Quantum Key Based Burst Confidentiality in Optical Burst Switched Networks

Table 4

An 8-bit sample for two-stage QKD protocol.

Sequence of bits		1	2	3	4	5	6	7	8
1	Ingress node bit	1	0	1	0	1	1	0	0	STAGE I
	Ingress node polarization	135°	H	135°	H	135°	135°	H	H
2	Egress node detector basis	45°	45°	V	V	45°	45°	45°	V
	Egress node bit	0	0	1	1	0	0	0	1
3	Egress node measurement	N	N	Y	N	N	N	Y	N
	Shared secret key in the 1st stage	—	—	1	—		—	0	—
4	Egress node source basis	R	R	—	D	R	R	—	D
	Egress node bit	1	0	—	0	0	1	—	1
	Egress node polarization	V	H	—	45°	H	V	—	135°
5	Ingress node detector basis	R	D	—	D	R	R	—	D
6	Ingress node measurement	V	45°	—	45°	H	V	—	135°
	Ingress node bit	1	0	—	0	0	1	—	1
7	Ingress node reports basis	R	D	—	D	R	R	—	D	STAGE II
8	Egress node response	Y	N	—	Y	Y	Y	—	Y
9	Shared secret key in the 1st stage	1	—	—	0	0	1	—	1
10	The final shared secret key	1	—	1	0	0	1	0	1