| From | Akinobu Mita <> | Subject | [PATCH 02/29] uuid: use prandom_bytes() | Date | Mon, 24 Dec 2012 11:13:49 +0900 |
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Use prandom_bytes() to generate 16 bytes of pseudo-random bytes.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Huang Ying <ying.huang@intel.com> --- lib/uuid.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/lib/uuid.c b/lib/uuid.c index 52a6fe6..398821e 100644 --- a/lib/uuid.c +++ b/lib/uuid.c @@ -25,13 +25,7 @@ static void __uuid_gen_common(__u8 b[16]) { - int i; - u32 r; - - for (i = 0; i < 4; i++) { - r = random32(); - memcpy(b + i * 4, &r, 4); - } + prandom_bytes(b, 16); /* reversion 0b10 */ b[8] = (b[8] & 0x3F) | 0x80; } -- 1.7.11.7
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