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pyplayready
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+ Unprovision device before exporting

This commit is contained in:
BuildTools 2024-11-30 14:04:22 +01:00
parent 46ddaaf5b0
commit 4ea1fbd1f8
3 changed files with 8 additions and 11 deletions
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2
pyplayready/__init__.py
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@ -10,4 +10,4 @@ from .session import *
from .xml_key import * from .xml_key import *
from .xmrlicense import * from .xmrlicense import *
__version__ = "0.4.1" __version__ = "0.4.2"

15
pyplayready/main.py
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@ -250,7 +250,7 @@ def reprovision_device(ctx: click.Context, prd_path: Path, output: Optional[Path
@click.pass_context @click.pass_context
def export_device(ctx: click.Context, prd_path: Path, out_dir: Optional[Path] = None) -> None: def export_device(ctx: click.Context, prd_path: Path, out_dir: Optional[Path] = None) -> None:
""" """
Export a Playready Device (.prd) file to a Group Key, Encryption Key, Signing Key and Group Certificate Export a Playready Device (.prd) file to a Group Key and Group Certificate
If an output directory is not specified, it will be stored in the current working directory If an output directory is not specified, it will be stored in the current working directory
""" """
if not prd_path.is_file(): if not prd_path.is_file():
@ -274,21 +274,18 @@ def export_device(ctx: click.Context, prd_path: Path, out_dir: Optional[Path] =
device = Device.load(prd_path) device = Device.load(prd_path)
log.info(f"L{device.security_level} {device.get_name()}") log.info(f"SL{device.security_level} {device.get_name()}")
log.info(f"Saving to: {out_path}") log.info(f"Saving to: {out_path}")
if device.group_key: if device.group_key:
group_key_path = out_path / "zgpriv.dat" group_key_path = out_path / "zgpriv.dat"
group_key_path.write_bytes(device.group_key.dumps()) group_key_path.write_bytes(device.group_key.dumps())
log.info("Exported Group Key as zgpriv.dat") log.info("Exported Group Key as zgpriv.dat")
else:
log.warning("Cannot export zgpriv.dat, as v2 devices do not save the group key")
private_key_path = out_path / "zprivencr.dat" # remove leaf cert to unprovision it
private_key_path.write_bytes(device.encryption_key.dumps()) device.group_certificate.remove(0)
log.info("Exported Encryption Key as zprivencr.dat")
private_key_path = out_path / "zprivsig.dat"
private_key_path.write_bytes(device.signing_key.dumps())
log.info("Exported Signing Key as zprivsig.dat")
client_id_path = out_path / "bgroupcert.dat" client_id_path = out_path / "bgroupcert.dat"
client_id_path.write_bytes(device.group_certificate.dumps()) client_id_path.write_bytes(device.group_certificate.dumps())

2
pyproject.toml
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@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
[tool.poetry] [tool.poetry]
name = "pyplayready" name = "pyplayready"
version = "0.4.1" version = "0.4.2"
description = "pyplayready CDM (Content Decryption Module) implementation in Python." description = "pyplayready CDM (Content Decryption Module) implementation in Python."
license = "CC BY-NC-ND 4.0" license = "CC BY-NC-ND 4.0"
authors = ["DevLARLEY, Erevoc", "DevataDev"] authors = ["DevLARLEY, Erevoc", "DevataDev"]