...nstead. The /dev/random device is a legacy interface which dates back to a time where the cryptographic primitives used in the implementation of /dev/urandom were not widely tru…...nstead. The /dev/random device is a legacy interface which dates back to a time where the cryptographic primitives used in the implementation of /dev/urandom were not widely tru…...28 , LO_CRYPT_IDEA , LO_CRYPT_DUMMY , LO_CRYPT_SKIPJACK , or (since Linux 2.6.0) LO_CRYPT_CRYPTOAPI . The lo_flags field is a bit mask that can include zero or more of the follo…...28 , LO_CRYPT_IDEA , LO_CRYPT_DUMMY , LO_CRYPT_SKIPJACK , or (since Linux 2.6.0) LO_CRYPT_CRYPTOAPI . The lo_flags field is a bit mask that can include zero or more of the follo…