Tag: oracle
All the articles with the tag "oracle".
Using Shiro: Password Hashing and Salting, with Authentication Troubleshooting
This article walks through password hashing, salted storage, and login verification in Shiro and uses its source code to explain credential comparison. It also covers troubleshooting passwords still stored as plaintext and authentication failures after salting, including the roles of the algorithm, salt, and hash iteration count.
Troubleshooting Oracle Connection Errors
This article records a PL/SQL connection failure involving TNS errors. It covers checking connectivity with tnsping, adjusting HOST settings, restarting the listener, testing login with SQL*Plus, and configuring the Oracle home used by PL/SQL.