---
name: "crypto_ablkcipher_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_ablkcipher_blocksize"
---

# crypto\_ablkcipher\_blocksize(9)

obtain block size of cipher

## NAME

crypto\_ablkcipher\_blocksize - obtain block size of cipher

## SYNOPSIS

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

## ARGUMENTS

*tfm*

cipher handle

## DESCRIPTION

The block size for the ablkcipher referenced with the cipher handle is returned. The caller may use that information to allocate appropriate memory for the data returned by the encryption or decryption operation

## RETURN

block size of cipher

## AUTHORS

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

Author.

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

Author.

## COPYRIGHT