A Secured Cryptographic Messaging System

2015

Security assurance in any telecommunication lines is a necessity. It is everyone's desire to maintain secrecy of any information sent thru both unsecured and secured telecommunication lines. Short Message Service (SMS) has turned into an extension and has been an important part in the life of its user. Payment, mobile banking, important reminders such as stocks and news alerts, traffic updates, weather information and business related information are being catered thru SMS. Problems of privacy and imitations are the core issues dealt in the study. In order to prolong the secrecy of any information, an implementation of an improved cryptology scheme was designed. The study used a cascaded encryption process designed for sending SMS thru any communication line. The strength of the algorithm using the framework focused on designing a secured encryption process and adapting AES (Advance Encryption Standard) encryption with two more encryption layers. It discussed impact of the frame...

Proceedings of SAICSIT, 2004

Short Message Service (SMS) has grown in popularity over the years and it has become a common way of communication. SMS is usually used to transport unclassified information, but with the rise of mobile commerce it has become a popular tool for transmitting sensitive information between the business and its clients. By default SMS does not guarantee confidentiality and integrity to the message content. Therefore SMS is not totally secure and reliable. This affects the Wireless Messaging API (WMA)-an optional package for Java 2 Micro Edition that enables SMS messaging on Java-enabled cellular phones. This paper proposes a protocol that can be used to secure a SMS connection between a WMA client and SMS-based server.

The SMS based Mobile communications require high security in the network. Information as well as SMS security is important and challenging part for mobile communication. Some ethical hackers or attackers access the illegally sensitive data or messages. For solve this important issue and problems. Many users' uses the various algorithm and techniques for provide security to data and SMS in communication networks. Some users use encryption as well as decryption algorithms. Many people's implement own algorithm for SMS or data security in the communication network. The algorithms like AES, DES, Triple DES used by many authors for encrypt or decrypt SMS for communication. In the Wireless communication network for reducing processing time i.e. encryption or decryption time, developers uses various available algorithms. New algorithms implemented using AODV Protocols in wireless communication networks. In this paper we have propose the survey of SMS encryption as well as decryption techniques, algorithms, models use in communication network and security. The concept of Server key secure and Sender key secure messaging for SMS security.

The Short Message Service (SMS) is one of the frequently used mobile services with universal availability in all GSM networks. The current SMS hasnít achieved secure transmission of plaintext between different mobile phone devices. SMS doesnít have its own build-in mechanism to secure the transmitted data because security isnít considered as a priority application for mobile devices. Many SMS security schemes have been proposed by the researchers. This survey presents the existing schemes used to secure SMS message communication. State of the art SMS security solutions for mobile devices is presented from the period 2006-2013. Literature research of those security schemes is conducted and presented in this survey. The effect of each security scheme on mobile device's performance is also observed. Finally, a general summary of all security schemes with their limitations is presented.

2017

Nowadays, short message service (SMS) is being used in many daily life applications, including healthcare monitoring, mobile banking, mobile commerce, and so on. But when we send an SMS from one mobile phone to another, the information contained in the SMS transmit as plain text. Sometimes this information may be confidential like account numbers, passwords, license numbers, and so on. In this paper, presented an efficient and secure technique called secure SMS. The working of the protocol is presented by considering the asymmetric key cryptography . The analysis of the proposed technique shows that this protocol is able to prevent various attacks, including SMS disclosure, over the air modification, replay attack, man-in-the middle attack, and impersonation attack

2015

Short message service (SMS) is most important communication medium in many daily life applications, including healthcare monitoring, mobile banking, mobile commerce, and so on. when a SMS send an from one mobile phone(MS) to another MS (Mobile subscriber), the information contained in the SMS transmit as plain text. Sometimes this information may be confidential like account numbers, passwords, license numbers, and so on, and it is a major drawback to send such information through SMS while the traditional SMS service does not provide encryption to the information before its transmission, However telecom service providers are ensuring at server end some security provided as Using A3,A8 and Kc algorithms, but not providing during the message transformation .In this paper, we propose an efficient and secure protocol called User End secure SMS along with integrity key check, which provides end-to-end secure communication through SMS between end users. The working of the protocol is pre...

