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MD5,sha1,sha-256等加密方式

java

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FileInputStream fileInputStream = new FileInputStream(path);
byte[] bytes = new byte[fileInputStream.available()];
fileInputStream.read(bytes);
MessageDigest digest = MessageDigest.getInstance("md5"); // md5, sha1, sha-256
digest.update(bytes);
String md5Code = new BigInteger(1, digest.digest()).toString(16);

python

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import hashlib

with open(file_path, 'rb') as f:
    data = f.read()
    hashlib.md5(data).hexdigest()
    hashlib.sha1(data).hexdigest()
    hashlib.sha256(data).hexdigest()
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