
DROP SYMMETRIC KEY SMK_Emp
GO

/***************
非対称キーによる列レベルの暗号化
***************/
USE [JSSUG_DEV]
GO

-- Create sample table
CREATE TABLE Employees (
EmployeeID INT PRIMARY KEY,
EmployeeName VARCHAR(300),
Position VARCHAR(100),
Salary VARBINARY(max)
)
GO

--インスタンスレベルServiceMasterKey(ServiceMasterkey)、確認してから実行してください。省略可能
USE [master]
GO
IF NOT EXISTS(
    SELECT *
    FROM sys.symmetric_keys
    WHERE name = '##MS_ServiceMasterKey##')
BEGIN
    CREATE MASTER KEY ENCRYPTION BY 
    PASSWORD = 'Pa$$w0rd'
END
GO

--データベースレベルMasterKey
USE [JSSUG_DEV]
GO
IF NOT EXISTS (SELECT * 
                FROM sys.symmetric_keys 
                WHERE name LIKE '%MS_DatabaseMasterKey%')
BEGIN        
    CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'
END
GO

-- Create ASMK
USE [JSSUG_DEV]
GO
IF NOT EXISTS (SELECT * 
                FROM sys.asymmetric_keys 
                WHERE name = 'ASMK_Emp')
BEGIN
    CREATE ASYMMETRIC KEY ASMK_Emp
/*
<algorithm> ::=  
      { RSA_4096 | RSA_3072 | RSA_2048 | RSA_1024 | RSA_512 }
*/
	WITH ALGORITHM = RSA_4096
    ENCRYPTION BY PASSWORD = 'Pa$$w0rd'
END
GO

-- Insert data
INSERT Employees VALUES (1, 'Aさん', 'CTO', ENCRYPTBYASYMKEY(ASYMKEY_ID('ASMK_Emp'),'$100000'))
INSERT Employees VALUES (2, 'Bさん', 'CIO', ENCRYPTBYASYMKEY(ASYMKEY_ID('ASMK_Emp'),'$200000'))
INSERT Employees VALUES (3, 'Cさん', 'CEO', ENCRYPTBYASYMKEY(ASYMKEY_ID('ASMK_Emp'),'$300000'))
GO

-- Query table with encrypted values
SELECT * FROM Employees
GO

-- Query table with decrypted values
SELECT *, CONVERT(VARCHAR, DECRYPTBYASYMKEY(ASYMKEY_ID('ASMK_Emp'),Salary,N'Pa$$w0rd')) AS DecryptedSalary
FROM Employees
GO

-- Clever CTO updates their salary to match CEO's salary
UPDATE Employees
SET Salary = (SELECT Salary FROM Employees WHERE Position = 'CEO')
WHERE EmployeeName = 'Aさん'
GO

-- 確認
SELECT *, CONVERT(VARCHAR, DECRYPTBYASYMKEY(ASYMKEY_ID('ASMK_Emp'),Salary,N'Pa$$w0rd')) AS DecryptedSalary
FROM Employees
GO

-- Cleanup
DROP TABLE Employees
DROP ASYMMETRIC KEY ASMK_Emp
DROP MASTER KEY
GO

/***************
対称キー+非対称キーによる列レベルの暗号化
非対称キーで対称キーを暗号化パターン
***************/
USE [JSSUG_DEV]
GO

-- Create sample table
CREATE TABLE Employees (
EmployeeID INT PRIMARY KEY,
EmployeeName VARCHAR(300),
Position VARCHAR(100),
Salary VARBINARY(max)
)
GO

--インスタンスレベルServiceMasterKey(ServiceMasterkey)、確認してから実行してください。省略可能
USE [master]
GO
IF NOT EXISTS(
    SELECT *
    FROM sys.symmetric_keys
    WHERE name = '##MS_ServiceMasterKey##')
BEGIN
    CREATE MASTER KEY ENCRYPTION BY 
    PASSWORD = 'Pa$$w0rd'
END
GO

--データベースレベルMasterKey
USE [JSSUG_DEV]
GO
IF NOT EXISTS (SELECT * 
                FROM sys.symmetric_keys 
                WHERE name LIKE '%MS_DatabaseMasterKey%')
BEGIN        
    CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'
END
GO

-- Create ASMK
USE [JSSUG_DEV]
GO
IF NOT EXISTS (SELECT * 
                FROM sys.asymmetric_keys 
                WHERE name = 'ASMK_Emp')
BEGIN
    CREATE ASYMMETRIC KEY ASMK_Emp
/*
<algorithm> ::=  
      { RSA_4096 | RSA_3072 | RSA_2048 | RSA_1024 | RSA_512 }
*/
	WITH ALGORITHM = RSA_4096
    ENCRYPTION BY PASSWORD = 'Pa$$w0rd'
END
GO

-- Create SMK
CREATE SYMMETRIC KEY SMK_Emp
WITH ALGORITHM = AES_256 ENCRYPTION BY ASYMMETRIC KEY ASMK_Emp
GO

-- Open SMK
OPEN SYMMETRIC KEY SMK_Emp DECRYPTION BY ASYMMETRIC KEY ASMK_Emp WITH PASSWORD = 'Pa$$w0rd'
GO

-- Verify open keys
SELECT * FROM sys.openkeys
GO

-- Insert data
INSERT Employees VALUES (1, 'Aさん', 'CTO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$100000'))
INSERT Employees VALUES (2, 'Bさん', 'CIO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$200000'))
INSERT Employees VALUES (3, 'Cさん', 'CEO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$300000'))
GO

-- Query table with encrypted values
SELECT * FROM Employees
GO

-- Query table with decrypted values
SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary
FROM Employees
GO

-- Close SMK
CLOSE SYMMETRIC KEY SMK_Emp
GO

-- Query table with decrypted values after key SMK is closed
SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary
FROM Employees
GO

-- Clever CTO updates their salary to match CEO's salary
UPDATE Employees
SET Salary = (SELECT Salary FROM Employees WHERE Position = 'CEO')
WHERE EmployeeName = 'Aさん'
GO

-- Open SMK and query table with decrypted values
OPEN SYMMETRIC KEY SMK_Emp DECRYPTION BY ASYMMETRIC KEY ASMK_Emp WITH PASSWORD = 'Pa$$w0rd';
SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary
FROM Employees
GO

-- Cleanup
DROP TABLE Employees
DROP SYMMETRIC KEY SMK_Emp
DROP ASYMMETRIC KEY ASMK_Emp
DROP MASTER KEY
GO

/***************
証明書による列レベルの暗号化
***************/
USE [JSSUG_DEV]
GO

-- Create sample table
CREATE TABLE Employees (
EmployeeID INT PRIMARY KEY,
EmployeeName VARCHAR(300),
Position VARCHAR(100),
Salary VARBINARY(max)
)
GO

--インスタンスレベルServiceMasterKey(ServiceMasterkey)、確認してから実行してください。省略可能
USE [master]
GO
IF NOT EXISTS(
    SELECT *
    FROM sys.symmetric_keys
    WHERE name = '##MS_ServiceMasterKey##')
BEGIN
    CREATE MASTER KEY ENCRYPTION BY 
    PASSWORD = 'Pa$$w0rd'
END
GO

