Removed old mbedtls, replacing with submodule.

1 files changed, 0 insertions, 203 deletions

diff --git a/lib/mbedtls-2.27.0/scripts/mbedtls_dev/psa_storage.py b/lib/mbedtls-2.27.0/scripts/mbedtls_dev/psa_storage.py
deleted file mode 100644
index 45f0380..0000000
--- a/lib/mbedtls-2.27.0/scripts/mbedtls_dev/psa_storage.py
+++ /dev/null
@@ -1,203 +0,0 @@
-"""Knowledge about the PSA key store as implemented in Mbed TLS.
-"""
-
-# Copyright The Mbed TLS Contributors
-# SPDX-License-Identifier: Apache-2.0
-#
-# Licensed under the Apache License, Version 2.0 (the "License"); you may
-# not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import re
-import struct
-from typing import Dict, List, Optional, Set, Union
-import unittest
-
-from mbedtls_dev import c_build_helper
-
-
-class Expr:
-    """Representation of a C expression with a known or knowable numerical value."""
-
-    def __init__(self, content: Union[int, str]):
-        if isinstance(content, int):
-            digits = 8 if content > 0xffff else 4
-            self.string = '{0:#0{1}x}'.format(content, digits + 2)
-            self.value_if_known = content #type: Optional[int]
-        else:
-            self.string = content
-            self.unknown_values.add(self.normalize(content))
-            self.value_if_known = None
-
-    value_cache = {} #type: Dict[str, int]
-    """Cache of known values of expressions."""
-
-    unknown_values = set() #type: Set[str]
-    """Expressions whose values are not present in `value_cache` yet."""
-
-    def update_cache(self) -> None:
-        """Update `value_cache` for expressions registered in `unknown_values`."""
-        expressions = sorted(self.unknown_values)
-        values = c_build_helper.get_c_expression_values(
-            'unsigned long', '%lu',
-            expressions,
-            header="""
-            #include <psa/crypto.h>
-            """,
-            include_path=['include']) #type: List[str]
-        for e, v in zip(expressions, values):
-            self.value_cache[e] = int(v, 0)
-        self.unknown_values.clear()
-
-    @staticmethod
-    def normalize(string: str) -> str:
-        """Put the given C expression in a canonical form.
-
-        This function is only intended to give correct results for the
-        relatively simple kind of C expression typically used with this
-        module.
-        """
-        return re.sub(r'\s+', r'', string)
-
-    def value(self) -> int:
-        """Return the numerical value of the expression."""
-        if self.value_if_known is None:
-            if re.match(r'([0-9]+|0x[0-9a-f]+)\Z', self.string, re.I):
-                return int(self.string, 0)
-            normalized = self.normalize(self.string)
-            if normalized not in self.value_cache:
-                self.update_cache()
-            self.value_if_known = self.value_cache[normalized]
-        return self.value_if_known
-
-Exprable = Union[str, int, Expr]
-"""Something that can be converted to a C expression with a known numerical value."""
-
-def as_expr(thing: Exprable) -> Expr:
-    """Return an `Expr` object for `thing`.
-
-    If `thing` is already an `Expr` object, return it. Otherwise build a new
-    `Expr` object from `thing`. `thing` can be an integer or a string that
-    contains a C expression.
-    """
-    if isinstance(thing, Expr):
-        return thing
-    else:
-        return Expr(thing)
-
-
-class Key:
-    """Representation of a PSA crypto key object and its storage encoding.
-    """
-
-    LATEST_VERSION = 0
-    """The latest version of the storage format."""
