C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// # -*- coding: utf-8 -*- # # =================================================================== # The contents of this file are dedicated to the public domain. To # the extent that dedication to the public domain is not available, # everyone is granted a worldwide, perpetual, royalty-free, # non-exclusive license to exercise all rights associated with the # contents of this file for any purpose whatsoever. # No rights are reserved. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE # SOFTWARE. # =================================================================== from Crypto.Util.py3compat import * from Crypto.Util._raw_api import (load_pycryptodome_raw_lib, VoidPointer, SmartPointer, create_string_buffer, get_raw_buffer, c_size_t, c_uint8_ptr) _raw_sha1_lib = load_pycryptodome_raw_lib("Crypto.Hash._SHA1", """ #define SHA1_DIGEST_SIZE 20 int SHA1_init(void **shaState); int SHA1_destroy(void *shaState); int SHA1_update(void *hs, const uint8_t *buf, size_t len); int SHA1_digest(const void *shaState, uint8_t digest[SHA1_DIGEST_SIZE]); int SHA1_copy(const void *src, void *dst); int SHA1_pbkdf2_hmac_assist(const void *inner, const void *outer, const uint8_t first_digest[SHA1_DIGEST_SIZE], uint8_t final_digest[SHA1_DIGEST_SIZE], size_t iterations); """) class SHA1Hash(object): """A SHA-1 hash object. Do not instantiate directly. Use the :func:`new` function. :ivar oid: ASN.1 Object ID :vartype oid: string :ivar block_size: the size in bytes of the internal message block, input to the compression function :vartype block_size: integer :ivar digest_size: the size in bytes of the resulting hash :vartype digest_size: integer """ # The size of the resulting hash in bytes. digest_size = 20 # The internal block size of the hash algorithm in bytes. block_size = 64 # ASN.1 Object ID oid = "1.3.14.3.2.26" def __init__(self, data=None): state = VoidPointer() result = _raw_sha1_lib.SHA1_init(state.address_of()) if result: raise ValueError("Error %d while instantiating SHA1" % result) self._state = SmartPointer(state.get(), _raw_sha1_lib.SHA1_destroy) if data: self.update(data) def update(self, data): """Continue hashing of a message by consuming the next chunk of data. Args: data (byte string/byte array/memoryview): The next chunk of the message being hashed. """ result = _raw_sha1_lib.SHA1_update(self._state.get(), c_uint8_ptr(data), c_size_t(len(data))) if result: raise ValueError("Error %d while instantiating SHA1" % result) def digest(self): """Return the **binary** (non-printable) digest of the message that has been hashed so far. :return: The hash digest, computed over the data processed so far. Binary form. :rtype: byte string """ bfr = create_string_buffer(self.digest_size) result = _raw_sha1_lib.SHA1_digest(self._state.get(), bfr) if result: raise ValueError("Error %d while instantiating SHA1" % result) return get_raw_buffer(bfr) def hexdigest(self): """Return the **printable** digest of the message that has been hashed so far. :return: The hash digest, computed over the data processed so far. Hexadecimal encoded. :rtype: string """ return "".join(["%02x" % bord(x) for x in self.digest()]) def copy(self): """Return a copy ("clone") of the hash obje