--データベースレベルMasterKey
USE [JSSUG_DEV]
GO
IF NOT EXISTS (SELECT * 
                FROM sys.symmetric_keys 
                WHERE name LIKE '%MS_DatabaseMasterKey%')
BEGIN        
    CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'
END
GO

/**注意
PFX 証明書ファイルを PVK または DER 形式に変換するのに SQL Server 用の Microsoft PVKConverter を使用します
https://support.microsoft.com/ja-jp/help/2914662/how-to-use-pfx-formatted-certificates-in-sql-server
Ex)
PVKConverter.exe -i "C:\SSLCert\jssug.jp.pfx" -o PVK -d Pa$$w0rd -e Pa$$w0rd
SQLServerサービスアカウントを対象フォルダに権限割り当てる必要
**/

-- Create CERTIFICATE
USE [JSSUG_DEV]
GO
IF NOT EXISTS (SELECT * 
                FROM sys.certificates 
                WHERE name = 'CERT_Emp')
BEGIN
	CREATE CERTIFICATE CERT_Emp
	FROM FILE = 'C:\SSLCert\PVK_4.cer'
	WITH PRIVATE KEY (FILE = 'C:\SSLCert\PVK_4.pvk',
	DECRYPTION BY PASSWORD = 'Pa$$w0rd')
END
GO

-- Insert data
INSERT Employees VALUES (1, 'Aさん', 'CTO', ENCRYPTBYCERT(CERT_ID('CERT_Emp'),'$100000'))
INSERT Employees VALUES (2, 'Bさん', 'CIO', ENCRYPTBYCERT(CERT_ID('CERT_Emp'),'$200000'))
INSERT Employees VALUES (3, 'Cさん', 'CEO', ENCRYPTBYCERT(CERT_ID('CERT_Emp'),'$300000'))
GO

-- Query table with encrypted values
SELECT * FROM Employees
GO

-- Query table with decrypted values
SELECT *, CONVERT(VARCHAR, DECRYPTBYCERT(CERT_ID('CERT_Emp'),Salary)) AS DecryptedSalary
FROM Employees
GO

-- Clever CTO updates their salary to match CEO's salary
UPDATE Employees
SET Salary = (SELECT Salary FROM Employees WHERE Position = 'CEO')
WHERE EmployeeName = 'Aさん'
GO

-- 確認
SELECT *, CONVERT(VARCHAR, DECRYPTBYCERT(CERT_ID('CERT_Emp'),Salary)) AS DecryptedSalary
FROM Employees
GO

-- Cleanup
DROP TABLE Employees
DROP CERTIFICATE CERT_Emp
DROP MASTER KEY
GO

/***************
証明書+対称キーによる列レベルの暗号化
証明書で対称キーを暗号するパターン
***************/
USE [JSSUG_DEV]
GO

-- Create sample table
CREATE TABLE Employees (
EmployeeID INT PRIMARY KEY,
EmployeeName VARCHAR(300),
Position VARCHAR(100),
Salary VARBINARY(max)
)
GO

--インスタンスレベルServiceMasterKey(ServiceMasterkey)、確認してから実行してください。省略可能
USE [master]
GO
IF NOT EXISTS(
    SELECT *
    FROM sys.symmetric_keys
    WHERE name = '##MS_ServiceMasterKey##')
BEGIN
    CREATE MASTER KEY ENCRYPTION BY 
    PASSWORD = 'Pa$$w0rd'
END
GO

--データベースレベルMasterKey
USE [JSSUG_DEV]
GO
IF NOT EXISTS (SELECT * 
                FROM sys.symmetric_keys 
                WHERE name LIKE '%MS_DatabaseMasterKey%')
BEGIN        
    CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'
END
GO

/**注意
PFX 証明書ファイルを PVK または DER 形式に変換するのに SQL Server 用の Microsoft PVKConverter を使用します
https://support.microsoft.com/ja-jp/help/2914662/how-to-use-pfx-formatted-certificates-in-sql-server
Ex)
PVKConverter.exe -i "C:\SSLCert\jssug.jp.pfx" -o PVK -d Pa$$w0rd -e Pa$$w0rd
SQLServerサービスアカウントを対象フォルダに権限割り当てる必要
**/

-- Create CERTIFICATE
USE [JSSUG_DEV]
GO
IF NOT EXISTS (SELECT * 
                FROM sys.certificates 
                WHERE name = 'CERT_Emp')
BEGIN
	CREATE CERTIFICATE CERT_Emp
	FROM FILE = 'C:\SSLCert\PVK_4.cer'
	WITH PRIVATE KEY (FILE = 'C:\SSLCert\PVK_4.pvk',
	DECRYPTION BY PASSWORD = 'Pa$$w0rd')
END
GO

-- Create SMK
CREATE SYMMETRIC KEY SMK_Emp
WITH ALGORITHM = AES_256 ENCRYPTION BY CERTIFICATE CERT_Emp
GO

-- Open SMK
OPEN SYMMETRIC KEY SMK_Emp DECRYPTION BY CERTIFICATE CERT_Emp
GO

-- Verify open keys
SELECT * FROM sys.openkeys
GO

-- Insert data
INSERT Employees VALUES (1, 'Aさん', 'CTO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$100000'))
INSERT Employees VALUES (2, 'Bさん', 'CIO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$200000'))
INSERT Employees VALUES (3, 'Cさん', 'CEO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$300000'))
GO

-- Query table with encrypted values
SELECT * FROM Employees
GO

-- Query table with decrypted values
SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary
FROM Employees
GO

-- Close SMK
CLOSE SYMMETRIC KEY SMK_Emp
GO

-- Query table with decrypted values after key SMK is closed
SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary
FROM Employees
GO

-- Clever CTO updates their salary to match CEO's salary
UPDATE Employees
SET Salary = (SELECT Salary FROM Employees WHERE Position = 'CEO')
WHERE EmployeeName = 'Aさん'
GO

-- Open SMK and query table with decrypted values
OPEN SYMMETRIC KEY SMK_Emp DECRYPTION BY CERTIFICATE CERT_Emp;
SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary
FROM Employees
GO

-- Cleanup
DROP TABLE Employees
DROP SYMMETRIC KEY SMK_Emp
DROP CERTIFICATE CERT_Emp
DROP MASTER KEY
GO

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/***************

対称キーによる列レベルの暗号化

***************/

USE [JSSUG_DEV]

DROP TABLE Employees

-- Create sample table

CREATE TABLE Employees (

EmployeeID INT PRIMARY KEY,

EmployeeName VARCHAR(300),

Position VARCHAR(100),

Salary VARBINARY(max)

)

-- Create SMK

CREATE SYMMETRIC KEY SMK_Emp

WITH ALGORITHM = AES_256 ENCRYPTION BY PASSWORD = 'Pa$$w0rd'

-- Open SMK

OPEN SYMMETRIC KEY SMK_Emp DECRYPTION BY PASSWORD = 'Pa$$w0rd'

-- Verify open keys

SELECT * FROM sys.openkeys

-- Insert data

--バイナリ値をコピー、後で比較用

INSERT Employees VALUES (1, 'Aさん', 'CTO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$100000'))

INSERT Employees VALUES (2, 'Bさん', 'CIO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$200000'))

