Skip to content

OpenSSL Certificates#

Self-signed Certificate#

openssl req -x509 -key rsa_key.pem -in mycsr.csr -out mycert.pem -days 365

Or directly:

openssl req -x509 -newkey rsa:2048 -keyout rsa_key.pem -out mycert.pem -days 365

View Certificate Details#

openssl x509 -in mycert.pem -text -noout

Verify Key and Certificate#

openssl x509 -noout -modulus -in mycert.pem | openssl md5
openssl rsa -noout -modulus -in rsa_key.pem | openssl md5

See Also#

👉 CSR
👉 Overview