aboutsummaryrefslogtreecommitdiff
path: root/libhal.py
diff options
context:
space:
mode:
Diffstat (limited to 'libhal.py')
-rw-r--r--libhal.py674
1 files changed, 0 insertions, 674 deletions
diff --git a/libhal.py b/libhal.py
deleted file mode 100644
index 0c6b3f6..0000000
--- a/libhal.py
+++ /dev/null
@@ -1,674 +0,0 @@
-# Copyright (c) 2016, NORDUnet A/S
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-# - Redistributions of source code must retain the above copyright notice,
-# this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the NORDUnet nor the names of its contributors may
-# be used to endorse or promote products derived from this software
-# without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
-# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
-# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-"""
-A Python interface to the Cryptech libhal RPC API.
-"""
-
-# A lot of this is hand-generated XDR data structure encoding. If and
-# when we ever convert the C library to use data structures processed
-# by rpcgen, we may want to rewrite this code to use the output of
-# something like https://github.com/floodlight/xdr.git -- in either
-# case the generated code would just be for the data structures, we're
-# not likely to want to use the full ONC RPC mechanism.
-
-import os
-import uuid
-import xdrlib
-import socket
-import logging
-import contextlib
-
-logger = logging.getLogger(__name__)
-
-
-SLIP_END = chr(0300) # indicates end of packet
-SLIP_ESC = chr(0333) # indicates byte stuffing
-SLIP_ESC_END = chr(0334) # ESC ESC_END means END data byte
-SLIP_ESC_ESC = chr(0335) # ESC ESC_ESC means ESC data byte
-
-
-def slip_encode(buffer):
- return SLIP_END + buffer.replace(SLIP_ESC, SLIP_ESC + SLIP_ESC_ESC).replace(SLIP_END, SLIP_ESC + SLIP_ESC_END) + SLIP_END
-
-def slip_decode(buffer):
- return buffer.strip(SLIP_END).replace(SLIP_ESC + SLIP_ESC_END, SLIP_END).replace(SLIP_ESC + SLIP_ESC_ESC, SLIP_ESC)
-
-
-HAL_OK = 0
-
-class HALError(Exception):
- "LibHAL error"
-
- table = [None]
-
- @classmethod
- def define(cls, **kw):
- assert len(kw) == 1
- name, text = kw.items()[0]
- e = type(name, (cls,), dict(__doc__ = text))
- cls.table.append(e)
- globals()[name] = e
-
-HALError.define(HAL_ERROR_BAD_ARGUMENTS = "Bad arguments given")
-HALError.define(HAL_ERROR_UNSUPPORTED_KEY = "Unsupported key type or key length")
-HALError.define(HAL_ERROR_IO_SETUP_FAILED = "Could not set up I/O with FPGA")
-HALError.define(HAL_ERROR_IO_TIMEOUT = "I/O with FPGA timed out")
-HALError.define(HAL_ERROR_IO_UNEXPECTED = "Unexpected response from FPGA")
-HALError.define(HAL_ERROR_IO_OS_ERROR = "Operating system error talking to FPGA")
-HALError.define(HAL_ERROR_IO_BAD_COUNT = "Bad byte count")
