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Improved cryptography API compatibility
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95d3346da6
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@ -14,6 +14,8 @@ from cryptography.hazmat.primitives.asymmetric.x25519 import X25519PrivateKey, X
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from cryptography.hazmat.primitives.kdf.hkdf import HKDF
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from cryptography.fernet import Fernet
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cio_default_backend = default_backend()
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class Identity:
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"""
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This class is used to manage identities in Reticulum. It provides methods
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@ -392,11 +394,14 @@ class Identity:
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)
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shared_key = ephemeral_key.exchange(self.pub)
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derived_key = derived_key = HKDF(
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# TODO: Improve this re-allocation of HKDF
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derived_key = HKDF(
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algorithm=hashes.SHA256(),
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length=32,
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salt=self.get_salt(),
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info=self.get_context(),
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backend=cio_default_backend,
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).derive(shared_key)
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fernet = Fernet(base64.urlsafe_b64encode(derived_key))
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@ -424,11 +429,14 @@ class Identity:
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peer_pub = X25519PublicKey.from_public_bytes(peer_pub_bytes)
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shared_key = self.prv.exchange(peer_pub)
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derived_key = derived_key = HKDF(
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# TODO: Improve this re-allocation of HKDF
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derived_key = HKDF(
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algorithm=hashes.SHA256(),
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length=32,
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salt=self.get_salt(),
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info=self.get_context(),
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backend=cio_default_backend,
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).derive(shared_key)
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fernet = Fernet(base64.urlsafe_b64encode(derived_key))
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@ -15,6 +15,8 @@ import RNS
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import traceback
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cio_default_backend = default_backend()
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class LinkCallbacks:
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def __init__(self):
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self.link_established = None
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@ -199,11 +201,14 @@ class Link:
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def handshake(self):
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self.status = Link.HANDSHAKE
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self.shared_key = self.prv.exchange(self.peer_pub)
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# TODO: Improve this re-allocation of HKDF
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self.derived_key = HKDF(
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algorithm=hashes.SHA256(),
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length=32,
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salt=self.get_salt(),
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info=self.get_context(),
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backend=cio_default_backend,
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).derive(self.shared_key)
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def prove(self):
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@ -1064,4 +1069,4 @@ class RequestReceiptCallbacks:
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def __init__(self):
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self.response = None
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self.failed = None
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self.progress = None
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self.progress = None
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@ -1 +1 @@
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__version__ = "0.3.3"
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__version__ = "0.3.3"
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7
RNS/vendor/platformutils.py
vendored
7
RNS/vendor/platformutils.py
vendored
@ -36,3 +36,10 @@ def platform_checks():
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RNS.log("On Windows, Reticulum requires Python 3.8 or higher.", RNS.LOG_ERROR)
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RNS.log("Please update Python to run Reticulum.", RNS.LOG_ERROR)
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RNS.panic()
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def cryptography_old_api():
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import cryptography
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if cryptography.__version__ == "2.8":
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return True
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else:
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return False
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