Digital Certificate

Certificate Request and Response

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Certificate Signing Request

In public key infrastructure (PKI) systems, a certificate signing request (also CSR or certification request) is a message sent from an applicant to a certificate authority in order to apply for a digital identity certificate. It usually contains the public key for which the certificate should be issued, identifying information (such as a domain name) and integrity protection (e.g., a digital signature). The most common format for CSRs is the PKCS #10 specification; another is the Signed Public Key and Challenge SPKAC format generated by some web browsers.

Source: Wikipedia

Generate a CSR using OpenSSL

$ sudo apt install openssl [On Debian/Ubuntu]
$ openssl req -new -newkey rsa:2048 -nodes -keyout server.key -out server.csr

Certificate Request File Content

Upload Certificate Signing Request

ca7

X.509 Certificate

X.509 Certificate Formats

Install a Certificate

iis3

TLS/SSL

b_g_secu_0031_T

The-TLS-layers-and-sub-protocols

References

 

 

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