-HALError.define(HAL_ERROR_CSPRNG_BROKEN = "CSPRNG is returning nonsense")
-HALError.define(HAL_ERROR_KEYWRAP_BAD_MAGIC = "Bad magic number while unwrapping key")
-HALError.define(HAL_ERROR_KEYWRAP_BAD_LENGTH = "Length out of range while unwrapping key")
-HALError.define(HAL_ERROR_KEYWRAP_BAD_PADDING = "Non-zero padding detected unwrapping key")
-HALError.define(HAL_ERROR_IMPOSSIBLE = "\"Impossible\" error")
-HALError.define(HAL_ERROR_ALLOCATION_FAILURE = "Memory allocation failed")
-HALError.define(HAL_ERROR_RESULT_TOO_LONG = "Result too long for buffer")
-HALError.define(HAL_ERROR_ASN1_PARSE_FAILED = "ASN.1 parse failed")
-HALError.define(HAL_ERROR_KEY_NOT_ON_CURVE = "EC key is not on its purported curve")
-HALError.define(HAL_ERROR_INVALID_SIGNATURE = "Invalid signature")
-HALError.define(HAL_ERROR_CORE_NOT_FOUND = "Requested core not found")
-HALError.define(HAL_ERROR_CORE_BUSY = "Requested core busy")
-HALError.define(HAL_ERROR_KEYSTORE_ACCESS = "Could not access keystore")
-HALError.define(HAL_ERROR_KEY_NOT_FOUND = "Key not found")
-HALError.define(HAL_ERROR_KEY_NAME_IN_USE = "Key name in use")
-HALError.define(HAL_ERROR_NO_KEY_SLOTS_AVAILABLE = "No key slots available")
-HALError.define(HAL_ERROR_PIN_INCORRECT = "PIN incorrect")
-HALError.define(HAL_ERROR_NO_CLIENT_SLOTS_AVAILABLE = "No client slots available")
-HALError.define(HAL_ERROR_FORBIDDEN = "Forbidden")
-HALError.define(HAL_ERROR_XDR_BUFFER_OVERFLOW = "XDR buffer overflow")
-HALError.define(HAL_ERROR_RPC_TRANSPORT = "RPC transport error")
-HALError.define(HAL_ERROR_RPC_PACKET_OVERFLOW = "RPC packet overflow")
-HALError.define(HAL_ERROR_RPC_BAD_FUNCTION = "Bad RPC function number")
-HALError.define(HAL_ERROR_KEY_NAME_TOO_LONG = "Key name too long")
-HALError.define(HAL_ERROR_MASTERKEY_NOT_SET = "Master key (Key Encryption Key) not set")
-HALError.define(HAL_ERROR_MASTERKEY_FAIL = "Master key generic failure")
-HALError.define(HAL_ERROR_MASTERKEY_BAD_LENGTH = "Master key of unacceptable length")
-HALError.define(HAL_ERROR_KS_DRIVER_NOT_FOUND = "Keystore driver not found")
-HALError.define(HAL_ERROR_KEYSTORE_BAD_CRC = "Bad CRC in keystore")
-HALError.define(HAL_ERROR_KEYSTORE_BAD_BLOCK_TYPE = "Unsupported keystore block type")
-HALError.define(HAL_ERROR_KEYSTORE_LOST_DATA = "Keystore appears to have lost data")
-HALError.define(HAL_ERROR_BAD_ATTRIBUTE_LENGTH = "Bad attribute length")
-HALError.define(HAL_ERROR_ATTRIBUTE_NOT_FOUND = "Attribute not found")
-HALError.define(HAL_ERROR_NO_KEY_INDEX_SLOTS = "No key index slots available")
-HALError.define(HAL_ERROR_KSI_INDEX_UUID_MISORDERED = "Key index UUID misordered")
-HALError.define(HAL_ERROR_KSI_INDEX_CHUNK_ORPHANED = "Key index chunk orphaned")
-HALError.define(HAL_ERROR_KSI_INDEX_CHUNK_MISSING = "Key index chunk missing")
