Patent ID: 8533479

Claim:
A method for communicating with an intermediate computing device coupled between a first computing device disposed at a first location and a second computing device disposed at a second location, the method comprising: receiving via a communications network from the first computing device multiple portions of a document and a trailer manifest, the multiple portions and the trailer manifest being individually signed and encrypted at the first location in accordance with a first signing and a first encryption methodology, the trailer manifest indicating an order for the second computing device to assemble the multiple portions into a document; decrypting the individual portions of the documents and verifying the signatures of the individual portions of the document using the first signing and encrypting methodology; decrypting the trailer manifest and verifying the signatures of the trailer manifest using the first signing and encrypting methodology; re-signing and re-encrypting the individual portions of the decrypted and verified document with a second signing and a second encryption methodology such that the individual portions document can be decrypted and validated at a second location; re-signing and re-encrypting the decrypted and verified trailer manifest with the second signing and the second encryption methodology such that the trailer manifest can be decrypted and validated at a second location; and transmitting the re-signed and re-encrypted individual portions of the document with the re-signed and re-encrypted trailer manifest to the second computing device via a communications network, the trailer manifest to be used by the second computing device to determine an order to assemble the multiple portions into a document.