OpenTrust SPI


SPITrust – Enterprise eSignature Solution

Non-Repudiation Digital Signature/eSignature and Proof Infrastructure for on-Prime / Private cloud (Azure/AWS or Vendor Specific) 

Our Digital Signature Solution (SPITrust) could be tailor-made and personalized when you deploy our SPITrust on-premises solution. You can take complete control of your online signing process including all details. We are here to help you out to digitize and make you completely paperless.

SPITrust product suite targets all organizations seeking to secure paperless transactions. It provides an industrialized infrastructure with a web-based platform for rapidly implementing and integrating electronic / digital signatures into business processes and managing legally recognized elements of proof.

SPITrust is a highly secure “off-the-shelf” suite and is an enterprise software that provides all functionality necessary to:

Create and Validate digital signatures/eSign
Generate legally recognized elements of proof
Sign non-PDF documents 
Sign & Verify PDF documents
Timestamp PDF documents
Token based Signing
Delegate Functionalities
LDAP, OAuth 2.0, OTP, x509 based Authentications
UAE PASS Authentication 


Keep your workflow running smoothly. SPITrust has the variety of workflows, which fits the organization goals & processes.

Single Signer Workflow (Sign by yourself)

Multiple Signers workflow (Sign with Others)

Bulk Signature Workflow

Sequential and Parallel workflows

Delegation workflow

Sign the document by using OTP Authentication

“Add your own workflow.” SPITrust is plugin-based architecture and it supports adding customized/personalized workflows without disturbing existing workflows based on customer needs.


  • Out of the Box UAEPASS Integration

​Just enter a few technical information in Admin Console “UAEPASS Plugin” and get integrated with UAEPASS instantly.

UAEPASS Integration


  • OAuth 2.0 Plugin

Now Integrate Google, Facebook, Yahoo, Twitter or Any OAuth 2.0 supportable application to your SPITrust with just a few clicks.

OAuth 2.0 Plugin

  • Out of the Box LDAP Integration

You are now ready to enable the LDAP service in SPITrust to streamline the user login process and to automate administrative tasks such as creating users and assigning them roles etc.

LDAP Integration


Strong Security mechanisms inbuilt 
Easy compliance with your certification requirements
X.509 v3 Digital Signatures, Inbuilt CA for OTF (On the fly certificate) 
PDF Signature format (ISO 32000-1, PAdES Basic/Enhanced/Long Term)
Generating signed timestamps with RFC 3161 TSP Specification

Multiple Signer Profiles
Confidentiality, Integrity, and Authenticity
Sign by an individual or a group
Long Term Validation
Proof Elements for legal purpose
Standard built-in connectors for other trusted services

  • Certification Authorities
  • Time Stamping Authorities
  • HSM Signing Key
  • Active Directory / LDAP
  • SMS Gateway
  • Time based OTP

Audit Trails


Easy and User-friendly
Reduced Processing Time
Reduced Operational Cost
Use anywhere, anytime and on any device
Streamline document-signing process
Data stored in-site customer environments

Deploy “As you Want”

SPITrust is one of the few digital signature solutions in the market that understands the requirements of large enterprises and also of regulated organizations.

Because we believe that Digital Signature Solution should integrate seamlessly into customers' existing IT infrastructures and be able to evolve in cycle with the changing needs of the enterprise, we take a “deploy as you want” approach for the deployment.

That is why we have the most flexible APIs in the digital signature industry and as a result our customer service team outperforms our competitors in deployments. SPITrust makes it simple to Digitally Sign your way, whether you're looking for on-premise, Private Cloud, or a hybrid model.


Paperless Operations

SPITrust perfectly comply with organizations’ GOAL of paperless operations by performing digital signatures/eSign on the PDF documents within the frameworks of organizations’ systems and procedures.

