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OPT一次性动态口令验证算法。根据动态支持TOTP和HOTP验证。-A one-time dynamic password authentication algorithm OPT. According to dynamic support for TOTP and HOTP authentication.

This class implements Base64 encoding/decoding functionality as specified in RFC 2045 (http://www.ietf.org/rfc/rfc2045.txt).

base64 coder/decoder

rsa算法实现的经典开发包，对学习加密算法帮助很大-rsa algorithm realize the classic development kit, the encryption algorithm learning very helpful

While there are many AES cores around, this one is designed with LUT6 based FPGA architecture in mind from day one.  The AES Decryption Core for FPGA implements the decryption portion of the AES (a.k.a. Rijndael) algorithm described in the FIPS-197 specification. Key lengths of 128 / 192 / 256 bits are supported, each with a separate instantiation wrapper. Since the core is designed to take advantage of LUT6 based FPGA archit

MD5算法说明 最新的算法分析-MD5 algorithm shows the newest algorithmic analysis

MD5 - Implementations for PowerBASIC/-MD5- Implementations for PowerBASIC/CC

椭圆曲线加密算法-elliptic curve cryptosystem

一些常用编码，加密算法的c/c++代码，包括，base64,sha1,des,md5等-Some commonly used encoding, encryption algorithm c/c++ Code, including, base64, sha1, des, md5, etc.

说明：  一个彩色视频加密程序，可以实现对彩色视频的加密解密。(A color video encryption program can realize the encryption and decryption of color video.)