+/*
+ * Copyright (C) 2017 Denys Vlasenko
+ *
+ * Licensed under GPLv2, see file LICENSE in this source tree.
+ */
+/* The file is taken almost verbatim from matrixssl-3-7-2b-open/crypto/math/.
+ * Changes are flagged with //bbox
+ */
+
/**
* @file pstm.h
* @version 33ef80f (HEAD, tag: MATRIXSSL-3-7-2-OPEN, tag: MATRIXSSL-3-7-2-COMM, origin/master, origin/HEAD, master)
#define PSTM_MAX_SIZE 4096
typedef struct {
- int16 used, alloc, sign;
+ int used, alloc, sign; //bbox: was int16
pstm_digit *dp;
- psPool_t *pool;
+//bbox psPool_t *pool;
} pstm_int;
/******************************************************************************/
#define pstm_isodd(a) (((a)->used > 0 && (((a)->dp[0] & 1) == 1)) ? PS_TRUE : PS_FALSE)
#define pstm_abs(a, b) { pstm_copy(a, b); (b)->sign = 0; }
-extern void pstm_set(pstm_int *a, pstm_digit b);
+//made static:extern void pstm_set(pstm_int *a, pstm_digit b);
-extern void pstm_zero(pstm_int * a);
+//made static:extern void pstm_zero(pstm_int * a);
-extern int32 pstm_init(psPool_t *pool, pstm_int * a);
+//bbox: pool unused
+#define pstm_init(pool, a) \
+ pstm_init( a)
+//made static:extern int32 pstm_init(psPool_t *pool, pstm_int * a);
-extern int32 pstm_init_size(psPool_t *pool, pstm_int * a, uint32 size);
+//bbox: pool unused
+#define pstm_init_size(pool, a, size) \
+ pstm_init_size( a, size)
+extern int32 pstm_init_size(psPool_t *pool, pstm_int * a, uint32 size) FAST_FUNC;
-extern int32 pstm_init_copy(psPool_t *pool, pstm_int * a, pstm_int * b,
- int16 toSqr);
+//bbox: pool unused
+#define pstm_init_copy(pool, a, b, toSqr) \
+ pstm_init_copy( a, b, toSqr)
+//made static:extern int32 pstm_init_copy(psPool_t *pool, pstm_int * a, pstm_int * b,
+//made static: int toSqr); //bbox: was int16 toSqr
-extern int16 pstm_count_bits (pstm_int * a);
+//made static:extern int pstm_count_bits (pstm_int * a) FAST_FUNC; //bbox: was returning int16
+//bbox: pool unused
+#define pstm_init_for_read_unsigned_bin(pool, a, len) \
+ pstm_init_for_read_unsigned_bin( a, len)
extern int32 pstm_init_for_read_unsigned_bin(psPool_t *pool, pstm_int *a,
- uint32 len);
+ uint32 len) FAST_FUNC;
-extern int32 pstm_read_unsigned_bin(pstm_int *a, unsigned char *b, int32 c);
+extern int32 pstm_read_unsigned_bin(pstm_int *a, unsigned char *b, int32 c) FAST_FUNC;
-extern int32 pstm_unsigned_bin_size(pstm_int *a);
+extern int32 pstm_unsigned_bin_size(pstm_int *a) FAST_FUNC;
extern int32 pstm_copy(pstm_int * a, pstm_int * b);
-extern void pstm_exch(pstm_int * a, pstm_int * b);
+//made static:extern void pstm_exch(pstm_int * a, pstm_int * b);
-extern void pstm_clear(pstm_int * a);
+extern void pstm_clear(pstm_int * a) FAST_FUNC;
extern void pstm_clear_multi(pstm_int *mp0, pstm_int *mp1, pstm_int *mp2,
pstm_int *mp3, pstm_int *mp4, pstm_int *mp5, pstm_int *mp6,
- pstm_int *mp7);
+ pstm_int *mp7) FAST_FUNC;
-extern int32 pstm_grow(pstm_int * a, int16 size);
+extern int32 pstm_grow(pstm_int * a, int size) FAST_FUNC; //bbox: was int16 size
-extern void pstm_clamp(pstm_int * a);
+extern void pstm_clamp(pstm_int * a) FAST_FUNC;
-extern int32 pstm_cmp(pstm_int * a, pstm_int * b);
+extern int32 pstm_cmp(pstm_int * a, pstm_int * b) FAST_FUNC;
-extern int32 pstm_cmp_mag(pstm_int * a, pstm_int * b);
+extern int32 pstm_cmp_mag(pstm_int * a, pstm_int * b) FAST_FUNC;
-extern void pstm_rshd(pstm_int *a, int16 x);
+//made static:extern void pstm_rshd(pstm_int *a, int x); //bbox: was int16 x
-extern int32 pstm_lshd(pstm_int * a, int16 b);
+//made static:extern int32 pstm_lshd(pstm_int * a, int b); //bbox: was int16 b
-extern int32 pstm_div(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c,
- pstm_int *d);
+//bbox: pool unused
+#define pstm_div(pool, a, b, c, d) \
+ pstm_div( a, b, c, d)
+//made static:extern int32 pstm_div(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c,
+//made static: pstm_int *d);
-extern int32 pstm_div_2d(psPool_t *pool, pstm_int *a, int16 b, pstm_int *c,
- pstm_int *d);
+//bbox: pool unused
+#define pstm_div_2d(pool, a, b, c, d) \
+ pstm_div_2d( a, b, c, d)