-
-    def __init__(self, *,
-                 version: Optional[int] = None,
-                 id: Optional[int] = None, #pylint: disable=redefined-builtin
-                 lifetime: Exprable = 'PSA_KEY_LIFETIME_PERSISTENT',
-                 type: Exprable, #pylint: disable=redefined-builtin
-                 bits: int,
-                 usage: Exprable, alg: Exprable, alg2: Exprable,
-                 material: bytes #pylint: disable=used-before-assignment
-                ) -> None:
-        self.version = self.LATEST_VERSION if version is None else version
-        self.id = id #pylint: disable=invalid-name #type: Optional[int]
-        self.lifetime = as_expr(lifetime) #type: Expr
-        self.type = as_expr(type) #type: Expr
-        self.bits = bits #type: int
-        self.usage = as_expr(usage) #type: Expr
-        self.alg = as_expr(alg) #type: Expr
-        self.alg2 = as_expr(alg2) #type: Expr
-        self.material = material #type: bytes
-
-    MAGIC = b'PSA\000KEY\000'
-
-    @staticmethod
-    def pack(
-            fmt: str,
-            *args: Union[int, Expr]
-    ) -> bytes: #pylint: disable=used-before-assignment
-        """Pack the given arguments into a byte string according to the given format.
-
-        This function is similar to `struct.pack`, but with the following differences:
-        * All integer values are encoded with standard sizes and in
-          little-endian representation. `fmt` must not include an endianness
-          prefix.
-        * Arguments can be `Expr` objects instead of integers.
-        * Only integer-valued elements are supported.
-        """
-        return struct.pack('<' + fmt, # little-endian, standard sizes
-                           *[arg.value() if isinstance(arg, Expr) else arg
-                             for arg in args])
-
-    def bytes(self) -> bytes:
-        """Return the representation of the key in storage as a byte array.
-
-        This is the content of the PSA storage file. When PSA storage is
-        implemented over stdio files, this does not include any wrapping made
-        by the PSA-storage-over-stdio-file implementation.
-        """
-        header = self.MAGIC + self.pack('L', self.version)
-        if self.version == 0:
-            attributes = self.pack('LHHLLL',
-                                   self.lifetime, self.type, self.bits,
-                                   self.usage, self.alg, self.alg2)
-            material = self.pack('L', len(self.material)) + self.material
-        else:
-            raise NotImplementedError
-        return header + attributes + material
-
-    def hex(self) -> str:
-        """Return the representation of the key as a hexadecimal string.
-
-        This is the hexadecimal representation of `self.bytes`.
-        """
-        return self.bytes().hex()
-
-    def location_value(self) -> int:
-        """The numerical value of the location encoded in the key's lifetime."""
-        return self.lifetime.value() >> 8
-
-
-class TestKey(unittest.TestCase):
-    # pylint: disable=line-too-long
-    """A few smoke tests for the functionality of the `Key` class."""
-
-    def test_numerical(self):
-        key = Key(version=0,
-                  id=1, lifetime=0x00000001,
-                  type=0x2400, bits=128,
-                  usage=0x00000300, alg=0x05500200, alg2=0x04c01000,
-                  material=b'@ABCDEFGHIJKLMNO')
-        expected_hex = '505341004b45590000000000010000000024800000030000000250050010c00410000000404142434445464748494a4b4c4d4e4f'
-        self.assertEqual(key.bytes(), bytes.fromhex(expected_hex))
-        self.assertEqual(key.hex(), expected_hex)
-
-    def test_names(self):
-        length = 0xfff8 // 8 # PSA_MAX_KEY_BITS in bytes
-        key = Key(version=0,
-                  id=1, lifetime='PSA_KEY_LIFETIME_PERSISTENT',
-                  type='PSA_KEY_TYPE_RAW_DATA', bits=length*8,
-                  usage=0, alg=0, alg2=0,
-                  material=b'\x00' * length)
-        expected_hex = '505341004b45590000000000010000000110f8ff000000000000000000000000ff1f0000' + '00' * length
-        self.assertEqual(key.bytes(), bytes.fromhex(expected_hex))
-        self.assertEqual(key.hex(), expected_hex)
-
-    def test_defaults(self):
-        key = Key(type=0x1001, bits=8,
-                  usage=0, alg=0, alg2=0,
-                  material=b'\x2a')
-        expected_hex = '505341004b455900000000000100000001100800000000000000000000000000010000002a'
-        self.assertEqual(key.bytes(), bytes.fromhex(expected_hex))
-        self.assertEqual(key.hex(), expected_hex)