Patent ID: 8788426
Filing Date: 2014-07-22
Classification: G16H,H04L

Abstract:
1. A method of preparing computer-readable medical prescriptions, comprising: encrypting, by one or more computers, a prescription for medication with a prescription key; encrypting, by the computers, the prescription key; creating, by the computers, an encrypted session key by encrypting session numbers of an unencrypted session key using device keys that are available at one or more authorized receiving devices, wherein the unencrypted session key is derived by logically combining the session numbers; creating, by the computers, a key management block that includes the encrypted session key, wherein the encrypted session key is decrypted by the one or more authorized receiving devices in order to decrypt the encrypted prescription key; writing, by the computers, the encrypted prescription key to a machine-readable medium; writing, by the computers, the encrypted prescription to the machine-readable medium; and writing, by the computers, the key management block to the machine-readable medium.