fips: kdf + coverity + more fips-related issues
- kdf: Update tests in regards to the allowed parameters in FIPS mode
- fips: Check return value from ftell
- ecc: Make the PCT recoverable in FIPS mode and consistent with RSA
- visibility: Check FIPS operational status for MD+Sign operation
- ecc: Do not allow skipping tests in FIPS Mode
- random: Remove unused SHA384 DRBGs
Edited by Jakub Jelen