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MeSign Digital Signature and Encrypting Solutions

There is no doubt that PKI technology (Public Key Infrastructure) is the only reliable technology to guarantee the security of the Internet, which completely solves the four headache data security issues (PAIN): (1) the confidentiality of data (Privacy); (2) the identity authenticity of the data producer and user (Authentication); (3) data integrity (Integration); (4) non-repudiation of data generation and usage behavior (Non-repudiation). The important application of PKI technology is the application of digital certificate, but it is undeniable that how to use digital certificate easily is also a headache.

MeSign Technology deeply understands the PAIN of users, as we inherit our parent company’s CA gene and security gene, we thoroughly make it possible on certificate application automation, certificate signing and encrypting automation. Email encryption and document e-signature are the most important and most popular applications on the Internet, we perfectly make the data encryption and digital signature zero threshold and zero-touch, and thoroughly make the highly complex PKI cryptographic technology to be easy to use. With our solutions, users do not need to learn and do not need to be trained on what is a digital certificate, how to apply digital certificate from a CA, and how to use the certificate for signing and encrypting. Our solutions make the digital signature and encryption as simple as possible, so that users only need to focus on using software to serve their own business.

MeSign Technology comprehensively adopts digital signature and encryption technologies to realize full-automatic email encryption and digital signature, full-automatic Document D-signature and encryption, and full-automatic Contract E-signature, to help users around the world to fully realize the trusted paperless for business management. Users are welcome to choose the appropriate solution according to their business needs.

Trusted Paperless Application Solution for Eight Industries

At present, all walks of life are realizing comprehensive paperless management, and the two important applications of paperless applications are email-based paperless communication and e-document-based paperless management, and corresponding mobile office communication and management. Whether it is an email or an e-document, there are security issues in cleartext transmission, cleartext storage, and proof of identity. Therefore, to achieve truly secure and reliable paperless management, these security issues must be solved.

MeSign digital signature and encryption solutions for email and e-documents provide a complete solution which perfectly overcome the two major security issues on trust and security that exist in all industries in the paperless transformation process. MeSign Technology has proposed specific solutions for the typical eight major industries, which can effectively help users in these industries to smoothly implement the comprehensive paperless business process transformation and it perfectly achieves a secure email-based trusted paperless communication and mobile office, and also achieves a secure e-document-based paperless management and mobile management.

Trusted Paperless Application Solution for Real Estate

1.Email encryption and digital signature automation solution

Real estate companies have a large number of emails need to be processed every day. These emails almost involve many confidential information of clients and partners, but they are all cleartext emails, which are very easy to be illegally stolen and tampered with. This is an email security problem that must be resolved as soon as possible.

To ensure the security and confidentiality of the email, the content of the email itself must be encrypted. To ensure the credibility of the email without being counterfeited, every outgoing email must be digitally signed. To ensure the time of the sent email is credible, every outgoing email must be timestamped.

Real estate companies simply change the current email client to MeSign APP to achieve full encryption, end-to-end encryption and fully automatic encryption, as well as fully automatic digital signature and timestamp. If Real estate companies think it is not practical to change their email client, then they can deploy MeSign Mail Gateway to encrypt every outgoing email without changing email client.

And we recommend that real estate companies can deploy their own cryptographic key management system (KM) to fully control their encryption keys to meet the high security requirements of email security.

Using MeSign for end-to-end email encryption will enable real estate companies to truly implement mobile working, which not only meets the urgent needs of mobile working, but also meets the high security requirements for email.

As shown in the following diagram on the left, in order to ensure that the encryption key is highly secure and controllable, real estate companies only needs to connect the plug-and-play KM device to the intranet. All staff’s computers and mobile devices must be able to connect to KM device to get the encrypting certificate private key. After successfully obtaining the encrypting certificate, the email encryption can be used normally. KM devices cannot access the Internet and are limited to employee computers and mobile devices access in intranet to ensure the device and private key security. Real estate companies can also build their own CA to issue certificate for its users instead of using the MeSign default CA. MeSign provide a plug-and-play CA device that just need to connect to internal network, MeSign APP will get the signing certificate and encryption certificate from this in-house CA system, not from MeSign default CA.

In other words, MeSign encryption solution allows real estate companies to achieve complete and autonomous control of confidential emails by simply managing and controlling the encryption key and/or issue the certificate by itself even the application environment is untrustworthy.

2.E-document signing and encryption automation solution

Real estate companies have a large number of paper documents and forms to process every day, such as purchase contracts, rental contracts, brokerage agents, property management, procurement contracts, and the internal documents signing. They have begun to shift to paperless, but the problem is how to ensure that these electronic documents are really issued by real estate company, have not been impersonated or tampered . At present, the only feasible technical solution is to digitally sign all real estate document in PDF with timestamp and send them to users using encryption.

MeSign not only has digital signature automation solution that can help the PDF documents generated by the internal real estate systems to achieve a trusted digital signature with one click, but also has email signature and encryption automation solution to help the real estate systems to send the signed PDF document by encrypted email to users, and completely make the electronic files with reliable digital signature without counterfeiting and make the delivery of electronic files more secure.

As shown in the above diagram on the right, the user handles the real estate businesses on the real estate company system and fills in forms online. After completing the forms, the user can sign by hand on the business system or use the corporate USB Key certificate to submit to the real estate management system. After processing is completed, the insurance system calls the cloud MeSign eSigning Service system or locally calls the MeSign e-Signature System to sign the PDF file with Adobe trusted certificate. For services that do not require the user to fill in the form (such as proof of property, statement, announcement or notice), the PDF file generated on the real estate system can be directly called the MeSign eSigning Service to complete the PDF signature.

It is recommended to encrypt all important real estate documents. System just need to call MeSign public key certificate database (CerDB) to obtain the user's encryption certificate to encrypt the PDF file, the user can seamlessly view the encrypted PDF file using Adobe Reader. The real estate system sends encrypted emails to users using the user's encryption certificate, ensuring the secure and reliable delivery of various user confidential documents. Users only need to use MeSign APP to decrypt and read the documents.

This solution has four advantages to ensure that all important real estate documents are trusted paperless and encrypted in delivery:

  1. From the user's online application to the delivery of document, the whole process is trusted paperless and are automatically encrypted in delivery. All documents have digital signatures to prove the true identity of the issuer of the document, preventing the real estate documents from being counterfeited.
  2. Not only the real estate documents sent to users have Adobe global trusted digital signatures to prove their identity, but also the real estate documents can be encrypted with user certificate, and only designated users can open and read it.
  3. This solution not only provide PDF file signing and encryption, but also it provides the function to deliver encrypted email to ensure that the PDF file will not be easily stolen and tampered with during the delivery process.
  4. All signed PDF files can be stored in encrypted archives, and all files are time stamped to ensure that once all files are signed and archived, no one can modify this file. Otherwise, the signature and time stamp information will be invalidated, effectively ensuring the long-term security and credibility of the document. The timestamp signature is very useful for subsequent file inspections and audits and can ensure that the document signing event and the signing time is authentic and undeniable and cannot be tampered with.

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