I see that it is possible to do so using Java, I have used PyJKS to create the keystore file which has a PrivateKeyEntry which contains the sha1 fingerprint for me to use but I don't know how to convert that into either an SHACertificate or sha_hash to upload to firebase
key = crypto.PKey()
key.generate_key(crypto.TYPE_RSA, 4096)
cert = crypto.X509()
cert.get_subject().organizationName = 'myorg'
cert.get_subject().organizationalUnitName = alias
cert.set_serial_number(473289472)
cert.gmtime_adj_notBefore(0)
cert.gmtime_adj_notAfter(365*24*60*60*100)
cert.set_issuer(cert.get_subject())
cert.set_pubkey(key)
cert.sign(key, 'sha256')
dumped_cert = crypto.dump_certificate(crypto.FILETYPE_PEM, cert)
dumped_key = crypto.dump_privatekey(crypto.FILETYPE_PEM, key)
pke = jks.PrivateKeyEntry.new(alias, [dumped_cert], dumped_key, 'rsa_raw')
keystore = KeyStore.new('jks', [pke])
keystore.save(filePath, password)
from cryptography.hazmat.primitives import hashes
from cryptography import x509
ks = jks.KeyStore.load(keystore, password)
for alias, pk in ks.private_keys.items():
cert = x509.load_der_x509_certificate((pk.cert_chain[0])[1])
sha1 = project_management.SHACertificate(bytearray(cert.fingerprint(hashes.SHA1())).hex(), "SHA_1")