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NCRYPT_ALLOC_PARA structure (ncrypt.h)

The NCRYPT_ALLOC_PARA structure enables you to specify custom functions that can be used to allocate and free data. This structure is used in the following functions:

Syntax

typedef struct NCRYPT_ALLOC_PARA {
  DWORD            cbSize;
  PFN_NCRYPT_ALLOC pfnAlloc;
  PFN_NCRYPT_FREE  pfnFree;
} NCRYPT_ALLOC_PARA;

Members

cbSize

The size, in bytes, of this structure.

pfnAlloc

Address of a custom function that can allocate memory.

pfnFree

Address of a function that can free memory allocated by the function specified by the pfnAlloc member.

Requirements

Requirement Value
Minimum supported client Windows 8 [desktop apps only]
Minimum supported server Windows Server 2012 [desktop apps only]
Header ncrypt.h

See also

NCryptGetProtectionDescriptorInfo

NCryptProtectSecret

NCryptUnprotectSecret

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