Information Technology Essay Example | Topics and Well Written Essays - 1000 words - 1

learning Technology - Essay Example2007). Similarly, the RSA cryptology well-worn is associated with a Public Key Cryptography Standards (PKCS) that highlights entropy encryption by utilizing RSA algorithm. The primary objective or reason for this standard is the construction of digital envelops and digital signatures. Moreover, the standard also defines syntax for clandestine and publics fundamentals of RSA. The syntax is utilised for digital certificates and the syntax for private delineates is utilized for private key encryption (RSA Cryptography Standard. 2007). Public key cryptography relies on algorithms associated with asymmetric cryptography on with two incorporated keys i.e. a public key and a private key. Likewise, these two keys be separate and are utilized for decrypting and encrypting data or messages. If any user composes an electronic mail, he or she possesses a private for the telecommunicate themselves. However, if the sender tries to open the email, he or s he must possess a public key for accessing it. RSA public key encryption algorithm converts the private key to public key. Moreover, a signature algorithm that ensures authenticity of the sender can be incorporated with the private key without the interjection of the private key, as fundamentally it will not be possible to search two messages possessing exchangeable signatures. The PKCS incorporates different adaptations such as v 2.1 standards that are associated with deploying public key cryptographic encryption along with digital signatures with appendix. Moreover, it also reflects ANS.1 syntax that illustrates keys for identifying different schemes. RSA is basically a public key algorithm that is invented by Rivest, Shamir and Adleman (Biskup) and is focused on an exponentiation module that comprises of two great prime numbers. Likewise, the security incorporated in RSA algorithm is focused on the solidity of multiplying the procedure associated with great prime numbers. More over, in the next version i.e. version 2.1, RSA multiprime function was incorporated. The table 1.1 shows the encryption and decryption of messages by private and public keys. Activity Keys move an Encrypted Message or data Utilizing the receivers public key Sending an encrypted signature Utilizing the senders private key Decrypting an encrypted message Utilizing the receivers private key Decrypting an encrypted signature Utilizing the senders public key act 1.1 Comparison X.509 and PGP X.509 is considered to be an ITU-T standard that is known for Public Key Infrastructure (PKI). Likewise, it specifies standardized formats associated with public key certificates and a validation algorithm for certification path. Moreover, this standard was preliminary developed in 1988 and was integrated with X.500 standard (X.509. 2007). After the integration, it was considered to be a solid hierarchical mechanism of Certificate Authorities (CA) that is responsible for publicize certificates. It is a fact that X.500 system was not completely deployed, as the IETF working group associated with public key infrastructure has acquired the standard for Internet that is considered to be a flexible environment (X.509. 2007). Besides, in the year 1998, PGP was considered to be a relatively low cost solution possessing features such as robust file, disk and email encryption suite that is based on Network