The following changes since commit 1a695a905c18548062509178b98bc91e67510864:
Linux 4.7-rc1 (2016-05-29 09:29:24 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random.git tags/random_for_linus
for you to fetch changes up to 86a574de4590ffe6fd3f3ca34cdcf655a78e36ec:
random: strengthen input validation for RNDADDTOENTCNT (2016-07-03 17:09:33 -0400)
----------------------------------------------------------------
A number of improvements for the /dev/random driver; the most
important is the use of a ChaCha20-based CRNG for /dev/urandom, which
is faster, more efficient, and easier to make scalable for
silly/abusive userspace programs that want to read from /dev/urandom
in a tight loop on NUMA systems.
This set of patches also improves entropy gathering on VM's running on
Microsoft Azure, and will take advantage of a hw random number
generator (if present) to initialize the /dev/urandom pool.
----------------------------------------------------------------
Eric Biggers (1):
random: properly align get_random_int_hash
Stephan Mueller (1):
random: add interrupt callback to VMBus IRQ handler
Theodore Ts'o (6):
random: initialize the non-blocking pool via add_hwgenerator_randomness()
random: print a warning for the first ten uninitialized random users
random: replace non-blocking pool with a Chacha20-based CRNG
random: make /dev/urandom scalable for silly userspace programs
random: add backtracking protection to the CRNG
random: strengthen input validation for RNDADDTOENTCNT
crypto/chacha20_generic.c | 61 ----------
drivers/char/random.c | 482 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------------
drivers/hv/vmbus_drv.c | 3 +
include/crypto/chacha20.h | 1 +
lib/Makefile | 2 +-
lib/chacha20.c | 79 ++++++++++++
6 files changed, 468 insertions(+), 160 deletions(-)
create mode 100644 lib/chacha20.c
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