INSERT Employees VALUES (3, 'Cさん', 'CEO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$300000'))

-- Query table with encrypted values

SELECT * FROM Employees

-- Query table with decrypted values

SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary

FROM Employees

-- Close SMK

CLOSE SYMMETRIC KEY SMK_Emp

-- Query table with decrypted values after key SMK is closed

SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary

FROM Employees

-- Clever CTO updates their salary to match CEO's salary

UPDATE Employees

SET Salary = (SELECT Salary FROM Employees WHERE Position = 'CEO')

WHERE EmployeeName = 'Aさん'

-- Open SMK and query table with decrypted values

OPEN SYMMETRIC KEY SMK_Emp DECRYPTION BY PASSWORD = 'Pa$$w0rd'

SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary

FROM Employees

-- Cleanup

DROP TABLE Employees

DROP SYMMETRIC KEY SMK_Emp

/***************

非対称キーによる列レベルの暗号化

***************/

USE [JSSUG_DEV]

-- Create sample table

CREATE TABLE Employees (

EmployeeID INT PRIMARY KEY,

EmployeeName VARCHAR(300),

Position VARCHAR(100),

Salary VARBINARY(max)

)

--インスタンスレベルServiceMasterKey(ServiceMasterkey)、確認してから実行してください。省略可能

USE [master]

IF NOT EXISTS(

SELECT *

FROM sys.symmetric_keys

WHERE name = '##MS_ServiceMasterKey##')

BEGIN

CREATE MASTER KEY ENCRYPTION BY

PASSWORD = 'Pa$$w0rd'

END

--データベースレベルMasterKey

USE [JSSUG_DEV]

IF NOT EXISTS (SELECT *

FROM sys.symmetric_keys

WHERE name LIKE '%MS_DatabaseMasterKey%')

BEGIN

CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'

END

-- Create ASMK

USE [JSSUG_DEV]

IF NOT EXISTS (SELECT *

FROM sys.asymmetric_keys

WHERE name = 'ASMK_Emp')

BEGIN

CREATE ASYMMETRIC KEY ASMK_Emp

<algorithm> ::=

{ RSA_4096 | RSA_3072 | RSA_2048 | RSA_1024 | RSA_512 }

WITH ALGORITHM = RSA_4096

ENCRYPTION BY PASSWORD = 'Pa$$w0rd'

END

-- Insert data

INSERT Employees VALUES (1, 'Aさん', 'CTO', ENCRYPTBYASYMKEY(ASYMKEY_ID('ASMK_Emp'),'$100000'))

INSERT Employees VALUES (2, 'Bさん', 'CIO', ENCRYPTBYASYMKEY(ASYMKEY_ID('ASMK_Emp'),'$200000'))

INSERT Employees VALUES (3, 'Cさん', 'CEO', ENCRYPTBYASYMKEY(ASYMKEY_ID('ASMK_Emp'),'$300000'))

-- Query table with encrypted values

SELECT * FROM Employees

-- Query table with decrypted values

SELECT *, CONVERT(VARCHAR, DECRYPTBYASYMKEY(ASYMKEY_ID('ASMK_Emp'),Salary,N'Pa$$w0rd')) AS DecryptedSalary

FROM Employees

-- Clever CTO updates their salary to match CEO's salary

UPDATE Employees

SET Salary = (SELECT Salary FROM Employees WHERE Position = 'CEO')

WHERE EmployeeName = 'Aさん'

-- 確認

SELECT *, CONVERT(VARCHAR, DECRYPTBYASYMKEY(ASYMKEY_ID('ASMK_Emp'),Salary,N'Pa$$w0rd')) AS DecryptedSalary

FROM Employees

-- Cleanup

DROP TABLE Employees

DROP ASYMMETRIC KEY ASMK_Emp

DROP MASTER KEY

/***************

対称キー+非対称キーによる列レベルの暗号化

非対称キーで対称キーを暗号化パターン

***************/

USE [JSSUG_DEV]

-- Create sample table

CREATE TABLE Employees (

EmployeeID INT PRIMARY KEY,

EmployeeName VARCHAR(300),

Position VARCHAR(100),

Salary VARBINARY(max)

)

--インスタンスレベルServiceMasterKey(ServiceMasterkey)、確認してから実行してください。省略可能

USE [master]

IF NOT EXISTS(

SELECT *

FROM sys.symmetric_keys

WHERE name = '##MS_ServiceMasterKey##')

BEGIN

CREATE MASTER KEY ENCRYPTION BY

PASSWORD = 'Pa$$w0rd'

END

--データベースレベルMasterKey

USE [JSSUG_DEV]

IF NOT EXISTS (SELECT *

FROM sys.symmetric_keys

WHERE name LIKE '%MS_DatabaseMasterKey%')

BEGIN

CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'

END

-- Create ASMK

USE [JSSUG_DEV]

IF NOT EXISTS (SELECT *

FROM sys.asymmetric_keys

WHERE name = 'ASMK_Emp')

BEGIN

CREATE ASYMMETRIC KEY ASMK_Emp

<algorithm> ::=

{ RSA_4096 | RSA_3072 | RSA_2048 | RSA_1024 | RSA_512 }

WITH ALGORITHM = RSA_4096

ENCRYPTION BY PASSWORD = 'Pa$$w0rd'

END

-- Create SMK

CREATE SYMMETRIC KEY SMK_Emp

WITH ALGORITHM = AES_256 ENCRYPTION BY ASYMMETRIC KEY ASMK_Emp

-- Open SMK

OPEN SYMMETRIC KEY SMK_Emp DECRYPTION BY ASYMMETRIC KEY ASMK_Emp WITH PASSWORD = 'Pa$$w0rd'

-- Verify open keys

SELECT * FROM sys.openkeys

-- Insert data

INSERT Employees VALUES (1, 'Aさん', 'CTO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$100000'))

INSERT Employees VALUES (2, 'Bさん', 'CIO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$200000'))

INSERT Employees VALUES (3, 'Cさん', 'CEO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$300000'))

-- Query table with encrypted values

SELECT * FROM Employees

-- Query table with decrypted values

SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary

FROM Employees

-- Close SMK

CLOSE SYMMETRIC KEY SMK_Emp

-- Query table with decrypted values after key SMK is closed

SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary

FROM Employees

-- Clever CTO updates their salary to match CEO's salary

UPDATE Employees

SET Salary = (SELECT Salary FROM Employees WHERE Position = 'CEO')

WHERE EmployeeName = 'Aさん'

-- Open SMK and query table with decrypted values

OPEN SYMMETRIC KEY SMK_Emp DECRYPTION BY ASYMMETRIC KEY ASMK_Emp WITH PASSWORD = 'Pa$$w0rd';

SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary

FROM Employees

-- Cleanup

DROP TABLE Employees

DROP SYMMETRIC KEY SMK_Emp

DROP ASYMMETRIC KEY ASMK_Emp

DROP MASTER KEY

/***************

証明書による列レベルの暗号化

***************/

USE [JSSUG_DEV]

-- Create sample table

CREATE TABLE Employees (

EmployeeID INT PRIMARY KEY,

EmployeeName VARCHAR(300),

Position VARCHAR(100),

Salary VARBINARY(max)

