[ Keep your favorite Git commands, aliases, and Apr 19, 2024 · Java 8 has added java. Oct 14, 2008 · The base64 is a binary to a text encoding scheme that represents binary data in an ASCII string format. This is helpful because every hour Jun 22, 2023 · Overview of Encoding and Decoding. Reduced this fraction is 3 bytes over 4 characters. You need to import java. Examples include passing data through URLs, XML, or JSON data, all of which are plain text sort of formats that don't otherwise permit or Oct 18, 2021 · Explanation: In above code we called Base64. As it turned out, all the scripts I saw here convert Cyrillic Base64 to iso-8859-1 encoding. The process is the same and uses the standard decoder from the package to decode the string. To decode Base64 data Oct 23, 2023 · Base64 encoding allows binary data to be transmitted or stored in environments that only support text. This method accepts a string as input and returns its Base64-encoded version. In your browser’s web developer console, define the string, encode it, and display the encoded string: // Define the string var decodedStringBtoA = 'Hello World!'; // Encode the String var encodedStringBtoA = btoa( decodedStringBtoA); The output of this code is a Jan 27, 2012 · What is base64 encoding/decoding and how we can benefit from this representation. Meet Base64 Decode and Encode, a simple online tool that does exactly what it says: decodes from Base64 encoding as well as encodes into it quickly and easily. byte [] actualByte= Base64. Encoder) and decoders (Base64. It is often used to transmit data over networks or store it in a text file, and is also used to include small images in text documents. Conversion from bytes to base64 text is called encoding. Base64 is an encoding and decoding technique used to convert binary data to an American Standard for Information Interchange (ASCII) text format, and vice versa. Let us see the example you will understand clearly. Decode Basic Base 64 format to String. This can be UTF-8, UTF-16, or any other encoding that's able to represent the original string. txt. Then to decode it back to original UTF-8 text: Mar 4, 2024 · What is Base 64? Base 64 is defined as an encoding and decoding technique to convert binary data to an American Standard for Information Interchange (ASCII) text format, and vice versa. It accepts as input a Base64-encoded string and returns the original binary data. To decode a Base64 encoded string, use --decode or the -d flag of the Base64 utility. To convert an image using Base64 encoding, append the path of the image after base64 command. It is commonly used to encode binary data in situations where text representation is required, such as sending images or other media files in an email message. Apr 11, 2022 · Here are the decimal values and their Base64 alphabet. For example, I just did a quick Java service like this. The | set /p= is to suppress the newline that echo usually outputs. This class consists exclusively of static methods for obtaining encoders and decoders for the Base64 encoding scheme. The encoded string will contain only “A-Za-z0-9+/” these characters set and considers the new line character as line breaker in decoding. Jan 16, 2012 · Yes. It has two nested classes to work with the encoding and decoding process. It encodes binary data in a printable ASCII string format. Jan 6, 2024 · What is Base64? Base64 Algorithm. An additional pad character is allocated which may be used to force the encoded output into an integer multiple of 4 characters (or equivalently when the unencoded binary text is not a multiple of 3 bytes) ; these padding characters must then be discarded when decoding but still allow the calculation of the effective length of the unencoded text Sep 14, 2022 · With Command Line. In a new file called decoding_text. This takes encoded. Encoding prevents the data from getting corrupted when it is transferred or processed through a text-only system. However, the performance impact is generally minimal for small to moderate amounts of data, and the benefits of having a more readable format often Sep 8, 2020 · 4. When you need to convert binary data, like as images or files, into a textual representation that can be safely used in text-based formats like HTML, CSS, or XML Sep 7, 2023 · The encode() method would encode the input into a byte array. getBytes()); return (new String(bytesEncoded)); } Then, the encoded string is stored on disk using UTF-8. getEncoder(). Decoding reverses the encoding process to reconstruct the original data. The term is especially applicable to radio (wireless) communications systems. In this article, we will discuss about Base64 encoding and decoding and its uses to encode and decode binary and text data. getDecoder (). Encoder class provides the following methods to support the encoding process: May 5, 2016 · If you have OpenSSL for Windows installed you can use this to encode the string "Hello": echo | set /p="Hello" | openssl base64. Dotnet and Powershell. require "base64" encoded = Base64. Download or copy the result from the “Base64” field. All base64 characters can