公开(公告)号：US09020150B2

公开(公告)日：2015-04-28

申请号：US13887361

申请日：2013-05-05

Applicant: Empire Technology Development LLC

Inventor： Nathan Zachary Beckmann ,  Miodrag Potkonjak

IPC: G06F21/00 ,  G06F21/60 ,  G06F9/455

CPC classification number: G06F21/602 ,  G06F9/455 ,  G09C1/00 ,  H04L9/002 ,  H04L9/0866

Abstract: Differential uncloneable variability-based cryptography techniques are provided. The differential cryptography includes a hardware based public physically uncloneable function (PPUF) to perform the cryptography. The PPUF includes a first physically uncloneable function (PUF) and a second physically uncloneable function. An arbiter determines the output of the circuit using the outputs of the first and second PUFs. Cryptography can be performed by simulating the PPUF with selected input. The output of the simulation, along with timing information about a set of inputs from where the corresponding input is randomly selected for simulation, is used by the communicating party that has the integrated circuit with the PPUF to search for an input that produces the output. The input can be configured to be the secret key or a part of the secret key.

Abstract translation: 提供基于差分的基于可变性的基于变体的加密技术。 差分加密技术包括用于执行密码学的基于硬件的公共物理上不可克隆功能（PPUF）。 PPUF包括第一物理上不可克隆的功能（PUF）和第二物理上不可克隆的功能。 仲裁器使用第一和第二PUF的输出来确定电路的输出。 可以通过使用选择的输入模拟PPUF来执行加密。 具有与PPUF的集成电路的通信对方使用模拟的输出以及关于从其中随机选择相应输入用于模拟的一组输入的定时信息来搜索产生输出的输入。 输入可以被配置为秘密密钥或秘密密钥的一部分。