---
name: "CryptGetProvParam"
section: "3w"
platform: "linux"
package: "libwine-dev"
version: "1.4.1-4"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/CryptGetProvParam"
---

# CryptGetProvParam(3w)

## NAME

**CryptGetProvParam** (ADVAPI32.@)

## SYNOPSIS

BOOL CryptGetProvParam\
  (\
   HCRYPTPROV *hProv*,\
   DWORD      *dwParam*,\
   BYTE\*      *pbData*,\
   DWORD\*     *pdwDataLen*,\
   DWORD      *dwFlags*\
  )

## DESCRIPTION

Retrieves parameters that control the operations of a **CSP**.

## PARAMS

*hProv* **\[In\]**  Handle of the **CSP** in question.

*dwParam* **\[In\]**  Specifies query type.

*pbData* **\[Out\]**  Buffer to receive the data.

*pdwDataLen* **\[In/Out\]**  Size of *pbData*.

*dwFlags* **\[In\]**  see **MSDN** Docs.

## RETURNS

**Success:** **TRUE**

**Failure:** **FALSE**.

## NOTES

If *pbData* is **NULL**, *pdwDataLen* is set to the needed buffer length.

## IMPLEMENTATION

Declared in **"wincrypt.h"**.

Implemented in **"dlls/advapi32/crypt.c"**.

Debug channel **"crypt"**.