Elgamal Elliptic Curve Based Secure Communication Architecture for Microgrids

Khan, Sarmadullah; Khan, Rafiullah

doi:10.3390/en11040759

Cited by 12 publications

(9 citation statements)

References 21 publications

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“…These schemes provide many enhancements in certain areas other than the security enhancements on the ECC itself. For instance, [20]- [22] proposed schemes that use ECC without detailing how messages are encoded and mapped to the selected curve. As a result, these schemes reduce the computation process and power consumption.…”

Section: Related Workmentioning

confidence: 99%

SE-Enc: A Secure and Efficient Encoding Scheme Using Elliptic Curve Cryptography

Almajed

Almogren

2019

IEEE Access

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Many applications use asymmetric cryptography to secure communications between two parties. One of the main issues with asymmetric cryptography is the need for vast amounts of computation and storage. While this may be true, elliptic curve cryptography (ECC) is an approach to asymmetric cryptography used widely in low computation devices due to its effectiveness in generating small keys with a strong encryption mechanism. The ECC decreases power consumption and increases device performance, thereby making it suitable for a wide range of devices, ranging from sensors to the Internet of things (IoT) devices. It is necessary for the ECC to have a strong implementation to ensure secure communications, especially when encoding a message to an elliptic curve. It is equally important for the ECC to secure the mapping of the message to the curve used in the encryption. This work objective is to propose a trusted and proofed scheme that offers authenticated encryption (AE) for both encoding and mapping a message to the curve. In addition, this paper provides analytical results related to the security requirements of the proposed scheme against several encryption techniques. Additionally, a comparison is undertaken between the SE-Enc and other state-of-the-art encryption schemes to evaluate the performance of each scheme.

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Section: Related Workmentioning

confidence: 99%

SE-Enc: A Secure and Efficient Encoding Scheme Using Elliptic Curve Cryptography

Almajed

Almogren

2019

IEEE Access

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“…It is clearly evident from the results that the proposed mechanism needs fewer keys for both authentication and secure channel establishment and occupies less memory if compared with [24] and RSA mechanism. Although there is little difference in the memory requirements if compared with [25] and DSA, but there is a big difference in the end-to-end delay as discussed in the previous section. The memory requirement of the TV-HORS mechanism is extremely high as it needs more than 500 KB of memory to store secret keys for the authentication and secure channel establishment.…”

Section: Algorithm Cryptographic Operationsmentioning

confidence: 98%

A Multi-User, Single-Authentication Protocol for Smart Grid Architectures

Alfakeeh

Khan

Al-Bayatti

2020

Sensors

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In a smart grid system, the utility server collects data from various smart grid devices. These data play an important role in the energy distribution and balancing between the energy providers and energy consumers. However, these data are prone to tampering attacks by an attacker, while traversing from the smart grid devices to the utility servers, which may result in energy disruption or imbalance. Thus, an authentication is mandatory to efficiently authenticate the devices and the utility servers and avoid tampering attacks. To this end, a group authentication algorithm is proposed for preserving demand–response security in a smart grid. The proposed mechanism also provides a fine-grained access control feature where the utility server can only access a limited number of smart grid devices. The initial authentication between the utility server and smart grid device in a group involves a single public key operation, while the subsequent authentications with the same device or other devices in the same group do not need a public key operation. This reduces the overall computation and communication overheads and takes less time to successfully establish a secret session key, which is used to exchange sensitive information over an unsecured wireless channel. The resilience of the proposed algorithm is tested against various attacks using formal and informal security analysis.

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“…Noteworthily, existing schemes have introduced significant enhancements in many areas of the elliptic curve, including scalar multiplication on the elliptic curve, encoding phase processing, and the mapping phase. To illustrate, MCS schemes in [53,54] and similar proposed schemes in [55,56] use ECC without elaborating on the processing associated with each phase. For this reason, these schemes provide reduction on the processing computation and power consumption.…”

Section: Related Workmentioning

confidence: 99%

iTrust—A Trustworthy and Efficient Mapping Scheme in Elliptic Curve Cryptography

Almajed

Almogren

Alabdulkareem

2020

Sensors

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Recently, many platforms have outsourced tasks to numerous smartphone devices known as Mobile Crowd-sourcing System (MCS). The data is collected and transferred to the platform for further analysis and processing. These data needs to maintain confidentiality while moving from smartphones to the platform. Moreover, the limitations of computation resources in smartphones need to be addressed to balance the confidentiality of the data and the capabilities of the devices. For this reason, elliptic curve cryptography (ECC) is accepted, widespread, and suitable for use in limited resources environments such as smartphone devices. ECC reduces energy consumption and maximizes devices’ efficiency by using small crypto keys with the same strength of the required cryptography of other cryptosystems. Thus, ECC is the preferred approach for many environments, including the MCS, Internet of Things (IoT) and wireless sensor networks (WSNs). Many implementations of ECC increase the process of encryption and/or increase the space overhead by, for instance, incorrectly mapping points to EC with extra padding bits. Moreover, the wrong mapping method used in ECC results in increasing the computation efforts. This study provides comprehensive details about the mapping techniques used in the ECC mapping phase, and presents performance results about widely used elliptic curves. In addition, it suggests an optimal enhanced mapping method and size of padding bit to secure communications that guarantee the successful mapping of points to EC and reduce the size of padding bits.

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Elgamal Elliptic Curve Based Secure Communication Architecture for Microgrids

Cited by 12 publications

References 21 publications

SE-Enc: A Secure and Efficient Encoding Scheme Using Elliptic Curve Cryptography

SE-Enc: A Secure and Efficient Encoding Scheme Using Elliptic Curve Cryptography

A Multi-User, Single-Authentication Protocol for Smart Grid Architectures

iTrust—A Trustworthy and Efficient Mapping Scheme in Elliptic Curve Cryptography

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