be represented in 6 bits, 2 bits short of a full byte. We can represent base64 encoding versus the byte paradigm as a fraction: 6 bits per character over 8 bits per byte. I am sure that there you will find additional useful knowledge. Base64 Encoding and Decoding in C. This is because it is a well-known and well-defined standard that is extremely straightforward to implement. It defines Base64, how it works, and how it can be used as a binary-to-text encoding method. It is just an encoding algorithm. Decoding a Base64 string is essentially a reverse of the encoding process. Many communication protocols like SMTP, NNTP were traditionally designed to work with plain text data represented by the 7-bit US-ASCII character set. Jul 20, 2023 · Here is how you can do Base64 encoding and decoding in JavaScript: To encode data to Base64: The btoa () function encodes the given string or binary data to a Base64 string. Base64. encodeToString()method for encoding the specified byte array into a Base64 encoded string and Base64. g images) as text. If necessary, select the desired output format. The encoded data is less secure. Jan 10, 2024 · When to Use Base64 Encoding. encode(input, output) − It encodes the input value parameter specified and stores the decoded output as an object. Then the underlying service stack will encode the byte array to a base64 string. Again, the decode() method works with a byte array and decodes the Base64 string into the original one: byte [] bytes = decoder. Base64 utility class. The = is padding. To encode any string, we can use the encodeToString () method of Encoder class which is an Base64 does not fit evenly into the byte paradigm (nor does base32), unlike base256 and base16. atob( encodedData); // Decode. By ensuring that the data is not interpreted as special control Feb 9, 2013 · Base64 is an encoding and decoding technique used to convert binary data to an American Standard for Information Interchange (ASCII) text format, and vice versa. decode(encodedUrl); Running this code yields: Note: Three special characters are available in this schema: +, /, =. @WebMethod(operationName = "TestByteArray") public void testByteArray(byte[] data) {. Base64 encoding increases the size of the data by about 33% and is not a secure method of encoding data, as it Type the text, paste the URL, or select a file from your computer. You can use these methods at the following levels. Note that, Base64 should not be confused with encryption or compression techniques. 334. True, however there's a case for encoding a string. Base64 encoding is used when any binary data needs to be transmitted over a media that is designed to handle only textual data. Now that you understand how Base64 encoding works, you can work with it at the command line. Java provides a class Base64 to deal with encryption. You can use the base64 command-line utility to encode and decode files or standard input. – Java offers the `java. It is used to transfer data over a medium that only supports ASCII formats, such as email messages on Multipurpose Internet Mail Extension (MIME) and Extensible Markup Language (XML) data. Base64 decoding, at its core, is the process of converting Base64-encoded data back to its original binary format. Program for Encoding You can use the following piece of code to perform base64 encoding − Base64 is a generic term for a number of similar encoding schemes that encode binary data by treating it numerically and translating it into a base-64 representation. We then convert the bytes-like object into a string. Encoding: Binary data is split into 3 byte chunks, converted to 4 Base64 characters. It converts the Base64 encoded data back to binary data. Encoding and Decoding of String in Java using base64 is extremely Feb 26, 2020 · Decode data using the base64 package. g. Note that in a language like Python 2. This will produce the same result as the following in bash: echo -n 'Hello' | openssl base64. May 1, 2021 · The Base64class consists of static methods for obtaining instances of encoders (Base64. OpenSSL is a robust, open-source cryptography library that provides various encryption, decryption, and encoding functionalities, including Base64 encoding and decoding. The encoding scheme is reversed in this process, and characters from the set of 64 ASCII characters are transformed into binary representations. AES, RSA, and Blowfish. For example, to encode the previous example: $ echo Hi | base64 SGkK. Base64 is a way to encode binary data, while UTF8 and UTF16 are ways to encode Unicode text. ). The Base64 term originates from a specific MIME-content transfer encoding. May 1, 2021 · Base64 is commonly used in a number of applications, including email via MIME and storing complex data in XML. Common examples of encoding include encryption, Huffman coding, and Base64 encoding, while common examples include decryption, Huffman decoding, and Base64 decoding. Here Base64 encoding works by converting every three bytes of input data into four ASCII characters. Decoder) for the Base64 encoding scheme. Encoder. Binary data is represented as an ASCII