The development of telecommunications technology is so rapid has given such great benefits. With the telecommunication technology, distance and time no longer be a significant obstacle. One of the results of telecommunications technology that is well known is the Short Message Service. In this study developed an application on the mobile phone to modify the SMS message into ciphertext so that the information content of the SMS is not known by others. SMS delivery system for encrypting messages into ciphertext using a key that is entered by the sender then sends to the destination number. SMS reception system to decrypt it to others via SMS without the fear of information from these messages will be known by others. The method used in the system encrypt and decrypt the message is the algorithm Tiny Encryption Algorithm and implemented using the Java programming language. JDK 1.7 as the Java programming language ciphertext into plaintext using the key entered by the receiver and displays the original message to the recipient. This application can be used by someone who wants to send a confidential information and the Java compiler. Eclipse, a Java SDK and the Android SDK as a Java source code editor.

— Short message service (SMS) is most important communication medium in many daily life applications, including healthcare monitoring, mobile banking, mobile commerce, and so on. When a SMS send an from one mobile phone (MS) to another MS (Mobile subscriber), the information contained in the SMS transmit as plain text. Sometimes this information may be confidential like account numbers ,passwords, license number ,PAN number and so on, and it is a major drawback to send such information through SMS while the traditional SMS service does not provide encryption to the information before its transmission, However telecom service providers are ensuring at server end some security provided as Using A3,A8 and Kc algorithms through Triplet Authentication system, but not providing during the message transformation .In this paper, we propose an efficient and secure protocol called User End secure SMS along with integrity key check and massage through Encrypted form as secure manner from source to destination across GSM or UMTS networks , which provides end-to-end secure communication through SMS between end users. The working of the protocol is presented by considering two different scenarios. The analysis of the proposed protocol shows that this protocol is able to prevent various attacks, including SMS disclosure, over the air modification, replay attack, man-in-the middle attack, and impersonation Attack. .The protocol completely based on the symmetric key cryptography and retains original architecture of cellular network. The simulation generated in C#.net for execution system. SMS protocol is successfully designed in order to provide end-to-end secure communication through SMS between mobile users. The analysis of the proposed protocol shows that the protocol is able to prevent various attacks. The transmission of symmetric key to the mobile users is efficiently managed by the protocol. We consider all the transmission among various Authentication Server AS (Either same location or different location) take place by encrypting the message with a symmetric key shared between each pair of AS. This protocol produces lesser communication and computation overheads, utilizes bandwidth efficiently, and reduces message exchanged ratio during authentication than AES overheads, utilizes bandwidth efficiently, and reduces message exchanged ratio during authentication than AES

2014

Nowadays, the SMS is a very popular communication channel for numerous value added services (VAS), business and commercial applications. Hence, the security of SMS is the most important aspect in such applications. Recently, the researchers have proposed approaches to provide end-to-end security for SMS during its transmission over the network. Thus, in this direction, many SMS-based frameworks and protocols like Marko's SMS framework, Songyang's SMS framework, Alfredo's SMS framework, SSMS protocol, and, Marko and Konstantin's protocol have been proposed but these frameworks/protocols do not justify themselves in terms of security analysis, communication and computation overheads, prevention from various threats and attacks, and the bandwidth utilization of these protocols. The two protocols SMSSec and PK-SIM have also been proposed to provide end-to-end security and seem to be little better in terms of security analysis as compared to the protocols/framework mentioned above. In this paper, we propose a new secure and optimal protocol called SecureSMS, which generates less communication and computation overheads. We also discuss the possible threats and attacks in the paper and provide the justified prevention against them. The proposed protocol is also better than the above two protocols in terms of the bandwidth utilization. On an average the SecureSMS protocol reduces 71% and 59% of the total bandwidth used in the authentication process as compared to the SMSSec and PK-SIM protocols respectively. Apart from this, the paper also proposes a scheme to store and implement the cryptographic algorithms onto the SIM card. The proposed scheme provides end-to-end SMS security with authentication (by the SecureSMS protocol), confidentiality (by encryption AES/Blowfish; preferred AES-CTR), integrity (SHA1/MD5; preferred SHA1) and non-repudiation (ECDSA/DSA; preferred ECDSA).

