Python hashlib.sha1方法代码示例

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def check_wxa_signature(session_key, raw_data, client_signature):
    """校验前端传来的rawData签名正确
    详情请参考
    https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/signature.html # noqa

    :param session_key: code换取的session_key
    :param raw_data: 前端拿到的rawData
    :param client_signature: 前端拿到的signature
    :raises: InvalidSignatureException
    :return: 返回数据dict
    """
    str2sign = (raw_data + session_key).encode("utf-8")
    signature = hashlib.sha1(str2sign).hexdigest()
    if signature != client_signature:
        from wechatpy.exceptions import InvalidSignatureException

        raise InvalidSignatureException() 

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def check_sha1(filename, sha1_hash):
    """Check whether the sha1 hash of the file content matches the expected hash.

    Parameters
    ----------
    filename : str
        Path to the file.
    sha1_hash : str
        Expected sha1 hash in hexadecimal digits.

    Returns
    -------
    bool
        Whether the file content matches the expected hash.
    """
    sha1 = hashlib.sha1()
    with open(filename, 'rb') as f:
        while True:
            data = f.read(1048576)
            if not data:
                break
            sha1.update(data)

    return sha1.hexdigest() == sha1_hash 

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def GetFileChecksum(self, filepath):
    """Generates checksum of given file.

    Args:
      filepath: String of filepath.

    Returns:
      f_hash: SHA1 hash for the file provided in filepath.
    """
    statinfo = os.stat(filepath)
    if statinfo.st_size/1048576 < 200:
      f_content = open(filepath, 'r').read()
      f_hash = hashlib.sha1(f_content).hexdigest()
      return f_hash
    else:
      cmd = ['shasum', filepath]
      (stdout, unused_sterr, unused_rc) = RunProcess(cmd)
      return stdout.split()[0] 

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def _got_rakp3(self, data):
        RmRc = struct.pack('B' * len(self.Rm + self.Rc), *(self.Rm + self.Rc))
        self.sik = hmac.new(self.kg, RmRc + struct.pack("2B", self.rolem, len(self.username)) +
                            self.username, hashlib.sha1).digest()
        self.session.k1 = hmac.new(self.sik, '\x01' * 20, hashlib.sha1).digest()
        self.session.k2 = hmac.new(self.sik, '\x02' * 20, hashlib.sha1).digest()
        self.session.aeskey = self.session.k2[0:16]

        hmacdata = struct.pack('B' * len(self.Rc), *self.Rc) + struct.pack("4B", *self.clientsessionid) +\
            struct.pack("2B", self.rolem, len(self.username)) + self.username
        expectedauthcode = hmac.new(self.kuid, hmacdata, hashlib.sha1).digest()
        authcode = struct.pack("%dB" % len(data[8:]), *data[8:])
        if expectedauthcode != authcode:
            self.close_server_session()
            return
        clienttag = data[0]
        if data[1] != 0:
            self.close_server_session()
            return
        self.session.localsid = struct.unpack('<I', struct.pack('4B', *self.managedsessionid))[0]

        logger.debug('IPMI rakp3 request')
        self.session.ipmicallback = self.handle_client_request
        self._send_rakp4(clienttag, 0) 

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def get_hash(self):
        """
        Returns the hash of the molecule.
        """

        m = hashlib.sha1()
        concat = ""

        np.set_printoptions(precision=16)
        for field in self.hash_fields:
            data = getattr(self, field)
            if field == "geometry":
                data = float_prep(data, GEOMETRY_NOISE)
            elif field == "fragment_charges":
                data = float_prep(data, CHARGE_NOISE)
            elif field == "molecular_charge":
                data = float_prep(data, CHARGE_NOISE)
            elif field == "masses":
                data = float_prep(data, MASS_NOISE)

            concat += json.dumps(data, default=lambda x: x.ravel().tolist())

        m.update(concat.encode("utf-8"))
        return m.hexdigest() 

