Certificate basics

A certificate contains the public half of your public-private key pair along with other identifying information about your community and point of contact. You use the public key in your partner's certificate to encrypt a document for transmission over the Internet. Your partner uses the public key in your certificate to verify the digital signature of a document received from you.

The following is some basic information about how Interchange uses certificates:

  • A community must have a certificate to exchange secure documents. Interchange can generate the certificate or it can be generated externally.
  • Each partner also must have a certificate.
  • A community or partner can have only one certificate designated as the default encryption or signing certificate.
  • A community or partner can have multiple certificates.
  • The key length for a community certificate does not have to be the same as for a partner’s certificate.

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