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Strong authentication (mTLS): the certificates

TBS INTERNET offers a wide range of client certificates allowing strong authentication: "classical" or RGS (Référenciel Général de Sécurité) certificates for eè-government processes, you'll find them all below.

But what is strong authentication, or mTLS?

mTLS (mutual Transport Layer Security) is an extension of the TLS protocol that provides mutual authentication between a client and a server, or between two servers. mTLS requires both parties to present and validate a digital certificate. This approach strengthens the security of communications by ensuring that only authorized parties can access services.
Learn more.

client certificates: strong authentication

Name DigiCert Authentification DigiCert Email Premium
buy buy
Price (1 year) £56 £60
eIDAS : Type of signature Advanced Advanced
Vetting points Organization validated - ID validated if required Organization validated - ID validated if required
Designed for strong authentication?
Designed for digital signature?
Designed to sign and encipher email? -
Designed to sign PDF (software required)? - -
Signed-PDF recognized by default in Acrobat Reader ? - -
Number of signature Unlimited Unlimited
Free reissue
Time stamping
  • (3)
    • To be configured. See our FAQ
  • (3)
    • To be configured. See our FAQ
Medium type software software
Average delivery time 2 business days 3 business days
Standards X509v3, ISO27001:2022 X509v3, S/MIME, ISO27001:2022
Money back guarantee 30 days 30 days
Data Sheet
  Quote Quote
(1): To be configured. See our FAQ
(2): Indicative delivery times that can be impacted by occasional disruptions. Consult the up-to-date situation of each supplier.
(3): To be configured. See our FAQ
  • DigiCert Authentication
    • DigiCert Authentication

      from£54/yr
      Designed for strong authentication
      Designed for digital signature
      Unlimited number of signature
      Free reissuance
  • DigiCert Email Premium
    • DigiCert Email Premium

      from£58/yr
      Designed for strong authentication
      Designed for digital signature
      Usable to sign and encipher email
      Unlimited number of signature
      Free reissuance
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Our prices are in GBP VAT-less and order-time payment, see also our general sales terms.


TBS INTERNET
22 rue de Bretagne - 14000 Caen
marianne.bonjour@tbs-internet.co.uk
Tel: +44 330 684 0001