jarsigner
The jarsigner tool has two purposes, to verify the signatures and integrity of signed JAR files and to sign Java Archive (JAR) files. A digital signature is a string of bits that is computed from some data (the data being signed) and the private key of an entity (a person, company, and so on). Similar to a handwritten signature, a digital signature has many useful characteristics, its authenticity can be verified by a computation that uses the public key corresponding to the private key used to generate the signature, it is a function of the data signed and thus cannot be claimed to be the signature for other data as well, the signed data cannot be changed. If the data is changed, then the signature cannot be verified as authentic and It cannot be forged, assuming the private key is kept secret.
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swipesign
swipesign is an eSignature platform for businesses that need to send, sign, and manage documents digitally. Teams can send documents for signature in seconds, track signing status in real time, and store signed documents securely. The platform is fully compliant with eIDAS and major eSignature regulations, making it suitable for legal, HR, finance, and enterprise use cases. swipesign supports multi-party signing workflows, audit trails, and integrates into existing business processes. There is no free version or free trial — it is a paid SaaS product with subscription plans for teams and enterprises.
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Goodflag
Goodflag is an electronic signature and digital trust platform designed to enable organizations to sign, validate, and secure documents in full compliance with strict legal and regulatory standards, particularly under the European eIDAS framework. It provides a complete solution for managing digital signatures, including simple, advanced, and qualified signature levels, allowing users to choose the appropriate level of security depending on the legal and financial importance of each document. It supports document signing, multi-party approvals, real-time tracking of signature progress, and secure storage, while also offering electronic sealing to guarantee document origin and integrity and prevent tampering. Goodflag integrates with business systems through APIs and connectors, enabling organizations to embed signature workflows directly into their existing applications and automate document processes end-to-end.
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Sign.Plus
Sign.Plus is a legally-binding electronic signature solution, designed to make workflows faster for businesses of all sizes, from large enterprises to SMEs and even individuals.
Sign.Plus Features:
• Fill, sign, and send PDF documents, contracts, leases, NDAs, agreements, and more.
• Extremely easy-to-use eSignature solution available on multiple platforms, including web, mobile, Google Workspace, and more.
• Monitor the progress of your signature requests in real-time.
• Reusable templates to send out frequent documents to different recipients.
• Certificate of completion that contains a tamper-proof audit report with details about the signers.
• Set up a team and add your employees to your team.
• Compliant with electronic signature regulations such as ESIGN, eIDAS, ZertES, and more.
• Compliant with the world’s strictest data regulations such as ISO 27001, SOC2 Type 2.
• Data encryption in transit and at rest.
• Data residency
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