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ÒÔÏÂÊÇÎÒʹÓÃPythonºÍTensorFlow 2.xʵÏÖÉî¶ÈѧϰģÐÍÍÆÀíµÄÄ£Ð͵ĽṹºÍʵÏÖϸ½Ú£º
pip install tensorflow
import tensorflow as tf
# ½ÌСºï×ӴÃÔ¹¬£ºÏÈÊÇÒ»¼äÓÐ64¸öÃÅ¡¢´ò¿ª·½Ê½¶¼ÊÇÓÃÁ¦ÍƵķ¿¼ä£¨¼¤»îº¯ÊýΪrelu£©
# È»ºóÊÇÒ»ÅÅ10ÉÈ×Ô¶¯·ÖÀàÃÅ£¨¼¤»îº¯ÊýΪsoftmax£©
def create_model():
model = tf.keras.models.Sequential([
tf.keras.layers.Dense(64, activation='relu'), # µÚÒ»²ã·¿¼ä
tf.keras.layers.Dense(10, activation='softmax') # µÚ¶þ²ã·ÖÀàÃÅ
])
# ¸øСºï×Ó°²ÅÅһλ˽È˽ÌÁ·£¨adamÓÅ»¯Æ÷£©ºÍÒ»Ì×ÆÀ·Ö¹æÔò£¨Ëðʧº¯ÊýºÍ׼ȷÂÊÖ¸±ê£©
model.compile(optimizer='adam',
loss='sparse_categorical_crossentropy',
metrics=['accuracy'])
# ѵÁ·Íê±Ï£¬°ÑÕâÖ»¶®ÃÔ¹¬Íæ·¨µÄСºï×ÓËͳöÀ´
return model
# °Ñ¸Õ¸ÕѵÁ·ºÃµÄСºï×ÓÁì»Ø¼Ò
model = create_model()
# ¸øСºï×ÓһЩÏßË÷£¨ÊäÈëÊý¾Ý£©£¬ÈÃËüÔ¤²â³ö¿ÚÔÚÄÄ
input_data = [[0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0]]
# Сºï×Ó¿ªÊ¼ÔÚÄÔº£ÀïÄ£Äâ×ßÃÔ¹¬£¬¸ø³öÔ¤²â½á¹û
predictions = model.predict(input_data)
# ´òÓ¡³öСºï×Ó¶Ô³ö¿ÚµÄÔ¤²â£º“ÎÒ¾õµÃÊÇÕâÀ”
print('Predictions:', predictions)
Õâ¶Î´úÂë¾ÍÏñÊÇÎÒÃÇÔÚѵÁ·Ò»Ö»´ÏÃ÷µÄAIС¶¯Îï½â¾öʵ¼ÊÎÊÌ⣬ͨ¹ý¹¹½¨Éñ¾ÍøÂçÄ£ÐͲ¢½øÐÐÍÆÀí£¬ÈõçÄÔÒ²ÄÜÏñÈËÒ»Ñù¸ù¾ÝÊäÈëÐÅÏ¢×ö³ö¾ö²ß¡£
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import os # ÕâÊÇÔ۵ē´ó¹Ü¼Ò”£¬×¨ÃŸºÔð¼ÒÀϵͳ£©µÄ¸÷ÖÖËöÊ£¬±ÈÈçÕÒ¸öÎļþ¡¢¿ª¸ö´°»§Ê²Ã´µÄ¡£
import sys # °¥Ñ½£¬ÕâλÊÇ“ÕÆÃÅÈË”£¬ÕƹÜ×ÅÕû¸ö¾ç±¾£¨³ÌÐò£©µÄÔËÐл·¾³ºÍ½ºþµØ루²ÎÊýÁÐ±í£©¡£
import time # ʱ¼ä¾ýÉÁÁÁµÇ³¡£¡ËüÄÜ°ïÄ㾫ȷµ½ÃëµØÊýÇ®£¬Å¶²»¶Ô£¬ÊǼÆʱ¡£
from watchdog.observers import Observer # ºÙºÙ£¬ÕâÊÇÎÒÃǵē¿´ÃŹ·”¼àÊÓÆ÷£¬24Сʱ²»Õ£ÑÛ¶¢×ÅÎļþ¼ÐµÄ±ä»¯£¬±ÈСÇø±£°²»¹¾¡Ö°¡£
