Invention Grant
US09288043B1 Methods and systems for providing high-security cryptographic keys to mobile radios 有权
为移动无线电提供高安全密钥的方法和系统

Methods and systems for providing high-security cryptographic keys to mobile radios
Abstract:
At least one embodiment takes the form of a process carried out by a key-management infrastructure (KMI). The KMI receives first and second disassembly products of a high-security cryptographic key and provides the first and second disassembly products to a mobile radio for reassembly of the high-security cryptographic key. Providing the first disassembly product to the mobile radio includes providing the first disassembly product to the mobile radio over a local connection via a restricted-access key variable loader. Providing the second disassembly product to the mobile radio includes (i) generating a medium-security-encrypted second disassembly product at least in part by encrypting the second disassembly product based on at least one medium-security cryptographic key, and (ii) providing the medium-security-encrypted second disassembly product to the mobile radio over an air interface.
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