Questions tagged [der]

DER stands for Distinguished Encoding Rules.

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OpenSSL encrypt DER format private key

When converting a password-protected PEM/PKCS1-encoded private key to DER format one is not able to encrypt the key, OpenSSL automagically asks for the password and writes the plain-text key in the ...
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How to add subject alternative name when converting PEM certificate to DER format?

Is it possible to add a subject alternative name when converting PEM certificate to DER format. openssl x509 -outform der -in Certificate.pem -out Certificate.der -extensions SAN -subject-alternative-...
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How do I verify that an ssh public/private keypair go together, is it different for openssl and ssh-key generated keys?

Generating a Private Key... $ openssl genrsa -out ./oci_api_key.pem 2048 Generate a Public Key...from the private key: I'm trying to generate a public key from a private key in PEM format (the ...