diff options
Diffstat (limited to 'Documentation/hw_random.txt')
| -rw-r--r-- | Documentation/hw_random.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/hw_random.txt b/Documentation/hw_random.txt index 026e237bbc87..fce1634907d0 100644 --- a/Documentation/hw_random.txt +++ b/Documentation/hw_random.txt @@ -3,7 +3,7 @@ Introduction: The hw_random framework is software that makes use of a special hardware feature on your CPU or motherboard, a Random Number Generator (RNG). The software has two parts: - a core providing the /dev/hw_random character device and its + a core providing the /dev/hwrng character device and its sysfs support, plus a hardware-specific driver that plugs into that core. @@ -14,7 +14,7 @@ Introduction: http://sourceforge.net/projects/gkernel/ - Those tools use /dev/hw_random to fill the kernel entropy pool, + Those tools use /dev/hwrng to fill the kernel entropy pool, which is used internally and exported by the /dev/urandom and /dev/random special files. @@ -32,13 +32,13 @@ Theory of operation: The rng-tools package uses such tests in "rngd", and lets you run them by hand with a "rngtest" utility. - /dev/hw_random is char device major 10, minor 183. + /dev/hwrng is char device major 10, minor 183. CLASS DEVICE. There is a /sys/class/misc/hw_random node with two unique attributes, "rng_available" and "rng_current". The "rng_available" attribute lists the hardware-specific drivers available, while "rng_current" lists the one which is currently - connected to /dev/hw_random. If your system has more than one + connected to /dev/hwrng. If your system has more than one RNG available, you may change the one used by writing a name from the list in "rng_available" into "rng_current". |