Base64 c library

Base64 c library

Base64 encoding is used to convert binary data into a text-like format to be transported in environments that handle only text safely. c development by creating an account on GitHub. Cross-browser compatible. OK, I am having more trouble, I finally got it to read the file correctly and all, even tell me there are multiple/single/no values to decode inside a file, but, I have a line like this. Net. h header file, which declares these data types. Download: Editor: This library implements the Base64 encoding system as it is defined in RFC 2045: Multipurpose Internet Mail Extensions (MIME), Part One: Format of Internet Message Bodies. The file you end with is binary identical to the file you start with. * * The library is free for all purposes without any express * guarantee it works. Doesn't ANYBODY know how to actually decode Base64? Microsoft obviously doesn't. C CGI Library Data Types. A line break is defined as a carriage return character (U+000D) followed by a line feed character (U+000A). This blog provides information on how to upload document in document library, using JSOM (ECMA script) in SharePoint 2013. Skip to content. im new to forum and arduino . To start with, I didn’t really have a clue how to plug Converts a subset of an array of 8-bit unsigned integers to its equivalent string representation that is encoded with base-64 digits. Hash strings or binary data using SHA1, MD2, MD5, HAVAL, SHA384, or SHA512. base64 This object allows you to encode and decode data to and from the Base64 Content-Transfer-Encoding defined in section 6. Performing Base64 Encoding Problem You want to represent binary data in as compact a textual representation as is reasonable, but the data must be easy to encode and - Selection from Secure Programming Cookbook for C and C++ [Book] * * See README and COPYING for more details. 18. 00 U. -or- The format of s is invalid. BASE64 encoder implementation: 18. Base64 Content-Transfer-Encoding from RFC 2045 Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies by Freed and Borenstein. Provides hashing functionality for both strings and binary data using SHA1, SHA384, SHA512, MD2, MD5, and HAVAL. C++ to Base64 encode the contents of a file. Encode (strDatos As String) As String. encoding/decoding base64. c into a standalone library. Are there any such routines for Windows? Any Win32 API's or third-party libraries? Thanks in advance. Download: Price of WSQ image library. (C++) 3DES Encryption, ECB, CBC modes. 29 * Base64 is a encoding scheme that represents binary data in an ASCII string 30 * format by translating it into a radix-64 representation. This file contains machine code. Base64 Decode Base64 Encode Image to Base64 Base64 to Image C# System. Net, once you figured out which class libraries you needed to combine. To distinguish between the two, writers often refer to the utility program as crypt(1), because it is documented in section 1 of the Unix manual pages, and refer to the C library function as crypt(3), because its documentation is in manual section 3. C++ wrappers are included, as well as the source code for standalone encoding and decoding executables. Parameters Base64 encode data is a draft programming task. Net Base64 images are easy to transmit over the network. It accepts the encoding of the encoding string to decode it and returns the original (MFC) Base64 Encode/Decode a String. There are number of C libraries available for encoding and decoding as well i. Base64 Utils: 21. In 2001, I asked people to 'Help me break it!' Since then, 10+years later, the code remains unbroken and is in wide production use world-wide. Base-64 Encoder - translates from base-64 text into binary: 19. The implementation of this class supports the following types of Base64 as specified in RFC 4648 and RFC 2045. Download Libb64 for free. ** decode a base64 encoded stream discarding padding, line breaks and noise */ base64 ruby core and standard library treehouse base64 ruby core and standard library treehouse. One Response to “Howto base64 encode with C/C++ and OpenSSL” Never miss a story from Mission Data Journal, when you sign up for Medium. All gists Back to GitHub. base64 encoding and decoding with c++. js jansson - Jansson is C library for encoding, decoding and manipulating JSON data. But it’s a bit odd and sadly incomplete. 