我刚开始学习Bouncy Castle for AES加密/解密。我使用的是256位密钥的AES/CBC/PKCS7PADDING。{0x49,0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x48,0x00,0x00,0x00,0x00,0x00,0x00}
为什么填充不是0x06,0x06,0x06,0x06,0x06,0x06?有没有办法在加密后确定填充长度(可
我有一个pkcs7文件,我想加载它并提取它的内容。Files.readAllBytes(Paths.get("myfile.p7b"));PKCS7 pkcs7Signature = new PKCS7(bytes);FileInputStream fis = new FileInputStream(new File("