ICPBrasil
ICP-Brasil, or Infraestrutura de Chaves Públicas Brasileira, is the Brazilian Public Key Infrastructure (PKI) that provides digital certificates for authentication, digital signatures, and encryption of electronic documents and online services. It is administered by the Instituto Nacional de Tecnologia da Informação (ITI), a government body, and relies on a hierarchical chain of trust consisting of a root authority and subordinate authorities.
Established to enable secure electronic transactions, ICP-Brasil implements the Brazilian standards for digital signatures and other
Digital certificates issued under ICP-Brasil include e-CPF for individuals and e-CNPJ for companies. They are used
Operationally, ICP-Brasil is based on a network of Accredited Certification Authorities that issue certificates under a