Applying Digital Signatures

Getting a Certificate

You can get a certificate from a certification authority. No matter if you choose a governmental institution or a private company it is common to be charged for this service, for example when they certify your identity. Few other authorities issue certificates free of costs, like the Open Source Project CAcert which is based on the well-known and reliable Web of Trust model and is of growing popularity.

Managing your Certificates

рдХрд╛рдЧрдЬрд╛рдд рд╣рд╕реНрддрд╛рдХреНрд╖рд░ рдЧрд░реНрджрд╛

  1. Choose File - Digital Signatures - Digital Signatures.

  2. рд╕рдиреНрджреЗрд╢ рдмрд╛рдХрд╕рд▓реЗ рддрдкрд╛рдИрдБрд▓рд╛рдИ рдХрд╛рдЧрдЬрд╛рдд рдмрдЪрдд рдЧрд░реНрди рд╕реБрдЭрд╛рдм рджрд┐рдиреНрдЫ ред рдлрд╛рдЗрд▓ рдмрдЪрдд рдЧрд░реНрди рд╣реЛ рдорд╛ рдХреНрд▓рд┐рдХ рдЧрд░реНрдиреБрд╣реЛрд╕реН ред

  3. After saving, you see the Digital Signatures dialog. Click Add to add a public key to the document.

  4. In the Select Certificate dialog, select your certificate and click OK.

  5. You see again the Digital Signatures dialog, where you can add more certificates if you want. Click OK to add the public key to the saved file.

A signed document shows an iconIcon in the status bar. You can double-click the icon in the status bar to view the certificate.

The result of the signature validation is displayed in the status bar and within the Digital Signature dialog. Several documents and macro signatures can exist inside an ODF document. If there is a problem with one signature, then the validation result of that one signature is assumed for all signatures. That is, if there are ten valid signatures and one invalid signature, then the status bar and the status field in the dialog will flag the signature as invalid.

рдХрд╛рдЧрдЬрд╛рдд рднрд┐рддреНрд░ рдореНрдпрд╛рдХреНрд░реЛрд╣рд░реВ рд╣рд╕реНрддрд╛рдХреНрд╖рд░ рдЧрд░реНрджрд╛

рд╕рд╛рдорд╛рдиреНрдп рд░реБрдкрдорд╛, рдореНрдпрд╛рдХреНрд░реЛрд╣рд░реВ рдХрд╛рдЧрдЬрд╛рддрдХреЛ рднрд╛рдЧ рд╣реЛ ред рдпрджрд┐ рддрдкрд╛рдИрдБрд▓реЗ рдХрд╛рдЧрдЬрд╛рддрдорд╛ рд╣рд╕реНрддрд╛рдХреНрд╖рд░ рдЧрд░реНрдиреБ рднрдпреЛ рднрдиреЗ, рдХрд╛рдЧрдЬрд╛рдд рднрд┐рддреНрд░рдХреЛ рдореНрдпрд╛рдХреНрд░реЛрд╣рд░реВ рд╕реНрд╡рдЪрд╛рд▓рд┐рдд рд░реБрдкрдорд╛ рд╣рд╕реНрддрд╛рдХреНрд╖рд░рд┐рдд рд╣реБрдиреНрдЫрдиреН ред рдпрджрд┐ рддрдкрд╛рдИрдБ рдХрд╛рдЧрдЬрд╛рддрдорд╛ рд╣реИрди, рдореНрдпрд╛рдХреНрд░реЛрдорд╛ рдорд╛рддреНрд░реИ рд╣рд╕реНрддрд╛рдХреНрд╖рд░ рдЧрд░реНрди рдЪрд╛рд╣рдиреБрд╣реБрдиреНрдЫ рднрдиреЗ, рдирд┐рдореНрди рдЕрдиреБрд╕рд╛рд░ рдкреНрд░рдХреНрд░рд┐рдпрд╛ рдЧрд░реНрдиреБрд╣реЛрд╕реН:

  1. рдЙрдкрдХрд░рдг - рдореНрдпрд╛рдХреНрд░реЛ - рдбрд┐рдЬрд┐рдЯрд▓ рд╣рд╕реНрддрд╛рдХреНрд╖рд░ рд░реЛрдЬреНрдиреБрд╣реЛрд╕реН ред

  2. рдХрд╛рдЧрдЬрд╛рддрдХрд╛ рд▓рд╛рдЧрд┐ рддрд▓ рд╡рд░реНрдгрди рдЧрд░реЗрдХреЛ рд╣рд╕реНрддрд╛рдХреНрд╖рд░ рд▓рд╛рдЧреВ рдЧрд░реНрдиреБрд╣реЛрд╕реН ред

When you open the Basic IDE that contains signed macros, you see an iconIcon in the status bar.
You can double-click the icon in the status bar to view the certificate.

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