)

--インスタンスレベルServiceMasterKey(ServiceMasterkey)、確認してから実行してください。省略可能

USE [master]

IF NOT EXISTS(

SELECT *

FROM sys.symmetric_keys

WHERE name = '##MS_ServiceMasterKey##')

BEGIN

CREATE MASTER KEY ENCRYPTION BY

PASSWORD = 'Pa$$w0rd'

END

--データベースレベルMasterKey

USE [JSSUG_DEV]

IF NOT EXISTS (SELECT *

FROM sys.symmetric_keys

WHERE name LIKE '%MS_DatabaseMasterKey%')

BEGIN

CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'

END

/**注意

PFX 証明書ファイルを PVK または DER 形式に変換するのに SQL Server 用の Microsoft PVKConverter を使用します

https://support.microsoft.com/ja-jp/help/2914662/how-to-use-pfx-formatted-certificates-in-sql-server

Ex)

PVKConverter.exe -i "C:\SSLCert\jssug.jp.pfx" -o PVK -d Pa$$w0rd -e Pa$$w0rd

SQLServerサービスアカウントを対象フォルダに権限割り当てる必要

**/

-- Create CERTIFICATE

USE [JSSUG_DEV]

IF NOT EXISTS (SELECT *

FROM sys.certificates

WHERE name = 'CERT_Emp')

BEGIN

CREATE CERTIFICATE CERT_Emp

FROM FILE = 'C:\SSLCert\PVK_4.cer'

WITH PRIVATE KEY (FILE = 'C:\SSLCert\PVK_4.pvk',

DECRYPTION BY PASSWORD = 'Pa$$w0rd')

END

-- Insert data

INSERT Employees VALUES (1, 'Aさん', 'CTO', ENCRYPTBYCERT(CERT_ID('CERT_Emp'),'$100000'))

INSERT Employees VALUES (2, 'Bさん', 'CIO', ENCRYPTBYCERT(CERT_ID('CERT_Emp'),'$200000'))

INSERT Employees VALUES (3, 'Cさん', 'CEO', ENCRYPTBYCERT(CERT_ID('CERT_Emp'),'$300000'))

-- Query table with encrypted values

SELECT * FROM Employees

-- Query table with decrypted values

SELECT *, CONVERT(VARCHAR, DECRYPTBYCERT(CERT_ID('CERT_Emp'),Salary)) AS DecryptedSalary

FROM Employees

-- Clever CTO updates their salary to match CEO's salary

UPDATE Employees

SET Salary = (SELECT Salary FROM Employees WHERE Position = 'CEO')

WHERE EmployeeName = 'Aさん'

-- 確認

SELECT *, CONVERT(VARCHAR, DECRYPTBYCERT(CERT_ID('CERT_Emp'),Salary)) AS DecryptedSalary

FROM Employees

-- Cleanup

DROP TABLE Employees

DROP CERTIFICATE CERT_Emp

DROP MASTER KEY

/***************

証明書+対称キーによる列レベルの暗号化

証明書で対称キーを暗号するパターン

***************/

USE [JSSUG_DEV]

-- Create sample table

CREATE TABLE Employees (

EmployeeID INT PRIMARY KEY,

EmployeeName VARCHAR(300),

Position VARCHAR(100),

Salary VARBINARY(max)

)

--インスタンスレベルServiceMasterKey(ServiceMasterkey)、確認してから実行してください。省略可能

USE [master]

IF NOT EXISTS(

SELECT *

FROM sys.symmetric_keys

WHERE name = '##MS_ServiceMasterKey##')

BEGIN

CREATE MASTER KEY ENCRYPTION BY

PASSWORD = 'Pa$$w0rd'

END

--データベースレベルMasterKey

USE [JSSUG_DEV]

IF NOT EXISTS (SELECT *

FROM sys.symmetric_keys

WHERE name LIKE '%MS_DatabaseMasterKey%')

BEGIN

CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'

END

/**注意

PFX 証明書ファイルを PVK または DER 形式に変換するのに SQL Server 用の Microsoft PVKConverter を使用します

https://support.microsoft.com/ja-jp/help/2914662/how-to-use-pfx-formatted-certificates-in-sql-server

Ex)

PVKConverter.exe -i "C:\SSLCert\jssug.jp.pfx" -o PVK -d Pa$$w0rd -e Pa$$w0rd

SQLServerサービスアカウントを対象フォルダに権限割り当てる必要

**/

-- Create CERTIFICATE

USE [JSSUG_DEV]

IF NOT EXISTS (SELECT *

FROM sys.certificates

WHERE name = 'CERT_Emp')

BEGIN

CREATE CERTIFICATE CERT_Emp

FROM FILE = 'C:\SSLCert\PVK_4.cer'

WITH PRIVATE KEY (FILE = 'C:\SSLCert\PVK_4.pvk',

DECRYPTION BY PASSWORD = 'Pa$$w0rd')

END

-- Create SMK

CREATE SYMMETRIC KEY SMK_Emp

WITH ALGORITHM = AES_256 ENCRYPTION BY CERTIFICATE CERT_Emp

-- Open SMK

OPEN SYMMETRIC KEY SMK_Emp DECRYPTION BY CERTIFICATE CERT_Emp

-- Verify open keys

SELECT * FROM sys.openkeys

-- Insert data

INSERT Employees VALUES (1, 'Aさん', 'CTO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$100000'))

INSERT Employees VALUES (2, 'Bさん', 'CIO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$200000'))

INSERT Employees VALUES (3, 'Cさん', 'CEO', ENCRYPTBYKEY(KEY_GUID('SMK_Emp'),'$300000'))

-- Query table with encrypted values

SELECT * FROM Employees

-- Query table with decrypted values

SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary

FROM Employees

-- Close SMK

CLOSE SYMMETRIC KEY SMK_Emp

-- Query table with decrypted values after key SMK is closed

SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary

FROM Employees

-- Clever CTO updates their salary to match CEO's salary

UPDATE Employees

SET Salary = (SELECT Salary FROM Employees WHERE Position = 'CEO')

WHERE EmployeeName = 'Aさん'

-- Open SMK and query table with decrypted values

OPEN SYMMETRIC KEY SMK_Emp DECRYPTION BY CERTIFICATE CERT_Emp;

SELECT *, CONVERT(VARCHAR, DECRYPTBYKEY(Salary)) AS DecryptedSalary

FROM Employees

-- Cleanup

DROP TABLE Employees

DROP SYMMETRIC KEY SMK_Emp

DROP CERTIFICATE CERT_Emp

DROP MASTER KEY

/***************
Transparent Database Encryption
***************/
USE [JSSUG_DEV]
GO

-- Create sample table
CREATE TABLE Employees (
EmployeeID INT PRIMARY KEY,
EmployeeName VARCHAR(300),
Position VARCHAR(100),
Salary VARBINARY(max)
)
GO

-- Insert data
INSERT Employees VALUES (1, 'Aさん', 'CTO', ENCRYPTBYCERT(CERT_ID('CERT_Emp'),'$100000'))
INSERT Employees VALUES (2, 'Bさん', 'CIO', ENCRYPTBYCERT(CERT_ID('CERT_Emp'),'$200000'))
INSERT Employees VALUES (3, 'Cさん', 'CEO', ENCRYPTBYCERT(CERT_ID('CERT_Emp'),'$300000'))
GO

