If you want to migrate from one keystore type to another, then you must first set TDE_CONFIGURATION parameter to the keystore type that you want to use, and then use the ADMINISTER KEY MANAGEMENT statement to perform the migration.
For example, if you set TDE_CONFIGURATION to FILE, for Transparent Data Encryption keystores, then Oracle Database creates a directory named tde (lower case) within the wallet directory. After you set the type of keystore using TDE_CONFIGURATION, when you create the keystore, Oracle Database creates a directory within the WALLET_ROOT location for the keystore type. If you omit the TDE_CONFIGURATION parameter, then Oracle Database uses the sqlnet.ora file settings. The TDE_CONFIGURATION parameter specifies the type of keystore (software keystore, hardware keystore, or Oracle Key Vault keystore). (Typically, this directory is called wallet.) Before you set WALLET_ROOT, ensure that you have an existing directory that you can use to store keystores. The WALLET_ROOT parameter specifies the keystore directory location. You can query a set of dynamic and data dictionary views to find more information about Transparent Data Encryption (TDE) data.īefore you can configure keystores and begin to encrypt data, you must perform a one-time configuration using the WALLET_ROOT and TDE_CONFIGURATION parameters to designate the location and type of keystores that you plan to create.
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You can perform encryption operations on both offline and online tablespaces and databases. Encryption Conversions for Tablespaces and Databases.You can use Transparent Data Encryption to encrypt individual columns in database tables.
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The search order for the TDE keystore depends on how you have set either the instance initialization parameters, the sqlnet.ora parameters, or the environment variables.Ī software keystore is a container for the master encryption key, and it resides in the software file system.Ī hardware keystore resides in a hardware security module (HSM), which is designed to store encryption keys. Transparent Data Encryption Keystore Search Order.To configure Transparent Data Encryption, you must perform a one-time setup before you create keystores and encrypt data.
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