Initialise context before using it.
(cherry picked from commit a4947e4e064d2d5bb622ac64cf13edc4a46ed196)
Enable PSK in FIPS mode.

Enable PSK ciphersuites with AES or DES3 in FIPS mode.
(cherry picked from commit e0ffd129c16af90eb5e2ce54e57832c0046d1aaf)