将字符串转成md5字节数组的方法
java数组字符串转数组 英文回答:
There are several ways to convert a string to an MD5 byte array in different programming languages. I will demonstrate how to do this in both Python and Java.
Python:
In Python, you can use the hashlib library to convert a string to an MD5 byte array. Here's an example of how to do this:
python.
import hashlib.
string = "Hello, world!"
md5_hash = hashlib.de()).digest()。
print(md5_hash)。
In this example, we first import the hashlib library and then create a string. We then use the md5() method to create an MD5 hash of the string and then use the digest() method to convert it to a byte array.
Java:
In Java, you can use the java.security.MessageDigest class to convert a string to an MD5 byte array. Here's an example of how to do this:
java.
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class MD5Converter {。
public static byte[] convertToMD5(String input) {。
try {。
MessageDigest md = Instance("MD5");
return md.Bytes());
} catch (NoSuchAlgorithmException e) {。
e.printStackTrace();
return null;
}。
}。
public static void main(String[] args) {。
String input = "Hello, world!";
byte[] md5Hash = convertToMD5(input);
for (byte b : md5Hash) {。
System.out.print(b + " ");
}。
}。
}。
In this Java example, we create a class called MD5Converter with a method called convertToMD5 that takes a string input and returns the MD5 hash as a byte array. We then call this method in the main method and print out the byte array.
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