CA digital certificate is issued and managed by CA, which can provide an authoritative electronic document for online certification, and people can use it to prove their identity and identify each other in network communication. Similar to the real ID card.
What is a digital certificate CA? What is it used for? It is your personal digital certificate, or your personal ID card on the Internet.
CA digital certificate is the last barrier of your home anti-theft system, just like your home access control system, it can effectively identify every entrant and prevent unauthorized personnel from entering.
I don't know if this is simple enough. I hope you can use it. Wish you all the best.
What is the digital certificate installed by Taobao for? It mainly plays the role of secure login and prevents malicious operation caused by password theft. If you add the u *** -key used to install the digital certificate, it is absolutely safe (but it is not provided for the time being). Unless you lose the key, other hacking methods, including all kinds of virus Trojans, are so powerless. Don't listen to the nonsense of anti-virus software companies. At the same time, it is 100% safe.
What is the digital certificate in Alipay for? Alipay digital certificate is an authentication tool for payment security, which ensures the security of your Alipay and fast payment (bank card). You can use Alipay without a digital certificate, but the payment limit is small.
Digital certificate is to protect the security of your bank account or Alipay account. You can download it from your bank home page! If it is an Alipay digital certificate, download it under the main face of Alipay! After downloading, install it on your personal common (such as home or your personal laptop). Do it.
1 Go to My Alipay page-> Security Center-> Digital Certificate->; Apply for a certificate;
Enter your information according to the prompt. After applying for the certificate, Alipay will ask you if you need a backup.
3 Follow the prompts to back up the certificate to the U disk, so that your Alipay account can be used on other computers, and the system will prompt you to install the digital certificate;
You can export the digital certificate backed up in the USB flash drive and answer the security questions, and then you can apply for Alipay account normally.
What is the certificate for? A certificate is a "license to install software". When you install a certain software, Nokia S60 3rd Edition system will analyze whether the software you want to install has this installation license (certificate), if not, the system will not allow you to install it.
Signing is to bind the certificate you applied for to the installation program that needs to sign the software, so that this installation program can pass the inspection of the third edition of S60. In fact, this is a packaging process.
What is Alipay's digital certificate? Thanks to Alipay's digital certificate.
After the funds are transferred from the bank card to its Alipay account, the funds are transferred from the interest-bearing bank to Alipay without interest. The funds in Alipay can be used to buy goods, can be transferred to another Alipay account, and can be withdrawn into a bank card.
How to ensure the safety of funds in Alipay is one of the most concerned issues for Taobao users. To solve this problem, Taobao launched a free service to ensure the safety of funds-digital certificate.
What is a digital certificate? . . .
In the network world, people face and deal with digital information or data, and they need a digital certificate similar to a key to ensure the security of account use, which is a digital certificate.
Alipay digital certificate is a kind of digital certificate issued by Alipay to enhance the security of Alipay users' accounts through cooperation with authoritative organizations certified by the Ministry of Public Security, the Ministry of Information Industry, the State Cryptography Administration and other institutions, and gives corresponding access rights to network resources according to Alipay users' identities.
Simply put, if you apply for a digital certificate and want to make money calls on your computer, you must install a unique digital certificate. If you don't install a digital certificate, even if you know Alipay's login password and payment password, you can't use the funds in your account. You can only operate on a computer with a digital certificate.
Apply for digital certificate. . . . . . . . . .
Log in to your Alipay, and you can see the application for digital certificate in the security center. Click the fifth installation digital certificate shown in the above picture. If you are hungry, you can apply for a digital certificate. If you don't have a bank digital certificate, you can choose to apply for Alipay digital certificate. Next, fill in the information according to the system prompt, and remember to write down the content in the notebook after filling in the questions. Finally, fill in the address of the certificate, for example, if you use it in a company, that's fine.
Backup of digital certificate. . . . . . . . . . .
After applying for a digital certificate, you must back up the digital certificate to avoid the bad consequences that the digital certificate cannot be used due to system recharge.
1, backup password: write the password in the notebook. If you reinstall the system, the certificate may be lost, and you must find the backed-up digital certificate file. When installing a digital certificate file in a computer, you need to enter the password set at that time, so this password is very important.
2. Confirm whether this machine is allowed to back up again: If yes, you can back up again on this machine, otherwise, you will not be able to back up again on this machine.
Store digital certificates correctly. . . . . . . .
After successfully backing up the digital certificate, a file like this will be generated in the folder you specified. Please keep this file properly. You can build a special Taobao folder in your computer, and put all the certificates and other materials in it for later reinstallation.
What should I do if my digital certificate is lost?
1. Use the mobile phone dynamic password to cancel the certificate: the premise is to apply for opening the mobile phone dynamic password, and you can apply for the cancellation certificate in my Alipay-Security Center-Digital Certificate. There are two ways: one is to cancel the email, and the other is to contact Taobao customer service to cancel. Both methods must provide relevant account registration.
What is the Pdf certificate for? GlobalSign is a professional provider of SSL certificates and code signing certificate, and a certified member of the Adobe Certified Document Service (CDS) program. Therefore, GlobalSign is authorized to issue PDF document signing certificates to individuals or enterprises under the strict policies and standards formulated by Adobe and audited by WebTrust. The certificate holder can prove the true identity of the signer and confirm the signature of the workflow electronic document or electronic contract to the user. By default, it is trusted by Adobe Reader 6.0 or higher, and there is no need to install any plug-ins or third-party software.
Used to verify the reliability of PDF source code, can be used to encrypt PDF.
Pdf reader is a tool for reading and converting Pdf files. You can convert the current page into a picture. The supported formats are: Bmp, Jpg, Png, Tif, Gif, Pcx. You can convert a page into a text file. Support directory function. Support hot links. It has the functions of text selection and query. Able to open Pdf files with password. Can be used to view and print Adobe Portable Document Format (PDF) files. You can view Adobe PDF files created by Adobe Acrobat, Adobe Photoshop Album 2.0 and more on most major operating systems. There is corresponding software to support the conversion to WORD and txt formats.
What is the mobile phone certificate for? Meaning: mobile phone certificate can be understood as: a pass for software.
English name: telephone certificate
The third edition of S60 has greatly improved the security, and has stricter regulations on the installation and execution of third-party software in the system. The operation of some software related to mobile phone software and hardware security/personal information security is particularly restricted (for example, the automatic start of mobile phone startup is one of the restricted functions).
Some software will have functional restrictions after installation, such as incoming calls.
function
Mainly to prevent malicious software. In order to realize these "specially restricted" functions, the application must obtain a "signature". In other words, someone should be responsible for the safety of this operation! Programs without any signatures cannot be installed and executed.
Where should I put the obtained "certificate"?
In fact, certificates are not simply placed in any folder. Certificates are used to sign software that needs to be "signed". Do not use the certificate directly. Certificates are packaged into sis software through a special program. The role of a certificate is only to give the program certain permissions. Don't lose the certificate you got, because a certificate is valid for 6 months and you can sign a lot of software. If the certificate expires, you can apply for a new certificate, or you can adjust the time of the mobile phone before installation. Just adjust the time to the validity period of the certificate.
Usually we download mobile phone software in signed and unsigned versions. For unsigned software, we can apply for a certificate to make software for our machine, make a key file of our mobile phone through the sign tool provided by Saipan, and then write it into the software to be installed, and then this software can only be installed in your mobile phone.
In short, the certificate mechanism is a measure to solve security problems, and its functions are mainly two points: 1. Prove the legitimacy of the software. 2。 Allow the software to start itself.
-Answer my question about E2 in the hospital again.