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@ottosch
Created January 24, 2023 14:57
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Decrypts a DBeaver pass
#! /usr/bin/env python
import base64, binascii, sys
key = bytearray("sdf@!#$verf^wv%6Fwe%$$#FFGwfsdefwfe135s$^H)dg", "utf8")
def main():
if len(sys.argv) < 2:
print(f"usage: {sys.argv[0]} <password>", file = sys.stderr)
sys.exit(1)
password = sys.argv[1]
print(f"Encrypted password: {password}")
try:
password = base64.b64decode(password)
except binascii.Error as err:
print(f"Invalid base64 password: {err}", file = sys.stderr)
sys.exit(1)
result = xor(password)
if not (result[len(result) - 2] == 0x00 and result[len(result) - 1] == 0x81):
print("Invalid encrypted password", file = sys.stderr)
sys.exit(1)
decrypted = result[:-2].decode()
print(f"Decrypted password: {decrypted}")
print()
def xor(plain):
xored = bytearray()
for i, b in enumerate(plain):
if i >= len(key):
xored.append(b ^ key[0])
else:
xored.append(b ^ key[i])
return xored
main()
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