6. Completely written in Pure Pascal (from version 2) they should compile in every Pascal compiler known to man. Performing Base64 Encoding Problem You want to represent binary data in as compact a textual representation as is reasonable, but the data must be easy to encode and - Selection from Secure Programming Cookbook for C and C++ [Book] It's implemented in a coroutine-like style in C. h library. Refer to RFC 4648 (C++) PDF File Encoding to Base64. Decoding a Base64-Encoded Binary Problem You have a string that contains information such as a bitmap encoded as base64. Provides BZIP2 compression for both strings and binary data. I used memcpy() and pointer to the end of the str Download base64 file encoder/decoder for free. should give you access to the complete manual. Contribute to joedf/base64. Chilkat C/C++ Library Downloads Hi there I get base64 from web api and I need to save base64 as jpg image How I can do it ? Thanks · You could try CryptStringToBinary to convert the Base64 to an array of Hex & Base64 Encode Decode. Although both libraries share the same “base64” word in the header definition, they are actually different. Download: This ostream base64-encodes all data written to it and forwards it to a connected ostream. Create and verify digital signatures. - base64-utf8. Base64 Character encoder as specified in RFC1113: 20. S. The b64 core library is a pure standalone component: It has zero dependencies on any other libraries. Base64 from by Funambol, Inc. Because line breaks are considered white-space characters in a base-64 encoding, they are ignored when converting a base-64 encoded string back to a byte array. This site uses cookies to store information on your computer. PRB: LNK2005 Errors When Link C Run-Time Libraries Are Linked Before MFC Libraries (Q148652) 11. Sending base64 encoded data via HTTP in C++ using openFrameworks and Poco Net Libraries - gist:7597016 (MFC) Base64 Encode/Decode a String. ESP32 lacks sufficient RAM which limits the What is Base64 encoding? The term Base 64 is generic, and there are many implementations. Chilkat Reference Documentation. TAGs: ASP. mimetic is a free, MIT licensed, Email library (MIME) written in C++ designed to be easy to use and integrate but yet fast and efficient. This module provides data encoding and decoding as specified in RFC 3548. Chilkat C/C++ Library Downloads Hex & Base64 Encode Decode. Base64 Library. Base64 encoding / decoding The source code for the Base64 content encoding scheme for binary-to-text encoding and decoding. Can anyone tell me where I can get such library function I want to achieve Base64 URL safe encoding in C#. Solution #2 – JavaScript's UTF-16 => UTF-8 => base64 This example uses the . For years, I've done my base64 work using a C++ class object written by PJ Naughter. In the following I will go through how to get and set a picture on an item in NAV through a Web Service Connection. This is to ensure that the data remains intact without modification during transport. If you are not happy with the use of these cookies, please review our Cookie Policy to learn how they can be disabled. There are one-liner convenience methods as well as Input and Output Streams. How can I achieve the same using C#? There is no thread-safe alternative to this function in the C library. option handling library - anyone, anyone? 7. libraries for MIME UUE and yEnc encoding/decoding. Base64 encoding schemes are commonly used when there is a need to encode binary data that needs be stored and transferred over media that are designed to deal with textual data. cos8o Apr 25th, 2018 (edited) 88 Never Not a member of Pastebin yet? Sign Up, it unlocks many cool features! raw download Article purpose This article details how to decode or convert Base64 encoded strings back into Bitmap images by means of extending the string class. This is a very simple implementation of base64 encoding and decoding in C programming language. c base64_encode. Imagine we have data represented as a base64 string. CGI_varlist is a list (lookup table) of CGI variables and/or cookies. It's in no way meant to be a secure encryption method, but it is extremely useful for writing obfuscated strings to either a document (your webpage) or a cookie file without needing to worry about quotes or characters A number of people have asked for guidance on how to transfer data to/from COM and WebServices in NAV 2009. If that really is the case, this should get you started: lua-users wiki: Base Sixty Four I don&#039;t have time to ch Javascript Base64 UTF8 for the Browser / Server. If the info and base64 programs are properly installed at your site, the command info coreutils aqbase64 invocationaq. * * Tom St Denis, base64_decode. base64 c library. a2b_base64 (string) ¶ Convert a block of base64 data back to binary and return the binary data. json11 - json11 is a tiny JSON library for C++11, providing JSON parsing and serialization. Other examples of Base64 encoding are Radix-64 and YUI's Y64 The term itself is somewhat contradictory since Base64 and Binary are two different ways of expressing a number. Pre-convert Unicode strings to ANSI (single-byte/char) before encrypting. data = {"encoded text"} data2 = {"more encoded text"} and such like that, anyways, the only way to tear these apart from normal lines is that the line has a { and } in it. Base64 Encoding/Decoding with the OpenSSL c api. base64 bouncy castle library 1 37 api specification A portable C library of common data types and algorithms (such as linked lists, dynamic arrays, binary trees, stacks and queues, base64 encoder/decoder, MD5). By continuing to use our site, you consent to our cookies. This method is used to convert from one encoding scheme, in which argument string is encoded to the desired encoding scheme. The encoder does not add any line feed (line separator) character. I used this C code as a model for a COBOL program that manipulated base64 encodings. 