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日期:2025-04-25
I'd like to use java to make a cipher of sorts, but im not sure how to go about it ... Here are possible steps you can take to do this. This is not an exact and working ......
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日期:2025-04-27
The problem with XOR encryption is that for long runs of the same characters, it is very easy to see the password. Such long runs are most commonly spaces in text files. Say your password is 8 chars, and the text file has 16 spaces in some line (for examp...
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日期:2025-04-24
Frequency analysis based solution for Project Euler 59: "Using a brute force attack, can you decrypt the cipher using XOR encryption?" ... Encryption algorithm Before explaining how we get hold of the key, I just want to cover the necessary code for encry...
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日期:2025-04-27
1 Written By: Adam Berent Advanced Encryption Standard by Example V.1.7 1.0 Preface The following document provides a detailed and easy to understand explanation of the implementation of the AES (RIJNDAEL) encryption algorithm. The purpose of this ......
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日期:2025-04-26
2011年2月26日 - 3. How to do bitwise XOR operation to two strings in java. ... String s, key; StringBuilder sb = new StringBuilder(); for(int i = 0; i < s.length(); i++) ......
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日期:2025-04-22
Exclusive-OR encryption works by using the boolean algebra function exclusive-OR (XOR). XOR is a binary operator (meaning that it takes two arguments - similar to the addition sign, for example). By its name, exclusive-OR, it is easy to infer (correctly, ...
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日期:2025-04-23
How about this: private static byte[] xor(final byte[] input, final byte[] secret) { final byte[] output = new byte[input.length]; if (secret.length == 0) { throw new IllegalArgumentException("empty security key"); } int spos = 0; for (int pos = 0; pos < ...
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日期:2025-04-24
Note on Java 7 According to documentation, Java 7 supports two authenticated operation modes: CCM and GCM. Theoretically, you should not need a third party cryptography provider. Unfortunately, Oracle could not provide a full implementation of these modes...