Patent Document ID: 9444793
Application ID: 12982688

Base Claim:
1. A method for securing data transmitted between a client device and a server comprising: obtaining, by an intermediate module, input text sent from said client device to the server; processing said input text at the intermediate module to obtain processed text, wherein said processing comprises: when the input text is not to be searchable by the server, transforming the input text non-deterministically or a combination of deterministically and non-deterministically, using at least one key to obtain processed text; and when the input text is to be searchable by the server, transforming said input text deterministically, using at least one key to obtain processed text, and including a statistically significant feature in the processed text, the feature including a rarely used character or group of characters; and transmitting the processed text to the server.

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Claim 25:
25. The method of claim 1 , wherein transforming said input text further comprises including at least one excess token in said processed text, said at least one excess token being distinguished from other tokens included in said processed text only after gaining access to a secret key.