[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: CDATA Section [binary data in...]
I found it at : http://www.normos.org/ietf/rfc/rfc2045.txt . Check out pages 23 - 25 Basically the encoder works like this: Base64Table[] = "ABC...abc...1234567890+/" ForEach 24 bits in input stream ForEach 6 bits in 24 bits OutputChar Base64Table[6 bit value] NextFor 6 bits NextFor 24 bits There are special cases when the input stream is not a multiple of 24 bits long (the decoder has to know when to stop so the encoder outputs one or two pad characters "="). The decoder takes the input stream and outputs the corresponding 6 bit values. When it encounters an equals, it commits what bits it has left into a byte, clears the other bits, outputs the resulting byte and stops. Regards, Simon Gordon -----Original Message----- From: Simon St.Laurent [mailto:simonstl@s...] Sent: Friday, October 29, 1999 13:22 To: XML-Dev Mailing list Subject: RE: CDATA Section [binary data in...] At 02:40 PM 10/29/99 -0400, Dan Vint wrote: >I've seen reference to base64 many times now, where can I find a spec for this? Base64 is described in section 6.8 of RFC 2045, normally available at http://www.ietf.org/rfc/rfc2045.txt. (I can't get the URL to open today, though.) Simon St.Laurent XML: A Primer, 2nd Ed. Building XML Applications Inside XML DTDs: Scientific and Technical Sharing Bandwidth / Cookies http://www.simonstl.com xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ and on CD-ROM/ISBN 981-02-3594-1 To unsubscribe, mailto:majordomo@i... the following message; unsubscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...) xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ and on CD-ROM/ISBN 981-02-3594-1 To unsubscribe, mailto:majordomo@i... the following message; unsubscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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