第一个参数是 Base64 格式的数据,第二个参数是“base64”。 然后您只需在缓冲区对象上调用“toString”,但这次传递给该方法的参数将是“ascii”,因为这是您希望 Base64 数据转换成的数据类型。 请查看以下代码片段以供参考。 'use strict';letdata ='c3RhY2thYnVzZS5jb20=';letbuff =Buffer.from(data,'b...
}//function to create file from base64 encoded stringfunctionbase64_decode(base64str, file) {//create buffer object from base64 encoded string, it is important to tell the constructor that the string is base64 encodedvarbitmap =newBuffer(base64str, 'base64');//write buffer to filefs.wri...
$ npm install nodejs-base64-encode Examples For Encode a String const encode = require('nodejs-base64-encode'); console.log(encode.encode('npm world', 'base64')); prints: bnBtIHdvcmxk For Decode a String const encode = require('nodejs-base64-encode'); console.log(encode.decode('bn...
// 转为base64varstrToBase64=Buffer('aaabbbccc'toString// base64反解析为字符串varbase64ToStr=Buffer(str'base64')toString();
}//function to create file from base64 encoded stringfunctionbase64_decode(base64str, file) {//create buffer object from base64 encoded string, it is important to tell the constructor that the string is base64 encodedvarbitmap =newBuffer.from(base64str, 'base64');//write buffer to file...
问使用Nodejs (Crypto)加密文件时会抛出错误:错误的base64解码ENDES加密算法出自IBM的研究，后来被美国...
var message = HelloWorld.decode(data); console.log(message); }})6.6 运行结果 由于我们没有在Writer中给可选字段opt字段赋值，因此Reader读出来的opt字段值为null。这个例子本身并无意义，但只要您稍加修改就可以将它变成更加有用的程序。比如将磁盘替换为网络 socket，那么就可以实现基于网络的数据交换...
def decrypt_string(self, data): # 编码为字节 real_data = base64.b64decode(data) # 解密 my_aes = AES.new(self.key, AES.MODE_CBC, self.iv) decrypt_data = my_aes.decrypt(real_data) # 解密后的数据去除加密前添加的pad,即0 pos = len(decrypt_data)-1 ...
Base64.decode(args: DecodeArgs): string Decodes a Base64 string as a text string. Parameters args(DecodeArgs): An object with the following fields: base64Text(string): The Base64 string to decode. fromEncoding(string): The encoding of the Base64 string. Defaults to'base64'. ...
1.对刚才生成的 AESKey 进行 base64 解码 const EncodingAESKey = '21IpFqj8qolJbaqPqe1rVTAK5sgkaQ3GQmUKiUQLwRe'; let aesKey = Buffer.from(EncodingAESKey + '=', 'base64'); 2.对 AESKey 进行 aes-256-cbc 解密 function _decode(data) { let aesKey = Buffer.from('21IpFqj8qolJbaqPqe1...