Encrypt file using SSF ABAP

Hi Everyone,
I want to encrypt the file using SSF ABAP. Actually system is not yet installed with SAPCRYPTO software.For this insatllation basis people is required or ABAP people is required?
for that how to do the necessary setting in STRUST in following way :
1. Create Certificate request
2. Send it to Service.sap.com to get Request response
3. Import the Certificate request response to PSE
4. Export the certificate from receiver's PSE
5. Import that certificate to sender's PSE
6. how to test this connections
7. how to get Public & private key
8. how to start with this to encode the file?
Very new to SSF.
Your help will be appriciated.

To install the SapCrypto library, a basis is needed (the library need to be downloaded and pasted to a system directory, then update the system profile settings with sapcrypto's library path)
For informations, take a look to this help:
http://help.sap.com/saphelp_nw2004s/helpdata/en/4d/bf6f77a2c5446a86e0152f1b309db6/frameset.htm

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