Applied Cryptography for Security and Privacy in Wireless Sensor Networks

2009 ◽  
Vol 3 (3) ◽  
pp. 14-36
Author(s):  
Dulal C. Kar ◽  
Hung L. Ngo ◽  
Geetha Sanapala
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Sensor Network ◽  
Public Key Cryptography ◽  
Sensor Nodes ◽  
Public Key ◽  
Wireless Sensor ◽  
Identity Based ◽  
Symmetric Key ◽  
Symmetric Key Cryptography

It is challenging to secure a wireless sensor network (WSN) because its inexpensive, tiny sensor nodes do not have the necessary processing capability, memory capacity, and battery life to take advantage of the existing security solutions for traditional networks. Existing security solutions for wireless sensor networks are mostly based on symmetric key cryptography with the assumption that sensor nodes are embedded with secret, temporary startup keys before deployment thus avoiding any use of computationally demanding public key algorithms altogether. However, symmetric key cryptography alone cannot satisfactorily provide all security needs for wireless sensor networks. It is still problematic to replenish an operational wireless sensor network with new sensor nodes securely. Current research on public key cryptography for WSNs shows some promising results, particularly in the use of elliptic curve cryptography and identity based encryption for WSNs. Although security is essential for WSNs, it can complicate some crucial operations of a WSN like data aggregation or in-network data processing that can be affected by a particular security protocol. Accordingly, in this paper, we summarize, discuss, and evaluate recent symmetric key based results reported in literature on sensor network security protocols such as for key establishment, random key pre-distribution, data confidentiality, data integrity, and broadcast authentication as well as expose limitations and issues related to those solutions for WSNs. We also present significant advancement in public key cryptography for WSNs with promising results from elliptic curve cryptography and identity based encryption as well as their limitations for WSNs.

Advances in Security and Privacy in Wireless Sensor Networks

Cyber Crime ◽  
2013 ◽  
pp. 1654-1681
Author(s):  
Dulal C. Kar ◽  
Hung L. Ngo ◽  
Clifton J. Mulkey ◽  
Geetha Sanapala
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Sensor Network ◽  
Public Key Cryptography ◽  
Sensor Nodes ◽  
Public Key ◽  
Wireless Sensor ◽  
Identity Based ◽  
Symmetric Key ◽  
Symmetric Key Cryptography

It is challenging to secure a wireless sensor network (WSN) because its inexpensive, tiny sensor nodes do not have the necessary processing capability, memory capacity, and battery life to take advantage of the existing security solutions for traditional networks. Existing security solutions for wireless sensor networks are mostly based on symmetric key cryptography with the assumption that sensor nodes are embedded with secret, temporary startup keys before deployment thus avoiding any use of computationally demanding public key algorithms altogether. However, symmetric key cryptography alone cannot satisfactorily provide all security needs for wireless sensor networks. It is still problematic to replenish an operational wireless sensor network with new sensor nodes securely. Current research on public key cryptography for WSNs shows some promising results, particularly in the use of elliptic curve cryptography and identity based encryption for WSNs. Although security is essential for WSNs, it can complicate some crucial operations of a WSN like data aggregation or in-network data processing that can be affected by a particular security protocol. Accordingly, in this chapter, the authors summarize, discuss, and evaluate recent symmetric key based results reported in literature on sensor network security protocols such as for key establishment, random key pre-distribution, data confidentiality, data integrity, and broadcast authentication as well as expose limitations and issues related to those solutions for WSNs. The authors also present significant advancement in public key cryptography for WSNs with promising results from elliptic curve cryptography and identity based encryption as well as their limitations for WSNs. In addition,they also discuss recently identified threats and their corresponding countermeasures in WSNs.

