Arman Process Journal (APJ)

Abstract Quantom computation is a new approach based on the principles of quantum mechanics to perform computations .Quantum computation uses unique behaviors of quantum physics to solve problems that are too complex for classical calculations .Theoretically , the connected inverters can use the interference between wave quantum states such as themselves for computations that may take millions of years .The potential use of these calculations is widespread and is used in areas such as cryptography , finance and drug discovery .With the implementation of quantum computing , several industries can be transformed . Although quantum computing can create a large transformation in the encryption and security system, they can be a threat to the privacy and digital information in the world .The reason for this is that quantum computers can easily break the toughest modern code .In this article, we intend to analyze and examine the new achievements of quantum computing in the field of information and communication technology, challenges and prospects.

Abstract Recently, the distributed internet applications under the scalable networks are growing rapidly, so the need to protect and secure such applications has also increased. Encryption algorithms are vital in today's cyber world, where there is always the risk of unauthorized access to all types of data. The most sensitive and vulnerable data is financial and payment system data, which can compromise personal identification information or customer payment card details and other personal information. Cryptographic algorithms are critical to protecting this information and reducing the risks that business face in conducting payment transactions. In fact, cryptographic algorithms play a major role in the information security of systems and the production of digital signatures. Existing digital signatures are often based on cryptographic algorithms and lead to the recognition of electronic information so that the identity of the author of the document and the comprehensiveness of its information can be reviewed and controlled. In this article, in addition to defining and classifying common cryptographic algorithms, we try to make a comparison on power and effectiveness of applicable algorithms in this area. This review and comparison can lead to improved functions and improved approaches to using these algorithms.