-HALError.define(HAL_ERROR_KSI_INDEX_CHUNK_OVERLAPS = "Key index chunk overlaps")
-HALError.define(HAL_ERROR_KEYSTORE_WRONG_BLOCK_TYPE = "Wrong block type in keystore")
-HALError.define(HAL_ERROR_RPC_PROTOCOL_ERROR = "RPC protocol error")
-HALError.define(HAL_ERROR_NOT_IMPLEMENTED = "Not implemented")
-
-
-class Enum(int):
-
- def __new__(cls, name, value):
- self = int.__new__(cls, value)
- self._name = name
- setattr(self.__class__, name, self)
- return self
-
- def __str__(self):
- return self._name
-
- def __repr__(self):
- return "<Enum:{0.__class__.__name__} {0._name}:{0:d}>".format(self)
-
- _counter = 0
-
- @classmethod
- def define(cls, names):
- symbols = []
- for name in names.translate(None, "{}").split(","):
- if "=" in name:
- name, sep, expr = name.partition("=")
- cls._counter = eval(expr.strip())
- if not isinstance(cls._counter, int):
- raise TypeError
- symbols.append(cls(name.strip(), cls._counter))
- cls._counter += 1
- cls.index = dict((int(symbol), symbol) for symbol in symbols)
- globals().update((symbol._name, symbol) for symbol in symbols)
-
- def xdr_packer(self, packer):
- packer.pack_uint(self)
-
-
-class RPCFunc(Enum): pass
-
-RPCFunc.define('''
- RPC_FUNC_GET_VERSION,
- RPC_FUNC_GET_RANDOM,
- RPC_FUNC_SET_PIN,
- RPC_FUNC_LOGIN,
- RPC_FUNC_LOGOUT,
- RPC_FUNC_LOGOUT_ALL,
- RPC_FUNC_IS_LOGGED_IN,
- RPC_FUNC_HASH_GET_DIGEST_LEN,
- RPC_FUNC_HASH_GET_DIGEST_ALGORITHM_ID,
- RPC_FUNC_HASH_GET_ALGORITHM,
- RPC_FUNC_HASH_INITIALIZE,
- RPC_FUNC_HASH_UPDATE,
- RPC_FUNC_HASH_FINALIZE,
- RPC_FUNC_PKEY_LOAD,
- RPC_FUNC_PKEY_OPEN,
- RPC_FUNC_PKEY_GENERATE_RSA,
- RPC_FUNC_PKEY_GENERATE_EC,
- RPC_FUNC_PKEY_CLOSE,
- RPC_FUNC_PKEY_DELETE,
- RPC_FUNC_PKEY_GET_KEY_TYPE,
- RPC_FUNC_PKEY_GET_KEY_FLAGS,
- RPC_FUNC_PKEY_GET_PUBLIC_KEY_LEN,
- RPC_FUNC_PKEY_GET_PUBLIC_KEY,
- RPC_FUNC_PKEY_SIGN,
- RPC_FUNC_PKEY_VERIFY,
- RPC_FUNC_PKEY_MATCH,
- RPC_FUNC_PKEY_GET_KEY_CURVE,
- RPC_FUNC_PKEY_SET_ATTRIBUTES,
- RPC_FUNC_PKEY_GET_ATTRIBUTES,
- RPC_FUNC_PKEY_EXPORT,
- RPC_FUNC_PKEY_IMPORT,
-''')
-
-class HALDigestAlgorithm(Enum): pass
-
-HALDigestAlgorithm.define('''
- HAL_DIGEST_ALGORITHM_NONE,
- HAL_DIGEST_ALGORITHM_SHA1,
- HAL_DIGEST_ALGORITHM_SHA224,
- HAL_DIGEST_ALGORITHM_SHA256,
- HAL_DIGEST_ALGORITHM_SHA512_224,
- HAL_DIGEST_ALGORITHM_SHA512_256,
- HAL_DIGEST_ALGORITHM_SHA384,
- HAL_DIGEST_ALGORITHM_SHA512
-''')
-
-class HALKeyType(Enum): pass
-
-HALKeyType.define('''
- HAL_KEY_TYPE_NONE,
- HAL_KEY_TYPE_RSA_PRIVATE,
- HAL_KEY_TYPE_RSA_PUBLIC,
- HAL_KEY_TYPE_EC_PRIVATE,
- HAL_KEY_TYPE_EC_PUBLIC
-''')
-
-class HALCurve(Enum): pass
-
-HALCurve.define('''
- HAL_CURVE_NONE,
- HAL_CURVE_P256,
- HAL_CURVE_P384,
- HAL_CURVE_P521
-''')
-
-class HALUser(Enum): pass
-
-HALUser.define('''
- HAL_USER_NONE,
- HAL_USER_NORMAL,
