TeaSpeak/tommath
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

refactor without bitwise operator

Browse Source
This commit is contained in:
Francois Perrad 2018-09-23 10:16:25 +02:00
parent 482cf1e128
commit 434dbcab27
3 changed files with 6 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
bn_mp_tc_and.c
View File

@ -17,7 +17,7 @@
int mp_tc_and(const mp_int *a, const mp_int *b, mp_int *c)
{
int res = MP_OKAY, bits;
int as = mp_isneg(a), bs = mp_isneg(b), s = 0;
int as = mp_isneg(a), bs = mp_isneg(b);
mp_int *mx = NULL, _mx, acpy, bcpy;
if ((as != MP_NO) || (bs != MP_NO)) {
@ -62,9 +62,8 @@ int mp_tc_and(const mp_int *a, const mp_int *b, mp_int *c)
}
res = mp_and(a, b, c);
s = as & bs;
if (s && res == MP_OKAY) {
if ((as != MP_NO) && (bs != MP_NO) && (res == MP_OKAY)) {
res = mp_sub(c, mx, c);
}

5
bn_mp_tc_or.c
View File

@ -17,7 +17,7 @@
int mp_tc_or(const mp_int *a, const mp_int *b, mp_int *c)
{
int res = MP_OKAY, bits;
int as = mp_isneg(a), bs = mp_isneg(b), s = 0;
int as = mp_isneg(a), bs = mp_isneg(b);
mp_int *mx = NULL, _mx, acpy, bcpy;
if ((as != MP_NO) || (bs != MP_NO)) {
@ -62,9 +62,8 @@ int mp_tc_or(const mp_int *a, const mp_int *b, mp_int *c)
}
res = mp_or(a, b, c);
s = as | bs;
if (s && res == MP_OKAY) {
if (((as != MP_NO) || (bs != MP_NO)) && (res == MP_OKAY)) {
res = mp_sub(c, mx, c);
}

5
bn_mp_tc_xor.c
View File

@ -17,7 +17,7 @@
int mp_tc_xor(const mp_int *a, const mp_int *b, mp_int *c)
{
int res = MP_OKAY, bits;
int as = mp_isneg(a), bs = mp_isneg(b), s = 0;
int as = mp_isneg(a), bs = mp_isneg(b);
mp_int *mx = NULL, _mx, acpy, bcpy;
if ((as != MP_NO) || (bs != MP_NO)) {
@ -62,9 +62,8 @@ int mp_tc_xor(const mp_int *a, const mp_int *b, mp_int *c)
}
res = mp_xor(a, b, c);
s = as ^ bs;
if (s && res == MP_OKAY) {
if ((as != bs) && (res == MP_OKAY)) {
res = mp_sub(c, mx, c);
}