Note

Access to this page requires authorization. You can try signing in or .

Access to this page requires authorization. You can try .

CryptMemAlloc function (wincrypt.h)

The CryptMemAlloc function allocates memory for a buffer. It is used by all Crypt32.lib functions that return allocated buffers.

Syntax

LPVOID CryptMemAlloc(
 [in] ULONG cbSize
);

Parameters

[in] cbSize

Number of bytes to be allocated.

Return value

Returns a pointer to the buffer allocated. If the function fails, NULL is returned. When you have finished using the buffer, free the memory by calling the CryptMemFree function.

Requirements

Requirement Value
Minimum supported client Windows XP [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Target Platform Windows
Header wincrypt.h
Library Crypt32.lib
DLL Crypt32.dll

See also

CryptMemFree

CryptMemRealloc

Feedback

Was this page helpful?

Additional resources

  • Last updated on