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

# CryptHashData(3w)

## NAME

**CryptHashData** (ADVAPI32.@)

## SYNOPSIS

BOOL CryptHashData\
  (\
   HCRYPTHASH  *hHash*,\
   const BYTE\* *pbData*,\
   DWORD       *dwDataLen*,\
   DWORD       *dwFlags*\
  )

## DESCRIPTION

Adds data to a hash object.

## PARAMS

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

*pbData* **\[In\]**  Buffer of data to be hashed.

*dwDataLen* **\[In\]**  Number of bytes to add.

*dwFlags* **\[In\]**  Can be **CRYPT\_USERDATA**.

## RETURNS

**Success:** **TRUE**

**Failure:** **FALSE**

## IMPLEMENTATION

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

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

Debug channel **"crypt"**.