21 	u8 S[256], K[256], temp;  in P_RC4()  local
28 		S[i] = (u8)i;  in P_RC4()
36 		j = (j + S[i] + K[i]) % 256;  in P_RC4()
37 		temp = S[i];  in P_RC4()
38 		S[i] = S[j];  in P_RC4()
39 		S[j] = temp;  in P_RC4()
46 		j = (j + S[i]) % 256;  in P_RC4()
47 		temp = S[i];  in P_RC4()
48 		S[i] = S[j];  in P_RC4()
49 		S[j] = temp;  in P_RC4()
50 		t = (S[i] + (S[j] % 256)) % 256;  in P_RC4()
51 		buf[x] = buf[x] ^ S[t];  in P_RC4()