Applied Cryptography for Security and Privacy in Wireless Sensor Networks

2010 ◽  
pp. 1449-1472
Author(s):  
Dulal C. Kar ◽  
Hung L. Ngo ◽  
Geetha Sanapala
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Sensor Network ◽  
Public Key Cryptography ◽  
Sensor Nodes ◽  
Public Key ◽  
Wireless Sensor ◽  
Identity Based ◽  
Symmetric Key ◽  
Symmetric Key Cryptography

It is challenging to secure a wireless sensor network (WSN) because its inexpensive, tiny sensor nodes do not have the necessary processing capability, memory capacity, and battery life to take advantage of the existing security solutions for traditional networks. Existing security solutions for wireless sensor networks are mostly based on symmetric key cryptography with the assumption that sensor nodes are embedded with secret, temporary startup keys before deployment thus avoiding any use of computationally demanding public key algorithms altogether. However, symmetric key cryptography alone cannot satisfactorily provide all security needs for wireless sensor networks. It is still problematic to replenish an operational wireless sensor network with new sensor nodes securely. Current research on public key cryptography for WSNs shows some promising results, particularly in the use of elliptic curve cryptography and identity based encryption for WSNs. Although security is essential for WSNs, it can complicate some crucial operations of a WSN like data aggregation or in-network data processing that can be affected by a particular security protocol. Accordingly, in this paper, we summarize, discuss, and evaluate recent symmetric key based results reported in literature on sensor network security protocols such as for key establishment, random key pre-distribution, data confidentiality, data integrity, and broadcast authentication as well as expose limitations and issues related to those solutions for WSNs. We also present significant advancement in public key cryptography for WSNs with promising results from elliptic curve cryptography and identity based encryption as well as their limitations for WSNs.

Advances in Security and Privacy in Wireless Sensor Networks

2011 ◽  
pp. 186-213
Author(s):  
Dulal C. Kar ◽  
Hung L. Ngo ◽  
Clifton J. Mulkey ◽  
Geetha Sanapala
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Sensor Network ◽  
Public Key Cryptography ◽  
Sensor Nodes ◽  
Public Key ◽  
Wireless Sensor ◽  
Identity Based ◽  
Symmetric Key ◽  
Symmetric Key Cryptography

It is challenging to secure a wireless sensor network (WSN) because its inexpensive, tiny sensor nodes do not have the necessary processing capability, memory capacity, and battery life to take advantage of the existing security solutions for traditional networks. Existing security solutions for wireless sensor networks are mostly based on symmetric key cryptography with the assumption that sensor nodes are embedded with secret, temporary startup keys before deployment thus avoiding any use of computationally demanding public key algorithms altogether. However, symmetric key cryptography alone cannot satisfactorily provide all security needs for wireless sensor networks. It is still problematic to replenish an operational wireless sensor network with new sensor nodes securely. Current research on public key cryptography for WSNs shows some promising results, particularly in the use of elliptic curve cryptography and identity based encryption for WSNs. Although security is essential for WSNs, it can complicate some crucial operations of a WSN like data aggregation or in-network data processing that can be affected by a particular security protocol. Accordingly, in this chapter, the authors summarize, discuss, and evaluate recent symmetric key based results reported in literature on sensor network security protocols such as for key establishment, random key pre-distribution, data confidentiality, data integrity, and broadcast authentication as well as expose limitations and issues related to those solutions for WSNs. The authors also present significant advancement in public key cryptography for WSNs with promising results from elliptic curve cryptography and identity based encryption as well as their limitations for WSNs. In addition,they also discuss recently identified threats and their corresponding countermeasures in WSNs.

Advances in Security and Privacy in Wireless Sensor Networks

2012 ◽  
pp. 2158-2186
Author(s):  
Dulal C. Kar ◽  
Hung L. Ngo ◽  
Clifton J. Mulkey ◽  
Geetha Sanapala
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Sensor Network ◽  
Public Key Cryptography ◽  
Sensor Nodes ◽  
Public Key ◽  
Wireless Sensor ◽  
Identity Based ◽  
Symmetric Key ◽  
Symmetric Key Cryptography

