The CryptUnprotectData function decrypts and does an integrity check of the data in a DATA_BLOB structure. Usually, only a user with the same logon credentials as the encrypter can decrypt the data. In addition, the encryption and decryption must be done on the same computer.
9/6/2012 12:36:21 AM - -203.166.19.130
Used to pass data to and from CryptProtectData, CryptUnprotectData
3/16/2007 8:15:44 AM - c.durkin-208.186.175.2
The CRYPTPROTECT_PROMPTSTRUCT structure provides the text of a prompt and information about when and where that prompt is to be displayed when using the CryptProtectData and CryptUnprotectData functions.