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Contents
- 1 [Khóa học lập trình JavaFX] – Bài 21: TableView trong JavaFX| HowKteam
- 2 What is a master key in SQL Server?
- 3 How do I create a master key?
- 4 How do I backup the master key of a database?
- 5 How to enable the automatic decryption of the master key?
- 6 Information related to the topic master keys table view
[Khóa học lập trình JavaFX] – Bài 21: TableView trong JavaFX| HowKteam
What is a master key in SQL Server?
The database master key is a symmetric key used to protect the private keys of certificates and asymmetric keys that are present in the database. When it is created, the master key is encrypted by using the AES_256 algorithm and a user-supplied password. In SQL Server 2008 and SQL Server 2008 R2, the Triple DES algorithm is used.
How do I create a master key?
CREATE MASTER KEY ENCRYPTION BY PASSWORD = ‘ljlLKJjs$2@l23je’ GO –> Error: There is already a master key in the database. Please drop it before performing this statement. DROP MASTER KEY GO –> Command (s) completed successfully.
The process is actually fairly simple, and it all starts with a blank key. First, the you will need to make a wax impression of the keyway, which is the hole that the key fits into. Next, you will use a file to remove material from the key until it fits snugly into the impression. Once the key is a perfect fit, the locksmith will make a copy of it.
How do I backup the master key of a database?
Creates a database master key in the database. You should back up the master key by using BACKUP MASTER KEY, and store the backup in a secure, off-site location. In SQL Server, you should also back up the service master key using BACKUP SERVICE MASTER KEY, and store the backup in a secure, off-site location.
How to enable the automatic decryption of the master key?
To enable the automatic decryption of the master key, a copy of the key is encrypted by using the service master key and stored in both the database and in master. Typically, the copy stored in master is silently updated whenever the master key is changed.
How do I decrypt the database master key (DMK)?
You must use the OPEN MASTER KEY statement to decrypt the database master key (DMK). Once the DMK has been decrypted, you have the option of enabling automatic decryption in the future by using the ALTER MASTER KEY REGENERATE statement to provision the server with a copy of the DMK, encrypted with the service master key (SMK).
Can I change the TDE master encryption key for an auto-login keystore?
You cannot change the TDE master encryption key or rotate a TDE master encryption key for an auto-login keystore. Because auto-login keystores do not have a password, an administrator or a privileged user can change the keys without the knowledge of the security officer.
How to encrypt the master key in SQL Server 2008?
When it is created, the master key is encrypted by using the AES_256 algorithm and a user-supplied password. In SQL Server 2008 and SQL Server 2008 R2, the Triple DES algorithm is used. To enable the automatic decryption of the master key, a copy of the key is encrypted by using the service master key and stored in both the database and in master.
How to encrypt a master key using an HSM?
Encrypt a Master Key Using an HSM Encrypt the Master Key Refresh the Master Key Encryption Store Private Keys on an HSM Manage the HSM Deployment
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Questions just answered:
How do I backup the master key of a database?
How do I decrypt the database master key (DMK)?
Can I change the TDE master encryption key for an auto-login keystore?
How to encrypt the master key in SQL Server 2008?
How to encrypt a master key using an HSM?
How to enable the automatic decryption of the master key?
How do I create a master key?
What is a master key in SQL Server?
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