--インスタンスレベルServiceMasterKey(ServiceMasterkey)、確認してから実行してください。
USE [master]
GO
IF NOT EXISTS(
    SELECT *
    FROM sys.symmetric_keys
    WHERE name = '##MS_ServiceMasterKey##')
BEGIN
    CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'
END
GO

--インスタンスレベルマスタキーを作成、確認してから実行してください。
USE [master]
GO
IF NOT EXISTS(
    SELECT *
    FROM sys.symmetric_keys
    WHERE name = '##MS_DatabaseMasterKey##')
BEGIN
    CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'
END
GO

-- Create CERTIFICATE
--ここで、自己証明書を作っても問題ない
USE [master]
GO
IF NOT EXISTS (SELECT * 
                FROM sys.certificates 
                WHERE name = 'CERT_Emp')
BEGIN
	CREATE CERTIFICATE CERT_Emp
	FROM FILE = 'C:\SSLCert\PVK_4.cer'
	WITH PRIVATE KEY (FILE = 'C:\SSLCert\PVK_4.pvk',
	DECRYPTION BY PASSWORD = 'Pa$$w0rd')
END
GO

--完全バックアップ(暗号化有効にするときに、データベース暗号化のスキャンを実行する必要があるため、完全復旧モデルの場合、トランザクションログを切り捨てる必要もあるため、ログバックも必要)
USE [JSSUG_DEV]
GO
BACKUP DATABASE [JSSUG_DEV] TO  DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV.bak' WITH NOFORMAT, INIT,  NAME = N'JSSUG_DEV-完全 データベース バックアップ', SKIP, NOREWIND, NOUNLOAD, NO_COMPRESSION,  STATS = 10, CHECKSUM
GO

declare @backupSetId as int
select @backupSetId = position from msdb..backupset where database_name=N'JSSUG_DEV' and backup_set_id=(select max(backup_set_id) from msdb..backupset where database_name=N'JSSUG_DEV' )
if @backupSetId is null begin raiserror(N'確認に失敗しました。データベース ''JSSUG_DEV'' のバックアップ情報が見つかりません。', 16, 1) end
RESTORE VERIFYONLY FROM  DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV.bak' WITH  FILE = @backupSetId,  NOUNLOAD,  NOREWIND
GO

--トランザクションログバックアップ(暗号化有効にするときに、データベース暗号化のスキャンを実行する必要があるため、完全復旧モデルの場合、トランザクションログを切り捨てる必要もあるため、ログバックも必要)
USE [JSSUG_DEV]
GO
BACKUP LOG [JSSUG_DEV] TO  DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV.trn' WITH NOFORMAT, INIT,  NAME = N'JSSUG_DEV-完全 データベース バックアップ', SKIP, NOREWIND, NOUNLOAD, NO_COMPRESSION,  STATS = 10, CHECKSUM
GO
declare @backupSetId as int
select @backupSetId = position from msdb..backupset where database_name=N'JSSUG_DEV' and backup_set_id=(select max(backup_set_id) from msdb..backupset where database_name=N'JSSUG_DEV' )
if @backupSetId is null begin raiserror(N'確認に失敗しました。データベース ''JSSUG_DEV'' のバックアップ情報が見つかりません。', 16, 1) end
RESTORE VERIFYONLY FROM  DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV.trn' WITH  FILE = @backupSetId,  NOUNLOAD,  NOREWIND
GO

--User DBのTDEの暗号化キーを作成
USE [JSSUG_DEV]
GO
CREATE DATABASE ENCRYPTION KEY WITH ALGORITHM = AES_256
ENCRYPTION BY SERVER CERTIFICATE CERT_Emp
GO

--User DBのTDEを有効にする
USE [JSSUG_DEV]
GO
ALTER DATABASE [JSSUG_DEV] SET ENCRYPTION ON
GO

--TDE有効化後の完全バックアップ
USE [JSSUG_DEV]
GO
BACKUP DATABASE [JSSUG_DEV] TO  DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV1.bak' WITH NOFORMAT, INIT,  NAME = N'JSSUG_DEV-完全 データベース バックアップ', SKIP, NOREWIND, NOUNLOAD, NO_COMPRESSION,  STATS = 10, CHECKSUM
GO

declare @backupSetId as int
select @backupSetId = position from msdb..backupset where database_name=N'JSSUG_DEV' and backup_set_id=(select max(backup_set_id) from msdb..backupset where database_name=N'JSSUG_DEV' )
if @backupSetId is null begin raiserror(N'確認に失敗しました。データベース ''JSSUG_DEV'' のバックアップ情報が見つかりません。', 16, 1) end
RESTORE VERIFYONLY FROM  DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV1.bak' WITH  FILE = @backupSetId,  NOUNLOAD,  NOREWIND
GO

--TDE有効化後のトランザクションログバックアップ
USE [JSSUG_DEV]
GO
BACKUP LOG [JSSUG_DEV] TO  DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV1.trn' WITH NOFORMAT, INIT,  NAME = N'JSSUG_DEV-完全 データベース バックアップ', SKIP, NOREWIND, NOUNLOAD, NO_COMPRESSION,  STATS = 10, CHECKSUM
GO
declare @backupSetId as int
select @backupSetId = position from msdb..backupset where database_name=N'JSSUG_DEV' and backup_set_id=(select max(backup_set_id) from msdb..backupset where database_name=N'JSSUG_DEV' )
if @backupSetId is null begin raiserror(N'確認に失敗しました。データベース ''JSSUG_DEV'' のバックアップ情報が見つかりません。', 16, 1) end
RESTORE VERIFYONLY FROM  DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV1.trn' WITH  FILE = @backupSetId,  NOUNLOAD,  NOREWIND
GO

/***************
Transparent Database Encryption
Backup Certificate and Key
***************/
USE [master]
GO

-- Backup SMK
BACKUP SERVICE MASTER KEY
TO FILE = 'C:\SSLCert\ServerMasterKey.key' ENCRYPTION BY PASSWORD = 'Pa$$w0rd'
GO

-- Backup DMK
BACKUP MASTER KEY
TO FILE = 'C:\SSLCert\DatabaseMasterKey.key' ENCRYPTION BY PASSWORD = 'Pa$$w0rd'
GO

-- Backup TDE Certificate
BACKUP CERTIFICATE CERT_Emp
TO FILE = 'C:\SSLCert\TDECertificate.cer'
WITH PRIVATE KEY(
FILE = 'C:\SSLCert\TDECertificate.key', ENCRYPTION BY PASSWORD = 'Pa$$w0rd')
GO

--Database暗号化状況確認する
USE [master]
GO
SELECT DB_NAME(database_id) as DBNAME,encryption_state 
FROM [sys].[dm_database_encryption_keys]

--SQL Server 2019 CTP2.4、スキャン停止、停止の条件は、Scanしていること
USE [JSSUG_DEV]
GO
ALTER DATABASE [JSSUG_DEV] SET ENCRYPTION SUSPEND
GO