8. Chilkat Sample Code. MS Visual C/C++ Libs. THE unique Spring Security education if you’re working with Java today. Howto base64 encode with C/C++ and OpenSSL 11 Replies I've been doing a little C programming lately and I have found that if you have a up to date distribution of linux there are a lot of libraries out there that make doing things you do in other languages like java easier. 00001 /* base64. A Base64 Encoder/Decoder: 16. cos8o Apr 25th, 2018 (edited) 88 Never Not a member of Pastebin yet? Sign Up, it unlocks many cool features! raw download base64 This object allows you to encode and decode data to and from the Base64 Content-Transfer-Encoding defined in section 6. The base64, base32, and base16 encodings convert 8 bit bytes to values with 6, 5, or 4 bits of useful data per byte, allowing non-ASCII bytes to be encoded as ASCII characters for transmission over protocols that require plain ASCII, such as SMTP. Generally when binary data needs to be transferred over a medium that transfers solely text it is converted to Base64 first, this is due to the fact that it's a lot more efficient to send "A" than "00000000". It is used to transmit attachments via email over the Simple Mail Transfer Protocol (SMTP). c Log Message: Updated to In computer science Base64 is a group of binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation. The example syntax can be used in any ASP. Can anyone tell me where I can get such library function (C++) Base64 Encode/Decode a String. Symmetric-key algorithms are algorithms for cryptography that use the same cryptographic keys for both encryption of plaintext and decryption of ciphertext. Efficient, stable, fast, secure and extremely well documented. At the end of this article, I'll show a timing/performance comparison chart, and I'll provide links to documentation of the standard library functions. This example uses the . binascii. help me with encryption library and Base64 encoding. function base64_decode Base64 Library. NET Framework 4 Encoding Class to Base64 Encode and Decode a supplied sting in your C# Application. The class can be parameterized in the following manner with various constructors: Base64 encode data is a draft programming task. The claims in a JWT are encoded as a JSON object that is digitally signed using JSON Web Signature (JWS). C++ example to base-64 encode and decode a string. Convert an array of bytes or binary string to the base64-encoding of that string and output that value. The Chilkat encryption component supports Triple-DES in both ECB (Electronic Cookbook) and CBC (Cipher-Block Chaining) cipher modes. The base64. Makefile L7 - the C makefile. module. Now I'm using the following functions to encode/decode binary blocks of data, such as Base64 encoding C library for Unix. With C code it is possible to ask to disregard lines breaks : BIO_set_flags(d,BIO_FLAGS_BASE64_NO_NL); RFC 3548 The Base16, Base32, and Base64 Data Encodings July 2003 o Encoded into structures that place other requirements. Download: We plan to encode/decode application data according to the base-64 schema, but don't wanna implement the schema ourselves. So, in this tutorial, we will make use of a different library, the crypto/base64. Base64 UTF-8 Encoding and Decoding Libraries / Modules for AMD, CommonJS, Nodejs and Browsers. 9. 10. A fast and memory efficient class to encode and decode to and from BASE64 in full accordance with RFC 2045: 17. h file and copy both into your project. This example demonstrates how to decode, compress, and re-encode to smaller base64 representing the compressed data. Chilkat C/C++ Library Downloads. c --- Base64 * 00016 * You should have received a copy of the GNU Lesser General Public 00017 * License License along with GNU SASL Library decode() is a method specified in Strings in Python 2. You need to decode this data (which may have - Selection from C# Cookbook [Book] Well, I was looking for a Base64 library recently, and I thought, “I know, I bet it is in Boost, I have Boost, and Boost has everything. base64 — RFC 3548: Base16, Base32, Base64 Data Encodings¶. Contribute to littlstar/b64. The return value is the converted line, including a newline char. Provides encoding functionality for Base64, quoted-printable, and hex-encoding. Always call close() when done writing data, to ensure proper completion of the encoding operation. Access restriction: The type BASE64Encoder is not accessible due to restriction The type BASE64Encoder is not accessible due to restriction on required library Cryptopals challenge 1 Using binary strings to convert from hex to binary felt kinda hacky. h> #include <string. For