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danbiaotihuan
- 一个单表替换密码，是密码初学者的必经之路，可以帮助初学者对于简单的密码原理有良好的理解-A single table substitution cipher, the only way is the password for beginners, can help beginners to simply have a good understanding of the principles password
s-des
- 简单的s-des算法，便于初学者了解s-des的过程，可实现字符串的加密与解密，代码中有详细注释-S-des simple algorithm, easy for beginners to understand the s-des process can achieve a string encryption and decryption code has detailed notes
2-1
- 简单的s-des算法，能实现对于小文件的加密和解密，但是对于大文件，会有bug，待修正中-S-des simple algorithm, to achieve for small file encryption and decryption, but for large files, there will be bug, pending amendment
DES
- C语言实现DES加解密功能，学校作业已完成，运行VS，VC++,DEV-C均可-DES encryption and decryption functions to achieve
des
- des算法 源码(可直接调用)，内附.c /.c文件-des encryption
authcode
- 动态密钥 把动态密匙保存在密文里，同样的明文，生产不同密文后能解密。加密后的密文可能是一些特殊字符，复制过程可能会丢失，所以用base64编码-Dynamic Key The dynamic key is stored in the ciphertext, the same plaintext, after the production of different ciphertext can be decrypted. Encrypted ciphertext may be some s
bab7
- this section talks about number of theory for public key cryptography
bab6
- this section talks about stream code system such as bitmap, CBC, CFB and so on.
bab5
- this section talks about advanced encryption standard (AES) in java.-this section talks about advanced encryption standard (AES) in java.
bab4
- this section is continues prior section about DES (data encryption system). firstly, describe about Data encryption system using java, then made the simple of DES-this section is continues prior section about DES (data encryption system). firstly, d
bab3
- this scr ipt is extend bab2.zip. in this section talks about symmetric key in cryptography using mathematical theory such as group, ring, and field. -this scr ipt is extend bab2.zip. in this section talks about symmetric key in cryptography using ma
bab2
- this scr ipt talks about encryption in java which containing the example scr ipt to doing classical cryptography such as classic cipher, transposition cipher, affinecipher and so on. so let s learn together-this scr ipt talks about encryption in java