kcapi_aead_authsize - Man Page

uint32_t kcapi_aead_authsize(struct kcapi_handle * handle);

handle

The returned maximum is the largest size of the authenticaation tag that can be produced by the AEAD cipher​. Smaller tag sizes may be chosen depending on the AEAD cipher type​.

return > 0 specifying the block size; 0 on error

Stephan Mueller <​smueller@chronox.de​>