meshtastic-firmware/bin/base64_to_hex.py

34 wiersze
1.0 KiB
Python

import sys
import base64
def base64_to_hex_string(b64_string):
try:
# Decode the Base64 string to raw bytes
decoded_bytes = base64.b64decode(b64_string)
except Exception as e:
raise ValueError(f"Invalid Base64 input: {e}")
# Check if the decoded result is exactly 32 bytes
if len(decoded_bytes) != 32:
raise ValueError("Decoded Base64 input must be exactly 32 bytes.")
# Convert each byte to its hex representation
hex_values = [f"0x{byte:02x}" for byte in decoded_bytes]
# Join the formatted hex values with commas
formatted_output = "{ " + ", ".join(hex_values) + " };"
return formatted_output
if __name__ == "__main__":
# Check if a Base64 string was provided in command line arguments
if len(sys.argv) != 2:
print("Usage: python script.py <base64-string>")
sys.exit(1)
b64_string = sys.argv[1]
try:
formatted_hex = base64_to_hex_string(b64_string)
print(formatted_hex)
except ValueError as e:
print(e)