string. Each of these 3 Bytes are mapped to 64 different characters (a-z, A-Z, 0-9, "+", "/" - thus you get name BASE64). So the steps of Base64 decoding can be described as follows: Each character in the string is changed to its Base64 decimal value. decode64(encoded) # "Ruby on Rails" May 9, 2023 · The encoding process involves dividing the binary data into 24-bit groups (3 bytes) and then converting each group into a 4-character string. Base64 decoding is the inverse process of encoding. Recommended: AES Encryption in Golang. a whole multiple of 3 for BASE64_ENCODE. The following example demonstrates how to use OpenSSL’s BIO functions to encode binary data into Base64 format in C++. Mar 19, 2024 · Base64 encoding and decoding functionality are typically provided as built-in or library functions in most programming languages. Base64 is implemented the same way. Typically, Base64 encoding is used to encode binary data for transmission over text based media without changing the original byte stream. It is used to transfer data over a medium that only supports ASCII formats, such as email messages on Multipurpose Internet Mail Extension (MIME) and Extensible Markup Language (XML) Jan 31, 2024 · Base64 encoding allows encoding binary data as text strings for safe transport, at the cost of larger data size. The encoding uses various algorithms to decrease the size of the file or the resource, whereas decoding is the process of reverting the encoded content of the file to its actual size. Base64 is a binary-to-text encoding scheme that is commonly used to represent binary data as text characters. Decoder; The Base64. You can convert Bytes into Base64 String representation, this allows you to Save e. txt > decoded. The implementation of this class supports the following types of Base64 as specified in RFC 4648 and RFC 2045 . The decoding is really easy. Base64 is a generic term for a number of similar encoding schemes that encode binary data by treating it numerically and translating it into a base-64 representation. In order to achieve no padding while encoding, you can use StdEncoding. btoa('B64Encode'); // Encode var decodedData = window. In terms of mathematics, the base of a number system means how many different characters represent numbers. Thus, to restore the Cyrillic alphabet, it is enough to do an additional transcoding of the text from iso-8859-1 to windows-1251. getEncoder () - convert String to byte array, use StandardCharSet. It seems that module does not work. " Example: Base64 Encoding with OpenSSL. Base64 relies on an encoding algorithm that describes some simple steps of converting data to Base64. Base64 encoding is a binary-to-text encoding/decoding scheme. Here's a simplified explanation of the process: The Base64 alphabet consists of 64 characters: A-Z, a-z, 0-9, + and /. It serves as padding. base64 is designed to carry data stored in binary format across the channels. Similarly, HTTP does not allow all characters to be transmitted safely, so it may be necessary to encode data using base64 (uses only letters, numbers and two safe characters). Base64 is meant to encode binary data (e. The encoding process converts binary data to a printable ASCII string format. For example, to encode a UTF-8 text file: base64 original. Base64 decoding is the opposite of Base64 encoding. Base64 is a way to encode binary data into an ASCII character set known to pretty much every computer system, in order to transmit the data without loss or modification of the contents itself. When encoding or decoding, the emphasis is placed on everyone having the same algorithm, and that algorithm is usually well-documented, widely distributed and fairly Mar 28, 2022 · Base64 encoding and decoding capabilities were added in java8 via the java. This means that, for example, when decoding the values “QQ==”, “Qq==”, “qq==”, and “qQ==” four different results are obtained. Encoding and decoding are used in data communications, networking, and storage. If necessary, choose the output character encoding of the text data. It is commonly used when there is a need to transmit binary data over a communication medium that do not correctly handle binary data and is designed to deal with textual data only. util. To decode an encoded file back to the original text, use base64 decoding: base64 -d encoded. Base64is a encoding algorithmthat allows you to transform any characters into an alphabet which consists of Latin letters, digits, plus, and slash. py, write the following code: import base64. NoPadding) to build an encoder that does not append any kind of padding character. Encoding strings in Base64 makes no sense. You should not use Base64 encoding as a means to hide sensitive data. In addition, the article defines a shell as a command-line interface application and examines Bash, a prominent Unix-like shell. 509 parsing, changing character encodings, and much Nov 17, 2020 · Base64 Algorithm. Uses "The Base64 Alphabet" as specified in Table 1 of RFC 4648 and RFC 2045 for encoding and decoding operation. 