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PlayfairCipher_codes
- Playfair Cipher 1.not even the large number of keys in a monoalphabetic cipher provides security 2.one approach to improving security was to encrypt multiple letters 3.the Playfair Cipher is an example 4.invented by Charles Wheatstone in 1854
ejbca_3_9_3
- EJBCA是一个完整功能的证书认证程序，完全用 Java编写，使用J2EE(Java2 Enterprise Edition, Java2企业版)技术。它建造在J2EE平台之上，是一个开放的、健壮的、高性能的、平台独立的、灵活的和基于组件的CA，可以被单独使用或集成到其它J2EE应用程序中，并且它还提供了一个灵活强大的基于 Web的用户图形界面。由于它实现了WPKI中的几乎所有重要的部件，比如RA (Registration Authority，注册中心), CA(Certification A
simpleecdsa-1.0.0.tar
- it s about authentication msg using ECDSA
RSAjava
- RSA four letter encryption written in Java just set your public and private keys and with the public key it encrypts four letters into five letters then with the five letter and your private key you decrypt the message into the original four letters
RSA
- This implementation of popular RSA algorithm for encryption and decryption in java. It can be run on client server architecture-This is implementation of popular RSA algorithm for encryption and decryption in java. It can be run on client server arch
Fermat
- Fermats test to check for primality. Code is in java. takes a e=random number and gives whether it is prime or not.
MD5
- This a java code for MD5 encryption algorithm. MD5 is an algorithm which helps you in generating hash codes for securing your data. It s a kind of digital signature used in networks.
Yush.java.tar
- This a new algorithm in which we encrypt on the basis of position of the character. Algorithm 1 for key generation and Algorithm 2 is for encryption Algorithm A1 Step1: Let the key be ‘k’. Step2: Multiply the index number +1 with its ASCII c