Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32f2/STM32F217/CRYP/SR#0x0
status register
Input FIFO empty
Input FIFO not full
Output FIFO not empty
Output FIFO full
Busy bit
https://github.com/modm-io/cmsis-svd-stm32