/*
- * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
* Copyright 2014-2016 Cryptography Research, Inc.
*
* Licensed under the OpenSSL license (the "License"). You may not use
*
* Originally written by Mike Hamburg
*/
-#define GF_HEADROOM 2
-#define LIMB(x) (x)&((1<<28)-1), (x)>>28
-#define FIELD_LITERAL(a,b,c,d,e,f,g,h) \
- {{LIMB(a),LIMB(b),LIMB(c),LIMB(d),LIMB(e),LIMB(f),LIMB(g),LIMB(h)}}
-#define LIMB_PLACE_VALUE(i) 28
+#ifndef HEADER_ARCH_32_F_IMPL_H
+# define HEADER_ARCH_32_F_IMPL_H
+
+# define GF_HEADROOM 2
+# define LIMB(x) ((x) & ((1 << 28) - 1)), ((x) >> 28)
+# define FIELD_LITERAL(a, b, c, d, e, f, g, h) \
+ {{LIMB(a), LIMB(b), LIMB(c), LIMB(d), LIMB(e), LIMB(f), LIMB(g), LIMB(h)}}
+
+# define LIMB_PLACE_VALUE(i) 28
void gf_add_RAW(gf out, const gf a, const gf b)
{
unsigned int i;
- for (i = 0; i < sizeof(*out) / sizeof(out->limb[0]); i++) {
+ for (i = 0; i < NLIMBS; i++)
out->limb[i] = a->limb[i] + b->limb[i];
- }
}
void gf_sub_RAW(gf out, const gf a, const gf b)
{
unsigned int i;
- for (i = 0; i < sizeof(*out) / sizeof(out->limb[0]); i++) {
+ for (i = 0; i < NLIMBS; i++)
out->limb[i] = a->limb[i] - b->limb[i];
- }
}
void gf_bias(gf a, int amt)
unsigned int i;
uint32_t co1 = ((1 << 28) - 1) * amt, co2 = co1 - amt;
- for (i = 0; i < sizeof(*a) / sizeof(a->limb[0]); i++)
+ for (i = 0; i < NLIMBS; i++)
a->limb[i] += (i == sizeof(*a) / sizeof(a->limb[0]) / 2) ? co2 : co1;
}
a->limb[i] = (a->limb[i] & mask) + (a->limb[i - 1] >> 28);
a->limb[0] = (a->limb[0] & mask) + tmp;
}
+
+#endif /* HEADER_ARCH_32_F_IMPL_H */