Efficient and Secure Data Storage in 5G Industrial Internet Collaborative Systems

doi:10.12142/ZTECOM.202601007

ZTE Communications ›› 2026, Vol. 24 ›› Issue (1): 45-55.DOI: 10.12142/ZTECOM.202601007

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Efficient and Secure Data Storage in 5G Industrial Internet Collaborative Systems

Wang Jigang¹^,²(), Liu Dong¹^,², Wan Changsheng³, Lu Ping¹^,²

^1.State Key Laboratory of Mobile Network and Mobile Multimedia Technology, Shenzhen 518055, China
^2.ZTE Corporation, Shenzhen 518057, China
^3.Southeast University, Nanjing 210096, China

Received:2024-06-26 Online:2026-03-25 Published:2026-03-17
About author:Wang Jigang (wang.jigang@zte.com.cn) is General Manager of the Cybersecurity Product Line at ZTE Corporation. His research interests include operating systems, cybersecurity, and cloud computing. Dr. Wang has participated in and supported a number of national key science and technology projects and national science and technology support programs, and has published multiple academic papers.
Liu Dong is Deputy Director of the Central Research Institute at ZTE Corporation. His research interests include operating systems, cybersecurity, and cloud computing. He has participated in and supported a number of national key science and technology projects and national science and technology support programs, and has published multiple academic papers.
Wan Changsheng received his BS degree in applied physics and PhD degree in physical electronics from University of Science and Technology of China in 1999 and 2004, respectively. Since June 2009, he has been with Southeast University, where he is currently a professor with the School of Cyber Science and Engineering. His research interests include network security, wireless communication, and data mining.
Lu Ping is the Vice President and Director of the R&D Project in the Technology Planning Department at ZTE Corporation. He also serves as the Executive Deputy Director of the National Key Laboratory of Mobile Network and Mobile Multimedia Technology. His research directions include cloud computing, big data, augmented reality, and multimedia service-based technologies.
Supported by:
ZTE Industry?University?Institute Cooperation Funds(IA20230628015);the State Key Laboratory of Particle Detection and Electronics(SKLPDE?KF?202314)

Abstract

Abstract:

Security and access control for data storage in 5G industrial Internet collaborative systems are facing significant challenges. The characteristics of 5G networks, such as low latency and high speed, facilitate data transmission in the industrial Internet but also increase vulnerability to attacks like theft and tampering. Moreover, in 5G industrial Internet collaborative system environments, data flows across multiple entities and links, which necessitates a flexible access control model to meet specific data access requirements. Traditional role-based and attribute-based access control mechanisms are difficult to apply in such dynamic application scenarios. To address these challenges, we propose a novel data storage solution for 5G industrial Internet collaborative systems. Similar to existing approaches, it provides integrity and confidentiality protection for transmitted data. In terms of security, only authenticated data owners and users can obtain file decryption keys, preventing malicious attackers from data forgery. Regarding access control, decryption is permitted only to authorized data users, safeguarding against unauthorized file access. Furthermore, by introducing an attribute-based encryption mechanism, only data users with specific attributes can decrypt files. In terms of efficiency, our approach utilizes bilinear and modular exponentiation operations solely during the authentication process. For handling substantial data loads, lightweight cryptographic algorithms are employed. Consequently, our solution achieves higher efficiency compared with other known methods. Experimental results demonstrate the feasibility of our approach in real-world applications.

Key words: 5G industrial Internet collaborative systems, data storage, identity-based authentication, access control

Wang Jigang, Liu Dong, Wan Changsheng, Lu Ping. Efficient and Secure Data Storage in 5G Industrial Internet Collaborative Systems[J]. ZTE Communications, 2026, 24(1): 45-55.

Figures/Tables 7

Figure 1 System model and interaction among four entities in a typical data storage scheme for 5G industrial Internet collaborative systems

Figure 2 System model and workflow of the proposed scheme

Table 1 Key notations and definitions in this paper

Notation	Description
$G$ , $g$ , $p$	The cyclic group, its generator, and prime order
$I D p r o d$ , $I D v$	Identities of the data owner and the data user, respectively
$s k p r o d$ , $s k v$	Keying materials for $I D p r o d$ and $I D v$ , respectively
$H ()$ , $h ()$	Hash functions
$F$	The file to be uploaded and downloaded
$σ F$ , $σ M$ , $σ A$ , $σ k F$	The digital signature of $F$ , $M$ , $A$ and $k F$ , respectively
$C F$ , $C A$ , $C k F$	The ciphertext of $F$ , $A$ and $k F$
$D e c k ()$	Decryption function
$A$	The attribute values of the data user
$M$	Random number generated by the data owner for authentication
$r 1$ , $r 2$	Random numbers generated by the data owner and the data user for authentication, respectively
$k F$	Key generated by the data owner for encrypting the file $F$
$p k a$ , $s k a$ , $p k b$ , $s k b$	Two sets of public and private keys of the authentication server
$R 1$ , $T 1$	Parameters used for mutual authentication between the data owner and the data user
$E n c k F ()$ , $E n c k ()$	The symmetric encryption function with keys $k F$ and $k$
$k$	The session key
$s k r e q, p k r e q$	Secret and public information of the authentication request message
$p k r e s p$	Public information of the authentication response message
$P U B$	The set of public keying materials