5/5. To figuratively understand why Mar 14, 2011 · Base32 encoding (and Base64) encoding is motivated by situations where you need to encode unrestricted binary within a storage or transport system that allow only data of a certain form such as plain text. Here is the Ruby code that takes some text as input and converts it into Base-64 encoded string. "a" becomes 26, "G" is 6 after mapping. Multiply by The base64_encode function in PHP is a core function that provides an easy way to execute Base64 encoding. 141. It explains and provides examples of how to use the base64 command in Bash to conduct Base64 encoding and decoding. Decoder. WithPadding (base64. The following program uses Base64. Conversion from base64 text to bytes is called decoding. Example: Code DCODE which is written 01100100 01000011 01101111 01100100 01100101 in binary ( ASCII code) Base64 encryption begins by splitting the message into groups of 6 bits, supplemented with 0 if necessary. txt, decodes the base64 text, and saves the output to decoded. decode()method for decoding back the Jan 3, 2023 · The encryption key is required to decrypt the data and get the original data. Microsoft's Dotnet framework has support for encoding and decoding bytes to base64. In conclusion, Base64 encoding is a way to represent binary data in ASCII text format. Rating: 4. What is Base64 and How Does It Work? Base64 is a binary to text encoding scheme. C# provides support for Base64 Encoding and Decoding capabilities in System. Base64 encoding is generally achieved by splitting a stream or block of data into 6-bit fragments and interpreting each fragment as the position in the Aug 5, 2010 · What this should allow for, is your [WebMethod] parameter to be a byte[]. This function, which stands for “ ASCII to binary ,” is the inverse of the btoa() function . an Image as a (Base64) String. The encrypted data is more secure. It’s an encoding mechanism that’s typically used when there’s a need to encode binary data, especially when that data needs to be stored and transferred over media that are designed to deal with textual data. These strings must also be divisible by 4 to be well-formed. Base64 encode your data without hassles or decode it into a human-readable format. If necessary, select the Base64 standard used to encode the data. Base64 encoding schemes are commonly used when there is a need to encode binary data, especially May 7, 2015 · Encoding and Decoding Native Strings Binary Encoding. In this comprehensive guide, we‘ll explore all facets of base64 encoding/decoding including: Background on Base64 and how it works Syntax options and examples Use cases for encoding/decoding on Linux Security […] May 8, 2024 · Using WithPadding function, Golang can encode and decode Base64 data without padding characters. Jul 4, 2023 · Encoding is used to protect data during transmission or storage, while decoding is used to retrieve the original data. Developers, on the other hand, can easily add this feature by utilizing external libraries. Decoder) for the Base64 Sep 4, 2023 · Decoding Strings with Python. Padding is typically done using ‘=’ characters at the end of the string, and it helps in proper decoding to reconstruct the original binary data accurately. Java 8 Base 64 Simple Encoding and Decoding. They work with a 65-character subset of US-ASCII where each of the first 64 characters maps to an equivalent 6-bit binary sequence. In computer programming, Base64 is a group of binary-to-text encoding schemes that transforms binary data into a sequence of printable characters, limited to a set of 64 unique characters. Design The particular choice of characters to make up the 64 characters required for Base64 varies Apr 15, 2024 · Let’s say you have a string, "Hello World!", and wish to encode it to Base64. In other words, it is carried out by reversing the steps described in the previous section. It’s designed to carry data stored in binary format across the channels, and it takes any form of data and transforms it into a long string of plain text. Go provides built-in support for Base64 encoding and decoding How to perform base64 encoding/decoding. I have the following piece of Base64 encoded data, and I want to use the Python Base64 module to extract information from it. It is strange that no one noticed this. This gives us a 4:3 ratio, meaning there is 33% overhead for base64. Base64 encoding is a method of representing arbitrary binary data using a 64-character subset of ASCII characters. Four of these form 24bits, that will be divided into three 8bit pieces. Wikipedia says. Those are the actual ASCII values of the original characters, after decoding all, if there is padding that is discarded from the end and we're About. For example: – In Python, the `base64` module provides functions for encoding and decoding Base64 data. Base64 In order to encode a string in Base64 using this Encoder follow the below steps. Base64 Decoding. txt > encoded. It takes any form of data and transforms it into a long string of plain text. After restarting the application, the encoded string is readed from disk and I'm trying to decode the Base64 encoding is a form of obfuscation, which