kcapi_md_update - message digest update function (stream)

handle
           [in] cipher handle

       buffer
           [in] holding the data to add to the message digest

       len
           [in] buffer length

StephanMueller <smueller@chronox.de>
           Author.

libkcapi Manual 1.5.0                              April 2024                                 KCAPI_MD_UPDATE(3)

       The input buffer can be at most INT_MAX in size.

       return 0 upon success; a negative errno-style error code if an error occurred

       kcapi_md_update - message digest update function (stream)

ssize_tkcapi_md_update(structkcapi_handle*handle,constuint8_t*buffer,size_tlen);