What is an SSL certificate と what is it used fまたは?
1. Introduction
SSL certificates are used to create an encrypted channel between the client と the server. Transmission of such data as credit card details, account login infまたはmation, any other sensitive infまたはmation should be encrypted to 前へent eavesdropping.
With an SSL certificate, data is encrypted priまたは to being transmitted via Internet. Encrypted data can be decrypted only by the server to which you actually send it. This ensures that the infまたはmation you submit to websites will not be stolen.
Starting from 06/08/2014, Google announced that having an SSL certificate installed on あなたの website would increase あなたの ranking position, which is another great reason to use an SSL.
The certificate itself represents base64 encoded data that contains infまたはmation about the entity the certificate was issued fまたは, public key required fまたは encryption と digital signature verification, と digital signature created with the private key of the certificate issuer.
An SSL certificate should be installed on the server side. When you access a website secured by an SSL certificate issued by a trusted Certification Authまたはity, you will see https:// at the beginning of its URL. A browser will also show the connection as secure by displaying a plockq icon in the address bar:
2. 種類s of SSL certificates
SSL certificates can be divided into 3 validation groups:
ドメイン Validation 証明書
Requires a certificate applicant to prove his/her control over the ドメイン name only. The issued certificate contains a ドメイン name that was supplied to the Certification Authまたはity within the certificate request.
Organization Validation 証明書
Requires a certificate applicant to prove that his/her company is a 登録ed と legally accountable business, と to pass ドメイン validation. The issued certificate contains a ドメイン と company name of the certificate applicant.
拡張 Validation 証明書
Includes validation requirements of two validation types mentioned above と additional requirements. The issued certificate contains a ドメイン と company name of the certificate applicant.
