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  2. Public key fingerprint - Wikipedia

    en.wikipedia.org/wiki/Public_key_fingerprint

    This use of certificates eliminates the need for manual fingerprint verification between users. In systems such as PGP or Groove , fingerprints can be used for either of the above approaches: they can be used to authenticate keys belonging to other users, or keys belonging to certificate-issuing authorities.

  3. Certificate signing request - Wikipedia

    en.wikipedia.org/wiki/Certificate_signing_request

    In public key infrastructure (PKI) systems, a certificate signing request (CSR or certification request) is a message sent from an applicant to a certificate authority of the public key infrastructure (PKI) in order to apply for a digital identity certificate. The CSR usually contains the public key for which the certificate should be issued ...

  4. X.509 - Wikipedia

    en.wikipedia.org/wiki/X.509

    In the X.509 system, there are two types of certificates. The first is a CA certificate. The second is an end-entity certificate. A CA certificate can issue other certificates. The top level, self-signed CA certificate is sometimes called the Root CA certificate. Other CA certificates are called intermediate CA or subordinate CA certificates.

  5. Key signing party - Wikipedia

    en.wikipedia.org/wiki/Key_signing_party

    In public-key cryptography, a key signing party is an event at which people present their public keys to others in person, who, if they are confident the key actually belongs to the person who claims it, digitally sign the certificate containing that public key and the person's name, etc. [1] Key signing parties are common within the PGP and ...

  6. Certificate authority - Wikipedia

    en.wikipedia.org/wiki/Certificate_authority

    The certificate is also a confirmation or validation by the CA that the public key contained in the certificate belongs to the person, organization, server or other entity noted in the certificate. A CA's obligation in such schemes is to verify an applicant's credentials, so that users and relying parties can trust the information in the issued ...

  7. Public key certificate - Wikipedia

    en.wikipedia.org/wiki/Public_key_certificate

    In cryptography, a public key certificate, also known as a digital certificate or identity certificate, is an electronic document used to prove the validity of a public key. [ 1 ] [ 2 ] The certificate includes the public key and information about it, information about the identity of its owner (called the subject), and the digital signature of ...

  8. Trust on first use - Wikipedia

    en.wikipedia.org/wiki/Trust_on_first_use

    In the SSH protocol, most client software (though not all [2]) will, upon connecting to a not-yet-trusted server, display the server's public key fingerprint, and prompt the user to verify they have indeed authenticated it using an authenticated channel. The client will then record the trust relationship into its trust database.

  9. PKCS 7 - Wikipedia

    en.wikipedia.org/wiki/PKCS_7

    Contains the newly-signed certificate, and the CA's own cert..p7s - Digital Signature. May contain the original signed file or message. Used in S/MIME for email signing. Defined in RFC 2311..p7m - Message (SignedData, EnvelopedData) e.g. encrypted ("enveloped") file, message or MIME email letter. Defined in RFC 2311.