Platform SDK: Cryptography

Schannel CSP Reference

CSPs written for both RSA/Schannel and Diffie-Hellman/Schannel protocols must implement all of the CP functions that all other CSPs must implement. In addition, CSPs that support these protocols must also deal with extensions for working with master keys and deriving bulk encryption/decryption and MAC keys from these master keys. The following topics deal with these function extensions.