rfc9804v2.txt | rfc9804.txt | |||
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skipping to change at line 467 ¶ | skipping to change at line 467 ¶ | |||
* an (optional) decimal length of the octet-string | * an (optional) decimal length of the octet-string | |||
* a vertical bar "|" | * a vertical bar "|" | |||
* the base-64 [RFC4648] encoding of the octet-string. | * the base-64 [RFC4648] encoding of the octet-string. | |||
* a final vertical bar "|" | * a final vertical bar "|" | |||
Base-64 encoding produces four characters of output for each three | Base-64 encoding produces four characters of output for each three | |||
octets of input. If the length of the input divided by three leaves | octets of input. When the length of the input is divided by three: | |||
a remainder of one or two, it produces an output block of length four | ||||
ending in two or one equals signs, respectively. These equals signs | * if the remainder is one, it produces an output block of length | |||
MUST be included on output, but input routines MAY accept inputs | four ending in two equals signs. | |||
where one or two equals signs are dropped. | * if the remainder is two, it produces an output block of length | |||
four ending in one equals sign. | ||||
These equals signs MUST be included on output, but input routines MAY | ||||
accept inputs where one or two equals signs are dropped. | ||||
Whitespace inserted in the midst of the base-64 encoding is ignored. | Whitespace inserted in the midst of the base-64 encoding is ignored. | |||
It is an error to have characters other than whitespace and base-64 | It is an error to have characters other than whitespace and base-64 | |||
characters. | characters. | |||
Here are some examples of base-64 encodings: | Here are some examples of base-64 encodings: | |||
|YWJj| -- represents "abc" | |YWJj| -- represents "abc" | |||
| Y W | | Y W | |||
J j | -- also represents "abc" | J j | -- also represents "abc" | |||
skipping to change at line 1093 ¶ | skipping to change at line 1097 ¶ | |||
* The Inferno implementation [Inferno] | * The Inferno implementation [Inferno] | |||
* Small Fast X-Expression Library [SFEXP] | * Small Fast X-Expression Library [SFEXP] | |||
* S-expression Processor [SEXPP] in Ruby | * S-expression Processor [SEXPP] in Ruby | |||
* Canonical S-expressions [CANON2] (OCAML) | * Canonical S-expressions [CANON2] (OCAML) | |||
Acknowledgements | Acknowledgements | |||
Special thanks to Daniel K. Gillmore for his extensive comments. | Special thanks to Daniel K. Gillmor for his extensive comments. | |||
The comments and suggestions of the following are gratefully | The comments and suggestions of the following are gratefully | |||
acknowledged: John Klensin and Caleb Malchik. | acknowledged: John Klensin and Caleb Malchik. | |||
Contributors | Contributors | |||
Special thanks to Marc Petit-Huguenin, particularly for his extensive | Special thanks to Marc Petit-Huguenin, particularly for his extensive | |||
work and advice on the ABNF and on locating and fixing unclear parts | work and advice on the ABNF and on locating and fixing unclear parts | |||
of earlier draft versions of this document: | of earlier draft versions of this document: | |||
End of changes. 2 change blocks. | ||||
6 lines changed or deleted | 10 lines changed or added | |||
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