aboutsummaryrefslogtreecommitdiffstats
path: root/src/libstrongswan/plugins/bliss/bliss_reduce.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/libstrongswan/plugins/bliss/bliss_reduce.h')
-rw-r--r--src/libstrongswan/plugins/bliss/bliss_reduce.h42
1 files changed, 0 insertions, 42 deletions
diff --git a/src/libstrongswan/plugins/bliss/bliss_reduce.h b/src/libstrongswan/plugins/bliss/bliss_reduce.h
deleted file mode 100644
index 2a53d9a7a..000000000
--- a/src/libstrongswan/plugins/bliss/bliss_reduce.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2016 Andreas Steffen
- * HSR Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- */
-
-/**
- * @defgroup bliss_fft bliss_fft
- * @{ @ingroup bliss_p
- */
-
-#ifndef BLISS_REDUCE_H_
-#define BLISS_REDUCE_H_
-
-#include "bliss_fft_params.h"
-
-/**
- * Montgomery Reduction
- *
- * Montgomery, P. L. Modular multiplication without trial division.
- * Mathematics of Computation 44, 170 (1985), 519–521.
- */
-static inline uint32_t bliss_mreduce(uint32_t x, bliss_fft_params_t *p)
-{
- uint32_t m, t;
-
- m = (x * p->q_inv) & p->rmask;
- t = (x + m * p->q) >> p->rlog;
-
- return (t < p->q) ? t : t - p->q;
-}
-
-#endif /** BLISS_REDUCE_H_ @}*/