2012

The Short Message Service (SMS) is one of very popular kind of superior and well-tried services with a global availability in GSM networks. This paper deals with an SMS security for mobile communication. The transmission of an SMS in GSM network is not secure; therefore it is desirable to secure SMS by additional encryption. A proposed approach, based on encryption and digital signature efficiently embeds the confidentiality, integrity, authentication, and non-repudiation in the SMS messages. In the next part, there is the description of design and implementation of the application, which encrypts SMS by DES, Triple DES, AES and Blowfish algorithms and finally signs SMS by DSA or RSA algorithm respectively. At the end, we described attacks on secured SMS and future extension of the application.

This paper presents a security solution to ensure confidentiality and authentication of exchanged messages, the users of proposed system can communicate exclusively via web server and by using a dedicated android application. The exchanged messages are encrypted using stream cipher RC4 with a personalP2P dynamic encryption key.

IRJET, 2021

Encryption is especially important if confidential details will be transmitted over the internet. A text message is one of the main means of information trade between mobile users. SMS security is one of the major issues to be addressed during statistics transfer. Therefore, the use of Android technological know-how the system is developed by us that allows the sender to enter the code in the messages before it is sent over the internet for this reason, the encryption manner, as a cryptographic algorithm, we used the Advanced Encryption Standard (AES). The app permits the consumer to enter a key and Already Exists a message to encrypt and therefore generate encrypted messages that can be deleted in writing by the recipient. The encrypted text developed through the appeals resists Brute-Force attacks as we use AES.

International Journal of Engineering Research and Advanced Technology (IJERAT), 2019

Nowadays, SMS or messaging is a very common way of communication. So, it differs from the apps and instant messaging available but SMS is still one of the broad communication methods as it does not require internet connection and sending inexpensive, fast and modest SMS messages. When confidential information is replaced by SMS, it is difficult to protect information from secure SMS and ensure that the message is sent only by approved senders. This research reviews and describes several methods used to encrypt SMS massage on android based on the encryption algorithm and compare these methods.

2012

Nowadays, security of SMS is a crucial aspect because it plays an important role in value added services and mobile commerce. Asymmetric algorithm like Diffie-Hellman can be used to encrypt the SMS message in M-commerce or mobile banking system. We use authentication functions to maintain the integrity of data. Password key exchange protocol based on Diffie-Hellman algorithm generates a secret shared key which can be used in message encryption and in MAC function. MAC (message authentication code) or hash functions are used maintain the integrity of message and can be used with the encryption. These functions also act as an error detecting code or checksum. This paper discusses the comparative analysis of both the authentication functions separately for password key exchange protocol by analyzing some of the security issues. The discussion of this paper concludes that MAC functions are more secure than hash function, but having greater complexity and take more to execute. So, it's better to use hash function for maintaining the integrity of message over a network where the transmitted amount of message is very small (SMS). Here, digital signature is generated with RSA to show the functionality of MD5 and SHA1, which prevents SMS from message modification and non-repudiation attack.

2015

Short message service (SMS) is a very popular and one of the easy to use communication technologies for mobile phone devices. Originally, this service was not designed to transmit secured data, so the security was not an important issue during its design. Short Message Service is normally used to transport unclassified data, but with the rise of mobile commerce it has become a fundamental tool for conducting business. However SMS does not guarantee confidentiality and integrity of the message. Now a days, short message service (SMS) is being used in many daily life applications, including mobile banking, mobile commerce, and so on. But when we send an SMS from one mobile device to another, the information contained in the SMS transmit as plain text. Sometimes this information may be confidential like account numbers, passwords, license numbers, and so on, and it is a major drawback to send such information through SMS while the traditional SMS service does not provide encryption to ...