User name and password encryption

satguyz · #1 (**permalink**) 03-19-2005

Hi,
I have usernames and passwords (to connect oracle DB) buried in so many shell scripts.
We want to externalize all usernames and passwords from those shell scripts and encrypt them and keep them in a file.
So far I found two choices,
1) Use some encryption algorithms like (RC5/MD5) to encrypt / decrypt username/password, so that shell scripts calls the algorithm to read encrypted username/password and decrypt them and call sqlplus to logon to oracle DB.

2) Use Crypt command to encrypt/ decrypt .

I enterned into Unix&C world recently. I need your help in making the decision.
If you have any better solution for this, please let me know.

Thanks in advance.

blowtorch · #2 (**permalink**) 03-22-2005

Go with option 1 definitely. crypt is not considered really secure any more.

satguyz · #3 (**permalink**) 03-22-2005

Thanks you very much.

google · #4 (**permalink**) 03-22-2005

After your shell decrypts the password, and calls sqlplus, how do you intend to hide the UID and PWD from being seen in the environment? This is a common problem. Passwords can be easily ascertained by running the ps command.

MxO_online · #5 (**permalink**) 03-23-2005

option 2 is out cuz if you can do it who is to say a "hacker" cant.

kalpana.anuga · #6 (**permalink**) 02-23-2007

Hi satguys,
Even we have the similar requirement.

What are the prerequisites to use RC5/MD5 (do we need to install any thing seperately) and how to use them .Please can you help us in using these .

Thanks

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