more information, see Requests for Comments (RFC) 1521 located on the Request for Comments Web site . In your C source you include the ccgi. Base64 encoding C library for Unix. base64 3 08 with jason seifer from time to time in your programming career you ll need to deal with binary encoding one of the many ways to encode binary . WSQ image library (for Windows 64-bit) costs 253. Nonetheless, that library doesn’t offer a method to decode a base64 string. Cryptopals challenge 1 Using binary strings to convert from hex to binary felt kinda hacky. Don't you now have to send 2 variables to the other party in your communication (to whom you're sending base64 encoded data)? You need to send both the encoding used and the actual base64 data? Isn't it easier if you use a convention on both sides to use the same encoding? That way you'd only have to send base64 data, right? I am wondering which library to use for base64 encoding/decoding? I need this functionality be stable enough for production use. You need to encode this data into a - Selection from C# Cookbook [Book] For a more complete library, see StringView – a C-like representation of strings based on typed arrays (source code available on GitHub). There is a crypt utility in Unix, which is often confused with the C library function. This source code is part of the mbed TLS library and represents the most current version in the trunk of the library. 8 of rfc2045. Sign in Sign up Yea, it works great until you throw Russian or Arabic or Chinese or anything not ASCII at it. @suzanaydin - it doesn't get any easier than this. NOTE: The pad character (=) does not have a binary representation in BASE64; it is inserted into the BASE64 text as a placeholder to maintain 24-bit alignment. Well, I was looking for a Base64 library recently, and I thought, “I know, I bet it is in Boost, I have Boost, and Boost has everything. 5. This works opposite to the encode. Here is How to Use Base64 Encoding on ESP32 Arduino. Base64 itself does not impose a line split, but openssl uses it in PEM context hence enforce that base64 content is splitted by lines with a maximum of 80 characters. I tried to make a simple c++ console program that encodes an ascii text to base64 text and then decode base64 text to ascii, but The example 'C' program below shows how to encode and decode a string using the Base64 algorithm. The length of s, ignoring white-space characters, is not zero or a multiple of 4. 4. Converts the value of an array of 8-bit unsigned integers to its equivalent string representation that is encoded with base-64 digits. Download: (C++) Base64 Encode a File. Return encrypted data as Base64, quoted-printable, or hex-encoded strings. Note: This article is an update that builds upon the article: C# How to: Encoding Bitmaps to Base64 strings Sample source code This article is accompanied by a sample source code… help me with encryption library and Base64 encoding. For each option, I wrote a small wrapper so that I could do testing with uniform parameters. Very small utilities that encode/decodes files into/from base64 respectively. This class implements section 6. Chilkat Blog. 3DES encryption. This standard defines the Base16, Base32, and Base64 algorithms for encoding and decoding arbitrary binary strings into ASCII-only byte strings that can be safely sent by email, used as parts of URLs, or included as part of an HTTP POST request. When I have implemented Crypt Library Demo I had no idea that it can be very easy to transform binary data to plain text; it should NOT be used to encrypt/decrypt sensitive information, such as passwords etc. More than one line may be passed at a time. How can I achieve the same using C#? libb64: Base64 Encoding/Decoding Routines. It can be used within a pipeline as an encoding or decoding filter, and is most commonly used in this manner as part of an automated mail processing system. This encoding is used as a standard to send binary information through network connections or by e-mail. We’re mainly going to illustrate the new Java 8 APIs as well as the utility APIs coming out of The full documentation for base64 is maintained as a Texinfo manual. GitHub Gist: instantly share code, notes, and snippets. Base64. Download base64 file encoder/decoder for free. Contribute to ReneNyffenegger/cpp-base64 development by creating an account on GitHub. Commons Proper is dedicated to one principal goal: creating and maintaining reusable Java components. In Java, we have the common Codec library which gives me an URL safe encoded string. i test aes lib and base64 lib and can make encrypt string but i dont now how to decrypt this string when received in web page with c# . Each Base64 digit represents exactly 6 bits of data. dll will be executed on your PC. Note: This example requires Chilkat v9. MIME, which stands for Multi-Purpose Internet Mail Extensions, is the most common that is seen today. Provides digital signature creation and verification. Base64 is a Public