Commit 4c2c7af0 authored by James Hatheway's avatar James Hatheway Committed by Alexandre Julliard

Added stubs for CryptGenRandom(), CryptReleaseContext().

parent a4251bbe
......@@ -54,14 +54,14 @@ import ntdll.dll
@ stub CryptGetKeyParam
@ stub CryptGetHashParam
@ stub CryptGetProvParam
@ stub CryptGenRandom
@ stdcall CryptGenRandom(long long ptr) CryptGenRandom
@ stub CryptGetDefaultProviderA
@ stub CryptGetDefaultProviderW
@ stub CryptGetUserKey
@ stub CryptHashData
@ stub CryptHashSessionKey
@ stub CryptImportKey
@ stub CryptReleaseContext
@ stdcall CryptReleaseContext(long long) CryptReleaseContext
@ stub CryptSetHashParam
@ stdcall CryptSetKeyParam(long long ptr long) CryptSetKeyParam
@ stub CryptSetProvParam
......
/*
* dlls/advapi32/crypt.c
*/
#include <time.h>
#include <stdlib.h>
#include "windef.h"
#include "winerror.h"
#include "wincrypt.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(advapi)
DEFAULT_DEBUG_CHANNEL(advapi);
/******************************************************************************
* CryptAcquireContextA
......@@ -41,3 +44,51 @@ CryptSetKeyParam( HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
return FALSE;
}
/******************************************************************************
* CryptGenRandom
*/
BOOL WINAPI
CryptGenRandom (HCRYPTPROV hProv, DWORD dwLen, BYTE *pbBuffer)
{
DWORD i;
FIXME("(0x%lx, %ld, %p): stub!\n", hProv, dwLen, pbBuffer);
/*
FIXME: Currently this function is just a stub, it is missing functionality in
the following (major) ways:
(1) It makes no use of the passed in HCRYPTPROV handle. (ie. it doesn't
use a cryptographic service provider (CSP)
(2) It doesn't use the values in the passed in pbBuffer to further randomize
its internal seed.
(3) MSDN mentions that this function produces "cryptographically random"
data, which is "... far more random than the data generated by the typical
random number generator such as the one shipped with your C compiler".
We are currently using the C runtime rand() function. ^_^
See MSDN documentation for CryptGenRandom for more information.
*/
if (dwLen <= 0)
return FALSE;
srand(time(NULL));
for (i=0; i<dwLen; i++)
{
*pbBuffer = (BYTE)(rand() % 256);
pbBuffer++;
}
return TRUE;
}
/******************************************************************************
* CryptReleaseContext
*/
BOOL WINAPI
CryptReleaseContext (HCRYPTPROV hProv, DWORD dwFlags)
{
FIXME("(0x%lx, 0x%lx): stub!\n", hProv, dwFlags);
return FALSE;
}
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