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Digital Signatures Are Key to E-Mail Security

 
 

Building the Infrastructure

Most organizations use a PKI (public key infrastructure) for their digital signatures and the certificates that embody the signatures. A PKI implementation includes:

» a certificate authority (CA), a third party that manages the storage, deployment and signing of certificates

» one or more registration authorities (RA) delegated by the CA to validate individual groups or users being issued a certificate

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