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Added destination ratchet ID getter to API

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Mark Qvist 2024-09-07 22:32:03 +02:00
parent 4524a17e67
commit fe054fd03c
2 changed files with 18 additions and 3 deletions
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20
RNS/Identity.py
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@ -213,7 +213,7 @@ class Identity:
Get a SHA-256 hash of passed data. Get a SHA-256 hash of passed data.
:param data: Data to be hashed as *bytes*. :param data: Data to be hashed as *bytes*.
:returns: SHA-256 hash as *bytes* :returns: SHA-256 hash as *bytes*.
""" """
return RNS.Cryptography.sha256(data) return RNS.Cryptography.sha256(data)
@ -223,7 +223,7 @@ class Identity:
Get a truncated SHA-256 hash of passed data. Get a truncated SHA-256 hash of passed data.
:param data: Data to be hashed as *bytes*. :param data: Data to be hashed as *bytes*.
:returns: Truncated SHA-256 hash as *bytes* :returns: Truncated SHA-256 hash as *bytes*.
""" """
return Identity.full_hash(data)[:(Identity.TRUNCATED_HASHLENGTH//8)] return Identity.full_hash(data)[:(Identity.TRUNCATED_HASHLENGTH//8)]
@ -233,10 +233,24 @@ class Identity:
Get a random SHA-256 hash. Get a random SHA-256 hash.
:param data: Data to be hashed as *bytes*. :param data: Data to be hashed as *bytes*.
:returns: Truncated SHA-256 hash of random data as *bytes* :returns: Truncated SHA-256 hash of random data as *bytes*.
""" """
return Identity.truncated_hash(os.urandom(Identity.TRUNCATED_HASHLENGTH//8)) return Identity.truncated_hash(os.urandom(Identity.TRUNCATED_HASHLENGTH//8))
@staticmethod
def current_ratchet_id(destination_hash):
"""
Get the ID of the currently used ratchet key for a given destination hash
:param destination_hash: A destination hash as *bytes*.
:returns: A ratchet ID as *bytes* or *None*.
"""
ratchet = Identity.get_ratchet(destination_hash)
if ratchet == None:
return None
else:
return Identity.truncated_hash(ratchet)
@staticmethod @staticmethod
def _ratchet_public_bytes(ratchet): def _ratchet_public_bytes(ratchet):
return X25519PrivateKey.from_private_bytes(ratchet).public_key().public_bytes() return X25519PrivateKey.from_private_bytes(ratchet).public_key().public_bytes()

1
RNS/Transport.py
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@ -1709,6 +1709,7 @@ class Transport:
except Exception as e: except Exception as e:
RNS.log("Error while processing external announce callback.", RNS.LOG_ERROR) RNS.log("Error while processing external announce callback.", RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR) RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.trace_exception(e)
# Handling for link requests to local destinations # Handling for link requests to local destinations
elif packet.packet_type == RNS.Packet.LINKREQUEST: elif packet.packet_type == RNS.Packet.LINKREQUEST: