iarv/Remote-Terminal-for-MeshCore
1
0
Fork 1
mirror of https://github.com/jkingsman/Remote-Terminal-for-MeshCore.git synced 2026-05-08 14:25:10 +02:00
Code Issues Packages Projects Releases Wiki Activity

Drop out channel hash helper

Browse Source
This commit is contained in:
Jack Kingsman
2026-03-12 20:33:52 -07:00
parent 5a580b9c01
commit a7ff041a48
8 changed files with 30 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files
app/decoder.py
+1 -10
View File
@@ -85,15 +85,6 @@ class PacketInfo:
path_hash_size: int = 1 # Bytes per hop: 1, 2, or 3
def calculate_channel_hash(channel_key: bytes) -> str:
"""
Calculate the channel hash from a 16-byte channel key.
Returns the first byte of SHA256(key) as hex.
"""
hash_bytes = hashlib.sha256(channel_key).digest()
return format(hash_bytes[0], "02x")
def extract_payload(raw_packet: bytes) -> bytes | None:
"""
Extract just the payload from a raw packet, skipping header and path.
@@ -233,7 +224,7 @@ def try_decrypt_packet_with_channel_key(
return None
packet_channel_hash = format(packet_info.payload[0], "02x")
expected_hash = calculate_channel_hash(channel_key)
expected_hash = format(hashlib.sha256(channel_key).digest()[0], "02x")
if packet_channel_hash != expected_hash:
return None