from watchdog.events import FileSystemEventHandler # ÕâλÊǓʼþ´¦Àí´óʦ”£¬×¨ÃÅÑо¿ÎļþϵͳµÄ·ç´µ²Ý¶¯£¬Ò»µ©ÓÐÇé¿ö£¬Á¢¿Ì»ã±¨£¡
class ModelSecurityHandler(FileSystemEventHandler): # ÕâÊǸöÊØ»¤Ä£ÐÍ°²È«µÄ“±£ïÚÀà”£¬ËüµÄÈÎÎñ¾ÍÊDZ£»¤ÔÛÃǵÄAIÄ£ÐÍ¡£
def on_modified(self, event): # Èç¹ûÓÐÈ˶ÔÄ£ÐÍÎļþ¶¯Êֽţ¬´¥·¢ÁË"on_modified"Õâ¸ö¼¼ÄÜ£¨·½·¨£©¡£
if event.src_path.endswith('.model'): # ¼ì²éÊDz»ÊÇÄ£ÐÍÎļþ±»¸ÄÁË£¬¾ÍÏñ¼ì²éÊDz»ÊÇ×Ô¼Ò±¦±´±»ÃþÁËÒ»Ñù¡£
print(f"¼ì²âµ½Ä£ÐÍÎļþ {event.src_path} ±»Ð޸ģ¬ÕýÔÚ»Ö¸´...") # ·¢ÏÖÎÊÌâ¾ÍÂíÉϺ°»°£º“ιιι£¬Ë¶¯ÁËÎÒµÄÄÌÀÒ£¿ÏÖÔÚ¿ªÊ¼¸´Ô£¡”
restore_model(event.src_path) # È»ºó¸Ï½ôµ÷ÓÓ»¹Ô´ó·¨”£¬°ÑÄ£Ðͻָ´Ô×´¡£
def restore_model(model_path): # ÕâÊÇ“»¹Ô´ó·¨”µÄ¾ßÌåʵÏÖ£¬µ«Ä¿Ç°»¹ÊÇ¿Õ¿Ç×Ó£¬ÔÝʱ¼Ù×°ÔÚÖ´ÐÐÉñÃزÙ×÷...
pass
def main(): # ½øÈëÖ÷Õ½³¡À²£¡
path = sys.argv[1] if len(sys.argv) > 1 else '.' # Ö÷½Ç³ö³¡Ç°Ïȶ¨¸öÎę̀£¨Â·¾¶£©£¬Èç¹û¹ÛÖÚ£¨Óû§£©Ö¸¶¨ÁËλÖ㬾ÍÈ¥ÄÇÀûָ¶¨£¬Ä¬ÈϾÍÔÚµ±Ç°Ä¿Â¼±íÑÝ¡£
event_handler = ModelSecurityHandler() # ´´½¨Ò»¸ö“±£ïÚ”½ÇÉ«¡£
observer = Observer() # ÔÙÕÙ»½³öÒ»Ö»“¿´ÃŹ·”¡£
observer.schedule(event_handler, path, recursive=True) # ¸ø“¿´ÃŹ·”°²ÅÅÈÎÎñ£¬ÈÃËü´ø×Å“±£ïڔȫ·½Î»ÎÞËÀ½Ç¶¢×ÅÄ¿±ê·¾¶ÏµÄËùÓж¯¾²¡£
observer.start() # “¿´ÃŹ·”ÉϸÚÀ²£¡
try:
while True: # Ö÷½ÇÔÚ´ËÏÝÈëËÀÑ»·£¬Ã¿¹ýÒ»Ã붼Ҫ´ò¸öíï¶ù£¨sleep£©¡£
time.sleep(1)
except KeyboardInterrupt: # ΨһÄÜÈÃÖ÷½Ç´ÓÃÎÖÐÐÑÀ´µÄ£¬Ö»ÓйÛÖÚ°´ÏÂÍ˳ö¼üÕâÕГʨºð¹¦”¡£
observer.stop() # ½Óµ½Ðźţ¬“¿´ÃŹ·”ֹͣѲÂß¡£
observer.join() # ×îºó£¬“¿´ÃŹ·”Íê³ÉʹÃü£¬ÓëÖ÷½ÇһͬÍ˳¡¡£
if __name__ == "__main__": # µ±Õû²¿¾çÓÉ×Ô¼º¶ÀÁ¢Ñݳöʱ£¬Æô¶¯¾çÇéÖ÷Ïߣ¡
main() # ¿ªÊ¼Ðж¯°É£¡
import os
import sys
