Generate ECDSA key pair

generate-key

#!/usr/bin/env sh
set -e

key=`openssl ecparam -name secp256k1 -genkey -noout | openssl ec -text -noout 2>/dev/null`

# Extract the public key and remove the EC prefix 0x04
pub=`echo "${key}" | grep pub -A 5 | tail -n +2 | tr -d '\n[:space:]:' | sed 's/^04//'`

# Extract the private key and remove the leading zero byte
priv=`echo "${key}" | grep priv -A 3 | tail -n +2 | tr -d '\n[:space:]:' | sed 's/^00//'`

echo ""
echo "Private Key:"
echo "0x"$priv

echo ""
echo "Public Key:"
echo $pub
echo ""
echo "You can verify the script you just ran at keys.diagonal.new"