f = open("testPem.pem", "r")
pemStr = f.read()
f.close()
os.remove("testPem.pem")
newKey.FromEncryptedPEMStr(pemStr, passphrase)
# this will throw:
#newKey.FromEncryptedPEMStr( pemStr, "This is not a correct passphrase" )
print("public key = ", newKey.pubKey)
print("private key = ", newKey.priKey)
# generate a derived pub key PEM & convert to HEX (compressed & uncompressed)
pubkeyPEM = BobsKey.derivePublicKey(msg)
print("Derived pub key PEM = ", pubkeyPEM)
derivedPubKeyHex = Nakasendo.pubKeyPEMasHex(pubkeyPEM)
print("Dervied pub key hex uncompressed = ", derivedPubKeyHex)
derivedPubKeyHex = Nakasendo.pubKeyPEMasHex(pubkeyPEM, True)
print("Dervied pub key hex uncompressed = ", derivedPubKeyHex)
print(
'convert the public key from PEM to hex pt(compressed & uncompressed)')
print('uncompressed key %s', Nakasendo.pubKeyPEMasHex(newKey.pubKey))
print('compressed key %s', Nakasendo.pubKeyPEMasHex(newKey.pubKey, True))
# Test1 randomPolynomial( degree, modulo )
# Test2 randomPolynomial( degree, modulo, fixed a_0 )
# Test3 randomPolynomial( degree, modulo, min, max )
# Test4 evalute for x=2
# Test5 create polynomial from list
if (len(sys.argv) == 6):
dersigStr = sys.argv[5]
print('[%s, %s] \n pubkey %s \nmessage = %s' %
(sigRStr, sigSStr, pubKeyStr, message))
# create an ECPoint
pt = Nakasendo.ECPoint()
pt.value = pubKeyStr
#print(pt.GetAffineCoOrdinates())
coords = pt.GetAffineCoOrdinates()
pempubkey = Nakasendo.pubKeyHexPtasPem(coords[0], coords[1])
print(pempubkey)
print('verify the pem format')
pubKeyStrValidate = Nakasendo.pubKeyPEMasHex(pempubkey, True)
#print(pubKeyStrValidate)
# get the affine co-ordinates
# get pem format
valPem = Nakasendo.verify(message, pempubkey, sigRStr, sigSStr)
if (valPem == True):
print(
'Calculated signature verified with calculated PEM & call to verify'
)
else:
print('Failed to verify with calculated PEM')
val = Nakasendo.verifyPubKeyHex(message, pubKeyStr, sigRStr, sigSStr)
if (val == True):
print('Calculated signature verified via Nakasendo verify')
