1PKEYPARAM(1)                        OpenSSL                       PKEYPARAM(1)
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NAME

6       pkeyparam - public key algorithm parameter processing tool
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SYNOPSIS

9       openssl pkeyparam [-in filename] [-out filename] [-text] [-noout]
10       [-engine id]
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DESCRIPTION

13       The pkey command processes public or private keys. They can be
14       converted between various forms and their components printed out.
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COMMAND OPTIONS

17       -in filename
18           This specifies the input filename to read parameters from or
19           standard input if this option is not specified.
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21       -out filename
22           This specifies the output filename to write parameters to or
23           standard output if this option is not specified.
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25       -text
26           prints out the parameters in plain text in addition to the encoded
27           version.
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29       -noout
30           do not output the encoded version of the parameters.
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32       -engine id
33           specifying an engine (by its unique id string) will cause pkeyparam
34           to attempt to obtain a functional reference to the specified
35           engine, thus initialising it if needed. The engine will then be set
36           as the default for all available algorithms.
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EXAMPLE

39       Print out text version of parameters:
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41        openssl pkeyparam -in param.pem -text
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NOTES

44       There are no -inform or -outform options for this command because only
45       PEM format is supported because the key type is determined by the PEM
46       headers.
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SEE ALSO

49       genpkey(1), rsa(1), pkcs8(1), dsa(1), genrsa(1), gendsa(1)
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531.0.2k                            2017-01-26                      PKEYPARAM(1)