Research of New Forms of Pseudorandom Random Function

doi:10.3969/j.issn.1671-1122.2023.05.002

Abstract

Abstract:

The outsourcing of computing and data storage services has become a common practice with the rise in popularity of the cloud computing model, and concerns about data security and privacy protection are receiving more and more attention from business community and academic community. One of the current research topics in cryptography is new forms of Pseudorandom Function (PRF), a tool for retrieval and a solution to one of the problems with ciphertext security. Many cryptographic primitives are currently being investigated to target encrypted data secure computing, such as fully homomorphic encryption (FHE), lattice-based cryptography, threshold cryptography, secure multiparty computing and PRF. The study of new forms of PRF is now primarily focused on three aspects: 1) lattice-based private constrained PRF with verifiability; 2) lattice-based constrained PRF with adaptive security; and 3) lattice-based multi-point puncturable PRF with applicability. In a nutshell, this paper thoroughly analyzed the significant research findings in this area.

Key words: lattice-based cryptography, fully homomorphic encryption, secure multiparty computing, pseudorandom function, encrypted data secure computing

CLC Number:

TP309

LI Zengpeng, WANG Mei, CHEN Mengjia. Research of New Forms of Pseudorandom Random Function[J]. Netinfo Security, 2023, 23(5): 11-21.

Figures/Tables 6

References 71

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PRF类型	相关研究
khPRFs	文献[6,15,28,29]方案
cPRFs	文献[3-5,28-32]方案
pcPRFs	文献[4,17,18,33-35]方案
VRFs	文献[23,36,37]方案
cVRFs	文献[24,25]方案

方案	假设	工具	模型	功能	密钥数	Eval.O	备注
文献[3]方案	OWF	GGM	标准	puncture	N/A	N/A
文献[3]方案	BDDH	Pairing	ROM	left/right	multi	√
文献[4]方案	OWF	GGM	标准	puncture	N/A	N/A
文献[5]方案	OWF	GGM	标准	puncture	N/A	N/A
文献[28]方案	LWE&1D-SIS	Lattice	标准	circuit	single	√	key-hom
文献[29]方案	LWE	Lattice	标准	prefix-fixing	multi	√	key-hom
文献[37]方案	L-power DDH	Lattice	标准	sub-match	single	×
文献[37]方案	$\phi $-hiding	Lattice	标准	sub-match	single	×
文献[36]方案	DDH	Lattice	标准	sub-match	single	×

受限伪随机函数	相关研究	密钥
prefix-constrained PRF	文献[3-5]方案	keys for sets ${{S}_{p}}=\{p\|\|z\|\in {{\{0,1\}}^{n-\|p\|}}\}$
bit-fixing PRF	文献[3]方案	keys for sets defined by $u\in {{\{0,1,?\}}^{n}}$ as ${{S}_{v}}=\{z\in {{\{0,1\}}^{n}}\|\forall i:{{z}_{i}}={{v}_{i}}\vee {{v}_{i}}=\}$
circuit-constrained PRF	文献[3]方案	keys defined by circuit C ${{S}_{C}}=\{z\in {{\{0,1\}}^{n}}\|C(z)=1\}$

方案	假设	工具	模型	功能	密钥数	Eval.O	备注
文献[4] 方案	OWF	GGM	标准	puncture	N/A	N/A
文献[19]方案	iO	Obf	标准	puncture	multi	√	programmable
文献[19]方案	iO	Obf	标准	bit-fixing	multi	√
文献[17]方案	LWE& 1D-SIS	Lattice	标准	puncture	N/A	N/A
文献[18]方案	LWE	Lattice	标准	bit-fixing	single	√
文献[18]方案	LWE	Lattice	标准	NC1	single	√
文献[33]方案	LWE	Lattice	标准	circuit	single	√
文献[34]方案	LWE	Lattice	标准	circuit	single	√	programmable
文献[35]方案	DDH	Group	标准	bit-fixing	single	√

假设	相关研究
Bilinear Pairing	文献[51-54]方案
DLIN	文献[55]方案
MDDH	文献[24,25,56,57]方案
Lattice	文献[37]方案