HP-UX Security Features - OpenMPE

HP-UX Strong Random Number
Generator
2 Interfaces to read random data
•/dev/random
•standard blocking interface
•read(2) system call will not return until the requested amount of random
data, up to 256 bytes, has been collected internally
•/dev/urandom
•standard non-blocking interface
•Internal buffer is hashed using AES to provide high quality random data
•Internal buffer is re-initialized at least every minute to guarantee that the
output remains unpredictable
Host Security – Tools
August 26, 2004 49