From a68fb2d8219f6bccc573009600e9f23e89226a5e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 20:04:16 +0200 Subject: Adding upstream version 1:10.6.11. Signed-off-by: Daniel Baumann --- libmariadb/plugins/auth/ref10/fe_isnegative.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 libmariadb/plugins/auth/ref10/fe_isnegative.c (limited to 'libmariadb/plugins/auth/ref10/fe_isnegative.c') diff --git a/libmariadb/plugins/auth/ref10/fe_isnegative.c b/libmariadb/plugins/auth/ref10/fe_isnegative.c new file mode 100644 index 00000000..3b2c8b8d --- /dev/null +++ b/libmariadb/plugins/auth/ref10/fe_isnegative.c @@ -0,0 +1,16 @@ +#include "fe.h" + +/* +return 1 if f is in {1,3,5,...,q-2} +return 0 if f is in {0,2,4,...,q-1} + +Preconditions: + |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. +*/ + +int fe_isnegative(const fe f) +{ + unsigned char s[32]; + fe_tobytes(s,f); + return s[0] & 1; +} -- cgit v1.2.3