Patent ID: 6226618
Filing Date: 2001-05-01
Classification: G06F,G06Q,H04L,H04W

Abstract:
A method of securely providing data to a user's system, said method comprising the steps of:encrypting the data using a first encrypting key;encrypting a first decrypting key using a second encrypting key;transferring the encrypted data, which has been encrypted with the first encrypting key, to the user's system;transferring the encrypted first decrypting key, which has been encrypted with the second encrypting key, to the user's system;transferring the encrypted first decrypting key, which has been encrypted with the second encrypting key, to a clearing house that possesses a second decrypting key;decrypting the first decrypting key using the second decrypting key; andtransferring the decrypted first decrypting key to the user's system.