秘密信息

原始拖尾系数符号关系(逆序)

需要调制的拖尾系数符号

s i s i + 1 = 00

c 1 c 2 = 0 , c 2 c 3 = 0

不变

c 1 c 2 = 0 , c 2 c 3 = 1

c 3

c 1 c 2 = 1 , c 2 c 3 = 0

c 1

c 1 c 2 = 1 , c 2 c 3 = 1

c 2

s i s i + 1 = 01

c 1 c 2 = 0 , c 2 c 3 = 0

c 3

c 1 c 2 = 0 , c 2 c 3 = 1

不变

c 1 c 2 = 1 , c 2 c 3 = 0

c 1 c 2 = 1 , c 2 c 3 = 1

c 1

s i s i + 1 = 10

c 1 c 2 = 0 , c 2 c 3 = 0

c 1

c 2

c 1 c 2 = 1 , c 2 c 3 = 0

不变

c 1 c 2 = 1 , c 2 c 3 = 1

c 3

s i s i + 1 = 11

c 1 c 2 = 0 , c 2 c 3 = 0

c 2

c 1 c 2 = 0 , c 2 c 3 = 1

c 1

c 1 c 2 = 1 , c 2 c 3 = 0

c 3

c 1 c 2 = 1 , c 2 c 3 = 1

不变