It is challenging to secure a wireless sensor network (WSN) because its inexpensive, tiny sensor nodes do not have the necessary processing capability, memory capacity, and battery life to take advantage of the existing security solutions for traditional networks. Existing security solutions for wireless sensor networks are mostly based on symmetric key cryptography with the assumption that sensor nodes are embedded with secret, temporary startup keys before deployment thus avoiding any use of computationally demanding public key algorithms altogether. However, symmetric key cryptography alone cannot satisfactorily provide all security needs for wireless sensor networks. It is still problematic to replenish an operational wireless sensor network with new sensor nodes securely. Current research on public key cryptography for WSNs shows some promising results, particularly in the use of elliptic curve cryptography and identity based encryption for WSNs. Although security is essential for WSNs, it can complicate some crucial operations of a WSN like data aggregation or in-network data processing that can be affected by a particular security protocol. Accordingly, in this chapter, the authors summarize, discuss, and evaluate recent symmetric key based results reported in literature on sensor network security protocols such as for key establishment, random key pre-distribution, data confidentiality, data integrity, and broadcast authentication as well as expose limitations and issues related to those solutions for WSNs. The authors also present significant advancement in public key cryptography for WSNs with promising results from elliptic curve cryptography and identity based encryption as well as their limitations for WSNs. In addition,they also discuss recently identified threats and their corresponding countermeasures in WSNs.

Applied Cryptography in Wireless Sensor Networks

2011 ◽  
pp. 146-167 ◽  
Author(s):  
Dulal C. Kar ◽  
Hung L. Ngo ◽  
Clifton J. Mulkey
Keyword(s):  
Sensor Network ◽  
Public Key Cryptography ◽  
Sensor Nodes ◽  
Public Key ◽  
Wireless Sensor ◽  
Distribution Data ◽  
Battery Life ◽  
Key Establishment ◽  
Sensor Network Security ◽  
Symmetric Key Cryptography

It is challenging to secure a wireless sensor network (WSN) because of its use of inexpensive sensor nodes of very limited processing capability, memory capacity, and battery life that preclude using traditional security solutions. Due to perceived excessive computational and architectural overhead, public key algorithms are altogether avoided for WSNs. Currently security in WSNs is provided using only symmetric key cryptography, but it requires keys to be embedded in sensor nodes before deployment and the entire network has to go through a key establishment phase after deployment. Accordingly, in this chapter, we summarize, discuss, and evaluate recent results reported in literature on sensor network security protocols such as for key establishment, random key pre-distribution, data confidentiality, and broadcast authentication. In addition, we discuss promising research results in public key cryptography for WSNs, particularly related to elliptic curve cryptography and its application for identity based encryption.

scholarly journals Implementing RSA for Wireless Sensor Nodes

Sensors ◽  
2019 ◽  
Vol 19 (13) ◽  
pp. 2864 ◽  
Author(s):  
Utku Gulen ◽  
Abdelrahman Alkhodary ◽  
Selcuk Baktir
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Public Key Cryptography ◽  
Sensor Nodes ◽  
Public Key ◽  
Wireless Sensor ◽  
Acceleration Techniques ◽  
Cryptographic Algorithm ◽  
Window Method ◽  
Encryption And Decryption

As wireless sensor networks (WSNs) become more widespread, potential attacks against them also increase and applying cryptography becomes inevitable to make secure WSN nodes. WSN nodes typically contain only a constrained microcontroller, such as MSP430, Atmega, etc., and running public key cryptography on these constrained devices is considered a challenge. Since WSN nodes are spread around in the field, the distribution of the shared private key, which is used in a symmetric key cryptographic algorithm for securing communications, is a problem. Thus, it is necessary to use public key cryptography to effectively solve the key distribution problem. The RSA cryptosystem, which requires at least a 1024-bit key, is the most widely used public key cryptographic algorithm. However, its large key size is considered a drawback for resource constrained microcontrollers. On the other hand, RSA allows for extremely fast digital signature generation which may make it desirable in applications where messages transmitted by sensor nodes need to be authenticated. Furthermore, for compatibility with an existing communication infrastructure, it may be desirable to adopt RSA in a WSN setting. With this work, we show that, in spite of its long key size, RSA is applicable for wireless sensor networks when optimized arithmetic, low-level coding and some acceleration algorithms are used. We pick three versions of the MSP430 microcontroller, which is used widely on wireless sensor network nodes, and implement 1024-bit RSA on them. Our implementation achieves 1024-bit RSA encryption and decryption operations on MSP430 in only 0 . 047 s and 1 . 14 s, respectively. In order to achieve these timings, we utilize several acceleration techniques, such as the subtractive Karatsuba-Ofman, Montgomery multiplication, operand scanning, Chinese remainder theorem and sliding window method. To the best of our knowledge, our timings for 1024-bit RSA encryption and decryption operations are the fastest reported timings in the literature for the MSP430 microcontroller.

