nostr key generator

nostr-keygen.py

#!/usr/bin/python3

'''
usage:
  trusted: 
    ./nostr-keygen.py (will generate a private key)
  trustless:
    ./nostr-keygen.py <32 byte hex privkey> (will derive the pubkey)

    ./nostr-keygen.py "$(openssl rand -hex 32)"
'''

import sys
from nostr.key import PrivateKey

if len(sys.argv) > 1:
  private_key = PrivateKey(bytes.fromhex(sys.argv[1]))
else:
  private_key = PrivateKey()
    
public_key = private_key.public_key

print(f"PRIV:\n{private_key.bech32()}\n{private_key.hex()}\n")
print(f"PUB:\n{public_key.bech32()}\n{public_key.hex()}\n")