Cryptographic Token Interface Standard

PKCS#11

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Win32

Developers using Microsoft Developer Studio 5.0 to produce C or C++ code which implements or makes use of a Win32 Cryptoki .dll might issue the following directives before including any Cryptoki header files:

#pragma pack(push, cryptoki, 1)
#define CK_PTR *
#define CK_DEFINE_FUNCTION(returnType, name) \
returnType __declspec(dllexport) name
#define CK_DECLARE_FUNCTION(returnType, name) \
returnType __declspec(dllimport) name
#define CK_DECLARE_FUNCTION_POINTER(returnType, name) \
returnType __declspec(dllimport) (* name)
#define CK_CALLBACK_FUNCTION(returnType, name) \
returnType (* name)
#ifndef NULL_PTR
#define NULL_PTR 0
#endif

After including any Cryptoki header files, they might issue the following directives to reset the structure packing to its earlier value:

#pragma pack(pop, cryptoki)

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RSA Security Inc. Public-Key Cryptography Standards - PKCS#11 - v210