Base32 and Base16
04Different group sizes create different alphabets and expansion ratios.
Related RFCs and changes
“Updates” changes part of an earlier RFC. “Obsoletes” replaces it. This list shows selected related documents.
DIAGRAM§ 6 ↗
RFC 4648 · § 6EXAMPLE
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03
Compare Base32
A different five-bit grouping needs its own alphabet and final-group rules.
Protocol participantThreat or exceptionProtocol controlSimplified drawings · precise section references
Read the updated RFC section ↗
Base32 maps five-bit groups to 32 symbols.
- Base32 maps five-bit groups to 32 symbols.
- Base32hex uses the extended-hex alphabet of §7.
- Base16 maps each four-bit nibble to a hexadecimal character and needs no padding.
Examples are illustrative. Consult the linked RFC and its errata for implementation details.
Read the RFC section ↗Diagrams simplify the RFC. Read the linked sections for complete requirements.
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