- HAL_USER_SO,
- HAL_USER_WHEEL
-''')
-
-HAL_KEY_FLAG_USAGE_DIGITALSIGNATURE = (1 << 0)
-HAL_KEY_FLAG_USAGE_KEYENCIPHERMENT = (1 << 1)
-HAL_KEY_FLAG_USAGE_DATAENCIPHERMENT = (1 << 2)
-HAL_KEY_FLAG_TOKEN = (1 << 3)
-HAL_KEY_FLAG_PUBLIC = (1 << 4)
-HAL_KEY_FLAG_EXPORTABLE = (1 << 5)
-
-HAL_PKEY_ATTRIBUTE_NIL = (0xFFFFFFFF)
-
-
-class UUID(uuid.UUID):
-
- def xdr_packer(self, packer):
- packer.pack_bytes(self.bytes)
-
-
-def cached_property(func):
-
- attr_name = "_" + func.__name__
-
- def wrapped(self):
- try:
- value = getattr(self, attr_name)
- except AttributeError:
- value = func(self)
- setattr(self, attr_name, value)
- return value
-
- wrapped.__name__ = func.__name__
-
- return property(wrapped)
-
-
-class Handle(object):
-
- def __int__(self):
- return self.handle
-
- def __cmp__(self, other):
- return cmp(self.handle, int(other))
-
- def xdr_packer(self, packer):
- packer.pack_uint(self.handle)
-
-
-class Digest(Handle):
-
- def __init__(self, hsm, handle, algorithm):
- self.hsm = hsm
- self.handle = handle
- self.algorithm = algorithm
-
- def update(self, data):
- self.hsm.hash_update(self, data)
-
- def finalize(self, length = None):
- return self.hsm.hash_finalize(self, length or self.digest_length)
-
- @cached_property
- def algorithm_id(self):
- return self.hsm.hash_get_digest_algorithm_id(self.algorithm)
-
- @cached_property
- def digest_length(self):
- return self.hsm.hash_get_digest_length(self.algorithm)
-
-
-class LocalDigest(object):
- """
- Implements same interface as Digest class, but using PyCrypto, to
- support mixed-mode PKey operations. This only supports algorithms
- that PyCrypto supports, so no SHA512/224 or SHA512/256, sorry.
- """
-
- def __init__(self, hsm, handle, algorithm, key):
- from Crypto.Hash import HMAC, SHA, SHA224, SHA256, SHA384, SHA512
- self.hsm = hsm
- self.handle = handle
- self.algorithm = algorithm
- try:
- h = self._algorithms[algorithm]
- except AttributeError:
- self._algorithms = {
- HAL_DIGEST_ALGORITHM_SHA1 : SHA.SHA1Hash,
- HAL_DIGEST_ALGORITHM_SHA224 : SHA224.SHA224Hash,
- HAL_DIGEST_ALGORITHM_SHA256 : SHA256.SHA256Hash,
- HAL_DIGEST_ALGORITHM_SHA384 : SHA384.SHA384Hash,
- HAL_DIGEST_ALGORITHM_SHA512 : SHA512.SHA512Hash
- }
- h = self._algorithms[algorithm]
- self.digest_length = h.digest_size
- self.algorithm_id = chr(0x30) + chr(2 + len(h.oid)) + h.oid
- self._context = HMAC.HMAC(key = key, digestmod = h) if key else h()
-
- def update(self, data):
- self._context.update(data)
-
- def finalize(self, length = None):
- return self._context.digest()
-
- def finalize_padded(self, pkey):
- if pkey.key_type not in (HAL_KEY_TYPE_RSA_PRIVATE, HAL_KEY_TYPE_RSA_PUBLIC):
- return self.finalize()
- # PKCS #1.5 requires the digest to be wrapped up in an ASN.1 DigestInfo object.