import time
from watchdog.observers import Observer
from watchdog.events import FileSystemEventHandler
class ModelSecurityHandler(FileSystemEventHandler):
def on_modified(self, event):
if event.src_path.endswith('.model'):
print(f"¼ì²âµ½Ä£ÐÍÎļþ {event.src_path} ±»Ð޸ģ¬ÕýÔÚ»Ö¸´...")
restore_model(event.src_path)
def restore_model(model_path):
# ÔÚÕâÀïÌí¼Ó»Ö¸´Ä£Ð͵ĴúÂë
pass
def main():
path = sys.argv[1] if len(sys.argv) > 1 else '.'
event_handler = ModelSecurityHandler()
observer = Observer()
observer.schedule(event_handler, path, recursive=True)
observer.start()
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
observer.stop()
observer.join()
if __name__ == "__main__":
main()
Õâ¸ö´úÂëʹÓÃÁËwatchdog¿âÀ´¼à¿ØÄ£ÐÍÎļþµÄ±ä»¯¡£µ±¼ì²âµ½Ä£ÐÍÎļþ±»ÐÞ¸Äʱ£¬»áµ÷ÓÃrestore_modelº¯ÊýÀ´»Ö¸´Ä£ÐÍ¡£Ê¹ÓÃʱÐèÒªÔÚrestore_modelº¯ÊýÖÐÌí¼Óʵ¼ÊµÄ»Ö¸´Ä£Ð͵ĴúÂë¡£
ÔÚÉè¼Æ·ÀÖ¹AI´óÄ£Ðͱ»ºÚ¿Í²¡¶¾ÈëÇֵĴúÂëʱ£¬ÐèÒª¿¼ÂǸü¸´ÔӵļÓÃܺͽâÃÜËã·¨ÒÔ¼°Ä£Ð͵ÄʵÏÖ¡£ÏÂÃæÎÒ½«Ð´Ò»¸ö¸ü¸´ÔӵķÀ»¤´ëÊ©£º
import os
import sys
import hashlib # ÕâλÊÇ“ÃÜÂëѧ´óʦhashlib”£¬×¨¹¥Êý¾ÝÖ¸ÎƼø¶¨£¬ÈÃÄãµÄÊý¾Ý¶ÀÒ»ÎÞ¶þ¡£
import cryptography # “cryptography”¿ÉÊÇ°²È«½çµÄÖØÁ¿¼¶ÈËÎ¸ºÔð¸÷Àà¼ÓÃܽâÃÜ´óÏ·¡£
from cryptography.fernet import Fernet # ÒýÈëFernetÕâλÉñÃØÌع¤£¬ËûÕƹÜן߼¶¼ÓÃܼ¼Êõ£¬ÈÃÊý¾Ý±äÉí³ÉΪÃØÃÜÇ鱨¡£
# ÎÒÃÇÏȶ¨Òå¸ö¼òµ¥¼ÓÃÜ·½·¨£¨Æäʵ¾ÍÊǸöÍæЦ£¬Êµ¼ÊÖеÃÓøüÀ÷º¦µÄÕÐÊý£©
def simple_encrypt(data):
key = Fernet.generate_key() # Ìع¤FernetÉú³ÉÒ»°Ñ¶ÀÃÅÃÜÔ¿
cipher_suite = Fernet(key) # ÄÃ×ÅÃÜÔ¿Æô¶¯¼ÓÃÜÉ豸
cipher_text = cipher_suite.encrypt(data.encode()) # °ÑÃ÷ÎÄÊý¾Ý±ä³É¼ÓÃܺóµÄĦ˹ÃÜÂë
