ubuntu安装openssh(跟老韩学UbuntuServer2204-openssl-pkey帮助手册)

ubuntu安装openssh(跟老韩学UbuntuServer2204-openssl-pkey帮助手册)(1)

老韩Linux SRE

hanyw@hanyw:~$ man openssl-pkey |grep -Ev "^$" OpenSSL-PKEY(1SSL) OpenSSL OPENSSL-PKEY(1SSL) NAME openssl-pkey - public or private key processing command SYNOPSIS openssl pkey [-help] [-engine id] [-provider name] [-provider-path path] [-propquery propq] [-check] [-pubcheck] [-in filename|uri] [-inform DER|PEM|P12|ENGINE] [-passin arg] [-pubin] [-out filename] [-outform DER|PEM] [-cipher] [-passout arg] [-traditional] [-pubout] [-noout] [-text] [-text_pub] [-ec_conv_form arg] [-ec_param_enc arg] DESCRIPTION This command processes public or private keys. They can be converted between various forms and their components printed. OPTIONS General options -help Print out a usage message. -engine id See "Engine Options" in openssl(1). This option is deprecated. -provider name -provider-path path -propquery propq See "Provider Options" in openssl(1), provider(7), and property(7). -check This option checks the consistency of a key pair for both public and private components. -pubcheck This option checks the correctness of either a public key or the public component of a key pair. Input options -in filename|uri This specifies the input to read a key from or standard input if this option is not specified. If the key input is encrypted and -passin is not given a pass phrase will be prompted for. -inform DER|PEM|P12|ENGINE The key input format; unspecified by default. See openssl-format-options(1) for details. -passin arg The password source for the key input. For more information about the format of arg see openssl-passphrase-options(1). -pubin By default a private key is read from the input. With this option only the public components are read. Output options -out filename This specifies the output filename to save the encoded and/or text output of key or standard output if this option is not specified. If any cipher option is set but no -passout is given then a pass phrase will be prompted for. The output filename should not be the same as the input filename. -outform DER|PEM The key output format; the default is PEM. See openssl-format-options(1) for details. -cipher Encrypt the PEM encoded private key with the supplied cipher. Any algorithm name accepted by EVP_get_cipherbyname() is acceptable such as aes128. Encryption is not supported for DER output. -passout arg The password source for the output file. For more information about the format of arg see openssl-passphrase-options(1). -traditional Normally a private key is written using standard format: this is PKCS#8 form with the appropriate encryption algorithm (if any). If the -traditional option is specified then the older "traditional" format is used instead. -pubout By default the private and public key is output; this option restricts the output to the public components. This option is automatically set if the input is a public key. When combined with -text, this is equivalent to -text_pub. -noout Do not output the key in encoded form. -text Output the various key components in plain text (possibly in addition to the PEM encoded form). This cannot be combined with encoded output in DER format. -text_pub Output in text form only the public key components (also for private keys). This cannot be combined with encoded output in DER format. -ec_conv_form arg This option only applies to elliptic-curve based keys. This specifies how the points on the elliptic curve are converted into octet strings. Possible values are: compressed (the default value), uncompressed and hybrid. For more information regarding the point conversion forms please read the X9.62 standard. Note Due to patent issues the compressed option is disabled by default for binary curves and can be enabled by defining the preprocessor macro OPENSSL_EC_BIN_PT_COMP at compile time. -ec_param_enc arg This option only applies to elliptic curve based public and private keys. This specifies how the elliptic curve parameters are encoded. Possible value are: named_curve, i.e. the ec parameters are specified by an OID, or explicit where the ec parameters are explicitly given (see RFC 3279 for the definition of the EC parameters structures). The default value is named_curve. Note the implicitlyCA alternative, as specified in RFC 3279, is currently not implemented in OpenSSL. EXAMPLES To remove the pass phrase on a private key: openssl pkey -in key.pem -out keyout.pem To encrypt a private key using triple DES: openssl pkey -in key.pem -des3 -out keyout.pem To convert a private key from PEM to DER format: openssl pkey -in key.pem -outform DER -out keyout.der To print out the components of a private key to standard output: openssl pkey -in key.pem -text -noout To print out the public components of a private key to standard output: openssl pkey -in key.pem -text_pub -noout To just output the public part of a private key: openssl pkey -in key.pem -pubout -out pubkey.pem To change the EC parameters encoding to explicit: openssl pkey -in key.pem -ec_param_enc explicit -out keyout.pem To change the EC point conversion form to compressed: openssl pkey -in key.pem -ec_conv_form compressed -out keyout.pem SEE ALSO openssl(1), openssl-genpkey(1), openssl-rsa(1), openssl-pkcs8(1), openssl-dsa(1), openssl-genrsa(1), openssl-gendsa(1) HISTORY The -engine option was deprecated in OpenSSL 3.0. COPYRIGHT Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved. Licensed under the Apache License 2.0 (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <https://www.openssl.org/source/license.html>. 3.0.2 2022-07-04 OPENSSL-PKEY(1SSL)

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