Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 2005 - 2006 Pekka Riikonen
+ Copyright (C) 2005 - 2008 Pekka Riikonen
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
#include "silccrypto.h"
#include "mp_tfm.h"
-void silc_mp_init(SilcMPInt *mp)
+static void silc_mp_set_errno(int err)
{
- fp_init(mp);
+ if (err == TFM_FP_VAL)
+ silc_set_errno(SILC_ERR_INVALID_ARGUMENT);
+ else if (err == TFM_FP_MEM)
+ silc_set_errno(SILC_ERR_OUT_OF_MEMORY);
+}
+
+SilcBool silc_mp_init(SilcMPInt *mp)
+{
+ tfm_fp_init(mp);
+ return TRUE;
+}
+
+SilcBool silc_mp_sinit(SilcStack stack, SilcMPInt *mp)
+{
+ if (stack)
+ stack = silc_stack_alloc(0, stack);
+ tfm_fp_sinit(stack, mp);
+ return TRUE;
}
void silc_mp_uninit(SilcMPInt *mp)
{
- fp_zero(mp);
+ tfm_fp_zero(mp);
}
size_t silc_mp_size(SilcMPInt *mp)
{
- return fp_unsigned_bin_size(mp);
+ return tfm_fp_unsigned_bin_size(mp);
}
size_t silc_mp_sizeinbase(SilcMPInt *mp, int base)
{
int size = 0;
- fp_radix_size(mp, base, &size);
+ tfm_fp_radix_size(mp, base, &size);
if (size > 1)
size--;
return size;
}
-void silc_mp_set(SilcMPInt *dst, SilcMPInt *src)
+SilcBool silc_mp_set(SilcMPInt *dst, SilcMPInt *src)
{
- fp_copy(src, dst);
+ int ret;
+ if ((ret = tfm_fp_copy(src, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_set_ui(SilcMPInt *dst, SilcUInt32 ui)
+SilcBool silc_mp_set_ui(SilcMPInt *dst, SilcUInt32 ui)
{
- fp_set(dst, ui);
+ int ret;
+ if ((ret = tfm_fp_set(dst, ui))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_set_si(SilcMPInt *dst, SilcInt32 si)
+SilcBool silc_mp_set_si(SilcMPInt *dst, SilcInt32 si)
{
- fp_set(dst, si);
+ int ret;
+ if ((ret = tfm_fp_set(dst, si))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_set_str(SilcMPInt *dst, const char *str, int base)
+SilcBool silc_mp_set_str(SilcMPInt *dst, const char *str, int base)
{
- fp_read_radix(dst, str, base);
+ int ret;
+ if ((ret = tfm_fp_read_radix(dst, (char *)str, base))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
SilcUInt32 silc_mp_get_ui(SilcMPInt *mp)
{
- fp_int *tmp = mp;
+ tfm_fp_int *tmp = mp;
return tmp->used > 0 ? tmp->dp[0] : 0;
}
char *silc_mp_get_str(char *str, SilcMPInt *mp, int base)
{
- if (fp_toradix(mp, str, base) != MP_OKAY)
+ if (tfm_fp_toradix(mp, str, base) != TFM_FP_OKAY)
return NULL;
return str;
}
-void silc_mp_add(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
+SilcBool silc_mp_add(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
{
- fp_add(mp1, mp2, dst);
+ int ret;
+ if ((ret = tfm_fp_add(mp1, mp2, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_add_ui(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 ui)
+SilcBool silc_mp_add_ui(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 ui)
{
- mp_add_d(mp1, (mp_digit)ui, dst);
+ int ret;
+ if ((ret = tfm_fp_add_d(mp1, (tfm_fp_digit)ui, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_sub(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
+SilcBool silc_mp_sub(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
{
- fp_sub(mp1, mp2, dst);
+ int ret;
+ if ((ret = tfm_fp_sub(mp1, mp2, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_sub_ui(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 ui)
+SilcBool silc_mp_sub_ui(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 ui)
{
- fp_sub_d(mp1, (mp_digit)ui, dst);
+ int ret;
+ if ((ret = tfm_fp_sub_d(mp1, (tfm_fp_digit)ui, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_mul(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
