When I do user login, the background API needs to MD5 the encryption of the number and request time of the merged strings, so on the GitHub to find an encrypted frame, link: https://github. (ox) Com/paulery2014/cocoasecurity, I wrote a
1. Summary of information and digital signatureInformation Summary: Processing the data to obtain a fixed length of the results, its characteristics input:1, the output length is fixed. That is, the output length is independent of the input length.2,
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The following thinking direction, is based on the Android side
HashlibThe Hashlib module in Python is used for hashing or MD5 encryption, and this encryption is irreversible, so this algorithm is called the Digest algorithm. It supports all the algorithms provided by the OpenSSL library, including MD5, SHA1,
Wallets are used on public chains such as Bitcoin/Ethereum. Wallets are primarily used to manage the user's private key, and the user's digital currency on the chain, which is the signature of the transaction with the private key. The private key
The DH key exchange of SSH is a set of key exchange algorithms for several complex algorithms. The algorithm called Diffie-hellman-groupx-exchange-shax in RFC4419 (there is another simple Rsax-shax switching algorithm). This paper takes
The Hashlib module is used for cryptographic operations, instead of the MD5 and SHA modules,Mainly provide SHA1, SHA224, SHA256, SHA384, SHA512, MD5 algorithm.#-*-coding:utf-8-*-__author__='Shisanjun'ImportHASHLIBM=hashlib.md5 () #使用MD5算法m. Update
JSON & Pickle ModulesTwo modules for serialization
JSON, used to convert between string and Python data types
Pickle for conversion between Python-specific types and Python data types
The JSON module provides four functions: dumps,
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