Domain Java class for encoding and decoding Base64 notation. This article presents a class library for encoding/decoding files and/or text in several algorithms in . , 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA convert input data to base64. for Basic authentication), but it won't encode data. base64 c library MFC class for encoding and decoding Base64. h> #include "base64. So let’s fix it. Provides Base64 encoding and decoding as defined by RFC 2045. /* ** MIME Base64 coding examples ** ** encode() encodes an arbitrary data block into MIME Base64 format string ** decode() decodes a MIME Base64 format string into raw data ** ** Global table base64[] carries the MIME Base64 conversion A Base64 library for Arduino. Some of the features of this library: Encoding/decoding text in Quoted Printable Encoding/decoding files and text in Base64 Encoding/decoding files and text in UUEncode Encoding/decoding JSON Web Token (JWT) is a compact URL-safe means of representing claims to be transferred between two parties. In addition to the UTF-8 example I've supplied below, the framework also supports methods for encoding/decoding ASCIIEncoding, UnicodeEncoding, UTF32Encoding, UTF7Encoding and UTF8Encoding. Net or Win32 program. I'm a fan of the C++ Standard Library so mimetic has been built around the standard lib. s contains a non-base-64 character, more than two padding characters, or a non-white space-character among the padding characters. b2a_base64 (data) ¶ Convert binary data to a line of ASCII characters in base64 coding. Base64 Library in C. The Commons Proper is a place for collaboration and sharing, where developers from throughout the Apache community can work together on projects to be shared by the Apache projects and Apache users. . Parameters specify the subset as an offset in the input array, the number of elements in the array to convert, and whether to insert line breaks in the return value. b64: Base-64 Encoding Library (C library with C++ mapping; Platform-independent) b64 is a very small and simple library that provides Base-64 encoding and decoding, according to RFC-1113, in C and C++. Can anyone tell me where I can get such library function base64 RFC1113 Vanilla ANSI-C Code for a portable stand-alone file encode/decode utility. It turned out to be relatively simple in . Dear all, I would like to do the base64 encoding programming in Unix. Uses "The Base64 Alphabet" as specified in Table 1 of RFC 4648 and RFC 2045 for encoding and decoding operation. g. 2. 11. Base64 is a group of similar binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation. Compatibility Note: The XPG standard states that the return value of l64a is undefined if n is negative. For base 16 and base 32, this determines the use of upper- or lowercase alphabets. c and . (C++) Compress and Decompress Base64. I want to achieve Base64 URL safe encoding in C#. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc. dollars for the first license (single developer license) and 19. JSON Voorhees - Killer JSON for C++ jeayeson - A very sane (header only) C++14 JSON library ujson - µjson is a small, C++11, UTF-8, JSON library Base64 encode your data in a hassle-free way, or decode it into human-readable format. libb64 is a library of ANSI C routines for fast encoding/decoding data into and from a base64-encoded format. In this tutorial, we’re going to explore the various utilities that provide Base64 encoding and decoding functionality in Java. It is not yet considered ready to be promoted as a complete task, for reasons that should be found in its talk page . ” And it turns out that it does! Kind of. 0. Encoding Binary Data as Base64 Problem You have a byte[], which could represent some binary information such as a bitmap. MFC example to base-64 encode and decode a string. In the GNU implementation, l64a treats its argument as unsigned, so it will return a sensible encoding for any nonzero n; however, portable programs should not rely on this. Public-key encryption with digital certificates. Demonstrates how to encode a PDF file to base64, and then decode. cpp You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc. */ #include <stdlib. c L6 - the main c file that demonstrates usage of the functionality in the two files above. hello guys . 22. Chilkat Release Notes This blog provides information on how to upload document in document library, using JSOM (ECMA script) in SharePoint 2013. dll Module on your PC, the commands contained in base64. I recently had the need to convert simple strings back and forth from Base64 encoding. Note: The characters are directly written to the ostream's streambuf, thus bypassing the ostream. Just take the above referenced . Net, C#. License: Public Domain. libb64: Base64 Encoding/Decoding Routines. If you start the software base64. That's all you need to do. Base64 encoding of images for CSS is highly discussed on our blog. Base64 implementation in C. You can still manipulate binary data if you encode it beforehand, and the C CGI library has functions for encoding/decoding base64 and hexadecimal. 