Encryption technology is one of the main means of protecting information security and includes many forms in terms of digital signatures, authentication, system security, confidentiality and data integrity and other functions. Therefore, Encryption and decryption are the best solution to protect data, especially not only sensitive data and protect them from attackers who aim to steal information. In this paper we use asymmetric encryption algorithms such as (RSA, Elliptic Curve, NTRU) that are used to send data over the network to provide security to users. We work on a review of the algorithms mentioned because of their importance in the encryption side and will give a summary of the performance of its work.

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