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62 lines
1.4 KiB
62 lines
1.4 KiB
.TH dropbearkey 1
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.SH NAME
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dropbearkey \- create private keys for the use with dropbear(8) or dbclient(1)
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.SH SYNOPSIS
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.B dropbearkey
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\-t
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.I type
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\-f
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.I file
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[\-s
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.IR bits ]
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[\-y]
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.SH DESCRIPTION
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.B dropbearkey
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generates a
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\fIRSA\fR, \fIDSS\fR, \fIECDSA\fR, or \fIEd25519\fR
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format SSH private key, and saves it to a file for the use with the
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Dropbear client or server.
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Note that
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some SSH implementations
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use the term "DSA" rather than "DSS", they mean the same thing.
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.SH OPTIONS
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.TP
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.B \-t \fItype
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Type of key to generate.
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Must be one of
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.I rsa
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.I ecdsa
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.I ed25519
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or
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.IR dss .
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.TP
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.B \-f \fIfile
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Write the secret key to the file
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\fIfile\fR. For client authentication ~/.ssh/id_dropbear is loaded by default
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.TP
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.B \-s \fIbits
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Set the key size to
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.I bits
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bits, should be multiple of 8 (optional).
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.TP
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.B \-y
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Just print the publickey and fingerprint for the private key in \fIfile\fR.
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.SH NOTES
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The program dropbearconvert(1) can be used to convert between Dropbear and OpenSSH key formats.
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.P
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Dropbear does not support encrypted keys.
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.SH EXAMPLE
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generate a host-key:
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# dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key
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extract a public key suitable for authorized_keys from private key:
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# dropbearkey -y -f id_rsa | grep "^ssh-rsa " >> authorized_keys
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.SH AUTHOR
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Matt Johnston (matt@ucc.asn.au).
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.br
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Gerrit Pape (pape@smarden.org) wrote this manual page.
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.SH SEE ALSO
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dropbear(8), dbclient(1), dropbearconvert(1)
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.P
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https://matt.ucc.asn.au/dropbear/dropbear.html
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