Web Development»Python in the web»Python generate HMAC-SHA-256 from string 2 February 2016 Generating HMAC (Hash-based Message Authentication Code) involves the use of a "private" key, which is a secret key known only to the sender and the receiver. This key is used to create a digi...
importrandomimportstringimporthashlibdefgenerate_random_string(length):"""生成指定长度的随机字符串"""letters=string.ascii_letters+string.digits result=''.join(random.choice(letters)for_inrange(length))returnresultdefgenerate_hash(string):"""对给定字符串进行哈希处理"""hashed_string=hashlib.sha256(stri...
defRabin_Karp_Matcher(text,pattern):text=str(text)# convert text into string formatpattern=str(pattern)# convert pattern into string formathash_text,hash_pattern=generate_hash(text,pattern)# generate hash values using generate_hash functionlen_text=len(text)# length of textlen_pattern=len(pattern...
hash = md5(string.encode("utf-8"))if previous_digest: hash.update(previous_digest.encode("utf-8")) returnhash.hexdigest() defgenerate_ledger(*strings):"""生成含一系列字符串的账本的记录"""digest = None for string in strings:digest = hash_ledger_entry(string, digest)yield digest,...
print("文件的哈希值是:"+hash_value) 1. 示例代码 下面是一个完整的示例代码: importhashlibdefgenerate_file_hash(filename):# 打开文件file=open(filename,'rb')# 读取文件内容content=file.read()# 生成哈希值hash_value=hashlib.md5(content).hexdigest()# 输出结果print("文件的哈希值是:"+hash_value...
from cryptography.fernet import Fernet# 生成密钥并加密私钥def encrypt_private_key(private_key):key = Fernet.generate_key()cipher = Fernet(key)encrypted_private_key = cipher.encrypt(private_key.to_string())# 存储加密的私钥和密钥with open("encrypted_private_key.bin", "wb") as f:f.write(encr...
fname = os.path.join("/tmp", frappe.generate_hash() +".pdf") pdfkit.from_string(html, fname, options=optionsor{})withopen(fname,"rb")asfileobj: filedata = fileobj.read() os.remove(fname)returnfiledata 开发者ID:Alphamonarch,项目名称:frappe,代码行数:30,代码来源:pdf.py ...
# registration.py def register_user(username, password): hashed_password = hash_password(password) activation_key = generate_activation_key() # 存储用户信息和卡密,可以使用数据库或文件等方式 user_data = { 'username': username, 'hashed_password': hashed_password, 'activation_key': activation_key...
示例1: test_generate_hash ▲点赞 9▼ # 需要导入模块: from mkt.files.models import File [as 别名]# 或者: from mkt.files.models.File importgenerate_hash[as 别名]deftest_generate_hash(self, storage_mock):f = File() f.version = Version()# Mock remote storage to use a local file inste...
我们可以使用Crypto.Hash包来导入特定的哈希类型:from Crypto.Hash import [Hash Type] 我们可以使用 update 方法设置我们需要获取哈希的数据:update('data') 我们可以使用hexdigest()方法生成哈希:hexdigest() 以下是我们在获取文件的校验和时看到的相同示例,这次我们使用pycrypt而不是hashlib。