Encryption

How to Resolve ORA-28232: invalid input length for obfuscation toolkit

by Ed Chen
July 17, 2021May 29, 2021

ORA-28232 Developers tried to obfuscate data by DBMS_OBFUSCATION_TOOLKIT in a database with multi-byte character set and got this error. ORA-28232: invalid input length for obfuscation… Read More »

What Can We See in a Normal Data File

by Ed Chen
October 30, 2019January 14, 2020

You might think that the content of a normal data file should be unrecognized binary text and we cannot really see it except using special… Read More »