SHA_FLAGS_FINAL
if (SHA_FLAGS_FINAL & dd->flags)
dd->flags &= ~(SHA_FLAGS_BUSY | SHA_FLAGS_FINAL | SHA_FLAGS_CPU |
dd->flags |= SHA_FLAGS_FINAL; /* catch last interrupt */
dd->flags |= SHA_FLAGS_FINAL; /* catch last interrupt */
dd->flags |= SHA_FLAGS_FINAL; /* catch last interrupt */