February 19, 2002
Practical Aspects of Modern Cryptography
16
Secret Sharing
n
More complex
access structures
…
n
n
I want to share secret value
z
amongst Alice,
Bob, and Carol such that any two of the three
can reconstruct
z
.
n
n
S
= (A
Ù
B)
Ú
(A
Ù
C)
Ú
(B
Ù
C)