XolidoSign

XolidoSign is an application that allows applying electronic signatures and time stamps to digital documents using electronic certificates or the DNIe. The technology verifies the authenticity and integrity of files such as PDFs, images, videos, or CAD files, ensuring the authorship and exact moment of the signature or document creation. It includes custody functions, certified notifications, and secure access to documents for corporate workflows, with cloud or on-premise deployment options.

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• Signature with Electronic Certificate. The application allows signing documents using recognized electronic certificates, including the DNIe. This process links the signer's identity to the document, ensuring its authorship and the integrity of the content. The signature complies with current legal standards.
• Recognized Time Stamping. This function attaches an official time stamp to a document, demonstrating its existence and integrity at a specific moment. This procedure can be carried out independently, without the need for an electronic certificate. The stamp is obtained from an authorized time server.
• Biometric Signature. It makes it possible to capture and record a person's handwritten signature on a device, combining this biometric trace with an electronic certificate. This action creates unique evidence associating the signer's physical gesture with their digital identity.
• Intelligent Verification. The system automatically analyzes documents, signatures, and time stamps to determine their validity and status. It performs integrity checks, signature certificate verification, certification authority checks, and revocation list checks. It presents a detailed report of the verification result.
• Document Custody and Longevity. Provides services for the long-term storage of signed documents, maintaining their legal validity over time. It includes mechanisms to update formats and time stamps as technological and cryptographic standards evolve.
• Certified Notifications and Communications. Replaces burofaxes and certified letters by sending electronic communications with proof of receipt. It generates electronic evidence of delivery and receipt by the recipient, valid in the administrative field.
• Certified Delivery and Secure Access. Controls access to documents and confidential information, allowing you to decide who can view them and for how long. Access can be restricted via electronic certificate, decoupled PIN, or unique link, and can be revoked at any time.
• Online Signature for Signers. Functionality that allows a signer to complete a signing process through a web link, without needing to install software. The signer can authenticate and apply their electronic signature directly from the browser.
• Multi-format Support. The technology processes and applies signatures to a wide variety of file formats, including PDFs, office documents, images, audio and video files, AutoCAD drawings, databases, and compressed files.
• Integration via API. Offers application programming interfaces that allow incorporating signing, verification, notification, and authentication capabilities into existing corporate systems. Available in SaaS and On-Premise modes for environments with specific control and security requirements.
• Authentication with OTP and Mobile PIN. Incorporates authentication methods for signing processes that do not require a personal electronic certificate, using one-time passwords or PIN codes sent to the signer's mobile phone.
• Workflow Management. Facilitates the definition and automation of sequential or multi-party signing processes, with notifications to signers and centralized custody of finalized documents. Applies to contracts, internal approvals, and administrative procedures.
• CSV Signature for the Public Sector. Implements a specific type of signature based on CSV files, designed to meet the particular requirements and regulations of the public sector in certain administrative procedures.

XolidoSign was developed by the company Xolido. The XolidoSign Desktop program was released as a free application. The core technology is built using programming languages such as Java and C++, aimed at ensuring portability across operating systems and robust performance in cryptographic operations.

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