simply means to render unclear. Base64 schemes represent binary data in an ASCII string format (English alphabet, common punctuation chars, control chars) by translating it into a base-64 representation. byte[] bytesEncoded = Base64. Design The particular choice of characters to make up the 64 characters required for Base64 varies May 31, 2021 · “CyberChef is a simple, intuitive web app for carrying out all manner of "cyber" operations within a web browser. Certain specific standards, such as Base64, are widely used for the industry’s encoding and decoding process. For many applications, this is sufficient encryption where the goal is simply to mangle any clear text sent over a wire, for example. ASCII Table; Next, check the sitemap. Before we can convert a Unicode string to Base64 we need to decide on a binary encoding for that string. "One case in which padding characters are required is concatenating multiple Base64 encoded files. Base64 encoding is a popular method for encoding binary data for transmission or storage. I think at least you’ll be interested in reading about the Base64 Standards and Data URI. Thanks to it, you can convert Chinese characters, emoji, and even images into a “readable” string, which can be saved or transferred anywhere. This class provides three different encoders and decoders to encrypt information at each level. We then serialize that data and on the other end we deserialize that data and we reconstruct the same string that we originally had (string object doesn't hold the information about encoding used anyway). Encoder; Base64. Padding: In Base64 encoding, padding is often used to ensure that the length of the encoded string is a multiple of 4. This basically means that all kind of characters (ASCII, UTF8, UTF16…) with control Characters of the Base64 alphabet can be grouped into four groups: It is very important to note that the Base64 letters are case sensitive. Feb 6, 2023 · Conclusion. The = character is used for padding when the input data's length is not divisible by 3. Encoder using getEncoder () and then get the encoded string by passing the byte value of actualString in encodeToString () method as parameter. - get the Basic encoder by calling Base64. Base64 is not an encryption or compression scheme. encode64("Ruby on Rails") # "UnVieSBvbiBSYWlscw==\n" decoded = Base64. Dec 16, 2022 · Base64 is a binary to a text encoding scheme that represents binary data in an American Standard Code for Information Interchange (ASCII) string format. encode(string. Jun 27, 2023 · Encoding is a technique where the data is transformed from one form to another. To convert a string into Base64 encoding, at first echo the value and pipe the output into Base64 command. <!----->. It‘s implemented in Linux through the flexible base64 command. For a better understanding, I grouped all characters into the Jun 19, 2019 · A base64 string is pretty easy to identify: There are 64 characters in the Base64 “alphabet”, and an encoded string will contain a mixture of uppercase and lowercase letters, numbers, and sometimes an “=” or two (never more than two) at the end. Then, divide by 3 to get the number of 3 byte blocks. package main import ( "encoding/base64" "fmt" ) func main () { data What is Base64 Encoding? How does Base64 encoding and decoding work? Rajeev Singh 3 mins. In this post, we are going to use the base64 encoder and decoder to create and use one of Base 64 encoding requires binary input/data (for text, binary values depend on the encoding used, often ASCII or Unicode ). It is commonly used when there is a need to encode binary data that needs to be stored or transferred via media that are designed to deal with textual data (like transporting images inside an XML, JSON document, etc. By ensuring that the data is not interpreted as special control In addition to encoding, JavaScript includes an atob() function for decoding Base64-encoded strings. It is simply some C++ wrappers I wrote: buffer base64::encode( const buffer& data ) { // bio is simply a class that wraps BIO* and it free the BIO in the destructor. For example, mail systems cannot deal with binary data because they expect ASCII (textual) data. One such library is OpenSSL, which offers complete support for cryptography and data encoding activities, including Base64 operations. Nov 18, 2017 · In Base64 encoding, 3 binary bytes are represented as 4 characters. Go supports base64 encoding and decoding out of the box. May 12, 2010 · Base64 Win-1251 decoding for encodings other than acsi or iso-8859-1. Here’s a step-by-step explanation of how Base64 . decode (encodedString); String actualString= new String (actualByte); Nov 27, 2013 · Base64 is a encoding/decoding scheme as stated in your link. BASE64 encoding takes 3 Bytes of input stream and converts it to 4 * 3 Bytes. eg if you are using json in your applications but you need to process external messages that are using a different format. Feb 8, 2022 · Base64 is a group of binary-to-text encoding schemes that represent binary data (more specifically, a sequence of 8-bit bytes) in an ASCII string format by