25 	u32 S[256];  member
39 		ctx->S[i] = i;  in arc4_set_key()
42 		u32 a = ctx->S[i];  in arc4_set_key()
44 		ctx->S[i] = ctx->S[j];  in arc4_set_key()
45 		ctx->S[j] = a;  in arc4_set_key()
56 	u32 *const S = ctx->S;  in arc4_crypt()  local
66 	a = S[x];  in arc4_crypt()
68 	b = S[y];  in arc4_crypt()
71 		S[y] = a;  in arc4_crypt()
73 		S[x] = b;  in arc4_crypt()
75 		ta = S[x];  in arc4_crypt()
77 		tb = S[ty];  in arc4_crypt()
78 		*out++ = *in++ ^ S[a];  in arc4_crypt()