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def generate_history(gz_file, dump_path, place_index):
    f = gzip.open(gz_file, 'rb')
    uid = uuid.uuid4()
    unique_name = uid.hex
    dump = Dump(dump_path + "/historydump/history"+unique_name+".%04d.json.gz")
    histindex = place_index+"-history"  #i.e. gazetest2-history
    
    for line in f:
        index_json = line
        doc_id = json.loads(index_json)["index"]["_id"]
        
        doc_json = f.next()  #nextline
        doc = json.loads(doc_json)

        digest = hashlib.sha1(json.dumps(doc, sort_keys=True)).hexdigest()

        #SAVE HISTORY (the records tied to a place which have revisions)
        history_doc = {"index" : place_index, "type": "place", "id" : doc_id, "revisions": [{"user_created":"ETL", "created_at":time.time(),"digest":digest}]}
        
        dump.write_bulk(histindex, "place", doc_id, history_doc)

    f.close()
    dump.close() 

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def getSHA1(self, token, timestamp, nonce, encrypt):
        """用SHA1算法生成安全签名
        @param token:  票据
        @param timestamp: 时间戳
        @param encrypt: 密文
        @param nonce: 随机字符串
        @return: 安全签名
        """
        try:
            token = token.decode()
            sortlist = [token, timestamp, nonce, encrypt]
            sortlist.sort()
            sha = hashlib.sha1()
            sha.update("".join(sortlist).encode("utf8"))
            return ierror.WXBizMsgCrypt_OK, sha.hexdigest()
        except Exception as e:
            print(e)
            return ierror.WXBizMsgCrypt_ComputeSignature_Error, None 

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def EncryptMsg(self, sReplyMsg, sNonce, timestamp=None):
        # 将公众号回复用户的消息加密打包
        # @param sReplyMsg: 企业号待回复用户的消息，xml格式的字符串
        # @param sTimeStamp: 时间戳，可以自己生成，也可以用URL参数的timestamp,如为None则自动用当前时间
        # @param sNonce: 随机串，可以自己生成，也可以用URL参数的nonce
        # sEncryptMsg: 加密后的可以直接回复用户的密文，包括msg_signature, timestamp, nonce, encrypt的xml格式的字符串,
        # return：成功0，sEncryptMsg,失败返回对应的错误码None
        pc = Prpcrypt(self.key)
        ret, encrypt = pc.encrypt(sReplyMsg, self.appid)
        if ret != 0:
            return ret, None
        if timestamp is None:
            timestamp = str(int(time.time()))
        # 生成安全签名
        sha1 = SHA1()
        ret, signature = sha1.getSHA1(self.token, timestamp, sNonce, encrypt)

        if ret != 0:
            return ret, None
        xmlParse = XMLParse()
        return ret, xmlParse.generate(encrypt, signature, timestamp, sNonce) 

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def DecryptMsg(self, sPostData, sMsgSignature, sTimeStamp, sNonce):
        # 检验消息的真实性，并且获取解密后的明文
        # @param sMsgSignature: 签名串，对应URL参数的msg_signature
        # @param sTimeStamp: 时间戳，对应URL参数的timestamp
        # @param sNonce: 随机串，对应URL参数的nonce
        # @param sPostData: 密文，对应POST请求的数据
        #  xml_content: 解密后的原文，当return返回0时有效
        # @return: 成功0，失败返回对应的错误码
        # 验证安全签名
        xmlParse = XMLParse()
        ret, encrypt, touser_name = xmlParse.extract(sPostData)
        if ret != 0:
            return ret, None
        sha1 = SHA1()
        ret, signature = sha1.getSHA1(self.token, sTimeStamp, sNonce, encrypt)
        if ret != 0:
            return ret, None
        if not signature == sMsgSignature:
            return ierror.WXBizMsgCrypt_ValidateSignature_Error, None
        pc = Prpcrypt(self.key)
        ret, xml_content = pc.decrypt(encrypt, self.appid)
        return ret, xml_content 

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def _cert_details(cert_pointer):
    """
    Return the certificate and a hash of it

