man openssl req

OpenSSL is a cryptography toolkit implementing the Transport Layer Security (TLS v1) network protocol, as well as related cryptography standards.. Tuesday April 17th, 2018 at 08:03 PM. You request the certificate the CA determines the length the certificate will be valid. openssl req -new -newkey rsa:2048 -nodes -out request.csr -keyout private.key Similar to the previous command to generate a self-signed certificate, this command generates a CSR. openssl genrsa -out bookstyle.key 2048 openssl req -new -key bookstyle.key -out bookstyle.csr -config bookstyle.cnf. Corrected JD says: Reply. Running this command provides you with the following output: verify OK Certificate Request… Convert a certificate to a certificate request: openssl x509 -x509toreq -in cert.pem -out req.pem -signkey key.pem Convert a certificate request into a self signed certificate using extensions for a CA: openssl x509 -req -in careq.pem -extfile openssl.cnf -extensions v3_ca \ -signkey key.pem … Check man req for more information. DESCRIPTION. Sign a certificate request: openssl ca -in req.pem -out newcert.pem Sign a certificate request, using CA extensions: openssl ca -in req.pem -extensions v3_ca -out newcert.pem Generate a CRL openssl ca -gencrl -out crl.pem Sign several requests: openssl ca -infiles req1.pem req2.pem req3.pem Certify a Netscape SPKAC: openssl ca -spkac spkac.txt The validity period is set on the CA under the configuration of the certificate template. As of OpenSSL 1.1.1, providing subjectAltName directly on command line becomes much easier, with the introduction of the -addext flag to openssl req (via this commit).. The openssl program is a command line tool for using the various cryptography functions of OpenSSL's crypto library from the shell. This can also be done in one step. The -noout switch omits the output of the encoded version of the CSR. I expect something like this, but I cannot find it anywhere in the docs. OpenSSL also has an active GitHub repository with examples too. $ openssl asn1parse

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