February 19, 2002
Practical Aspects of Modern Cryptography
35
Secret Sharing Homomorphisms
nAND
n
nSecret:  a  –  Shares:  a1, a2, …, an
nSecret:  b  –  Shares:  b1, b2, …, bn
n
nSecret sum:  a+b
nShare sums:  a1+b1, a2+b2, …, an+bn