dsp-blockchain/create_keys.py

import rsa
#from cryptography.fernet import Fernet
# create the symmetric key only for the JSON file - we are going to only encrypt the keys 
#key = Fernet.generate_key()

# write the symmetric key to a file
#k = open('symmetric.key','wb')
#k.write(key)
#k.close()

# create the pub & private keys for the parties
(pubkey_forParty1,privkey_forParty1)=rsa.newkeys(2048)
(pubkey_forParty2,privkey_forParty2)=rsa.newkeys(2048)

#write the public key to a file
pukey = open('publickey_Party1.key','wb')
pukey.write(pubkey_forParty1.save_pkcs1('PEM'))
pukey.close()

pukey = open('publickey_Party2.key','wb')
pukey.write(pubkey_forParty2.save_pkcs1('PEM'))
pukey.close()

# write the private key to a file
prkey = open('privkey_Party1.txt','wb')
prkey.write(privkey_forParty1.save_pkcs1('PEM'))
prkey.close()

prkey = open('privkey_Party2.txt','wb')
prkey.write(privkey_forParty2.save_pkcs1('PEM'))
prkey.close()