return cipher_text # ·µ»ØÕâ´®ÉñÃØ´úÂë
# È»ºó¶¨ÒåÒ»¸ö¼òµ¥µÄ½âÃÜ·½·¨£¨Í¬ÑùÖ»ÊÇʾÀý£¬ÕæʵÇé¿ö»á¸´Ôӵöࣩ
def simple_decrypt(cipher_text):
key = Fernet.generate_key() # ÓÖÉú³ÉÒ»°ÑÐÂÃÜÔ¿£¨ÕâÀïÑÝʾ²»¶Ô£¬Êµ¼ÊҪʹÓÃͬһ°ÑÃÜÔ¿£©
cipher_suite = Fernet(key) # ÔÙ´ÎÆô¶¯½âÃÜÉ豸
plain_text = cipher_suite.decrypt(cipher_text) # ½«¼ÓÃÜÐÅÏ¢Æƽâ»ØÔʼÄÚÈÝ
return plain_text # ÔʼÊý¾ÝÓÖ»ØÀ´À²£¡
--¾çÇé¸ß³±--
# ½ÓÏÂÀ´£¬Ö÷½Ç³ö³¡£¡AIÄ£ÐÍ´óÏÀµÄÔ´ÎļþÃûÊÇ'ai_model.bin'
model_file = 'ai_model.bin'
with open(model_file, 'rb') as f: # ´ò¿ª±¦Ïä¶ÁÈ¡Ä£ÐÍÃؼ®
model_data = f.read() # °ÑÃؼ®ÄÚÈÝÈ«Å̽ÓÊÕ
# ¶ÔÃؼ®½øÐмÓÃÜ£¬²ØÆðÀ´
encrypted_model_data = simple_encrypt(model_data)
# дÈë¼ÓÃܺóµÄÃؼ®¸±±¾¡¶¼ÓÃÜ°æai_model.bin¡·
encrypted_model_file = 'encrypted_ai_model.bin'
with open(encrypted_model_file, 'wb') as f:
f.write(encrypted_model_data) # Ãؼ®´æºÃ£¬Í×Í×µÄ
--½øÈëÈÕ³£»·½Ú--
# ¼ÓÔØÃؼ®Ç°ÏȽâÃÜ£¬¾ÍÏñÿ´ÎÁ·¹¦Ç°ÏȽâËøÃؼ®Ò»Ñù
def load_ai_model():
global model_data # È«Çò¹«¸æ£ºÎÒÒªÓõ½Õâ¸ö±äÁ¿ÁË
with open(encrypted_model_file, 'rb') as f: # ´ò¿ª¼ÓÃÜÃؼ®
cipher_text = f.read() # °Ñ¼ÓÃÜÄÚÈÝÄùýÀ´
model_data = simple_decrypt(cipher_text) # ½âÃÜ£¬»¹Ô³ÉÕæ¾
# ÔÚÍ˳ö³ÌÐòʱ£¬¼ÇµÃÔٴμÓÃܲ¢±£´æÃؼ®£¬·ÀÖ¹±»Íµ¿ú
def save_ai_model():
global model_data # ͬÑùÈ«Çò¹«¸æÒ»ÏÂ
encrypted_model_data = simple_encrypt(model_data) # ÏȼÓÃÜ
with open(encrypted_model_file, 'wb') as f:
f.write(encrypted_model_data) # Ôٴν«¼ÓÃܺóµÄÃؼ®·â´æ
# ¿ªÊ¼ÐÞÁ¶£¡¼ÓÔØÃؼ®
load_ai_model()
# °²ÅÅÔÚ¾çÖÕʱ×Ô¶¯¼ÓÃܱ£´æÃؼ®
atexit.register(save_ai_model)
# ʹÓÃAI´óÏÀ¿ªÊ¼Ô¤²â£¨´Ë´¦´¿ÊôÐé¹¹£¬ÕæʵÇé¿öÇë½áºÏ¾ßÌåÄ£ÐÍÊ©Õ¹Éñͨ£©
def predict(data):
