Method and system of using a local hosted cache and cryptographic hash functions to reduce network traffic

A method, comprising:

• receiving, at a server, a first request message from a client over a network, wherein the first request message comprises an indication of a first set of data stored at the server;
• determining, at the server, that the first request message is a request for encrypted data and the first request message contains an indication that the client is enabled to use a hosted cache;
• generating a set of hashes using a first hash function for the first set of data stored at the server;
• transmitting, by the server to the client via the network, the set of hashes without the first set of data;
• receiving, by the server, a second request message from the client over the network, wherein the second request message contains an indication of a second set of data stored at the server;
• determining, at the server, that the second request message is a request for non-encrypted data;
• and
• providing to the client the second set of data.

A server system, comprising:

• at least one processor;
• memory, operatively connected to the at least one processor and storing instructions that, when executed by the at least one processor, cause the system to perform a method, the method comprising:
• receiving, at the server system, a first request message from a client over a network, wherein the first request message comprises an indication of a first set of data stored at the server system;
• determining, at the server system, that the first request message is a request for encrypted data and the first request message contains an indication that the client is enabled to use a hosted cache;
• generating a set of hashes using a first hash function for the first set of data stored at the server system;
• transmitting, by the server system to the client via the network, the set of hashes without the first set of data;
• receiving, by the server system, a second request message from the client over the network, wherein the second request message contains an indication of a second set of data stored at the server system;
• determining, at the server system, that the second request message is a request for non-encrypted data;
• and
• providing to the client the second set of data.

A computer memory storing instructions that, when executed by at least one processor, perform a method, the method comprising:

• receiving, at a server, a first request message from a client over a network, wherein the first request message comprises an indication of a first set of data stored at the server;
• determining, at the server, that the first request message is a request for encrypted data and the first request message contains an indication that the client is enabled to use a hosted cache;
• generating a set of hashes using a first hash function for the first set of data stored at the server;
• transmitting, by the server to the client via the network, the set of hashes without the first set of data;
• receiving, by the server, a second request message from the client over the network, wherein the second request message contains an indication of a second set of data stored at the server;
• determining, at the server, that the second request message is a request for non-encrypted data;
• and
• providing to the client the second set of data.