int
main(int argc, char *argv[])
{
int ch;
while ((ch = getopt(argc, argv, "dn")) != -1) {
switch (ch) {
case 'd':
debug = 1;
break;
case 'n':
mode32 = 1;
break;
default:
abort();
}
}
setup();
while (1) {
if (mode32)
loop32();
else
loop8();
if (debug)
sleep(1);
}
}
rijndaelCtx *
rijndael_set_key(rijndaelCtx *ctx, const uint32_t *in_key, const uint32_t key_len,
int encrypt)
{
uint32_t i,
t,
u,
v,
w;
uint32_t *e_key = ctx->e_key;
uint32_t *d_key = ctx->d_key;
ctx->decrypt = !encrypt;
ctx->k_len = (key_len + 31) / 32;
e_key[0] = io_swap(in_key[0]);
e_key[1] = io_swap(in_key[1]);
e_key[2] = io_swap(in_key[2]);
e_key[3] = io_swap(in_key[3]);
switch (ctx->k_len)
{
case 4:
t = e_key[3];
for (i = 0; i < 10; ++i)
loop4(i);
break;
case 6:
e_key[4] = io_swap(in_key[4]);
t = e_key[5] = io_swap(in_key[5]);
for (i = 0; i < 8; ++i)
loop6(i);
break;
case 8:
e_key[4] = io_swap(in_key[4]);
e_key[5] = io_swap(in_key[5]);
e_key[6] = io_swap(in_key[6]);
t = e_key[7] = io_swap(in_key[7]);
for (i = 0; i < 7; ++i)
loop8(i);
break;
}
if (!encrypt)
{
d_key[0] = e_key[0];
d_key[1] = e_key[1];
d_key[2] = e_key[2];
d_key[3] = e_key[3];
for (i = 4; i < 4 * ctx->k_len + 24; ++i)
imix_col(d_key[i], e_key[i]);
}
return ctx;
}
int main(int argc, char *argv[])
{
loop0();
loop1();
loop2();
loop3();
loop4();
loop5();
loop6();
loop7();
loop8();
loop9();
loop10();
}
void rijndael::set_key(const u1byte in_key[], const u4byte key_len)
{
u4byte i, t, u, v, w;
if(!tab_gen)
gen_tabs();
k_len = (key_len + 31) / 32;
e_key[0] = u4byte_in(in_key );
e_key[1] = u4byte_in(in_key + 4);
e_key[2] = u4byte_in(in_key + 8);
e_key[3] = u4byte_in(in_key + 12);
switch(k_len)
{
case 4: t = e_key[3];
for(i = 0; i < 10; ++i)
loop4(i);
break;
case 6: e_key[4] = u4byte_in(in_key + 16); t = e_key[5] = u4byte_in(in_key + 20);
for(i = 0; i < 8; ++i)
loop6(i);
break;
case 8: e_key[4] = u4byte_in(in_key + 16); e_key[5] = u4byte_in(in_key + 20);
e_key[6] = u4byte_in(in_key + 24); t = e_key[7] = u4byte_in(in_key + 28);
for(i = 0; i < 7; ++i)
loop8(i);
break;
}
d_key[0] = e_key[0]; d_key[1] = e_key[1];
d_key[2] = e_key[2]; d_key[3] = e_key[3];
for(i = 4; i < 4 * k_len + 24; ++i)
{
imix_col(d_key[i], e_key[i]);
}
return;
}
