Rare but attested in computing (“to encrypt or hash using the Unix crypt function”) and occasionally in the literal sense “to entomb in a crypt”.
Definitionen
To encrypt or hash data using the Unix ‘crypt’ function or similar routine. The script crypts each file before uploading it.
To place (a corpse) in a crypt; to entomb. The family crypted their ancestors beneath the old chapel.
Attributive use: “crypt chapel”, “crypt space”; functions like an adjective meaning “relating to a crypt”.
Definitionen
Relating to or situated in a crypt. The crypt stairs are narrow and worn.