Method and apparatus for providing an adaptable security level in an electronic communication
First Claim
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1. A method of communicating between a first correspondent and a second correspondent in a data communication system comprising:
- assembling a data stream at said first correspondent, said data stream having at least one frame, said frame having a header and data;
determining, by the first correspondent, a security level for said frame;
incorporating, by the first correspondent, in said header, an indication of a frame type and an indication of said security level; and
forwarding, by the first correspondent, said frame to said second correspondent, wherein said frame type is associated with a policy, and said policy indicates a minimum security level for said frame type, said frame being acceptable by said second correspondent if said security level meets the minimum security level and said frame being not acceptable by said second correspondent if said security level does not meet the minimum security level.
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Abstract
A method of communicating in a secure communication system, comprises the steps of assembling a message at a sender, then determining a frame type, and including an indication of the frame type in a header of the message. The message is then sent to a recipient and the frame type used to perform a policy check.
107 Citations
15 Claims
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1. A method of communicating between a first correspondent and a second correspondent in a data communication system comprising:
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assembling a data stream at said first correspondent, said data stream having at least one frame, said frame having a header and data; determining, by the first correspondent, a security level for said frame; incorporating, by the first correspondent, in said header, an indication of a frame type and an indication of said security level; and forwarding, by the first correspondent, said frame to said second correspondent, wherein said frame type is associated with a policy, and said policy indicates a minimum security level for said frame type, said frame being acceptable by said second correspondent if said security level meets the minimum security level and said frame being not acceptable by said second correspondent if said security level does not meet the minimum security level. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of verifying a communication between a first correspondent and a second correspondent in a data communication system comprising said second correspondent:
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receiving, at said second correspondent and from said first correspondent, a frame having a header and data, said header including an indication of a frame type and an indication of a security level; determining, by said second correspondent, said frame type from said header; correlating, by said second correspondent, said frame type to a policy, wherein the policy indicates a minimum security level for said frame type; and determining, by said second correspondent and based on said policy, whether to accept said frame type according to whether said security level meets the minimum security level. - View Dependent Claims (11, 12, 13, 14, 15)
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Specification