Hyper Hasher Suite 

The ultimate hashing utility! The Hyper Hasher Suite allows you to calculate 26 different hash/checksum and HMAC values for any file on your system, while the HashFile utility adds support for MD5 & SFV file creation and verification.
hash hmac md5 crc whirlpool md2 sha ripemd crc32 crc16 ccitt emule fcs ghash

QuickHash Library 

Fast, highly optimized implementation of hash, checksum, HMAC algorithms: MD2,MD4,MD5,SHA-1,SHA-2(256,384,512),RIPEMD(128,160,256,320),PANAMA,TIGER,CRC-32,CRC-16,CRC-CCITT,ADLER32. Allows calculations for files, memory blocks, strings,streaming data.
hash message digest checksum crc hmac algorithm file string data block memory key password

EDCrypt 

EDCrypt is an ActiveX control performing following functions: - encrypts and decrypts data using 6 strong symmetrical block ciphers - computes message digests of data using 18 hashing algorithms - securely shreds files
encryption decryption hashing message digest shredding security cryptography cipher