- from Crypto.Util.asn1 import DerSequence, DerNull, DerOctetString
- return DerSequence([DerSequence([self._context.oid, DerNull().encode()]).encode(),
- DerOctetString(self.finalize()).encode()]).encode()
-
-
-class PKey(Handle):
-
- def __init__(self, hsm, handle, uuid):
- self.hsm = hsm
- self.handle = handle
- self.uuid = uuid
- self.deleted = False
-
- def __enter__(self):
- return self
-
- def __exit__(self, exc_type, exc_val, exc_tb):
- if not self.deleted:
- self.close()
-
- def close(self):
- self.hsm.pkey_close(self)
-
- def delete(self):
- self.hsm.pkey_delete(self)
- self.deleted = True
-
- @cached_property
- def key_type(self):
- return self.hsm.pkey_get_key_type(self)
-
- @cached_property
- def key_curve(self):
- return self.hsm.pkey_get_key_curve(self)
-
- @cached_property
- def key_flags(self):
- return self.hsm.pkey_get_key_flags(self)
-
- @cached_property
- def public_key_len(self):
- return self.hsm.pkey_get_public_key_len(self)
-
- @cached_property
- def public_key(self):
- return self.hsm.pkey_get_public_key(self, self.public_key_len)
-
- def sign(self, hash = 0, data = "", length = 1024):
- return self.hsm.pkey_sign(self, hash = hash, data = data, length = length)
-
- def verify(self, hash = 0, data = "", signature = None):
- self.hsm.pkey_verify(self, hash = hash, data = data, signature = signature)
-
- def set_attributes(self, attributes = None, **kwargs):
- assert attributes is None or not kwargs
- self.hsm.pkey_set_attributes(self, attributes or kwargs)
-
- def get_attributes(self, attributes):
- attrs = self.hsm.pkey_get_attributes(self, attributes, 0)
- attrs = dict((k, v) for k, v in attrs.iteritems() if v != HAL_PKEY_ATTRIBUTE_NIL)
- result = dict((a, None) for a in attributes)
- result.update(self.hsm.pkey_get_attributes(self, attrs.iterkeys(), sum(attrs.itervalues())))
- return result
-
- def export_pkey(self, pkey):
- return self.hsm.pkey_export(pkey = pkey, kekek = self, pkcs8_max = 2560, kek_max = 512)
-
- def import_pkey(self, pkcs8, kek, flags = 0):
- return self.hsm.pkey_import(kekek = self, pkcs8 = pkcs8, kek = kek, flags = flags)
-
-class HSM(object):
-
- mixed_mode = False
- debug_io = False
-
- def _raise_if_error(self, status):
- if status != 0:
- raise HALError.table[status]()
-
- def __init__(self, sockname = os.getenv("CRYPTECH_RPC_CLIENT_SOCKET_NAME",
- "/tmp/.cryptech_muxd.rpc")):
- self.socket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
- self.socket.connect(sockname)
- self.sockfile = self.socket.makefile("rb")
-
- def _send(self, msg): # Expects an xdrlib.Packer
- msg = slip_encode(msg.get_buffer())
- if self.debug_io:
- logger.debug("send: %s", ":".join("{:02x}".format(ord(c)) for c in msg))
- self.socket.sendall(msg)
-
- def _recv(self, code): # Returns an xdrlib.Unpacker
- closed = False
- while True:
- msg = [self.sockfile.read(1)]
- while msg[-1] != SLIP_END:
- if msg[-1] == "":
- raise HAL_ERROR_RPC_TRANSPORT()
- msg.append(self.sockfile.read(1))
- if self.debug_io:
- logger.debug("recv: %s", ":".join("{:02x}".format(ord(c)) for c in msg))
- msg = slip_decode("".join(msg))
- if not msg:
- continue
- msg = xdrlib.Unpacker("".join(msg))
- if msg.unpack_uint() != code:
- continue
- return msg
-
- _pack_builtin = (((int, long), "_pack_uint"),
- (str, "_pack_bytes"),
- ((list, tuple, set), "_pack_array"),
- (dict, "_pack_items"))
-
- def _pack_arg(self, packer, arg):
- if hasattr(arg, "xdr_packer"):
- return arg.xdr_packer(packer)
- for cls, method in self._pack_builtin:
- if isinstance(arg, cls):
- return getattr(self, method)(packer, arg)
