Encryption for asymmetric data links
AssigneeThe Boeing Company
InventorsGary V. Stephenson, David S. Parkman, David W. Carman
Life of this patent
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Abstract
A method is provided for asymmetrically encrypting data communicated between a ground platform and multiple airborne platforms. The method includes packet encrypting ground-based data so as to preserve routing information while encrypting the remaining data. The packet-encrypted data is then transmitted to the airborne platforms. The method also includes bulk encrypting airborne-based data so as to maximize security. The bulk-encrypted data is then transmitted to the ground platform.
Claims27
A method of transmitting data between a first location and a second location comprising:
- obtaining a first data stream at said first location;
- packet encrypting said first data stream;
- sending said packet encrypted first data stream to said second location;
- obtaining a second data stream at said second location;
- bulk encrypting said second data stream;
- and
- sending said bulk encrypted second data stream to said first location.
A method of transmitting data between a ground segment and an airborne segment of a network comprising:
- obtaining a first data stream at said ground segment;
- packet encrypting said first data stream;
- sending said packet encrypted first data stream to said airborne segment;
- packet decrypting said packet encrypted first data stream at said airborne segment;
- obtaining a second data stream at said airborne segment;
- bulk encrypting said second data stream;
- sending said bulk encrypted second data stream to said ground segment;
- and
- bulk decrypting said bulk encrypted second data stream at said ground segment.
A communications network including a forward link and a return link, the network comprising:
- a packet encryptor on said forward link for packet encrypting data sent thereover while preserving routing information contained in said data;
- and
- a bulk encryptor on said return link for bulk encrypting data sent thereover to maximize security.
Dependencies are inferred from the claim text.