- if (enc)
- {
- c2l(iv,xor0);
- c2l(iv,xor1);
- for (; length>0; length-=8)
- {
- if (length >= 8)
- {
- c2l(in,sin0);
- c2l(in,sin1);
- }
- else
- c2ln(in,sin0,sin1,length);
- tin[0]=sin0^xor0;
- tin[1]=sin1^xor1;
- DES_encrypt1((DES_LONG *)tin,schedule,DES_ENCRYPT);
- tout0=tin[0];
- tout1=tin[1];
- xor0=sin0^tout0;
- xor1=sin1^tout1;
- l2c(tout0,out);
- l2c(tout1,out);
- }
- }
- else
- {
- c2l(iv,xor0); c2l(iv,xor1);
- for (; length>0; length-=8)
- {
- c2l(in,sin0);
- c2l(in,sin1);
- tin[0]=sin0;
- tin[1]=sin1;
- DES_encrypt1((DES_LONG *)tin,schedule,DES_DECRYPT);
- tout0=tin[0]^xor0;
- tout1=tin[1]^xor1;
- if (length >= 8)
- {
- l2c(tout0,out);
- l2c(tout1,out);
- }
- else
- l2cn(tout0,tout1,out,length);
- xor0=tout0^sin0;
- xor1=tout1^sin1;
- }
- }
- tin[0]=tin[1]=0;
- sin0=sin1=xor0=xor1=tout0=tout1=0;
- }
+ if (enc) {
+ c2l(iv, xor0);
+ c2l(iv, xor1);
+ for (; length > 0; length -= 8) {
+ if (length >= 8) {
+ c2l(in, sin0);
+ c2l(in, sin1);
+ } else
+ c2ln(in, sin0, sin1, length);
+ tin[0] = sin0 ^ xor0;
+ tin[1] = sin1 ^ xor1;
+ DES_encrypt1((DES_LONG *)tin, schedule, DES_ENCRYPT);
+ tout0 = tin[0];
+ tout1 = tin[1];
+ xor0 = sin0 ^ tout0;
+ xor1 = sin1 ^ tout1;
+ l2c(tout0, out);
+ l2c(tout1, out);
+ }
+ } else {
+ c2l(iv, xor0);
+ c2l(iv, xor1);
+ for (; length > 0; length -= 8) {
+ c2l(in, sin0);
+ c2l(in, sin1);
+ tin[0] = sin0;
+ tin[1] = sin1;
+ DES_encrypt1((DES_LONG *)tin, schedule, DES_DECRYPT);
+ tout0 = tin[0] ^ xor0;
+ tout1 = tin[1] ^ xor1;
+ if (length >= 8) {
+ l2c(tout0, out);
+ l2c(tout1, out);
+ } else
+ l2cn(tout0, tout1, out, length);
+ xor0 = tout0 ^ sin0;
+ xor1 = tout1 ^ sin1;
+ }
+ }
+ tin[0] = tin[1] = 0;
+ sin0 = sin1 = xor0 = xor1 = tout0 = tout1 = 0;
+}