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pkeyparam − public key algorithm parameter processing tool |
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openssl pkeyparam [−in filename] [−out filename] [−text] [−noout] [−engine id] |
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The pkey command processes public or private keys. They can be converted between various forms and their components printed out. |
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−in filename |
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This specifies the input filename to read parameters from or standard input if this option is not specified. |
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−out filename |
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This specifies the output filename to write parameters to or standard output if this option is not specified. |
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−text |
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prints out the parameters in plain text in addition to the encoded version. |
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−noout |
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do not output the encoded version of the parameters. |
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−engine id |
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specifying an engine (by its unique id string) will cause pkeyparam to attempt to obtain a functional reference to the specified engine, thus initialising it if needed. The engine will then be set as the default for all available algorithms. |
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Print out text version of parameters: openssl pkeyparam −in param.pem −text |
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There are no −inform or −outform options for this command because only PEM format is supported because the key type is determined by the PEM headers. |
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genpkey(1), rsa(1), pkcs8(1), dsa(1), genrsa(1), gendsa(1) |