Assurance level

It provides confidentiality, integrity and authenticity:

  • Confidentiality – Digital Signature/eSign creation data is used under a control environment.
  • Integrity – the document is/was not manipulated after the digital signing process.
  • Authenticity – the document is signed by the claimed identity

Uniquely connected to the signatory

Capable of identifying the signatory

It is secure and trusted


  • Digital certificate: X509 v3 (revocation by CRL or OCSP)
  • Signature format: XAdES, PDF (ISO 32000-1, PAdES Basic/Enhanced/Long Term), PKCS#7/CMS, RFC3161 TSP Specifications
  • Hash algorithms: SHA1, SHA-256, and SHA-512
  • Signature algorithm: RSA
  • Key length: 1024 - 4096 bytes

Legally Recognized

Documents like memos, contracts, purchase orders, etc. are legal instruments for organizations. SPITrust provides legally recognized element of proof, which legally binds the documents and is admissible as evidence in the court of law. The legality of electronic/digital signatures are governed based on jurisdiction.

  UAE Law: Federal Law No.1 of 2006
  US SEAL (1998), UETA (1999), ESIGN (2001)
  European Directive 1999/93/CE, December 1999
  German Act on Digital Signature 2001, Signature Ordonnance 2001
  Croatia (Act on Digital Signature, NN 10/02, 80/08, 30/14)
  French Loi n° 2000-230 Mars 2000, Décret n°2001-272 Mars 2001

  G20 countries have enacted legislation that recognizes digital signatures (or electronic signatures) as equivalent to hand-written signatures.

Signer Profile

  • Server seal – This means that the certificate is issued in the name of a legal entity and not in the name of an end-user / individual. Using PKCS#12 or HSM Signing Key
  • On-the-fly certificates – end user signature with on-the-fly certificate following X.509 standard. Using OpenTrust PKI /rTrust-PKI

Sign by Individual or group

  • Self-Sign – Signer uploads and Signs the document (Sign by yourself)
  • Initiator-Signer – Initiator uploads and requests Signer to Sign. (Sign with Others)
  • Initiator-Group (n of n) – Initiator uploads and requests all the members of the group to sign.
  • Initiator-Group (1 of n) – Initiator uploads and requests one member of the group to sign.
  • Bulk-Signer – Initiator uploads and requests Signers to sign individually.

Built-in Connectors

Standard built-in connectors for automated exchanges with other trusted third-party services such as:

  • Certification Authorities – Vendor Independent
  • Time Stamping Authorities – Internal or External
  • HSM for Signing Keys – nCipher nShield, Thales Luna, Utimaco CryptoServer
  • SMS Gateway – Vendor Independent
  • Time based OTP – Google Authenticator (default)

SPITrust use digital certificates and PKI (Public Key Infrastructure) to help your global business meet region-specific requirements, such as those found in the European Union, as well as the requirements of regulated industries around the world, including Financial, Aviation, Healthcare, Government, and Energy and Utilities.

Thanks to the PKI based eSignature, standard being accepted so widely, one infrastructure can be used extensively across the IT of the enterprise reducing the global TCO and enhancing the ROI.

By partnering with leaders in PKI and Digital Signature, RNTrust, a global system integrator can help you successfully deploy SPITRUST in your environment and lift the FUD around this technology.

Digital Signature/eSign - Success Stories

  • KIBSTrust SignPlus Digitally transform your business with SignPlus eSignature solutions.
  • - Implemented SPITrust – eSignature Platform  to help them achieve the goal of providing unbeatable customer service.

SPITrust ORCA - The Secured all-in-one solution for Offline Root CA

SPITrust ORCA solves the common challenges of the Offline Root CA: the Hardware, the Software,the HSM, the Backup storage and the Integration of those four elements.

With SPITrust ORCA you don’t have to spend valuable time integrating bits and bytes in a functional solution. RNTrust has built SPITrust ORCA as an off-the-shelf turnkey solution.




FREE WEBINAR on “eSignature Platform” – The key to your digital signature (Meeting compliance, IT Security and local regulations guidelines)

  • 1 Hour Free Webinar
  • SCHEDULE: Every Monday
  • TIME: 11:00AM (GST)
  • **Sessions will be conducted through Microsoft Teams
  • Brochure Link



RNTrust - Free Webinar SPITrust


FREE WEBINAR on “SPITrust Coopera” - the Digital Signature and Business Process Management Solution

  • 1 Hour Free Webinar
  • SCHEDULE: Every Wednesday
  • TIME: 03:00PM (GST)
  • **Sessions will be conducted through Microsoft Teams
  • Brochure Link






For further information, please contact us at, call +800-RNTrust (7687878) or whatsapp +97144465180.