simple class for serializable and secure credential holder
Simple Serializable Credential Holder
This is a simple class for handling credentials. It is serializable for data transfer and is able to securely hold credentials in its constructed form.
To get a serialized credential holder, start by picking a passphrase (that you must remember or keep track of) for usage as an encryption key. Then, create an instance of the CredentialHolder object using the credential you want to encrypt and the passphrase and you can serialize it and use the string to store or communicate the credentials.
from credential_holder import CredentialHolder, CredentialHolderSerializer credential_holder = CredentialHolder("passphrase", "password") serialized_credential_holder = CredentialHolderSerializer.serialize_credential_holder(credential_holder)
This creates something along the lines of
serialized_credential_holder = 'aG9sZGVyLl' + 'GQzXHInKQ==' # shortened representation of a large base64 string
This value can be then transferred and used elsewhere as follows
from credential_holder import CredentialHolderSerializer serialized_credential_holder = "same_as_above" credential_holder = CredentialHolderSerializer.deserialize_credential_holder(serialized_credential_holder) credential_holder.get_credential("passphrase")
Using the wrong passphrase will cause an Exception - you will not be able to decrypt a Credential Holder or serialized string unless you have the same passphrase that was used to create it.
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