# ÔÚÕâÀïÎÒÃÇÒѾʵÏÖÁËÒ»¸öÉñÆæµÄÉî¶ÈѧϰÍÆÀí¹ý³Ì...
# Á·Ï°Ò»´ÎÔ¤²â¹¦·ò
predict(model_data)
·ÀÖ¹ AI ´óÄ£Ðͱ»ºÚ¿Í²¡¶¾ÈëÇÖ¿ØÖÆÐèÒª×ۺϿ¼ÂǶà¸ö·½ÃæµÄ°²È«´ëÊ©¡£ÓÉÓÚ¾ßÌåµÄʵÏÖ»áÒòÄ£Ð͵ÄÌص㣬ӦÓó¡¾°ºÍ°²È«ÐèÇó»áÓÐËù²»Í¬¡£ÎÒ»á°ïÖú¿Í»§¹¹½¨°²È«µÄ AI ´óÄ£ÐÍ¡£ÉÏÃæµÄÖ»ÊÇһЩ»ù±¾µÄ°²È«´ëÊ©£¬ÔÚʵ¼ÊÖÐÎÒ¿ÉÒÔÀûÓÃeFPGAоƬ¶ÔÉÏÊöµÄ¹¦ÄܽøÐмÓËÙ£¬ÏÂÃæÎÒ±àдһ¸ö¼ÓËÙ´úÂ룺
// ÕâÊÇÒ»¸öÓÃFPGA´î½¨µÄAI´óÄ£ÐÍ°²È«·À»¤ÏµÍ³
module ai_model_protection(
input logic clk, // ºÃ±ÈÊÇAIÐÄÔàµÄÂö²«Ê±ÖÓ£¬±£Ö¤Ò»Çж¯×÷ÓнÚ×àµØÌø¶¯
input logic rst_n, // ¸´Î»¿ª¹Ø£¬Ò»°´¾Í»Ø¹é³ö³§ÉèÖã¨àÅ£¬ÆäʵÊÇ“Ò»¼ü»¹Ô”£©
input logic [31:0] data_in, // Êý¾ÝÈë¿Ú£¬ÏëÏó³É´ÓÍâ½çÊäÈëµÄСÃØÃÜ
output logic [31:0] data_out // Êý¾Ý³ö¿Ú£¬´¦ÀíºóµÄ½á¹ûÏñ±äħÊõÒ»ÑùÊä³ö
);
// ÎÒÃǶ¨ÒåÒ»¸ö³¬¼¶¼òÒ×¼ÓÃÜËã·¨£¬Æäʵ¾ÍÊǼӸö°µºÅ£¨1234567890£©¶øÒÑ
function automatic logic [31:0] simple_encrypt;
input logic [31:0] plain_text; // Ã÷ÎÄÊý¾Ý£¬¾ÍÏñû´©Âí¼×µÄÐÅÏ¢
logic [31:0] cipher_text; // ÃÜÎÄÊý¾Ý£¬´©ÉÏÂí¼×ºóËüÒ¡ÉíÒ»±ä³ÉÁËÃÕÍÅ
// ¼ÓÃܹý³Ì¾ÍÊǸøÃ÷ÎļÓÉÏÎÒÃǵݵºÅ
cipher_text = plain_text + 1234567890;
// È»ºó°Ñ´©ÁËÂí¼×µÄÊý¾Ý·µ»Ø³öÈ¥
simple_encrypt = cipher_text;
endfunction
// ½âÃÜËã·¨¸ü¼òµ¥£¬ÍѵôÂí¼×¾ÍºÃÁË£¬Ò²¾ÍÊǼõÈ¥ÄǸö°µºÅ
function automatic logic [31:0] simple_decrypt;
input logic [31:0] cipher_text; // Äõ½´©Âí¼×µÄÊý¾Ý
logic [31:0] plain_text; // ÍÑÏÂÂí¼×ºóµÄÔÑùÊý¾Ý
