crypto_aead_authsize(9) - phpMan
CRYPTO_AEAD_AUTHSIZE(9) Programming Interface CRYPTO_AEAD_AUTHSIZE(9)
NAME
crypto_aead_authsize - obtain maximum authentication data size
SYNOPSIS
unsigned int crypto_aead_authsize(struct crypto_aead * tfm);
ARGUMENTS
tfm
cipher handle
DESCRIPTION
The maximum size of the authentication data for the AEAD cipher referenced by the AEAD
cipher handle is returned. The authentication data size may be zero if the cipher
implements a hard-coded maximum.
The authentication data may also be known as “tag value”.
RETURN
authentication data size / tag size in bytes
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_AUTHSIZE(9)
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