--SQL Server 2019 CTP2.4、スキャン再開
USE [JSSUG_DEV]
GO
ALTER DATABASE [JSSUG_DEV] SET ENCRYPTION RESUME
GO

--SQL Server 2019 CTP2.4、スキャン状態確認
SELECT encryption_scan_state,encryption_scan_state_desc,encryption_scan_modify_date FROM sys.dm_database_encryption_keys

-- Cleanup
USE [JSSUG_DEV]
GO
ALTER DATABASE [JSSUG_DEV] SET ENCRYPTION OFF
GO

USE [JSSUG_DEV]
GO
DROP DATABASE ENCRYPTION KEY
GO

USE [master]
GO
DROP CERTIFICATE [CERT_Emp]
GO

USE [master]
GO
DROP MASTER KEY
GO

USE [JSSUG_DEV]
GO
DROP TABLE Employees
GO

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/***************

Transparent Database Encryption

***************/

USE [JSSUG_DEV]

-- Create sample table

CREATE TABLE Employees (

EmployeeID INT PRIMARY KEY,

EmployeeName VARCHAR(300),

Position VARCHAR(100),

Salary VARBINARY(max)

)

-- Insert data

INSERT Employees VALUES (1, 'Aさん', 'CTO', ENCRYPTBYCERT(CERT_ID('CERT_Emp'),'$100000'))

INSERT Employees VALUES (2, 'Bさん', 'CIO', ENCRYPTBYCERT(CERT_ID('CERT_Emp'),'$200000'))

INSERT Employees VALUES (3, 'Cさん', 'CEO', ENCRYPTBYCERT(CERT_ID('CERT_Emp'),'$300000'))

--インスタンスレベルServiceMasterKey(ServiceMasterkey)、確認してから実行してください。

USE [master]

IF NOT EXISTS(

SELECT *

FROM sys.symmetric_keys

WHERE name = '##MS_ServiceMasterKey##')

BEGIN

CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'

END

--インスタンスレベルマスタキーを作成、確認してから実行してください。

USE [master]

IF NOT EXISTS(

SELECT *

FROM sys.symmetric_keys

WHERE name = '##MS_DatabaseMasterKey##')

BEGIN

CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'

END

-- Create CERTIFICATE

--ここで、自己証明書を作っても問題ない

USE [master]

IF NOT EXISTS (SELECT *

FROM sys.certificates

WHERE name = 'CERT_Emp')

BEGIN

CREATE CERTIFICATE CERT_Emp

FROM FILE = 'C:\SSLCert\PVK_4.cer'

WITH PRIVATE KEY (FILE = 'C:\SSLCert\PVK_4.pvk',

DECRYPTION BY PASSWORD = 'Pa$$w0rd')

END

--完全バックアップ(暗号化有効にするときに、データベース暗号化のスキャンを実行する必要があるため、完全復旧モデルの場合、トランザクションログを切り捨てる必要もあるため、ログバックも必要)

USE [JSSUG_DEV]

BACKUP DATABASE [JSSUG_DEV] TO DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV.bak' WITH NOFORMAT, INIT, NAME = N'JSSUG_DEV-完全データベースバックアップ', SKIP, NOREWIND, NOUNLOAD, NO_COMPRESSION, STATS = 10, CHECKSUM

declare @backupSetId as int

select @backupSetId = position from msdb..backupset where database_name=N'JSSUG_DEV' and backup_set_id=(select max(backup_set_id) from msdb..backupset where database_name=N'JSSUG_DEV' )

if @backupSetId is null begin raiserror(N'確認に失敗しました。データベース ''JSSUG_DEV'' のバックアップ情報が見つかりません。', 16, 1) end

RESTORE VERIFYONLY FROM DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV.bak' WITH FILE = @backupSetId, NOUNLOAD, NOREWIND

--トランザクションログバックアップ(暗号化有効にするときに、データベース暗号化のスキャンを実行する必要があるため、完全復旧モデルの場合、トランザクションログを切り捨てる必要もあるため、ログバックも必要)

USE [JSSUG_DEV]

BACKUP LOG [JSSUG_DEV] TO DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV.trn' WITH NOFORMAT, INIT, NAME = N'JSSUG_DEV-完全データベースバックアップ', SKIP, NOREWIND, NOUNLOAD, NO_COMPRESSION, STATS = 10, CHECKSUM

declare @backupSetId as int

select @backupSetId = position from msdb..backupset where database_name=N'JSSUG_DEV' and backup_set_id=(select max(backup_set_id) from msdb..backupset where database_name=N'JSSUG_DEV' )

if @backupSetId is null begin raiserror(N'確認に失敗しました。データベース ''JSSUG_DEV'' のバックアップ情報が見つかりません。', 16, 1) end

RESTORE VERIFYONLY FROM DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV.trn' WITH FILE = @backupSetId, NOUNLOAD, NOREWIND

--User DBのTDEの暗号化キーを作成

USE [JSSUG_DEV]

CREATE DATABASE ENCRYPTION KEY WITH ALGORITHM = AES_256

ENCRYPTION BY SERVER CERTIFICATE CERT_Emp

--User DBのTDEを有効にする

USE [JSSUG_DEV]

ALTER DATABASE [JSSUG_DEV] SET ENCRYPTION ON

--TDE有効化後の完全バックアップ

USE [JSSUG_DEV]

BACKUP DATABASE [JSSUG_DEV] TO DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV1.bak' WITH NOFORMAT, INIT, NAME = N'JSSUG_DEV-完全データベースバックアップ', SKIP, NOREWIND, NOUNLOAD, NO_COMPRESSION, STATS = 10, CHECKSUM

declare @backupSetId as int

select @backupSetId = position from msdb..backupset where database_name=N'JSSUG_DEV' and backup_set_id=(select max(backup_set_id) from msdb..backupset where database_name=N'JSSUG_DEV' )

if @backupSetId is null begin raiserror(N'確認に失敗しました。データベース ''JSSUG_DEV'' のバックアップ情報が見つかりません。', 16, 1) end

RESTORE VERIFYONLY FROM DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV1.bak' WITH FILE = @backupSetId, NOUNLOAD, NOREWIND

--TDE有効化後のトランザクションログバックアップ

USE [JSSUG_DEV]

BACKUP LOG [JSSUG_DEV] TO DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV1.trn' WITH NOFORMAT, INIT, NAME = N'JSSUG_DEV-完全データベースバックアップ', SKIP, NOREWIND, NOUNLOAD, NO_COMPRESSION, STATS = 10, CHECKSUM

declare @backupSetId as int

select @backupSetId = position from msdb..backupset where database_name=N'JSSUG_DEV' and backup_set_id=(select max(backup_set_id) from msdb..backupset where database_name=N'JSSUG_DEV' )

if @backupSetId is null begin raiserror(N'確認に失敗しました。データベース ''JSSUG_DEV'' のバックアップ情報が見つかりません。', 16, 1) end

RESTORE VERIFYONLY FROM DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV1.trn' WITH FILE = @backupSetId, NOUNLOAD, NOREWIND

/***************

Transparent Database Encryption

Backup Certificate and Key

***************/

USE [master]

-- Backup SMK

BACKUP SERVICE MASTER KEY

TO FILE = 'C:\SSLCert\ServerMasterKey.key' ENCRYPTION BY PASSWORD = 'Pa$$w0rd'

