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CryptCreateHash (advapi32)
 
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Summary
The CryptCreateHash function initiates the hashing of a stream of data. It creates and returns to the calling application a handle to a CSP hash object. This handle is used in subsequent calls to CryptHashData and CryptHashSessionKey to hash session keys and other streams of data.

C# Signature:

[DllImport("advapi32.dll", CharSet=CharSet.Auto, SetLastError=true)]
public static extern bool CryptCreateHash(IntPtr hProv, uint algId, IntPtr hKey, uint dwFlags, ref IntPtr phHash);

VB Signature:

Declare Auto Function CryptCreateHash Lib "advapi32.dll" (ByVal hProv As IntPtr, _
ByVal algId As Integer, ByVal hKey As IntPtr, ByVal dwFlags As Integer, _
ByRef phHast As IntPtr) As <MarshalAs(UnmanagedType.Bool)> Boolean

User-Defined Types:

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Notes:

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