Cryptography Reference
In-Depth Information
while (r_l <= msdptrr_l)
{
*t_l++ = *r_l++;
}
cpy_l (c_l, d_l);
}
Function:
operation by bitwise exclusive OR (XOR)
Syntax:
void xor_l (CLINT a_l, CLINT b_l, CLINT c_l);
a_l
,
b_l
(arguments to be operated on)
Input:
c_l
(value of the XOR operation)
Output:
void
xor_l (CLINT a_l, CLINT b_l, CLINT c_l)
{
CLINT d_l;
clint *r_l, *s_l, *t_l;
clint *msdptrr_l;
clint *msdptrs_l;
if (DIGITS_L (a_l) < DIGITS_L (b_l))
{
r_l = LSDPTR_L (b_l);
s_l = LSDPTR_L (a_l);
msdptrr_l = MSDPTR_L (b_l);
msdptrs_l = MSDPTR_L (a_l);
}
else
{
r_l = LSDPTR_L (a_l);
s_l = LSDPTR_L (b_l);
msdptrr_l = MSDPTR_L (a_l);
msdptrs_l = MSDPTR_L (b_l);
}
t_l = LSDPTR_L (d_l);
SETDIGITS_L (d_l, DIGITS_L (r_l - 1));
