Implementation of RSA Algorithm for Encryption and Decryption Recent Technology Trends in Computer Technology

Cryptographic technique is one of the principal means to protect information security. Not only
has it to ensure the information confidential, but also provides digital signature, authentication, secret substorage,
system security and other functions. Therefore, the encryption and decryption solution can ensure
the confidentiality of the information, as well as the integrity of information and certainty, to prevent
information from tampering, forgery and counterfeiting. Encryption and decryption algorithm's security
depends on the algorithm while the internal structure of the rigor of mathematics, it also depends on the key
confidentiality. Key in the encryption algorithm has a pivotal position, once the key was leaked, it means
that anyone can be in the encryption system to encrypt and decrypt information, it means the encryption
algorithm is useless. Therefore, what kind of data you choose to be a key, how to distribute the private key,
and how to save both data transmission keys are very important issues in the encryption and decryption
algorithm. This paper proposed an implementation of a complete and practical RSA encrypt/decrypt
solution based on the study of RSA public key algorithm. In addition, the encrypt procedure and code
implementation is provided in details.