Python base64 decode
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This encoding scheme has 64 characters that help in representing numbers.
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The name of Base64 encoding has been derived directly from this mathematical definition of bases. In discrete and non-discrete mathematics, the base of a number system signifies how many different characters or elements are used to represent any number. This encoding scheme is not at all related to cryptographic encryption. When a conversion takes place from Base64 characters to binary, all its characters are represented in 6 bits of information. Define the Base64 Encoding Scheme.īase64 is a type of conversion standard or conversion scheme that turns bytes having binary or text data into ASCII formats or characters. In this article, you will understand these encoding schemes and how to make them work with simple Python programs. Files that have binary data format or bytes that have non-text information such as images get easily corrupted when transferred and treated by text-only systems. It means the PDF having images is not readable from the server's end as the file format does not support it. It can happen when your email server was specifically meant or designed to handle text data. The major drawback is that each decoded word can be encoded easily through any online tool and intruders can easily get the information.If you have ever received any PDF via email and found that some of the texts are non-readable or are difficult to understand its strange characters, due to mixing up with symbols, then do not worry. When you encode data in Base64, you start with a sequence of bytes and convert it to a text string.īase64 algorithm is usually used to store passwords in database. When you encode text in ASCII, you start with a text string and convert it to a sequence of bytes. You can observe the following differences when you work on ASCII and base64 for encoding data − The code for base64 decoding gives you the following output − Difference between ASCII and base64 You can use the following piece of code to perform base64 decoding −ĭecoded_data = base64.b64decode("RW5jb2RlIHRoaXMgdGV4dA=") The code for base64 encoding gives you the following output − Program for Decoding You can use the following piece of code to perform base64 encoding −Įncoded_data = base64.b64encode("Encode this text") Python includes a module called BASE64 which includes two primary functions as given below −īcode(input, output) − It decodes the input value parameter specified and stores the decoded output as an object.īase64.encode(input, output) − It encodes the input value parameter specified and stores the decoded output as an object. Base64 is also called as Privacy enhanced Electronic mail (PEM) and is primarily used in email encryption process. Decryption of Simple Substitution Cipherīase64 encoding converts the binary data into text format, which is passed through communication channel where a user can handle text safely.