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Without the master key, no data can be decrypted within the Oracle database. Upon starting up the Oracle
database, an administrator opens an object known as an Oracle Wallet using a password. The wallet contains the master key and must be opened before encrypted data is accessed. The password for the wallet can be separate from the system or DBA password. The database master key must be initialized prior to encryption first being used in the database. Encryption Algorithms TDE supports the 3DES and the Advanced Encryption Standard (AES) encryption algorithms for key sizes up to 256 bits. Oracle Database 10g Release 2 introduces new functionality to dramatically improve the security of batch jobs which use a username and password to connect to the Oracle database. Historically, Oracle Wallets have been used to manage PKI credentials for authentication to the Oracle database. Password-Authenticated Enterprise Users In Oracle8i, Enterprise User Security relied on client-side wallets to authenticate enterprise users. Kerberos Based Authentication with Enterprise User Security Oracle Database 10g Release 1 enterprise user security supports kerberos as an additional authentication mechanism.
Tags : oracle database, authentication mechanism, batch jobs, master key, user security, key sizes, advanced encryption standard, database encryption, 3des, security guide, tde, wallets, wallet, oracle, release 1
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