From 06eaf7232e9a920468c0f8d74dcf2fe8b555501c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 13 Apr 2024 14:24:36 +0200 Subject: Adding upstream version 1:10.11.6. Signed-off-by: Daniel Baumann --- libmariadb/plugins/auth/ref10/fe_isnonzero.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 libmariadb/plugins/auth/ref10/fe_isnonzero.c (limited to 'libmariadb/plugins/auth/ref10/fe_isnonzero.c') diff --git a/libmariadb/plugins/auth/ref10/fe_isnonzero.c b/libmariadb/plugins/auth/ref10/fe_isnonzero.c new file mode 100644 index 00000000..47568001 --- /dev/null +++ b/libmariadb/plugins/auth/ref10/fe_isnonzero.c @@ -0,0 +1,19 @@ +#include "fe.h" +#include "crypto_verify_32.h" + +/* +return 1 if f == 0 +return 0 if f != 0 + +Preconditions: + |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. +*/ + +static const unsigned char zero[32]; + +int fe_isnonzero(const fe f) +{ + unsigned char s[32]; + fe_tobytes(s,f); + return crypto_verify_32(s,zero); +} -- cgit v1.2.3