12. AES (Advanced Encryption Standard) is a symmetric-key encryption algorithm. 66 or greater. libcurl base64-encodes control data in a few places automatically when required (e. Note: This article is an update that builds upon the article: C# How to: Encoding Bitmaps to Base64 strings Sample source code This article is accompanied by a sample source code… > Curl_base64_encode() > Curl_base64_decode() > > Do I need to use them explicitly, or there is some other way of using it too. BASE64 characters are 6 bits in length. Learn more. h" static const unsigned char base64_table[64] Editor: This library implements the Base64 encoding system as it is defined in RFC 2045: Multipurpose Internet Mail Extensions (MIME), Part One: Format of Internet Message Bodies. Basic. dll is an executable file on your computer's hard drive. FromBase64String() Converts the specified string, which encodes binary data as base-64 digits, to an equivalent 8-bit unsigned integer array. c --- Base64 * 00016 * You should have received a copy of the GNU Lesser General Public 00017 * License License along with GNU SASL Library 2. Apache Commons Proper. What are you talking about, this isn't for text, it's for binary. (C++) Generate Salt in Hex or Base64 Format Demonstrates how to generate a cryptographic salt value and get the result as hex or base64. I used memcpy() and pointer to the end of the str Chilkat C/C++ Library for C++ Builder. Don't you now have to send 2 variables to the other party in your communication (to whom you're sending base64 encoded data)? You need to send both the encoding used and the actual base64 data? Isn't it easier if you use a convention on both sides to use the same encoding? That way you'd only have to send base64 data, right? was working on. For base 64, the non-alphanumeric characters (in particular "/") may be problematic in file names and URLs. e. In this tutorial we will demonstrate how to encrypt plaintext using NSOA: Base64 Library Script + Example. dollars per every additional license (client computer), which is the lowest price on the market. Referenced By ascii85(1), virt-inspector2(1) Relationship to Unix crypt utility. Download: Konvertiert den Wert eines Arrays von 8-Bit-Ganzzahlen ohne Vorzeichen in die entsprechende mit Base-64-Ziffern codierte Zeichenfolgendarstellung. A base64 library for the arduino platform, written in C - adamvr/arduino-base64. Convert. Posted By: rengber on April 27, 2011 . The Base64 encoding is designed to represent arbitrary byte sequences in a text form comprised of the 65 US-ASCII characters ([A-Za-z0-9+/=]) where each character encodes 6 bits of the binary data. cristi92b. Main. NET. I'd like to hear if there are better ways to do that. Each base64 digit represents exactly 6 bits of data. C++ Example Programs: file_to_code_ex. C/C++ library to parse MIME content in HTTP. Compilation has been tested on a linux ubuntu distribution, and links with lcrypto for opensll L8 and lm for math. Parameters Article purpose This article details how to decode or convert Base64 encoded strings back into Bitmap images by means of extending the string class. Net, VB. Contribute to agdl/Base64 development by creating an account on GitHub. Base64 Encoding Base64 Decoding Note the following: It is important to set the flag BIO_FLAGS_BASE64_NO_NL. cpp I am guessing that by "base64 library in Lua" you actually mean a pure Lua implementation of the Base64 encoding/decoding functions. If your application requires base64-encoded data, it will need to be so encoded Here Mudassar Ahmed Khan has explained with an example, how to convert Image file to Base64 encoded string in C# and VB. Base64 encode/decode. Base64 is not new to our regular readers but the current application is different. base64 uses PEM 80 characters per line . There is no thread-safe alternative to this function in the C library. To start with, I didn’t really have a clue how to plug Provides hashing functionality for both strings and binary data using SHA1, SHA384, SHA512, MD2, MD5, and HAVAL. (C++) Base64 Encode a File. Encoding and decoding a string in Base64 with JavaScript can be quite handy. Overview: libb64 is a library of ANSI C routines for fast encoding/decoding data into and from a base64-encoded format. The term Base64 originates from a specific MIME content transfer encoding. They are formed by taking a block of three octets to form a 24-bit string, which is converted into four BASE64 characters. libb64, OpenSSL Base64, Apple’s Implementations, arduino-base64 etc. Something similar might be done in Lua, perhaps using real coroutines, or you could bind directly to this library (or just use the base64 routines in luasocket mentioned above). Sign in Sign up base64 is a command line utility which encodes and decodes files in this format. If you want, you can create a separate project explicitly for building base64