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from ctypes import c_void_p, byref
from ..lib import _lib, _encode, _inp
from ..key import Key
class Encrypt:
def __init__(self, obj, io):
self._obj = obj
self._armored = None
self._compression = None
self._cipher = None
self._aead = None
self._aead_bits = None
self._hashalg = None
self._creation_time = None
self._lifetime = None
self._file_mtime = None
self._filename = None
self._io = io
def __del__(self):
_lib.rnp_op_encrypt_destroy(self._obj)
def obj(self):
return self._obj
@staticmethod
def start(rnp, inp, outp):
inp = _inp(inp)
pop = c_void_p()
_lib.rnp_op_encrypt_create(byref(pop), rnp.obj(), inp.obj(), outp.obj())
if pop.value:
return Encrypt(pop, (inp, outp))
@property
def armored(self):
return self._armored
@armored.setter
def armored(self, armored):
_lib.rnp_op_encrypt_set_armor(self._obj, armored)
self._armored = armored
@property
def cipher(self):
return self._cipher
@cipher.setter
def cipher(self, cipher):
_lib.rnp_op_encrypt_set_cipher(self._obj, cipher.encode("ascii"))
self._cipher = cipher
@property
def aead(self):
return self._aead
@aead.setter
def aead(self, aead):
_lib.rnp_op_encrypt_set_aead(self._obj, aead.encode("ascii"))
self._aead = aead
@property
def aead_bits(self):
return self._aead_bits
@aead_bits.setter
def aead_bits(self, aead_bits):
_lib.rnp_op_encrypt_set_aead_bits(self._obj, aead_bits)
self._aead_bits = aead_bits
@property
def compression(self):
return self._compression
@compression.setter
def compression(self, compression):
if compression is None:
compression = ("Uncompressed", 0)
_lib.rnp_op_encrypt_set_compression(
self._obj, compression[0].encode("ascii"), compression[1]
)
self._compression = compression
@property
def hashalg(self):
return self._hashalg
@hashalg.setter
def hashalg(self, hashalg):
_lib.rnp_op_encrypt_set_hash(self._obj, hashalg.encode("ascii"))
self._hashalg = hashalg
@property
def creation_time(self):
return self._creation_time
@creation_time.setter
def creation_time(self, creation_time):
_lib.rnp_op_encrypt_set_creation_time(self._obj, creation_time)
self._creation_time = creation_time
@property
def lifetime(self):
return self._lifetime
@lifetime.setter
def lifetime(self, lifetime):
_lib.rnp_op_encrypt_set_expiration_time(self._obj, lifetime)
self._lifetime = lifetime
@property
def file_mtime(self):
return self._file_mtime
@file_mtime.setter
def file_mtime(self, mtime):
self._file_mtime = mtime
_lib.rnp_op_encrypt_set_file_mtime(self._obj, mtime)
@property
def filename(self):
return self._filename
@filename.setter
def filename(self, name):
self._filename = name
_lib.rnp_op_encrypt_set_file_name(self._obj, _encode(name))
def add_recipient(self, recipient):
assert isinstance(recipient, Key)
_lib.rnp_op_encrypt_add_recipient(self._obj, recipient.obj())
def add_password(
self, password, s2k_hashalg=None, iterations=None, s2k_cipher=None
):
_lib.rnp_op_encrypt_add_password(
self._obj,
password.encode("utf-8"),
_encode(s2k_hashalg),
iterations or 0,
_encode(s2k_cipher),
)
def add_signature(self, signer, hashalg=None, creation_time=None, lifetime=None):
from .sign import Sign
assert isinstance(signer, Key)
psig = c_void_p()
_lib.rnp_op_encrypt_add_signature(self._obj, signer.obj(), byref(psig))
Sign._set_signature_opts(psig, hashalg, creation_time, lifetime)
def finish(self):
_lib.rnp_op_encrypt_execute(self._obj)
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