- raise RuntimeError("Don't know how to pack {!r} ({!r})".format(arg, type(arg)))
-
- def _pack_args(self, packer, args):
- for arg in args:
- self._pack_arg(packer, arg)
-
- def _pack_uint(self, packer, arg):
- packer.pack_uint(arg)
-
- def _pack_bytes(self, packer, arg):
- packer.pack_bytes(arg)
-
- def _pack_array(self, packer, arg):
- packer.pack_uint(len(arg))
- self._pack_args(packer, arg)
-
- def _pack_items(self, packer, arg):
- packer.pack_uint(len(arg))
- for name, value in arg.iteritems():
- self._pack_arg(packer, name)
- self._pack_arg(packer, HAL_PKEY_ATTRIBUTE_NIL if value is None else value)
-
- @contextlib.contextmanager
- def rpc(self, code, *args, **kwargs):
- client = kwargs.get("client", 0)
- packer = xdrlib.Packer()
- packer.pack_uint(code)
- packer.pack_uint(client)
- self._pack_args(packer, args)
- self._send(packer)
- unpacker = self._recv(code)
- client = unpacker.unpack_uint()
- self._raise_if_error(unpacker.unpack_uint())
- yield unpacker
- unpacker.done()
-
- def get_version(self):
- with self.rpc(RPC_FUNC_GET_VERSION) as r:
- return r.unpack_uint()
-
- def get_random(self, n):
- with self.rpc(RPC_FUNC_GET_RANDOM, n) as r:
- return r.unpack_bytes()
-
- def set_pin(self, user, pin, client = 0):
- with self.rpc(RPC_FUNC_SET_PIN, user, pin, client = client):
- return
-
- def login(self, user, pin, client = 0):
- with self.rpc(RPC_FUNC_LOGIN, user, pin, client = client):
- return
-
- def logout(self, client = 0):
- with self.rpc(RPC_FUNC_LOGOUT, client = client):
- return
-
- def logout_all(self):
- with self.rpc(RPC_FUNC_LOGOUT_ALL):
- return
-
- def is_logged_in(self, user, client = 0):
- with self.rpc(RPC_FUNC_IS_LOGGED_IN, user, client = client):
- return
-
- def hash_get_digest_length(self, alg):
- with self.rpc(RPC_FUNC_HASH_GET_DIGEST_LEN, alg) as r:
- return r.unpack_uint()
-
- def hash_get_digest_algorithm_id(self, alg, max_len = 256):
- with self.rpc(RPC_FUNC_HASH_GET_DIGEST_ALGORITHM_ID, alg, max_len) as r:
- return r.unpack_bytes()
-
- def hash_get_algorithm(self, handle):
- with self.rpc(RPC_FUNC_HASH_GET_ALGORITHM, handle) as r:
- return HALDigestAlgorithm.index[r.unpack_uint()]
-
- def hash_initialize(self, alg, key = "", client = 0, session = 0, mixed_mode = None):
- if mixed_mode is None:
- mixed_mode = self.mixed_mode
- if mixed_mode:
- return LocalDigest(self, 0, alg, key)
- else:
- with self.rpc(RPC_FUNC_HASH_INITIALIZE, session, alg, key, client = client) as r:
- return Digest(self, r.unpack_uint(), alg)
-
- def hash_update(self, handle, data):
- with self.rpc(RPC_FUNC_HASH_UPDATE, handle, data):
- return
-
- def hash_finalize(self, handle, length = None):
- if length is None:
- length = self.hash_get_digest_length(self.hash_get_algorithm(handle))
- with self.rpc(RPC_FUNC_HASH_FINALIZE, handle, length) as r:
- return r.unpack_bytes()
-
- def pkey_load(self, der, flags = 0, client = 0, session = 0):
- with self.rpc(RPC_FUNC_PKEY_LOAD, session, der, flags, client = client) as r:
- pkey = PKey(self, r.unpack_uint(), UUID(bytes = r.unpack_bytes()))
- logger.debug("Loaded pkey %s", pkey.uuid)
- return pkey
-
- def pkey_open(self, uuid, client = 0, session = 0):
- with self.rpc(RPC_FUNC_PKEY_OPEN, session, uuid, client = client) as r:
- pkey = PKey(self, r.unpack_uint(), uuid)
- logger.debug("Opened pkey %s", pkey.uuid)
- return pkey
-
- def pkey_generate_rsa(self, keylen, flags = 0, exponent = "\x01\x00\x01", client = 0, session = 0):
- with self.rpc(RPC_FUNC_PKEY_GENERATE_RSA, session, keylen, exponent, flags, client = client) as r:
- pkey = PKey(self, r.unpack_uint(), UUID(bytes = r.unpack_bytes()))
