API -> CryptEncrypt [ Library : advapi32.dll, Category : Security ] [C#, VB, VB.net]

CryptEncrypt

Library : advapi32.dll Category : Security

Api Example(s)
Working with Crypto API to encrypt/decrypt text
Encrypt/Decrypt file using Microsoft Crypto APIs (With User specific crypto key option)

API Description :

The CryptEncrypt function is used to encrypt data. The algorithm used to encrypt the data is designated by the key held by the CSP module, which is referenced by the hKey parameter.

VB Declaration :

Show Multiline Public Private

Declare Function CryptEncrypt Lib "advapi32.dll" (ByVal hKey As Long, ByVal hHash As Long, ByVal Final As Long, ByVal dwFlags As Long, ByVal pbData As String, pdwDataLen As Long, ByVal dwBufLen As Long) As Long

Parameters :

· hKey
[in] A handle to the key to use for the encryption. An application obtains this handle by using either the CryptGenKey or the CryptImportKey function.
This key specifies the encryption algorithm that is used.

· hHash
[in] A handle to a hash o

Return :

If the function succeeds, the return value is nonzero. 

If the function fails, the return value is zero. To retrieve extended error information, use the GetLastError function. 

The following table lists the error codes most commonly returned by the

OS Requirement :

Windows NT 4.0 or later
Windows 95 OSR2 or later (or Windows 95 with Internet Explorer 3.02 or later)

Dotnet Replacement :