+//made static:extern int32 pstm_div_2d(psPool_t *pool, pstm_int *a, int b, pstm_int *c,
+//made static: pstm_int *d); //bbox: was int16 b
-extern int32 pstm_div_2(pstm_int * a, pstm_int * b);
+extern int32 pstm_div_2(pstm_int * a, pstm_int * b) FAST_FUNC;
-extern int32 s_pstm_sub(pstm_int *a, pstm_int *b, pstm_int *c);
+extern int32 s_pstm_sub(pstm_int *a, pstm_int *b, pstm_int *c) FAST_FUNC;
-extern int32 pstm_sub(pstm_int *a, pstm_int *b, pstm_int *c);
+extern int32 pstm_sub(pstm_int *a, pstm_int *b, pstm_int *c) FAST_FUNC;
-extern int32 pstm_sub_d(psPool_t *pool, pstm_int *a, pstm_digit b, pstm_int *c);
+//bbox: pool unused
+#define pstm_sub_d(pool, a, b, c) \
+ pstm_sub_d( a, b, c)
+extern int32 pstm_sub_d(psPool_t *pool, pstm_int *a, pstm_digit b, pstm_int *c) FAST_FUNC;
-extern int32 pstm_mul_2(pstm_int * a, pstm_int * b);
+extern int32 pstm_mul_2(pstm_int * a, pstm_int * b) FAST_FUNC;
-extern int32 pstm_mod(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c);
+//bbox: pool unused
+#define pstm_mod(pool, a, b, c) \
+ pstm_mod( a, b, c)
+//made static:extern int32 pstm_mod(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c);
+//bbox: pool unused
+#define pstm_mulmod(pool, a, b, c, d) \
+ pstm_mulmod( a, b, c, d)
extern int32 pstm_mulmod(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c,
- pstm_int *d);
+ pstm_int *d) FAST_FUNC;
+//bbox: pool unused
+#define pstm_exptmod(pool, G, X, P, Y) \
+ pstm_exptmod( G, X, P, Y)
extern int32 pstm_exptmod(psPool_t *pool, pstm_int *G, pstm_int *X, pstm_int *P,
- pstm_int *Y);
+ pstm_int *Y) FAST_FUNC;
-extern int32 pstm_2expt(pstm_int *a, int16 b);
+//made static:extern int32 pstm_2expt(pstm_int *a, int b); //bbox: was int16 b
-extern int32 pstm_add(pstm_int *a, pstm_int *b, pstm_int *c);
+extern int32 pstm_add(pstm_int *a, pstm_int *b, pstm_int *c) FAST_FUNC;
+//bbox: pool unused
+#define pstm_to_unsigned_bin(pool, a, b) \
+ pstm_to_unsigned_bin( a, b)
extern int32 pstm_to_unsigned_bin(psPool_t *pool, pstm_int *a,
- unsigned char *b);
+ unsigned char *b) FAST_FUNC;
+//bbox: pool unused
+#define pstm_to_unsigned_bin_nr(pool, a, b) \
+ pstm_to_unsigned_bin_nr( a, b)
extern int32 pstm_to_unsigned_bin_nr(psPool_t *pool, pstm_int *a,
- unsigned char *b);
+ unsigned char *b) FAST_FUNC;
-extern int32 pstm_montgomery_setup(pstm_int *a, pstm_digit *rho);
+//made static:extern int32 pstm_montgomery_setup(pstm_int *a, pstm_digit *rho);
-///bbox: pool unused
+//bbox: pool unused
#define pstm_montgomery_reduce(pool, a, m, mp, paD, paDlen) \
pstm_montgomery_reduce( a, m, mp, paD, paDlen)
extern int32 pstm_montgomery_reduce(psPool_t *pool, pstm_int *a, pstm_int *m,
- pstm_digit mp, pstm_digit *paD, uint32 paDlen);
+ pstm_digit mp, pstm_digit *paD, uint32 paDlen) FAST_FUNC;
#define pstm_mul_comba(pool, A, B, C, paD, paDlen) \
pstm_mul_comba( A, B, C, paD, paDlen)
extern int32 pstm_mul_comba(psPool_t *pool, pstm_int *A, pstm_int *B,
- pstm_int *C, pstm_digit *paD, uint32 paDlen);
+ pstm_int *C, pstm_digit *paD, uint32 paDlen) FAST_FUNC;
-///bbox: pool unused
+//bbox: pool unused
#define pstm_sqr_comba(pool, A, B, paD, paDlen) \
pstm_sqr_comba( A, B, paD, paDlen)
extern int32 pstm_sqr_comba(psPool_t *pool, pstm_int *A, pstm_int *B,
- pstm_digit *paD, uint32 paDlen);
+ pstm_digit *paD, uint32 paDlen) FAST_FUNC;
-extern int32 pstm_cmp_d(pstm_int *a, pstm_digit b);
+//made static:extern int32 pstm_cmp_d(pstm_int *a, pstm_digit b);
-extern int32 pstm_montgomery_calc_normalization(pstm_int *a, pstm_int *b);
+//made static:extern int32 pstm_montgomery_calc_normalization(pstm_int *a, pstm_int *b);
-extern int32 pstm_mul_d(pstm_int *a, pstm_digit b, pstm_int *c);
+//made static:extern int32 pstm_mul_d(pstm_int *a, pstm_digit b, pstm_int *c);
+//bbox: pool unused
+#define pstm_invmod(pool, a, b, c) \
+ pstm_invmod( a, b, c)
extern int32 pstm_invmod(psPool_t *pool, pstm_int * a, pstm_int * b,
- pstm_int * c);
+ pstm_int * c) FAST_FUNC;
#else /* DISABLE_PSTM */
typedef int32 pstm_int;
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