- logger.debug("Generated RSA pkey %s", pkey.uuid)
- return pkey
-
- def pkey_generate_ec(self, curve, flags = 0, client = 0, session = 0):
- with self.rpc(RPC_FUNC_PKEY_GENERATE_EC, session, curve, flags, client = client) as r:
- pkey = PKey(self, r.unpack_uint(), UUID(bytes = r.unpack_bytes()))
- logger.debug("Generated EC pkey %s", pkey.uuid)
- return pkey
-
- def pkey_close(self, pkey):
- try:
- logger.debug("Closing pkey %s", pkey.uuid)
- except AttributeError:
- pass
- with self.rpc(RPC_FUNC_PKEY_CLOSE, pkey):
- return
-
- def pkey_delete(self, pkey):
- try:
- logger.debug("Deleting pkey %s", pkey.uuid)
- except AttributeError:
- pass
- with self.rpc(RPC_FUNC_PKEY_DELETE, pkey):
- return
-
- def pkey_get_key_type(self, pkey):
- with self.rpc(RPC_FUNC_PKEY_GET_KEY_TYPE, pkey) as r:
- return HALKeyType.index[r.unpack_uint()]
-
- def pkey_get_key_curve(self, pkey):
- with self.rpc(RPC_FUNC_PKEY_GET_KEY_CURVE, pkey) as r:
- return HALCurve.index[r.unpack_uint()]
-
- def pkey_get_key_flags(self, pkey):
- with self.rpc(RPC_FUNC_PKEY_GET_KEY_FLAGS, pkey) as r:
- return r.unpack_uint()
-
- def pkey_get_public_key_len(self, pkey):
- with self.rpc(RPC_FUNC_PKEY_GET_PUBLIC_KEY_LEN, pkey) as r:
- return r.unpack_uint()
-
- def pkey_get_public_key(self, pkey, length = None):
- if length is None:
- length = self.pkey_get_public_key_len(pkey)
- with self.rpc(RPC_FUNC_PKEY_GET_PUBLIC_KEY, pkey, length) as r:
- return r.unpack_bytes()
-
- def pkey_sign(self, pkey, hash = 0, data = "", length = 1024):
- assert not hash or not data
- if isinstance(hash, LocalDigest):
- hash, data = 0, hash.finalize_padded(pkey)
- with self.rpc(RPC_FUNC_PKEY_SIGN, pkey, hash, data, length) as r:
- return r.unpack_bytes()
-
- def pkey_verify(self, pkey, hash = 0, data = "", signature = None):
- assert not hash or not data
- if isinstance(hash, LocalDigest):
- hash, data = 0, hash.finalize_padded(pkey)
- with self.rpc(RPC_FUNC_PKEY_VERIFY, pkey, hash, data, signature):
- return
-
- def pkey_match(self, type = 0, curve = 0, mask = 0, flags = 0,
- attributes = {}, length = 64, client = 0, session = 0):
- u = UUID(int = 0)
- n = length
- s = 0
- while n == length:
- with self.rpc(RPC_FUNC_PKEY_MATCH, session, type, curve, mask, flags,
- attributes, s, length, u, client = client) as r:
- s = r.unpack_uint()
- n = r.unpack_uint()
- for i in xrange(n):
- u = UUID(bytes = r.unpack_bytes())
- yield u
-
- def pkey_set_attributes(self, pkey, attributes):
- with self.rpc(RPC_FUNC_PKEY_SET_ATTRIBUTES, pkey, attributes):
- return
-
- def pkey_get_attributes(self, pkey, attributes, attributes_buffer_len = 2048):
- attributes = tuple(attributes)
- with self.rpc(RPC_FUNC_PKEY_GET_ATTRIBUTES, pkey, attributes, attributes_buffer_len) as r:
- n = r.unpack_uint()
- if n != len(attributes):
- raise HAL_ERROR_RPC_PROTOCOL_ERROR
- if attributes_buffer_len > 0:
- return dict((r.unpack_uint(), r.unpack_bytes()) for i in xrange(n))
- else:
- return dict((r.unpack_uint(), r.unpack_uint()) for i in xrange(n))
-
- def pkey_export(self, pkey, kekek, pkcs8_max = 2560, kek_max = 512):
- with self.rpc(RPC_FUNC_PKEY_EXPORT, pkey, kekek, pkcs8_max, kek_max) as r:
- pkcs8, kek = r.unpack_bytes(), r.unpack_bytes()
- logger.debug("Exported pkey %s", pkey.uuid)
- return pkcs8, kek
-
- def pkey_import(self, kekek, pkcs8, kek, flags = 0, client = 0, session = 0):
- with self.rpc(RPC_FUNC_PKEY_IMPORT, session, kekek, pkcs8, kek, flags, client = client) as r:
- pkey = PKey(self, r.unpack_uint(), UUID(bytes = r.unpack_bytes()))
- logger.debug("Imported pkey %s", pkey.uuid)
- return pkey