---
name: "crypto_shash_blocksize"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/crypto_shash_blocksize"
---

# crypto\_shash\_blocksize(9)

obtain block size for cipher

## NAME

crypto\_shash\_blocksize - obtain block size for cipher

## SYNOPSIS

**unsigned int crypto\_shash\_blocksize(struct crypto\_shash \*** *tfm***);**

## ARGUMENTS

*tfm*

cipher handle

## DESCRIPTION

The block size for the message digest cipher referenced with the cipher handle is returned.

## RETURN

block size of cipher

## AUTHORS

**Stephan Mueller** \<smueller@chronox.de\>

Author.

**Marek Vasut** \<marek@denx.de\>

Author.

## COPYRIGHT