2048 BIT - minimum supported ssl key standard
SSL Certificates use both asymmetric(RSA 2048bit KEY) and symmetric(256bit) methods to establish a secure communication between the web-site and the web-browser.
Imporant: 1024bit keys are not supported anymore by web-browsers and operating systems, because they are considered weak and insecure.
SSL implements the asymmetric algorism to authenticate the host with a RSA 2048-bit key or 4096-bit size key.
The symmetric method, that has 256bit encryption, mainly is applied for data tranmission, when the bridge is already established.
Since January first, 2014, the 1024-bit public/private keys are considered to be no longer secure, and the SSL Certificates issued subsequently, must use at least a 2048-bit key to secure the communication and data transmission.
Therefore, to defend the Internet security, the cybersecurity industry has moved to the 2048-bit key encryption.
All the certificates with a key less than 2048-bit are exposed to be prejudiced by hackers.
That means CyberSSL.com certificates are trustworthy and secure.
Here are the least of all possible supported encyption SSL algorithms:
|Minimum supported size of SSL Keys||Size Ratio|
|Security (bits)||DSA||RSA||ECC||RSA/DSA to ECC|
RSA 2048-bit certificates are still secure, most widely used and are supported by all certificates authorities.
Nowadays, getting an SSL certificate is becoming mandatory as its popularity is increasing every year. It is one of the best ways to secure your website and protect all the data transferred between your website and the end-user
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