Answer:
Digital Signature
Explanation:
Digital Signatures are used in electronic messages to verify the sender's ıdentity. It is a online signature and highly secure way of proving identity.
The Signature is <em>encrypted</em> and can be decoded using <em>public-key</em> .
Digital signatures are certificated uniquely from accredited providers, encrypted and can be validated by certificate authorities.
Messages with digital signatures prove that the message sent by the owner of the signature and didn't changed on the way.
Answer:
* explains the whole paragraph what ever that is * there
a fundamental domain or fundamental region is a subset of the space which contains exactly one point from each of these orbits . It serves as a geometric realisation for the abstract set of representatives of the orbits . There are many ways to choose a fundamental domain .
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