# (C) 2011-2013 magicant

# Completion script for the "ssh-keygen" command.
# Supports OpenSSH 6.2.

function completion/ssh-keygen {

	typeset OPTIONS ARGOPT PREFIX
	OPTIONS=( #>#
	"A; create all types of host keys"
	"a:; specify the number of primality tests performed (with -T)"
	"B; print the bubblebabble digest"
	"b:; specify the number of bits of the key being created"
	"C:; specify the comment of the key"
	"c; change the comment of RSA1 private/public keys"
	"D:; download the RSA public keys from the specified PKCS#11 library"
	"e; print the key in the portable format"
	"F:; specify the host name to search the known hosts file for"
	"f:; specify the key file to operate on"
	"G:; specify the file to save candidate primes"
	"g; use generic DNS format (with -r)"
	"H; hash the known hosts file"
	"h; create a host certificate when signing a key"
	"I:; specify the key identity used when signing a key"
	"i; print the key in the non-portable format"
	"L; print the contents of a certificate"
	"l; print the fingerprint of the public key file"
	"M:; specify the memory size in megabytes used when generating candidate moduli"
	"m:; specify the key format (with -e or -i)"
	"N:; specify the new passphrase"
	"n:; specify principals included in a certificate when signing a key"
	"O:; specify a certificate option when signing a key"
	"P:; specify the (current) passphrase"
	"p; change the passphrase of the private key"
	"q; make ssh-keygen quiet"
	"R:; specify the host name to remove from the known hosts file"
	"r:; print the SSHFP fingerprint resource record of the specified host name"
	"S:; specify the start point for generating candidate moduli"
	"s:; specify the CA key file to sign the public key with"
	"T:; test DH group exchange candidate primes"
	"t:; specify the key type"
	"V:; specify the validity interval of the signed certificate"
	"v; print debugging messages"
	"W:; specify the DH generator"
	"y; extract the public key from the private key"
	"z:; specify the serial number of the certificate"
	) #<#

	command -f completion//parseoptions
	case $ARGOPT in
	(-)
		command -f completion//completeoptions
		;;
	([abMSVz])
		;;
	([FR])
		complete -P "$PREFIX" -h
		;;
	(m) #>>#
		complete -P "$PREFIX" -D 'SSH2 public or private key' RFC4716
		complete -P "$PREFIX" -D 'PEM PKCS8 public key' PKCS8
		complete -P "$PREFIX" -D 'PEM public key' PEM
		;; #<<#
	(O)
		#TODO
		;;
	(t) #>>#
		complete -P "$PREFIX" -D 'RSA, protocol version 1' rsa1
		complete -P "$PREFIX" -D 'RSA, protocol version 2' rsa
		complete -P "$PREFIX" -D 'DSA, protocol version 2' dsa
		;; #<<#
	(W)
		complete 2 3 5
		;;
	(*)
		complete -P "$PREFIX" -f
		;;
	esac

}


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