The is_master_key_encrypted_by_server column of the sys.databases catalog view in master indicates whether the database master key is encrypted by the service master key. A master key that is not encrypted by the service master key must be opened by using the OPEN MASTER KEY statement and a password. This default can be changed by using the DROP ENCRYPTION BY SERVICE MASTER KEY option of ALTER MASTER KEY. Typically, the copy stored in master is silently updated whenever the master key is changed. 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. In SQL Server 2008 (10.0.x) and SQL Server 2008 R2 (10.50.x), the Triple DES algorithm is used. When it is created, the master key is encrypted by using the AES_256 algorithm and a user-supplied password. 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.
#MASTER KEY SOFTWARE PASSWORD#
password is optional in SQL Database and Azure Synapse Analytics.
#MASTER KEY SOFTWARE WINDOWS#
password must meet the Windows password policy requirements of the computer that is running the instance of SQL Server. The password that is used to encrypt the master key in the database. Multiple Keyed Alike sets can be specified providing increased flexibility in master key systems.To view Transact-SQL syntax for SQL Server 2014 and earlier, see Previous versions documentation. Keyed Alike cylinders (KA) are a set of locks that can be operated by the same key and relevant master keys. Common entrance cylinders can be incorporated as part of a master key system.Ī Keyed to Differ (KTD) cylinder can only be operated by its own unique key and relevant master keys. This can be suitable for maintenance companies or milkmen needing access to building corridors. Keys can also be issued that allow access only to common entrances. Normally used in blocks of rented apartments and halls of residence, individuals must be able to unlock one or more main access doors without direct access to neighbouring apartments. Level 3 - The sub-master key’s (SMK) unlock specific departments or areas within one of the buildings.Įach cylinder will then also have its own differ key which will be used by the person who works in that particular room or office. Level 2 - The master key’s (MK) will unlock all cylinders within a specific building on the site. Level 1 - The grand master key (GMK) unlocks all cylinders on all sites. On the bottom level employees will need access to their particular office or working area.Īs an example there are generally three levels that exist within a typical GMK: On the middle levels, management and small teams require access to only their certain areas. On the top level of the system, head of departments and managers may require unrestricted access to large areas of the building. Within large organisations, clear and well defined structures are essential. For added convenience master key systems can also incorporate our office furniture locks and other industrial application locks. A master key will allow access to every cylinder within the system, which is highly convenient for a Managing Director or an Executive as they then have access to any area within the building. In private homes and small to medium sized businesses access to all areas is often restricted to a select number of individuals. With our range of system profiles available, we are able to cater for the largest master key systems such as hospitals and universities, as well as smaller systems such as small offices and Doctor Surgeries. The DOMXL is a Microsoft Excel document with additional functionality that is available to all customers. Using the DOMXL tool, both simple and complex master key charts can be designed with ease. There are many things to consider when designing a master key system but whatever the size and nature of the project, our master keying department will ensure that a clear and concise solution is reached. Your master key system will be designed with the utmost care to your specification by our expert team. We provide a master keying service for any size system at no extra cost when using our cylinders.
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