CRYPTO_AEAD_SETAUTHS(9)               Programming Interface               CRYPTO_AEAD_SETAUTHS(9)



NAME
       crypto_aead_setauthsize - set authentication data size

SYNOPSIS
       int crypto_aead_setauthsize(struct crypto_aead * tfm, unsigned int authsize);

ARGUMENTS
       tfm
           cipher handle

       authsize
           size of the authentication data / tag in bytes

DESCRIPTION
       Set the authentication data size / tag size. AEAD requires an authentication tag (or MAC)
       in addition to the associated data.

RETURN
       0 if the setting of the key was successful; < 0 if an error occurred

AUTHORS
       Stephan Mueller <smueller AT chronox.de>
           Author.

       Marek Vasut <marek AT denx.de>
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   CRYPTO_AEAD_SETAUTHS(9)