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PKI Resource Query Protocol
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<p>PKI Resource Query Protocol (PRQP) is an <a href="/facts/Internet_protocol/Qq6VeEal">Internet protocol</a> used for obtaining information about services associated with an <a href="/facts/X.509/rs0JuYDd">X.509</a> <a href="/facts/Certificate_authority/WAo8vMTN">Certificate Authority</a>. It is described by <a href="/facts/RFC_(identifier)/esftTvE7">RFC</a> <a href="https://datatracker.ietf.org/doc/html/rfc7030">7030</a> published on October 23, 2013. PRQP aims to improve Interoperability and Usabilities issues among PKIs, helping finding services and data repositories associated with a CA. Messages communicated via PRQP are encoded in <a href="/facts/ASN.1/ryUN7doc">ASN.1</a> and are usually communicated over <a href="/facts/HTTP/TWtvf7JD">HTTP</a>. </p>