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DES通用加密方法。首先,创建一个该工具类对象:如 DES des = new DES(key),其中key为位数大于8的密钥 其次,对原始信息data进行加密,直接调用encrypt方法,得到加密后的字符串,如 String encryptResult = des.encrypt(data) //得到加密后的数据字符串 最后,对加密后的字符串encryptResult解密,直接调用decrypt方法,可得到与原始数据data一致的字符串,如 String decryptResult = des.decrypt(encryptResult) //得到解密后的数据字符串 解密后的字符串decryptResult,与原始信息data一致。-General DES encryption method. First, create a class object of the tool: If DES des = new DES (key), where key is the key followed by more than 8 bits, the original information data is encrypted, encrypt method called directly to get the encrypted string such as String encryptResult = des.encrypt (data) // get the encrypted data string last, to decrypt the encrypted string encryptResult direct call decrypt method, available data consistent with the original data string, such as String decryptResult = des.decrypt (encryptResult) // get the decrypted data string decrypted string decryptResult, consistent with the original information data.
Date : 2026-01-01 Size : 14kb User : pb

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// Struts2 Action方法中: // 将公钥的 modulus 和 exponent 传给页面。 // Hex -> apache commons-codec RSAPublicKey publicKey = RSAUtils.getDefaultPublicKey() ActionContext.getContext().put("modulus", new String(Hex.encodeHex(publicKey.getModulus().toByteArray()))) ActionContext.getContext().put("exponent", new String(Hex.encodeHex(publicKey.getPublicExponent().toByteArray()))) // 页面里,Javascript对明文进行加密: var modulus = $( #hid_modulus ).val(), exponent = $( #hid_exponent ).val() var key = RSAUtils.getKeyPair(exponent, , modulus) pwd1 = RSAUtils.encryptedString(key, pwd1) pwd2 = RSAUtils.encryptedString(key, pwd2) 13 14 // 服务器端,使用RSAUtils工具类对密文进行解密 15 RSAUtils.decryptStringByJs(password1) -RSA demo
Date : 2026-01-01 Size : 1.37mb User : 宋向阳
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