-- Backup DMK

BACKUP MASTER KEY

TO FILE = 'C:\SSLCert\DatabaseMasterKey.key' ENCRYPTION BY PASSWORD = 'Pa$$w0rd'

-- Backup TDE Certificate

BACKUP CERTIFICATE CERT_Emp

TO FILE = 'C:\SSLCert\TDECertificate.cer'

WITH PRIVATE KEY(

FILE = 'C:\SSLCert\TDECertificate.key', ENCRYPTION BY PASSWORD = 'Pa$$w0rd')

--Database暗号化状況確認する

USE [master]

SELECT DB_NAME(database_id) as DBNAME,encryption_state

FROM [sys].[dm_database_encryption_keys]

--SQL Server 2019 CTP2.4、スキャン停止、停止の条件は、Scanしていること

USE [JSSUG_DEV]

ALTER DATABASE [JSSUG_DEV] SET ENCRYPTION SUSPEND

--SQL Server 2019 CTP2.4、スキャン再開

USE [JSSUG_DEV]

ALTER DATABASE [JSSUG_DEV] SET ENCRYPTION RESUME

--SQL Server 2019 CTP2.4、スキャン状態確認

SELECT encryption_scan_state,encryption_scan_state_desc,encryption_scan_modify_date FROM sys.dm_database_encryption_keys

-- Cleanup

USE [JSSUG_DEV]

ALTER DATABASE [JSSUG_DEV] SET ENCRYPTION OFF

USE [JSSUG_DEV]

DROP DATABASE ENCRYPTION KEY

USE [master]

DROP CERTIFICATE [CERT_Emp]

USE [master]

DROP MASTER KEY

USE [JSSUG_DEV]

DROP TABLE Employees

/***************
Always Encrypted
***************/
USE [JSSUG_DEV]
GO

--Drop sample table
DROP TABLE Employees
GO

-- Create sample table
CREATE TABLE Employees (
EmployeeID INT PRIMARY KEY,
EmployeeName VARCHAR(300),
Position VARCHAR(100),
Salary VARCHAR(100)
)
GO

-- Insert data
INSERT Employees VALUES (1, 'Aさん', 'CTO', '$100000')
INSERT Employees VALUES (2, 'Bさん', 'CIO', '$200000')
INSERT Employees VALUES (3, 'Cさん', 'CEO', '$300000')
GO

--データ確認
SELECT * FROM Employees

--ここからUI

--AE接続オプション有効でInsert(パラメータ化なし)
INSERT INTO Employees([EmployeeID],[EmployeeName],[Position],[Salary])
VALUES (4,'Dさん', 'FTE', '$400000')

--パラメータ化でInsertする
--クエリ実行オプションのAEパラメータ有効化にしてから実行すること。SSMS Ver17以降
DECLARE @EmployeeID INT = (SELECT MAX(EmployeeID) FROM Employees) + 1
DECLARE @EmployeeName VARCHAR(300) = 'Dさん'
DECLARE @Position VARCHAR(100) = 'FTE'
DECLARE @Salary VARCHAR(100) = '$400000'

INSERT INTO Employees([EmployeeID],[EmployeeName],[Position],[Salary]) 
VALUES(@EmployeeID,@EmployeeName,@Position,@Salary)

--データ確認
SELECT * FROM Employees

--Clean Up
USE [JSSUG_DEV]
GO

DROP TABLE [dbo].[Employees]
GO
DROP COLUMN ENCRYPTION KEY [CEK_Auto1]
GO
DROP COLUMN MASTER KEY [CMK_Auto1]
GO

--CUIでAEの設定
--CMK作成、証明書ストアから選ぶ
USE [JSSUG_DEV]
GO
CREATE COLUMN MASTER KEY [CMK]
WITH
(
	KEY_STORE_PROVIDER_NAME = N'MSSQL_CERTIFICATE_STORE',
	KEY_PATH = N'LocalMachine/My/B379C2D46AF0CE3EFF2DAD9BA73CB3492319B58F'
)
GO

--CEK作成、CMKでCEKを保護する
USE [JSSUG_DEV]
GO
CREATE COLUMN ENCRYPTION KEY [CEK]
WITH VALUES
(
	COLUMN_MASTER_KEY = [CMK],
	ALGORITHM = 'RSA_OAEP',
	ENCRYPTED_VALUE = 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
)
GO

--Drop sample table
DROP TABLE Employees
GO

-- Create sample table
CREATE TABLE Employees (
EmployeeID INT PRIMARY KEY,
EmployeeName VARCHAR(300),
Position VARCHAR(100),
Salary VARCHAR(100)
ENCRYPTED WITH (COLUMN_ENCRYPTION_KEY = [CEK],
ENCRYPTION_TYPE = Randomized,
ALGORITHM = 'AEAD_AES_256_CBC_HMAC_SHA_256') NOT NULL
)
GO

--パラメータ化でInsertする
--クエリ実行オプションのAEパラメータ有効化にしてから実行すること。SSMS Ver17以降
DECLARE @EmployeeID INT = (SELECT ISNULL(MAX(EmployeeID),0) FROM Employees) + 1
DECLARE @EmployeeName VARCHAR(300) = 'Dさん'
DECLARE @Position VARCHAR(100) = 'FTE'
DECLARE @Salary VARCHAR(100) = '$400000'

INSERT INTO Employees([EmployeeID],[EmployeeName],[Position],[Salary]) 
VALUES(@EmployeeID,@EmployeeName,@Position,@Salary)

--データ確認
SELECT * FROM Employees

--Clean Up
USE [JSSUG_DEV]
GO

DROP TABLE [dbo].[Employees]
GO
DROP COLUMN ENCRYPTION KEY [CEK]
GO
DROP COLUMN MASTER KEY [CMK]
GO

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/***************

Always Encrypted

***************/

USE [JSSUG_DEV]

--Drop sample table

DROP TABLE Employees

-- Create sample table

CREATE TABLE Employees (

EmployeeID INT PRIMARY KEY,

EmployeeName VARCHAR(300),

Position VARCHAR(100),

Salary VARCHAR(100)

)

-- Insert data

INSERT Employees VALUES (1, 'Aさん', 'CTO', '$100000')

INSERT Employees VALUES (2, 'Bさん', 'CIO', '$200000')

INSERT Employees VALUES (3, 'Cさん', 'CEO', '$300000')

--データ確認

SELECT * FROM Employees

--ここからUI

--AE接続オプション有効でInsert(パラメータ化なし)

INSERT INTO Employees([EmployeeID],[EmployeeName],[Position],[Salary])

VALUES (4,'Dさん', 'FTE', '$400000')

--パラメータ化でInsertする

--クエリ実行オプションのAEパラメータ有効化にしてから実行すること。SSMS Ver17以降

DECLARE @EmployeeID INT = (SELECT MAX(EmployeeID) FROM Employees) + 1

DECLARE @EmployeeName VARCHAR(300) = 'Dさん'

DECLARE @Position VARCHAR(100) = 'FTE'

DECLARE @Salary VARCHAR(100) = '$400000'

INSERT INTO Employees([EmployeeID],[EmployeeName],[Position],[Salary])

