openssl req

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PKCS#10 certificate request and certificate generating utility

openssl req --help
openssl req -new
openssl req -x509
openssl req -CA


  • openssl req -config root-ca.cnf -key /your_path/private/root-ca_key.pem -new -x509 -days 3650 -sha256 -extensions v3_ca -out /your_path/private/root-ca_cert.pem


Generate a CSR[edit]

Errors:

openssl req -new -key example.org.key -out example.org.csr
Can't open example.org.key for reading, No such file or directory.

Solution: Generate a key. openssl genrsa -aes256 -out ./example.org.key 4096


openssl req -new -key example.org.key -out example.org.csr
unable to load Private Key

Related terms[edit]

See also[edit]

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