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#!/bin/bash
#
# Create a new SSH keypair.
#
# Parameters
BASENAME="`basename $0`"
TYPE="$1"
HANDLE="$2"
OPTS=""
# Check
if [ -z "$HANDLE" ]; then
echo "usage: $BASENAME <keytype> <handle>"
echo "resulting key is stored at ~/.ssh/keys/<keytype>/<handle>"
exit 1
elif [ -e "$HOME/.ssh/keys/$TYPE/$HANDLE" ]; then
echo "$BASENAME: file already exists: $HOME/.ssh/keys/$TYPE/$HANDLE"
exit 1
fi
# Handle custom options
if [ "$TYPE" == "rsa" ]; then
OPTS="-b 4096"
fi
# Dispatch
ssh-keygen -t $TYPE $OPTS -f $HOME/.ssh/keys/$TYPE/$HANDLE -C "$HANDLE"
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