About Us

About Turing Cryptography


Turing Cryptography is a subsidiary of CrossCert, Inc., a publicly listed company and the only Global Certification Authority in Korea. As the market leader in premium SSL/TLS certificates in Asia Pacific, the company also offers a wide range of cybersecurity and authentication solutions. Together with its affiliated company AIBrain Inc., a leading AI technology company based in Silicon Valley, Turing Cryptography is developing next-generation security solutions powered by Artificial Intelligence.

In collaboration with Wisekey, TuringSign CA is hosted in Geneva, Switzerland. Our security infrastructure applies the strictest Swiss quality standards. The uncompromising standards guarantees every step of the SSL issuance process has passed very strict endurance tests. We are compliant with GDPR and the world’s strictest privacy standards.

TuringSign – Because Trust is Everything

In 2021, Turing Cryptography launched TuringSign digital certificate services, a world class full suite SSL certificate services delivering the best practice, secured and trusted website identity to the global market. By incorporating our highest assurance and warranties, we protect customers’ digital identity with a safe and secure online environment.

Most Trusted

A Truly Intelligent Company

Home-grown Artificial Intelligence is the main source of our innovation in Cybersecurity. We are committed to applying AI in every aspect of SSL/TLS Encryption. Going beyond cost-saving automation, we are building an Intelligent Trust Agent.

Collaboration with World-Class Partners

We adopt AIBrain’s cutting edge AI technology from Silicon Valley. Integrating WISeKey’s unique trust model backed by OISTE* sets us apart from our competitors.

*Swiss based cryptographic Root of Trust

The Most Trusted CA

Surpassing industry standard Trusted Third Party qualifications, our CA center operates from Switzerland, the world’s most socio-economically stable state. Switzerland continuously ranks #1 in Global Trustworthiness Surveys.

Innovating Next Generation AI Powered Security Solutions

Turing Cryptography is associated with AIBrain, a technology start-up based in Palo Alto. By integrating AIBrain’s AI core technology, AICoRE and Memory Graph, into our security solutions, we offer the market with unprecedented AI Security products and solutions that augment Artificial Intelligence into online security.

Explore our other product offerings


Ssl certificat icon.

All-in-One Website Security


Globus domains icon.

ICANN Accredited Registrar


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Trusted Biometric Authentication

AI Security

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AI Security

AI Based Risk & Threat Detection

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    Next Steps

    1. Validate Domain (Authenticate domain depending on which method you choose)

    Check the email that has been sent to you. To confirm the domain ownership rights for your certificate, you need to copy the validation code from the approval email, follow the link in it and paste the validation code into the corresponding field.

    From the email, please click the link to the verification page, Once in the verification page, please enter the code provided in the email for verification.

    That’s it!

    After you have completed verification, a confirmation email will be sent to you. And shortly after, an issue confirmation will be sent to you via email. You can follow the link to the portal to download your newly issued certificate.

    If you have followed the steps above and did not receive an approval email to your mailbox, please click the link to the portal and double check your validation method or contact us for help. 

    Another way of verifying a domain is DNS (TXT record) Verification. If you selected DNS Authentication as your verification method, you will receive a unique TXT record via email consisting of two parts:

    • 1. Name: Name/Host/Alias/TXT: Blank or @
    • 2. Value/Points to/Destination:”wisekey=XXXXXXX”
    • TTL: This is your TTL (Time-To-Live) value. Set it to 3600 or lower.

    Verify by adding a TXT record in your DNS. Please verify and check if you have added the correct record

    Please submit a requestfor support if you face any issues.

    Depending on your DNS provider, You may have to wait for at least an hour for the changes to take effect in the DNS Servers. You will be notified via email when the domain is verified.

    The third method of verifying a domain is HTTP File Upload Verification. After choosing File Authentication as your verification method, you will receive an email and be asked to download a unique verification file (Format: .txt) and upload it to a specific directory on your web server.

    Verify by uploading the attached file fileauth.txt in your web server as follows:

    • 1. Download the text file fileauth.txt (attached with the email).
    • 2. Upload the above file (fileauth.txt) to your host in this EXACT path: http://my-domain.com/.well-known/pki-validation/fileauth.txt

    You may have to wait for at least an hour for the changes to take effect in the validation services. You will be notified via email when the domain is verified.

    Please submit a request for support if you face any issues.

    2. Receive Confirmation (After validation an email will be sent with a link to certificate)

    3. Download certificate and upload to hosting

    Notice: After generating a CSR,
    1. Copy the Private KEY and keep this to yourself for reference.
    2. Copy only the CSR above and use(paste)
    in to request your TS Certificate.
    3. Click the top left button to close.