User Guide

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When to Use Public and Private Keys

Several scenarios are listed below, each indicating the types of keys that will be needed by your organization and trading partners.

Requirement	What your organization needs	What your trading partner needs
Encrypt files, which will be sent to a trading partner	The trading partner’s public key to encrypt the files	Their private key to decrypt the files
Encrypt and Sign files, which will be sent to a trading partner	• The trading partner’s public key to encrypt the files • Your organization’s private key to sign the files	• Their private key to decrypt the files • Your organization’s public key to verify the files signatures
Decrypt files, which will be received from a trading partner	Your organization’s private key to decrypt the files	Your organization’s public key to encrypt the files
Decrypt and Verify the digital signatures of files, which files will be received from a trading partner	• Your organization’s private key to decrypt the files • The trading partner’s public key to verify the signatures on the files	• Your organization’s public key to encrypt the files • Their private key to sign the files