Store credit card number using openssl rsa(Encryption & Decryption)

There are lots of ways to store credit card information in a datastore with the two way encryption method. I would like to share one with Openssl RSA-dse3 with 2048 bits. Lets start playing with it. 

#Requirements:

1) Openssl (yum install openssl) # centos flavor

# Now if need to create public and private key. Public key to decrypt and private key to encrypt.

* Create private key(Details: http://www.openssl.org/docs/apps/genrsa.html)

[root@localhost sudhir]# openssl genrsa -des3 -out private.pem 2048

Generating RSA private key, 2048 bit long modulus

..........................+++

......+++

e is 65537 (0x10001)

Enter pass phrase for private.pem:

Verifying - Enter pass phrase for private.pem:

[root@localhost sudhir]#

* View generated file

[root@localhost sudhir]# ls -la

drwxr-xr-x 2 root root 4096 Nov 24 21:03 .

drwxr-x--- 16 root root 4096 Nov 24 21:03 ..

-rw-r--r-- 1 root root 1751 Nov 24 21:04 private.pem

[root@localhost sudhir]#

* Check whats in private.pem file

[root@localhost sudhir] rvim ./private.pem

-----BEGIN RSA PRIVATE KEY-----

Proc-Type: 4,ENCRYPTED

DEK-Info: DES-EDE3-CBC,88831CE47DB54B21

Read more: Sudhir Chauhan

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