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

# CryptSetHashParam(3w)

## NAME

**CryptSetHashParam** (ADVAPI32.@)

## SYNOPSIS

BOOL CryptSetHashParam\
  (\
   HCRYPTHASH  *hHash*,\
   DWORD       *dwParam*,\
   CONST BYTE\* *pbData*,\
   DWORD       *dwFlags*\
  )

## DESCRIPTION

Customizes the operations of a hash object.

## PARAMS

*hHash* **\[In\]**  Handle of the hash object to set parameters.

*dwParam* **\[In\]**  HP\_HMAC\_INFO/HASHVAL.

*pbData* **\[In\]**  Value data buffer.

*dwFlags* **\[In\]**  Reserved for future use and must be zero.

## RETURNS

**Success:** **TRUE**

**Failure:** **FALSE**

## IMPLEMENTATION

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

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

Debug channel **"crypt"**.