kcapi_md_final - message digest finalization function (stream)

handle
           [in] cipher handle

       buffer
           [out] filled with the message digest

       len
           [in] buffer length

StephanMueller <smueller@chronox.de>
           Author.

libkcapi Manual 1.5.0                              April 2024                                  KCAPI_MD_FINAL(3)

return size of message digest upon success; -EIO - data cannot be obtained; -ENOMEM - buffer is too small
       for the complete message digest, the buffer is filled with the truncated message digest

       kcapi_md_final - message digest finalization function (stream)

ssize_tkcapi_md_final(structkcapi_handle*handle,uint8_t*buffer,size_tlen);