Create data checksums, digital signatures, and certificates. DigiSign is based on the MD5 Hash algorithm and can be used for password encryption, data checksums, and to protect files against malicious hacking, virii and transmission errors.   Code: 

Simple yet powerful Active Server Pages component for encryption and decryption of secure data! Password protected and is useful for encrypting and storing into database of secure data such as credit card numbers etc.   Code: 

Cryptographic ASP component for file encryption, one-way hashing, digital signatures, S/MIME-based secure mail, and X.509 certificate management. New "container-less" mode of operation dramatically improves performance & eliminates concurrency problems.   Code: 

IP*Works! SSL ASP Edition contains 12 security-enabled Internet components, optimized for Active Server Page programming. Components include: CertMgr, FTPS, HTTPS, IMAPS, IPPortS, LDAPS, NNTPS, POPS, SOAP, XML, SMTPS, TelnetS, WebFormS, and WebUploadS.