    :param cert_pointer:
        A SecCertificateRef

    :return:
        A 2-element tuple:
         - [0]: A byte string of the SHA1 hash of the cert
         - [1]: A byte string of the DER-encoded contents of the cert
    """

    data_pointer = None

    try:
        data_pointer = Security.SecCertificateCopyData(cert_pointer)
        der_cert = CFHelpers.cf_data_to_bytes(data_pointer)
        cert_hash = hashlib.sha1(der_cert).digest()

        return (der_cert, cert_hash)

    finally:
        if data_pointer is not None:
            CoreFoundation.CFRelease(data_pointer) 

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def app_sign(self, expired=0):
        if not self._secret_id or not self._secret_key:
            return self.AUTH_SECRET_ID_KEY_ERROR

        puserid = ''
        if self._userid != '':
            if len(self._userid) > 64:
                return self.AUTH_URL_FORMAT_ERROR
            puserid = self._userid
 
        now = int(time.time())
        rdm = random.randint(0, 999999999)
        plain_text = 'a=' + self._appid + '&k=' + self._secret_id + '&e=' + str(expired) + '&t=' + str(now) + '&r=' + str(rdm) + '&u=' + puserid + '&f=' 
        bin = hmac.new(self._secret_key.encode(), plain_text.encode(), hashlib.sha1)
        s = bin.hexdigest()
        s = binascii.unhexlify(s)
        s = s + plain_text.encode('ascii')
        signature = base64.b64encode(s).rstrip()    #生成签名
        return signature 

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def generate_key_data_from_nonce(server_nonce, new_nonce):
    """Generates the key data corresponding to the given nonce"""
    server_nonce = server_nonce.to_bytes(16, 'little', signed=True)
    new_nonce = new_nonce.to_bytes(32, 'little', signed=True)
    hash1 = sha1(new_nonce + server_nonce).digest()
    hash2 = sha1(server_nonce + new_nonce).digest()
    hash3 = sha1(new_nonce + new_nonce).digest()

    key = hash1 + hash2[:12]
    iv = hash2[12:20] + hash3 + new_nonce[:4]
    return key, iv


# endregion

# region Custom Classes 

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def key(self, value):
        if not value:
            self._key = self.aux_hash = self.key_id = None
            return

        if isinstance(value, type(self)):
            self._key, self.aux_hash, self.key_id = \
                value._key, value.aux_hash, value.key_id
            return

        self._key = value
        with BinaryReader(sha1(self._key).digest()) as reader:
            self.aux_hash = reader.read_long(signed=False)
            reader.read(4)
            self.key_id = reader.read_long(signed=False)

    # TODO This doesn't really fit here, it's only used in authentication 

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def check_sha1(filename, sha1_hash):
    """Check whether the sha1 hash of the file content matches the expected hash.
    Parameters
    ----------
    filename : str
        Path to the file.
    sha1_hash : str
        Expected sha1 hash in hexadecimal digits.
    Returns
    -------
    bool
        Whether the file content matches the expected hash.
    """
    sha1 = hashlib.sha1()
    with open(filename, 'rb') as f:
        while True:
            data = f.read(1048576)
            if not data:
                break
            sha1.update(data)

    sha1_file = sha1.hexdigest()
    l = min(len(sha1_file), len(sha1_hash))
    return sha1.hexdigest()[0:l] == sha1_hash[0:l] 

# 需要导入模块: import hashlib [as 别名]
# 或者: from hashlib import sha1 [as 别名]
def get_md5_hash(self, enc_hex, key):
        # convert hash from hex to binary
        enc_binary = binascii.unhexlify(enc_hex)

        # retrieve the salt
        salt = hashlib.sha1('\x00\x00\x00\x00' + key).digest() + hashlib.sha1('\x00\x00\x00\x01' + key).digest()

        # encrypt value used with the XOR operation
        aes_key = self.aes_encrypt(struct.pack('I', 0) * 4, salt[0:32])[0:16]

        # XOR operation
        decrypted = []
        for d in range(16):
            decrypted.append(struct.unpack('B', enc_binary[d])[0] ^ struct.unpack('B', aes_key[d])[0])

        # cast the result byte
        tmp = ''
        for dec in decrypted:
            tmp = tmp + struct.pack(">I", dec).strip('\x00')

        # byte to hex
        return binascii.hexlify(tmp)

    # used for dictionary attack, if user specify a specific file