VALUES(@EmployeeID,@EmployeeName,@Position,@Salary)

--データ確認

SELECT * FROM Employees

--Clean Up

USE [JSSUG_DEV]

DROP TABLE [dbo].[Employees]

DROP COLUMN ENCRYPTION KEY [CEK_Auto1]

DROP COLUMN MASTER KEY [CMK_Auto1]

--CUIでAEの設定

--CMK作成、証明書ストアから選ぶ

USE [JSSUG_DEV]

CREATE COLUMN MASTER KEY [CMK]

WITH

(

KEY_STORE_PROVIDER_NAME = N'MSSQL_CERTIFICATE_STORE',

KEY_PATH = N'LocalMachine/My/B379C2D46AF0CE3EFF2DAD9BA73CB3492319B58F'

)

--CEK作成、CMKでCEKを保護する

USE [JSSUG_DEV]

CREATE COLUMN ENCRYPTION KEY [CEK]

WITH VALUES

(

COLUMN_MASTER_KEY = [CMK],

ALGORITHM = 'RSA_OAEP',

ENCRYPTED_VALUE = 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

)

--Drop sample table

DROP TABLE Employees

-- Create sample table

CREATE TABLE Employees (

EmployeeID INT PRIMARY KEY,

EmployeeName VARCHAR(300),

Position VARCHAR(100),

Salary VARCHAR(100)

ENCRYPTED WITH (COLUMN_ENCRYPTION_KEY = [CEK],

ENCRYPTION_TYPE = Randomized,

ALGORITHM = 'AEAD_AES_256_CBC_HMAC_SHA_256') NOT NULL

)

--パラメータ化でInsertする

--クエリ実行オプションのAEパラメータ有効化にしてから実行すること。SSMS Ver17以降

DECLARE @EmployeeID INT = (SELECT ISNULL(MAX(EmployeeID),0) FROM Employees) + 1

DECLARE @EmployeeName VARCHAR(300) = 'Dさん'

DECLARE @Position VARCHAR(100) = 'FTE'

DECLARE @Salary VARCHAR(100) = '$400000'

INSERT INTO Employees([EmployeeID],[EmployeeName],[Position],[Salary])

VALUES(@EmployeeID,@EmployeeName,@Position,@Salary)

--データ確認

SELECT * FROM Employees

--Clean Up

USE [JSSUG_DEV]

DROP TABLE [dbo].[Employees]

DROP COLUMN ENCRYPTION KEY [CEK]

DROP COLUMN MASTER KEY [CMK]

/***************
Backup Encrypted
***************/
USE [JSSUG_DEV]
GO

--Drop sample table
DROP TABLE Employees
GO

-- Create sample table
CREATE TABLE Employees (
EmployeeID INT PRIMARY KEY,
EmployeeName VARCHAR(300),
Position VARCHAR(100),
Salary VARCHAR(100)
)
GO

-- Insert data
INSERT Employees VALUES (1, 'Aさん', 'CTO', '$100000')
INSERT Employees VALUES (2, 'Bさん', 'CIO', '$200000')
INSERT Employees VALUES (3, 'Cさん', 'CEO', '$300000')
GO

--データ確認
SELECT * FROM Employees

--インスタンスレベルServiceMasterKey(ServiceMasterkey)、確認してから実行してください。
USE [master]
GO
IF NOT EXISTS(
    SELECT *
    FROM sys.symmetric_keys
    WHERE name = '##MS_ServiceMasterKey##')
BEGIN
    CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'
END
GO

--インスタンスレベルマスタキーを作成、確認してから実行してください。
USE [master]
GO
IF NOT EXISTS(
    SELECT *
    FROM sys.symmetric_keys
    WHERE name = '##MS_DatabaseMasterKey##')
BEGIN
    CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'
END
GO

-- Create CERTIFICATE
--ここで、自己証明書を作っても問題ない
USE [master]
GO
IF NOT EXISTS (SELECT * 
                FROM sys.certificates 
                WHERE name = 'CERT_Emp')
BEGIN
	CREATE CERTIFICATE CERT_Emp
	FROM FILE = 'C:\SSLCert\PVK_4.cer'
	WITH PRIVATE KEY (FILE = 'C:\SSLCert\PVK_4.pvk',
	DECRYPTION BY PASSWORD = 'Pa$$w0rd')
END
GO

--暗号化バックアップ
BACKUP DATABASE [JSSUG_DEV] 
TO  DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV_BE.bak' 
WITH FORMAT, INIT,  
MEDIADESCRIPTION = N'JSSUG_DEV BE',  
MEDIANAME = N'JSSUG_DEV MediaSet',  
NAME = N'JSSUG_DEV-完全 データベース バックアップ', 
SKIP, NOREWIND, NOUNLOAD, COMPRESSION, 
ENCRYPTION(ALGORITHM = AES_256, SERVER CERTIFICATE = [CERT_Emp]),
STATS = 10, CHECKSUM
GO

/***************

Backup Encrypted

***************/

USE [JSSUG_DEV]

--Drop sample table

DROP TABLE Employees

-- Create sample table

CREATE TABLE Employees (

EmployeeID INT PRIMARY KEY,

EmployeeName VARCHAR(300),

Position VARCHAR(100),

Salary VARCHAR(100)

)

-- Insert data

INSERT Employees VALUES (1, 'Aさん', 'CTO', '$100000')

INSERT Employees VALUES (2, 'Bさん', 'CIO', '$200000')

INSERT Employees VALUES (3, 'Cさん', 'CEO', '$300000')

--データ確認

SELECT * FROM Employees

--インスタンスレベルServiceMasterKey(ServiceMasterkey)、確認してから実行してください。

USE [master]

IF NOT EXISTS(

SELECT *

FROM sys.symmetric_keys

WHERE name = '##MS_ServiceMasterKey##')

BEGIN

CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'

END

--インスタンスレベルマスタキーを作成、確認してから実行してください。

USE [master]

IF NOT EXISTS(

SELECT *

FROM sys.symmetric_keys

WHERE name = '##MS_DatabaseMasterKey##')

BEGIN

CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Pa$$w0rd'

END

-- Create CERTIFICATE

--ここで、自己証明書を作っても問題ない

USE [master]

IF NOT EXISTS (SELECT *

FROM sys.certificates

WHERE name = 'CERT_Emp')

BEGIN

CREATE CERTIFICATE CERT_Emp

FROM FILE = 'C:\SSLCert\PVK_4.cer'

WITH PRIVATE KEY (FILE = 'C:\SSLCert\PVK_4.pvk',

DECRYPTION BY PASSWORD = 'Pa$$w0rd')

END

--暗号化バックアップ

BACKUP DATABASE [JSSUG_DEV]

TO DISK = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\Backup\JSSUG_DEV_BE.bak'

WITH FORMAT, INIT,

MEDIADESCRIPTION = N'JSSUG_DEV BE',

MEDIANAME = N'JSSUG_DEV MediaSet',

NAME = N'JSSUG_DEV-完全データベースバックアップ',

SKIP, NOREWIND, NOUNLOAD, COMPRESSION,

ENCRYPTION(ALGORITHM = AES_256, SERVER CERTIFICATE = [CERT_Emp]),

STATS = 10, CHECKSUM