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Create HMAC SHA256 signature/encryption/encode
import hmac
import hashlib
import binascii
def create_sha256_signature(key, message):
byte_key = binascii.unhexlify(key)
message = message.encode()
return, message, hashlib.sha256).hexdigest().upper()
key = "E49756B4C8FAB4E48222A3E7F3B97CC3"
message = "TEST STRING"
create_sha256_signature(key, message)
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