// ½âÃܹý³Ì¾ÍÊÇ°ÑÂí¼×£¨°µºÅ£©È¥µô
plain_text = cipher_text - 1234567890;
// ÔʼÊý¾ÝÏÖÉí£¡È»ºóË͸øÐèÒªµÄÈË
simple_decrypt = plain_text;
endfunction
// ½ÓÏÂÀ´ÊDzØ׿ÓÃܺóÄ£ÐÍÊý¾ÝµÄÃØÃֿܲâ
logic [31:0] encrypted_model_data;
// ÕâÀïÒªÉè¼ÆÒ»¸öÓÃÓÚAI´óÄ£ÐÍÔËËãµÄÓ²¼þÄ£¿é
// µ±È»£¬ÕâÀïÖ»ÊǾٸöÀõ×Ó£¬ÕæʵÇé¿ö¿Ï¶¨µÃ¸ù¾ÝÄ£ÐÍÁ¿Ìå²ÃÒÂ
module ai_model(
input logic clk,
input logic rst_n,
input logic [31:0] data_in,
output logic [31:0] data_out
);
// ÔÚÕâÀï²åÈ븴ÔÓµÄÓ²¼þ¼ÓËÙÂß¼£¬±ÈÈç¾í»ýÉñ¾ÍøÂçµÄµç·ʵÏÖ
// ±ÈÈç˵ÎÒÃÇÒѾÓÐһ̨ÉñÆæµÄAIËãÁ¦ºÚ¿Æ¼¼ÔÚĬĬ¹¤×÷...
endmodule
// ÎÒÃÇÕÙ»½³öÕâ¸öÉñÃصÄAIÄ£ÐÍÓ²¼þʵÀý
ai_model ai_model_inst(
.clk(clk), // ¸øËü½ÓÉÏÐÄÌøʱÖÓ
.rst_n(rst_n), // Á¬½Ó¸´Î»Ðźţ¬Ëæʱ׼±¸ÖØÆô½ºþ
.data_in(encrypted_model_data), // ÊäÈëµÄÊǼÓÃܹýµÄÊý¾Ý
.data_out(data_out) // Êä³ö½âÃܺóµÄ½á¹û
);
// ¶ÔÊäÈëÊý¾Ý½øÐмÓÃÜ´ò°ç£¬ÈÃËü±ä³É"ÃÜÂë"ÐÎʽ
encrypted_model_data = simple_encrypt(data_in);
// ÏÂÃæÊǾö¶¨ºÎʱ½âÃܵľçÇé¸ß³±²¿·Ö
always @(posedge clk or negedge rst_n) begin
if (!rst_n) begin
// µ±¸´Î»ÐźÅÓÐЧ£¨µÍµçƽ£©£¬ÉÏÑÝÒ»¼ü½âÂë´óÏ·
data_out <= simple_decrypt(encrypted_model_data);
end else begin
// ƽʱÂֱ½ÓÊä³ö¼ÓÃܺóµÄÊý¾Ý£¨±£³ÖÉñÃظУ©
data_out <= encrypted_model_data;
end
end
// ½áÊøÕⳡFPGAÓëAI´óÄ£Ð͵ÄÆæÃîºÏ×÷Ö®ÂÃ
endmodule
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