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@dpogorzelski
Forked from miguelmota/ethereum_keys.sh
Created July 15, 2021 13:59
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Generate Ethereum Private key, Public key, and Address using Bash and OpenSSL
# Generate the private and public keys
openssl ecparam -name secp256k1 -genkey -noout | openssl ec -text -noout > key
# Extract the public key and remove the EC prefix 0x04
cat key | grep pub -A 5 | tail -n +2 | tr -d '\n[:space:]:' | sed 's/^04//' > pub
# Extract the private key and remove the leading zero byte
cat key | grep priv -A 3 | tail -n +2 | tr -d '\n[:space:]:' | sed 's/^00//' > priv
# Generate the hash and take the address part
cat pub | keccak-256sum -x -l | tr -d ' -' | tail -c 41 > address
# (Optional) import the private key to geth
geth account import priv
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