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Decode Base64 data in Java

I have an image that is Base64 encoded. What is the best way to decode that in Java? Hopefully using only the libraries included with Sun Java 6. ...
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How to save a PNG image server-side, from a base64 data string

...o convert canvas drawings to PNG images. What I need now is to turn those base64 strings that this tool generates, into actual PNG files on the server, using PHP. ...
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The input is not a valid Base-64 string as it contains a non-base 64 character

... another console application after converting it to Byte array and then to Base64 string. This part works, but when the same stream is received at the application, it gets manipulated and is no longer a valid Base64 string. Some junk characters are getting introduced into the stream. ...
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Base64 length calculation?

After reading the base64 wiki ... 15 Answers 15 ...
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Http Basic Authentication in Java using HttpClient?

... Have you tried this (using HttpClient version 4): String encoding = Base64Encoder.encode(user + ":" + pwd); HttpPost httpPost = new HttpPost("http://host:post/test/login"); httpPost.setHeader(HttpHeaders.AUTHORIZATION, "Basic " + encoding); System.out.println("executing request " + httpPost....
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Why do we use Base64?

... Your first mistake is thinking that ASCII encoding and Base64 encoding are interchangeable. They are not. They are used for different purposes. When you encode text in ASCII, you start with a text string and convert it to a sequence of bytes. When you encode data in Base64, you...
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Converting Secret Key into a String and Vice Versa

... You can convert the SecretKey to a byte array (byte[]), then Base64 encode that to a String. To convert back to a SecretKey, Base64 decode the String and use it in a SecretKeySpec to rebuild your original SecretKey. For Java 8 SecretKey to String: // create new key SecretKey secret...
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What is base 64 encoding used for?

I've heard people talking about "base 64 encoding" here and there. What is it used for? 18 Answers ...
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NodeJS: How to decode base64 encoded string back to binary? [duplicate]

...ord hashing with salt, so I generated salt as binary, hashed the password, base64 encoded the password and salt then stored them into database. ...
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Linux C/C++程序常用的调试手段及异常排查总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

...性如何? (驼峰、下划线,这个根据公司或者谷歌等的编码规范去做,至于缩进、换行、注释等,可以在经常使用的ide上安装相关格式化插件) 是否涉及动态资源 是否有申请动态内存,文件描述符等,执行完是否有正确...