-/**
- * @file p448/f_field.h
- * @author Mike Hamburg
+/*
+ * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2015-2016 Cryptography Research, Inc.
*
- * @copyright
- * Copyright (c) 2015-2016 Cryptography Research, Inc. \n
- * Released under the MIT License. See LICENSE.txt for license information.
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*
- * @brief Field-specific code for 2^448 - 2^224 - 1.
- *
- * @warning This file was automatically generated in Python.
- * Please do not edit it.
+ * Originally written by Mike Hamburg
*/
#ifndef __P448_F_FIELD_H__
-#define __P448_F_FIELD_H__ 1
+# define __P448_F_FIELD_H__ 1
-#include "constant_time.h"
-#include <string.h>
-#include <assert.h>
+# include "constant_time.h"
+# include <string.h>
-#include "word.h"
+# include "word.h"
-#define __DECAF_448_GF_DEFINED__ 1
-#define NLIMBS (64/sizeof(word_t))
-#define X_SER_BYTES 56
-#define SER_BYTES 56
-typedef struct gf_448_s {
+# define NLIMBS (64/sizeof(word_t))
+# define X_SER_BYTES 56
+# define SER_BYTES 56
+typedef struct gf_s {
word_t limb[NLIMBS];
-} __attribute__((aligned(32))) gf_448_s, gf_448_t[1];
-
-#define GF_LIT_LIMB_BITS 56
-#define GF_BITS 448
-#define ZERO gf_448_ZERO
-#define ONE gf_448_ONE
-#define MODULUS gf_448_MODULUS
-#define gf gf_448_t
-#define gf_s gf_448_s
-#define gf_eq gf_448_eq
-#define gf_hibit gf_448_hibit
-#define gf_lobit gf_448_lobit
-#define gf_copy gf_448_copy
-#define gf_add gf_448_add
-#define gf_sub gf_448_sub
-#define gf_add_RAW gf_448_add_RAW
-#define gf_sub_RAW gf_448_sub_RAW
-#define gf_bias gf_448_bias
-#define gf_weak_reduce gf_448_weak_reduce
-#define gf_strong_reduce gf_448_strong_reduce
-#define gf_mul gf_448_mul
-#define gf_sqr gf_448_sqr
-#define gf_mulw_unsigned gf_448_mulw_unsigned
-#define gf_isr gf_448_isr
-#define gf_serialize gf_448_serialize
-#define gf_deserialize gf_448_deserialize
+} __attribute__ ((aligned(32))) gf_s, gf[1];
/* RFC 7748 support */
-#define X_PUBLIC_BYTES X_SER_BYTES
-#define X_PRIVATE_BYTES X_PUBLIC_BYTES
-#define X_PRIVATE_BITS 448
-
-#define SQRT_MINUS_ONE P448_SQRT_MINUS_ONE /* might not be defined */
+# define X_PUBLIC_BYTES X_SER_BYTES
+# define X_PRIVATE_BYTES X_PUBLIC_BYTES
+# define X_PRIVATE_BITS 448
-#define INLINE_UNUSED __inline__ __attribute__((unused,always_inline))
+# define INLINE_UNUSED __inline__ __attribute__((unused,always_inline))
#ifdef __cplusplus
extern "C" {
#endif
/* Defined below in f_impl.h */
-static INLINE_UNUSED void gf_copy (gf out, const gf a) { *out = *a; }
-static INLINE_UNUSED void gf_add_RAW (gf out, const gf a, const gf b);
-static INLINE_UNUSED void gf_sub_RAW (gf out, const gf a, const gf b);
-static INLINE_UNUSED void gf_bias (gf inout, int amount);
-static INLINE_UNUSED void gf_weak_reduce (gf inout);
-
-void gf_strong_reduce (gf inout);
-void gf_add (gf out, const gf a, const gf b);
-void gf_sub (gf out, const gf a, const gf b);
-void gf_mul (gf_s *__restrict__ out, const gf a, const gf b);
-void gf_mulw_unsigned (gf_s *__restrict__ out, const gf a, uint32_t b);
-void gf_sqr (gf_s *__restrict__ out, const gf a);
+static INLINE_UNUSED void gf_copy(gf out, const gf a)
+{
+ *out = *a;
+}
+
+static INLINE_UNUSED void gf_add_RAW(gf out, const gf a, const gf b);
+static INLINE_UNUSED void gf_sub_RAW(gf out, const gf a, const gf b);
+static INLINE_UNUSED void gf_bias(gf inout, int amount);
+static INLINE_UNUSED void gf_weak_reduce(gf inout);
+
+void gf_strong_reduce(gf inout);
+void gf_add(gf out, const gf a, const gf b);
+void gf_sub(gf out, const gf a, const gf b);
+void gf_mul(gf_s * __restrict__ out, const gf a, const gf b);
+void gf_mulw_unsigned(gf_s * __restrict__ out, const gf a, uint32_t b);
+void gf_sqr(gf_s * __restrict__ out, const gf a);
mask_t gf_isr(gf a, const gf x); /** a^2 x = 1, QNR, or 0 if x=0. Return true if successful */
-mask_t gf_eq (const gf x, const gf y);
-mask_t gf_lobit (const gf x);
-mask_t gf_hibit (const gf x);
+mask_t gf_eq(const gf x, const gf y);
+mask_t gf_lobit(const gf x);
+mask_t gf_hibit(const gf x);
-void gf_serialize (uint8_t *serial, const gf x,int with_highbit);
-mask_t gf_deserialize (gf x, const uint8_t serial[SER_BYTES],int with_hibit,uint8_t hi_nmask);
+void gf_serialize(uint8_t *serial, const gf x, int with_highbit);
+mask_t gf_deserialize(gf x, const uint8_t serial[SER_BYTES], int with_hibit,
+ uint8_t hi_nmask);
#ifdef __cplusplus
} /* extern "C" */
#endif
-#include "f_impl.h" /* Bring in the inline implementations */
+# include "f_impl.h" /* Bring in the inline implementations */
-#define P_MOD_8 7
-#if P_MOD_8 == 5
- extern const gf SQRT_MINUS_ONE;
-#endif
-
-#ifndef LIMBPERM
- #define LIMBPERM(i) (i)
-#endif
-#define LIMB_MASK(i) (((1ull)<<LIMB_PLACE_VALUE(i))-1)
+# ifndef LIMBPERM
+# define LIMBPERM(i) (i)
+# endif
+# define LIMB_MASK(i) (((1)<<LIMB_PLACE_VALUE(i))-1)
-static const gf ZERO = {{{0}}}, ONE = {{{ [LIMBPERM(0)] = 1 }}};
+static const gf ZERO = {{{0}}}, ONE = {{{1}}};
-#endif /* __P448_F_FIELD_H__ */
+#endif /* __P448_F_FIELD_H__ */
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