Last updated on JUNE 23, 2017
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.5 to 18.104.22.168 [Release 10.2 to 12.1]
Information in this document applies to any platform.
When trying to use DBMS_CRYPTO in order to encrypt Character LOBs (CLOBs), there are some extra steps required since the encrypted data is usually stored as a Binary LOB (BLOB). There are functions and procedures available within DBMS_CRYPTO in order to do this, but although the documentation gives examples for standard BLOBs, there is little in the way of examples for CLOBs. This document gives a coding example, based on the example in the Database Security Guide, in the section Developing Applications Using the Data Encryption API (for example, in 11.2, see http://docs.oracle.com/cd/E11882_01/network.112/e36292/data_encryption.htm#DBSEG337).
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