Applied Cryptography in Wireless Sensor Networks

2013 ◽  
pp. 471-492
Author(s):  
Dulal C. Kar ◽  
Hung L. Ngo ◽  
Clifton J. Mulkey
Keyword(s):  
Sensor Network ◽  
Public Key Cryptography ◽  
Sensor Nodes ◽  
Public Key ◽  
Wireless Sensor ◽  
Distribution Data ◽  
Battery Life ◽  
Key Establishment ◽  
Sensor Network Security ◽  
Symmetric Key Cryptography

It is challenging to secure a wireless sensor network (WSN) because of its use of inexpensive sensor nodes of very limited processing capability, memory capacity, and battery life that preclude using traditional security solutions. Due to perceived excessive computational and architectural overhead, public key algorithms are altogether avoided for WSNs. Currently security in WSNs is provided using only symmetric key cryptography, but it requires keys to be embedded in sensor nodes before deployment and the entire network has to go through a key establishment phase after deployment. Accordingly, in this chapter, we summarize, discuss, and evaluate recent results reported in literature on sensor network security protocols such as for key establishment, random key pre-distribution, data confidentiality, and broadcast authentication. In addition, we discuss promising research results in public key cryptography for WSNs, particularly related to elliptic curve cryptography and its application for identity based encryption.

scholarly journals A PKC-based security architecture for WSN

2020 ◽  
Vol 309 ◽  
pp. 02006
Author(s):  
Jianbo Yao ◽  
Chaoqiong Yang
Keyword(s):  
Wireless Sensor Network ◽  
Sensor Network ◽  
Public Key Cryptography ◽  
Public Key ◽  
Wireless Sensor ◽  
Security Architecture ◽  
Important Challenge ◽  
Identity Based ◽  
And Storage ◽  
Energy Computation

It is an important challenge to find out suitable cryptography for WSN due to limitations of energy, computation capability and storage resources. Considering this sensor feature on limitations of resources, a security architecture based-on public key cryptography is proposed. The security architecture is based on identity based cryptosystem, but not requires key handshaking. The analysis shows that the security architecture ensures a good level of security and is very much suitable for the resources constrained trend of wireless sensor network.

scholarly journals An efficient approach for secured communication in wireless sensor networks

2020 ◽  
Vol 10 (2) ◽  
pp. 1641
Author(s):  
Jyothi R. ◽  
Nagaraj G. Cholli
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Key Management ◽  
Sensor Nodes ◽  
Wireless Sensor ◽  
Main Concern ◽  
Limited Bandwidth ◽  
New Type ◽  
Symmetric Key ◽  
Secured Communication

Wireless sensor network (WSN) have limited bandwidth, low computational functions, energy constraints. Inspite of these constraints, WSN is useful where communication happens without infrastructure support. The main concern of WSN is the security as the sensor nodes may be attacked and information may be hacked. Security of WSN should have the capability to ensure that the message received was sent by the particular sent node and not modified during transmission. WSN applications require lightweight and strong authentication mechanisms for obtaining data from unprivileged users. In wireless sensor networks, authentication is the effective method to stop unauthorized and undisrupted communication service. In order to strengthen the authenticated communication, several researchers have developed mechanisms. Some of the techniques work with identifying the attacked node or detecting injected bogus message in the network. Encryption and decryption are the popular methods of providing the security. These are based on either public-key or symmetric-key cryptosystems Many of the existing solutions have limitations in communication and computational expertise. Also, the existing mechanisms lack in providing strength and scalability of the network. In order address these issues; a polynomial based method was introduced in recent days. Key distribution is a significant aspect in key management in WSNs. The simplest method of distribution of key is by hand which was used in the days of couriers. Now a days, most distribution of keys is done automatically. The automatic distribution of keys is essential and convenient in networks that require two parties to transmit their security keys in the same communication medium. In this work, a new type of key exchange mechanism is proposed. The proposed method for authentication among sensor nodes proves to be promising as per the simulation results. The nodes which are unknown to each other setup a private however arbitrary key for the symmetric key cryptosystem.

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