The Base16, Base32, and Base64 Data Encodings
RFC 3548, “The Base16, Base32, and Base64 Data Encodings”, is an Informational document published in July 2003 by S. Josefsson. It has been obsoleted by RFC 4648 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This document describes the commonly used base 64, base 32, and base 16 encoding schemes. It also discusses the use of line-feeds in encoded data, use of padding in encoded data, use of non-alphabet characters in encoded data, and use of different encoding alphabets. This memo provides information for the Internet community.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
The canonical text of RFC 3548 is hosted at rfc-editor.org. Available in TXT,HTML.
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- RFC 3546 Transport Layer Security Extensions
- RFC 3550 RTP: A Transport Protocol for Real-Time Applications
- RFC 3545 Enhanced Compressed RTP for Links with High Delay, Packet Loss and Reordering
- RFC 3551 RTP Profile for Audio and Video Conferences with Minimal Control
- RFC 3544 IP Header Compression over PPP
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