+SilcBool silc_mp_mul(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
{
- fp_mul(mp1, mp2, dst);
+ int ret;
+ if ((ret = tfm_fp_mul(mp1, mp2, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_mul_ui(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 ui)
+SilcBool silc_mp_mul_ui(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 ui)
{
- fp_mul_d(mp1, (mp_digit)ui, dst);
+ int ret;
+ if ((ret = tfm_fp_mul_d(mp1, (tfm_fp_digit)ui, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_mul_2exp(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 exp)
+SilcBool silc_mp_mul_2exp(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 exp)
{
- fp_mul_2d(mp1, exp, dst);
+ int ret;
+ if ((ret = tfm_fp_mul_2d(mp1, exp, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_sqrt(SilcMPInt *dst, SilcMPInt *src)
+SilcBool silc_mp_sqrt(SilcMPInt *dst, SilcMPInt *src)
{
- fp_sqrt(src, dst);
+ int ret;
+ if ((ret = tfm_fp_sqrt(src, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_div(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
+SilcBool silc_mp_div(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
{
- fp_div(mp1, mp2, dst, NULL);
+ int ret;
+ if ((ret = tfm_fp_div(mp1, mp2, dst, NULL))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_div_ui(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 ui)
+SilcBool silc_mp_div_ui(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 ui)
{
- fp_div_d(mp1, (mp_digit)ui, dst, NULL);
+ int ret;
+ if ((ret = tfm_fp_div_d(mp1, (tfm_fp_digit)ui, dst, NULL))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_div_qr(SilcMPInt *q, SilcMPInt *r, SilcMPInt *mp1,
+SilcBool silc_mp_div_qr(SilcMPInt *q, SilcMPInt *r, SilcMPInt *mp1,
SilcMPInt *mp2)
{
- fp_div(mp1, mp2, q, r);
+ int ret;
+ if ((ret = tfm_fp_div(mp1, mp2, q, r))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_div_2exp(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 exp)
+SilcBool silc_mp_div_2exp(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 exp)
{
- fp_div_2d(mp1, exp, dst, NULL);
+ int ret;
+ if ((ret = tfm_fp_div_2d(mp1, exp, dst, NULL))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_div_2exp_qr(SilcMPInt *q, SilcMPInt *r, SilcMPInt *mp1,
+SilcBool silc_mp_div_2exp_qr(SilcMPInt *q, SilcMPInt *r, SilcMPInt *mp1,
SilcUInt32 exp)
{
- fp_div_2d(mp1, exp, q, r);
+ int ret;
+ if ((ret = tfm_fp_div_2d(mp1, exp, q, r))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_mod(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
+SilcBool silc_mp_mod(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
{
- fp_mod(mp1, mp2, dst);
+ int ret;
+ if ((ret = tfm_fp_mod(mp1, mp2, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_mod_ui(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 ui)
+SilcBool silc_mp_mod_ui(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 ui)
{
- fp_digit d;
- fp_mod_d(mp1, ui, &d);
- silc_mp_set_ui(dst, d);
-}
+ tfm_fp_digit d;
+ int ret;
-void silc_mp_mod_2exp(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 ui)
-{
- fp_mod_2d(mp1, ui, dst);
+ if ((ret = tfm_fp_mod_d(mp1, ui, &d))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ if ((ret = silc_mp_set_ui(dst, d))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_pow(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *exp)
+SilcBool silc_mp_mod_2exp(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 ui)
{
- SILC_NOT_IMPLEMENTED("silc_mp_pow");
- assert(FALSE);
+ int ret;
