https://github.com/rithingithub/cryptography

Base64
https://github.com/rithingithub/cryptography

Last synced: 10 months ago
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Base64

• Host: GitHub
• URL: https://github.com/rithingithub/cryptography
• Owner: Rithingithub
• Created: 2021-12-02T13:15:04.000Z (over 4 years ago)
• Default Branch: main
• Last Pushed: 2021-12-02T14:44:45.000Z (over 4 years ago)
• Last Synced: 2025-08-21T05:54:32.828Z (10 months ago)
• Language: Shell
• Size: 6.84 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

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README

          
# Cryptography

## Base64

In programming, 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 representation. The term Base64 originates from a specific MIME content transfer encoding. Each non-final Base64 digit represents exactly 6 bits of data. Three bytes (i.e., a total of 24 bits) can therefore be represented by four 6-bit Base64 digits. 


Base64 is also widely used for sending e-mail attachments. This is required because SMTP—in its original form—was designed to transport 7-bit ASCII characters only. This encoding causes an overhead of 33–36% (33% by the encoding itself; up to 3% more by the inserted line breaks).

  

  ![index](https://user-images.githubusercontent.com/74766580/144443645-dc310c28-332c-4954-8e73-dea3b461f864.png)