This invention relates to a system and method for converting encryption data into at least one preselected image in a manner such that, for example, the entity converting the encryption data into the at least one preselected image is not privy to the meaning or value of the sensitive information. The...http://www.google.es/patents/US5568556?utm_source=gb-gplus-sharePatente US5568556 - System and method for encrypting sensitive information
System and method for encrypting sensitive information
