PF Agente De Polícia Federal Practice Questions - Concurso Polícia Federal - Agente De Polícia Federal Exam

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When creating a standard digital signature for an electronic document under the Brazilian Public Key Infrastructure (ICP-Brasil), which cryptographic operations are performed by the sender?

A cryptographic hash of the document is generated and then encrypted using the sender's private key. The entire plaintext document is encrypted using the recipient's public key without computing a hash. A hash of the document is encrypted using the sender's public key so anyone with the private key can read it. A symmetric session key is generated and encrypted using the recipient's private key.

Correct Answer:

A cryptographic hash of the document is generated and then encrypted using the sender's private key.

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