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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@chronox.de>
Author.

Marek Vasut <marek@denx.de>

Author.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.