+ if ((ret = tfm_fp_mod_2d(mp1, ui, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_pow_ui(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 exp)
+SilcBool silc_mp_pow_ui(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 exp)
{
- SILC_NOT_IMPLEMENTED("silc_mp_pow_ui");
- assert(FALSE);
+ int ret;
+ if ((ret = tfm_fp_expt_d(mp1, (tfm_fp_digit)exp, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_pow_mod(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *exp,
+SilcBool silc_mp_pow_mod(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *exp,
SilcMPInt *mod)
{
- fp_exptmod(mp1, exp, mod, dst);
+ int ret;
+ if ((ret = tfm_fp_exptmod(mp1, exp, mod, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_pow_mod_ui(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 exp,
- SilcMPInt *mod)
+SilcBool silc_mp_pow_mod_ui(SilcMPInt *dst, SilcMPInt *mp1, SilcUInt32 exp,
+ SilcMPInt *mod)
{
SilcMPInt tmp;
- silc_mp_init(&tmp);
- silc_mp_set_ui(&tmp, exp);
- silc_mp_pow_mod(dst, mp1, &tmp, mod);
+ int ret;
+
+ if ((ret = silc_mp_init(&tmp))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ if ((ret = silc_mp_set_ui(&tmp, exp))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ if ((ret = silc_mp_pow_mod(dst, mp1, &tmp, mod))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
silc_mp_uninit(&tmp);
+ return TRUE;
}
-void silc_mp_gcd(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
+SilcBool silc_mp_gcd(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
{
- fp_gcd(mp1, mp2, dst);
-}
-
-void silc_mp_gcdext(SilcMPInt *g, SilcMPInt *s, SilcMPInt *t, SilcMPInt *mp1,
- SilcMPInt *mp2)
-{
- SILC_NOT_IMPLEMENTED("silc_mp_gcdext");
- assert(FALSE);
+ int ret;
+ if ((ret = tfm_fp_gcd(mp1, mp2, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
int silc_mp_cmp(SilcMPInt *mp1, SilcMPInt *mp2)
{
- return fp_cmp(mp1, mp2);
+ return tfm_fp_cmp(mp1, mp2);
}
int silc_mp_cmp_si(SilcMPInt *mp1, SilcInt32 si)
{
- return fp_cmp_d(mp1, si);
+ return tfm_fp_cmp_d(mp1, si);
}
int silc_mp_cmp_ui(SilcMPInt *mp1, SilcUInt32 ui)
{
- return fp_cmp_d(mp1, ui);
+ return tfm_fp_cmp_d(mp1, ui);
+}
+
+SilcBool silc_mp_abs(SilcMPInt *dst, SilcMPInt *src)
+{
+ tfm_fp_abs(src, dst);
+ return TRUE;
}
-void silc_mp_abs(SilcMPInt *dst, SilcMPInt *src)
+SilcBool silc_mp_neg(SilcMPInt *dst, SilcMPInt *src)
{
- fp_abs(src, dst);
+ tfm_fp_neg(src, dst);
+ return TRUE;
}
-void silc_mp_neg(SilcMPInt *dst, SilcMPInt *src)
+SilcBool silc_mp_and(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
{
- fp_neg(src, dst);
+ int ret;
+ if ((ret = tfm_fp_and(mp1, mp2, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_and(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
+SilcBool silc_mp_or(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
{
- SILC_NOT_IMPLEMENTED("silc_mp_and");
- assert(FALSE);
+ int ret;
+ if ((ret = tfm_fp_or(mp1, mp2, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_or(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
+SilcBool silc_mp_xor(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
{
- SILC_NOT_IMPLEMENTED("silc_mp_or");
- assert(FALSE);
+ int ret;
+ if ((ret = tfm_fp_xor(mp1, mp2, dst))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
-void silc_mp_xor(SilcMPInt *dst, SilcMPInt *mp1, SilcMPInt *mp2)
+SilcBool silc_mp_modinv(SilcMPInt *inv, SilcMPInt *a, SilcMPInt *n)
{
- SILC_NOT_IMPLEMENTED("silc_mp_xor");
- assert(FALSE);
+ int ret;
+ if ((ret = tfm_fp_invmod(a, n, inv))) {
+ silc_mp_set_errno(ret);
+ return FALSE;
+ }
+ return TRUE;
}
projects / crypto.git / blobdiff