From 5e60e0e3af85f22aa0afe8bf0ecf85619afacfeb Mon Sep 17 00:00:00 2001 From: Micah Anderson Date: Thu, 22 Aug 2013 16:39:52 -0400 Subject: Imported Upstream version 0.6.0.12 --- src-ed25519/supercop-ref/verify.c | 40 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src-ed25519/supercop-ref/verify.c (limited to 'src-ed25519/supercop-ref/verify.c') diff --git a/src-ed25519/supercop-ref/verify.c b/src-ed25519/supercop-ref/verify.c new file mode 100644 index 0000000..a04186b --- /dev/null +++ b/src-ed25519/supercop-ref/verify.c @@ -0,0 +1,40 @@ +#include "crypto_verify_32.h" + +int crypto_verify_32(const unsigned char *x,const unsigned char *y) +{ + unsigned int differentbits = 0; +#define F(i) differentbits |= x[i] ^ y[i]; + F(0) + F(1) + F(2) + F(3) + F(4) + F(5) + F(6) + F(7) + F(8) + F(9) + F(10) + F(11) + F(12) + F(13) + F(14) + F(15) + F(16) + F(17) + F(18) + F(19) + F(20) + F(21) + F(22) + F(23) + F(24) + F(25) + F(26) + F(27) + F(28) + F(29) + F(30) + F(31) + return (1 & ((differentbits - 1) >> 8)) - 1; +} -- cgit v1.2.3