利用细粒度采样的低开销双输出异或门真随机数发生器研究

姚亮; 黄正峰; 梁华国; 鲁迎春

doi:10.11999/JEIT230304

利用细粒度采样的低开销双输出异或门真随机数发生器研究

doi: 10.11999/JEIT230304

1.
安徽大学集成电路学院合肥 230000
2.
合肥工业大学微电子学院合肥 230009

基金项目: 国家自然科学基金面上项目(62174048, 62274052)，国家自然科学基金重大科研仪器研制项目(62027815)，国家自然科学基金重点合作项目(61834006)，中央高校基本科研业务费专项资金资助(JZ2022HGQA0233)

详细信息

作者简介:
姚亮：男，讲师，研究方向为硬件安全及集成电路设计

黄正峰：男，教授，博士生导师，研究方向为集成电路容错设计、集成电路抗辐射加固设计及硬件安全

梁华国：男，教授，研究方向为集成电路测试与设计

鲁迎春：男，副教授，硕士生导师，研究方向为硬件安全

通讯作者:
鲁迎春　luyingchun@hfut.edu.cn

中图分类号: TN402
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- 被引次数: 0
出版历程
- 收稿日期: 2023-04-19
- 修回日期: 2023-08-16
- 网络出版日期: 2023-08-21
- 刊出日期: 2023-09-27

Research on Low-overhead Dual-output XOR Gate True Random Number Generator Utilizing Fine-grained Sampling

1.
School of Integrated Circuits, Anhui University, Hefei 230000, China
2.
School of Microelectronics, Hefei University of Technology, Hefei 230009, China

Funds: The General Program of National Natural Science Foundation of China (62174048, 62274052), The Research and Development Project of Major Scientific Research Instruments of the National Natural Science Foundation of China (62027815), The National Natural Science Foundation of China Key Cooperation Project (61834006), The Special Fund for Basic Research Business Funds of Central Universities (JZ2022HGQA0233)

摘要

摘要: 真随机数生成器(TRNG)是安全应用中的关键构建模块，能够为数据加密、随机数和初始化向量提供高质量的随机位。环形振荡器(RO)TRNG是一种广泛的应用设计，以支持各种与安全相关的应用。但是，在FPGA中实现RO TRNG时通常会产生很高的硬件开销。因此，一种基于双输出异或门单元的低开销RO TRNG在该文中被提出，仅使用单个可配置逻辑块即可构建TRNG的熵源。通过多相位细粒度采样机制，将电路抖动有效地采集捕捉到。所提RO TRNG在AMD Xilinx Viretx-6和Artix-7两款FPGA上进行实现与验证，实验结果表明，所提RO TRNG硬件开销低，能够产生质量满意的随机序列。
- 真随机数发生器 /
- 细粒度采样 /
- 低面积开销
Abstract: True Random Number Generator (TRNG) is a key building block in security applications that provides the required high-quality random bits for data encryption, cryptographic random numbers, and initialization vectors. The Ring Oscillator (RO) TRNG is a broad application design to support a variety of safety-related applications. However, implementing RO TRNG in FPGAs incurs typically high hardware overhead. Therefore, a low-overhead RO TRNG based on a dual-output XOR gate unit is proposed in this paper, and the entropy source circuit of TRNG can be constructed using only a single configurable logic block. Through the multi-phase fine-grained sampling mechanism, circuit jitter is effectively collected and captured. The proposed RO TRNG is implemented and verified on AMD Xilinx Viretx-6 and Artix-7 series FPGAs, and the experimental results show that the proposed RO TRNG hardware overhead is low and the quality of the random sequence is satisfactory.
- True Random Number Generator(TRNG) /
- Fine-grained sampling /
- Low overhead

HTML全文

图 1 细粒度采样示意图

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图 2 异或门逻辑单元

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图 3 提出的TRNG结构

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图 4 自相关测试

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图 5 Xilinx Virtex-6和Artix-7 FPGA上NIST SP800-90BNon-IID 9项测试结果

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图 6 Virtex-6上温度电压变化测试结果图

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表 1 Xilinx Virtex-6和Artix-7上NIST SP800-22测试结果

NIST 随机性测试项	Virtex-6 FPGA		Artix-7 FPGA
NIST 随机性测试项	P-value	Prop.(%)	P-value	Prop(%)
频率检验	0.496 605	100	0.417146	100
累加和检验	0.607 715	100	0.557145	100
块内频数检验	0.470 025	100	0.341 223	99
游程检验	0.717 631	99	0.544 285	100
块内最长游程检测	0.360 79	100	0.439 515	98
2元矩阵秩检验	0.166 805	100	0.636 792	99
离散傅里叶变换检验	0.588 595	98	0.409 091	100
非重叠模块匹配检测	0.452 413	99	0.452 517	100
重叠模块匹配检验	0.480 335	100	0.544 095	99
通用统计检验	0.395 355	100	0.678 435	98
近似熵检验	0.329 119	99	0.439 280	100
随机游动检验	0.300 740	100	0.482 493	99
随机游动状态频数检验	0.420 495	99	0.480 785	100
序列检验	0.246 073	100	0.186 504	100
线性复杂度检验	0.430 225	100	0.419 696	100

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表 2 AIS-31的T8字节熵测试

	开发套件
	Virtex-6	Artix-7
熵值	7.998671	7.996367

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表 3 相关TRNG的性能比较

TRNG结构	结构	实验平台	资源消耗	吞吐量(Mbit/s)
文献[18]	STR	Vitex-5/6, Spartan-3E	32LUTs 48DFFs	32
文献[9]	DCM	Zynq-7	38LUTs 121DFF	100
文献[19]	PLL	Kintex UltraScale	1PLL 5Primitives 5Slice	100
文献[20]	RO	Artix-7	75LUTs 419DFFs	120
文献[21]	FIGARO	Zynq-7	866LUTs	80
本文	M_DXOR	Virtex-6, Artix-7	3LUTs 4DFFs 1PLL	100

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参考文献(21)

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