What is the use of the signature of the producer of fertility canvas information?

1, anti-impersonation, others can't forge the author's own signature to prove the author's own creation.

2, tamper-proof, the signature and the original canvas form a mixed whole data, which cannot be tampered with, thus ensuring the integrity of the data.

3. Anti-replay. If technologies such as adding serial number and timestamp to the signature message are adopted, replay attacks can be prevented.

Can the project manager sign and seal?

The English name of WeChat of senior minority no longer collides with cherry.

What is an entrepreneurial project?

Do you have someone you like but will never pursue?

Poems describing high temperature and heat

How did Yuan Tiangang and Liu Bowen, two people who let the cat out of the bag, end up?

Iger's classic sad sentence

The draw for the top 8 of the Champions League (a showdown between giants, a strong collision)

What articles praise spring?

In the "2012 New Year Party" of Class 9 (3), there was a lottery game. The rules are as follows: There are 4 cards with Pleasant Goat heads on the back and 2 on the front.