Root key compromise recovery

Details Root key compromise recovery Root key compromise recovery

1995-11-14

1997-10-21

Tarcza, Thomas H.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 30, H04L 908

Patent

active

056804580

ABSTRACT:
A method of recovering from a compromise of a root key which is the private key of a first public key-private key pair, the method including the steps of electronically sending out an emergency message indicating that the root key has been compromised and also containing a replacement key and a digital signature which was generated by using the root key; and publishing in an out-of-band channel a value V, wherein V is derived from the emergency message.

REFERENCES:
patent: 4799258 (1989-01-01), Davies
patent: 5469507 (1995-11-01), Canetti et al.
patent: 5499294 (1996-03-01), Friedman

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