Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Key sensitivity analysis. a decrypted image with x 0 be different with 10−14 b decrypted image with u 0 be different with 10−14 c decrypted image with a 1 be different with 10−14 d decrypted image by randomly exchanging two codes in the initial code book
