腾讯云支付接口认证码

import time
import hashlib
import hmac

def generate_auth_code(secret_key, data):
    timestamp = int(time.time())
    message = f"{data}{timestamp}"
    signature = hmac.new(secret_key.encode(), message.encode(), hashlib.sha256).hexdigest()
    return f"{signature}_{timestamp}"

# 使用示例
secret_key = "your_secret_key"
data = "example_data"
auth_code = generate_auth_code(secret_key, data)
print("Generated Auth Code:", auth_code)

def verify_auth_code(secret_key, auth_code, data):
    signature, timestamp = auth_code.split('_')
    current_time = int(time.time())
    if abs(current_time - int(timestamp)) > 60:  # 允许60秒的时间差
        return False
    message = f"{data}{timestamp}"
    expected_signature = hmac.new(secret_key.encode(), message.encode(), hashlib.sha256).hexdigest()
    return hmac.compare_digest(signature, expected_signature)

# 使用示例
is_valid = verify_auth_code(secret_key, auth_code, data)
print("Auth Code is Valid:", is_valid)