(Chilkat2-Python) Get an Ed25519 Key in Raw Hex Format

Demonstrates how to get the private and public key parts of an Ed25519 key in lowercase hex formmat.

Note: This example requires Chilkat v9.5.0.83 or greater.

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import sys
import chilkat2

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# Load an Ed25519 key from some format..
privKey = chilkat2.PrivateKey()

# This loads an Ed25519 key from an unencrypted PEM file (no password required).
success = privKey.LoadAnyFormatFile("qa_data/eddsa/ed25519.pem","")
if (success == False):
    print(privKey.LastErrorText)
    sys.exit()

# The key type should be "ed25519" to indicate an Ed25519 key.
print("key type = " + privKey.KeyType)

# What is the size of the private key in bits?  (should always be 256 bits for Ed25519)
print("size in bits = " + str(privKey.BitLength))

# Get the private and public key parts in raw hex format:
sbPubKeyHex = chilkat2.StringBuilder()
privKeyHex = privKey.GetRawHex(sbPubKeyHex)

# We should have a 32-byte private key (a 64 character hex string).
print("private key = " + privKeyHex)

# We should have a 32-byte public key (a 64 character hex string).
print("public key = " + sbPubKeyHex.GetAsString())

# Sample output:
# key type = ed25519
# size in bits = 256
# private key = d4ee72dbf913584ad5b6d8f1f769f8ad3afe7c28cbf1d4fbe097a88f44755842
# public key = 19bf44096984cdfe8541bac167dc3b96c85086aa30b6b6cb0c5c38ad703166e1