translating the data into a radix -64 May 27, 2020 · The decoder checks the Base64 table to get the number value of the Base64 characters back. Base64 encoding is also relatively efficient, adding only 33% overhead to the original binary data. May 16, 2021 · #kkhindigyan #JavaTutorialInHindiAbout this Video:In this video, We will learn about Java 8 Base64 Encoding and Decoding With ExamplesFollow me on Social net Oct 23, 2022 · Decoding is the opposite process — the conversion of an encoded format back into the original sequence of characters. - call the encodeToString (byte []), result is your base 64 encoded String. Convert utility class, which consists of static methods for obtaining instances of encoders (Base64. A more complete answer is that a base64 encoded string doesn't always end with a =, it will only end with one or two = if they are required to pad the string out to the proper length. We have an online Base64 encoder, you can check Jul 31, 2012 · We encode the string into the bytes using UTF8 representation, which can represent all the possible string characters. In this article, we will delve into the essence of Base64 in the context of jQuery, and show how it can be Dec 6, 2017 · Base64 relies on simple encoding and decoding algorithms. Base64 in your source file to use its methods. To learn how Base64 encoding and decoding work May 26, 2020 · The Base64 encoding is used to convert bytes that have binary or text data into ASCII characters. – JavaScript Alternatively, you can use JavaScript’s built-in btoa() and atob() functions for Base64 encoding and decoding respectively: var encodedData = window. Mar 8, 2019 · I encode it doing this: public static String encryptString(String string) {. Output: SGVsbG8=. Encryption is a technique used for protecting the confidentiality of the data. More specifically, the source binary data is taken 6 bits at a time, then this group of 6 bits is mapped to one of 64 unique characters. Decoding: Base64 text is converted back 4 chars at a time to the original binary data. ASCII, UNICODE, URL encoding, Base64. This is a bit different from how other encodings/decodings are named. Base64` class for Base64 Conversion and decoding operations. It does this by encoding binary data in a way that ensures safe transmission and storage across various systems and protocols that may not handle raw binary data effectively. I think I’m not mistaken if I say that the simplicity of the algorithm was one of the reasons why Sep 27, 2010 · 1. These operations include simple encoding like XOR or Base64, more complex encryption like AES, DES and Blowfish, creating binary and hexdumps, compression and decompression of data, calculating hashes and checksums, IPv6 and X. To get the number of base64 characters needed for a given binary data blob, take the length of input and round up to the nearest multiple of 3. This can impact performance, especially when dealing with large amounts of data. x, where binary data and strings are mixed, you can encode strings into base64 or utf8 the same way: But in languages where there's a more well-defined separation between the two types of data, the two ways of Base64 is an encoding algorithm used to alter text and binary streams into printable and easy-to-process form to be consumed by various programs as well as transmitted over the network. It can easily be decoded. Base64 for Base-64 encoding and decoding purposes. Hashing is a technique where the data is converted to hash using different algorithms present there. Base64 is a binary-to-text encoding scheme. We decode the Base64 string into bytes of un-encoded data. In order to decode just reverse the process, get Oct 8, 2017 · Here is an example of OpenSSL base64 encode/decode I wrote: Notice, I have some macros/classes in the code that I wrote, but none of them is important for the example. Encoding; Decoding; Base64 Characters; More. You can encrypt and decrypt your data by using provided methods. The Format of the Data doesn´t matter at all (you can convert jpg, png, gif), this means you encode Bytes to a String and then if you decode this String you get Jun 3, 2023 · A: Encoding and decoding Base64 data has some overhead, as it increases the size of the data by approximately 33%. The encryption key is not required to decrypt the data and get the original data. Press the “Encode to Base64” button. Base64 encoding and decoding are not incorporated into the C programming language. Aug 10, 2022 · Encode and decode Base64 at the command line. Oct 23, 2023 · All programming languages have support for encoding and decoding data to and from the Base64 format. Ensure that value of substring_length is a whole multiple of 4 for BASE64_DECODE, resp. UTF_8 instead of "UTF-8" String. And of course, since this is a reversible algorithm, you can decode Base64 into original data by simply reversing these steps. The decoding process converts the encoded string back to binary data. This is a simple encoding technique in the Base64. Encryption is used for preserving the usability of the data.
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