Table 1 Key notations and definitions in this paper

Notation	Description
$G$ , $g$ , $p$	The cyclic group, its generator, and prime order
$I D p r o d$ , $I D v$	Identities of the data owner and the data user, respectively
$s k p r o d$ , $s k v$	Keying materials for $I D p r o d$ and $I D v$ , respectively
$H ()$ , $h ()$	Hash functions
$F$	The file to be uploaded and downloaded
$σ F$ , $σ M$ , $σ A$ , $σ k F$	The digital signature of $F$ , $M$ , $A$ and $k F$ , respectively
$C F$ , $C A$ , $C k F$	The ciphertext of $F$ , $A$ and $k F$
$D e c k ()$	Decryption function
$A$	The attribute values of the data user
$M$	Random number generated by the data owner for authentication
$r 1$ , $r 2$	Random numbers generated by the data owner and the data user for authentication, respectively
$k F$	Key generated by the data owner for encrypting the file $F$
$p k a$ , $s k a$ , $p k b$ , $s k b$	Two sets of public and private keys of the authentication server
$R 1$ , $T 1$	Parameters used for mutual authentication between the data owner and the data user
$E n c k F ()$ , $E n c k ()$	The symmetric encryption function with keys $k F$ and $k$
$k$	The session key
$s k r e q, p k r e q$	Secret and public information of the authentication request message
$p k r e s p$	Public information of the authentication response message
$P U B$	The set of public keying materials

Table 2 Computational costs of basic cryptographic operations (μs)

$T m m$	$T h$	$T p$	$T m e$	$T E N C$	$T D E C$
0.5	1.8	689.3	79.5	3.8	1.4

Table 2 Computational costs of basic cryptographic operations (μs)

$T m m$	$T h$	$T p$	$T m e$	$T E N C$	$T D E C$
0.5	1.8	689.3	79.5	3.8	1.4

Table 3 Comparison of computational costs (ms)

Metric	Proposed Data Storage Scheme	Ref. [21]	Ref. [22]
$T S$	$4 T m e = 0.32$	$2 η t + 2 T p + 4 T m e = 1.38 η t + 1.70$	$2 η t T p + 5 T m e = 1.38 η t + 0.40$
$T U$	$2 T p + 2 T m e = 1.54$	$η n l n + 6 T m e + η v + 3 T p = 0.08 η n l n + 0.69 η v + 2.54$	$5 η τ + η v + 8 T m e + 3 η v + 1 T p = 0.4 η τ + 2.15 η v + 1.33$
$T a$	$2 T p + 6 T m e = 1.86$	$η n l n + 10 T m e + 2 η t + η v + 5 T p = 1.38 η t + 0.08 η n l n + 0.69 η v + 4.24$	$5 η τ + η v + 13 T m e + 3 η v + 2 η t + 1 T p = 1.38 η t + 0.4 η τ + 2.15 η v + 1.73$

Table 3 Comparison of computational costs (ms)

Metric	Proposed Data Storage Scheme	Ref. [21]	Ref. [22]
$T S$	$4 T m e = 0.32$	$2 η t + 2 T p + 4 T m e = 1.38 η t + 1.70$	$2 η t T p + 5 T m e = 1.38 η t + 0.40$
$T U$	$2 T p + 2 T m e = 1.54$	$η n l n + 6 T m e + η v + 3 T p = 0.08 η n l n + 0.69 η v + 2.54$	$5 η τ + η v + 8 T m e + 3 η v + 1 T p = 0.4 η τ + 2.15 η v + 1.33$
$T a$	$2 T p + 6 T m e = 1.86$	$η n l n + 10 T m e + 2 η t + η v + 5 T p = 1.38 η t + 0.08 η n l n + 0.69 η v + 4.24$	$5 η τ + η v + 13 T m e + 3 η v + 2 η t + 1 T p = 1.38 η t + 0.4 η τ + 2.15 η v + 1.73$

Table 4 Comparison of message lengths (bit)

Metric	Proposed Data Storage Scheme	Ref. [21]	Ref. [22]
$L A$	$4 G 1 + 172 4$	$4 G 1 + 2 τ$	$3 η τ + 9 G 1 + τ$
$L U$	$512 + 2 C F$	$η τ + 3 G 1 + τ$	$6 η τ + 7 G 1 + 2 τ$
L_en	$4 G 1 + 233 6 + 2 C F$	$(η τ + 7) G 1 + 3 \| τ \|$	$(9 η τ + 16) G 1 + 3 \| τ \|$

Table 4 Comparison of message lengths (bit)

Metric	Proposed Data Storage Scheme	Ref. [21]	Ref. [22]
$L A$	$4 G 1 + 172 4$	$4 G 1 + 2 τ$	$3 η τ + 9 G 1 + τ$
$L U$	$512 + 2 C F$	$η τ + 3 G 1 + τ$	$6 η τ + 7 G 1 + 2 τ$
L_en	$4 G 1 + 233 6 + 2 C F$	$(η τ + 7) G 1 + 3 \| τ \|$	$(9 η τ + 16) G 1 + 3 \| τ \|$

Figure 3 Computational time over different file sizes

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Efficient and Secure Data Storage in 5G Industrial Internet Collaborative Systems

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