The following is an example of an LZJU90 compressed object. Using
this as source for the program in section 5.3 will reveal what it is.
Encoding: 7 LZJU90 Text
* LZJU90 example
8-mBtWA7WBVZ3dEBtnCNdU2WkE4owW+l4kkaApW+o4Ir0k33Ao4IE4kk
bYtk1XY618NnCQl+OHQ61d+J8FZBVVCVdClZ2-LUI0v+I4EraItasHbG
VVg7c8tdk2lCBtr3U86FZANVCdnAcUCNcAcbCMUCdicx0+u4wEETHcRM
7tZ2-6Btr268-Eh3cUAlmBth2-IUo3As42laIE2Ao4Yq4G-cHHT-wCEU
6tjBtnAci-I++
* 190 081E2601
6. Alphabetical Listing of Defined Encodings
Keyword Description Section Reference(s)
_______ ___________ _______ ____________
EDIFACT EDIFACT format 3.5
EDI-X12 EDI X12 format 3.5 ANSI X12
EVFU FORTRAN format 3.4
FS File System format 3.6, 4
Hex Hex binary format 3.3
LZJU90 LZJU90 format 3.7, 5
LZW LZW format 3.8
Message Encapsulated Message 3.2 STD 11, RFC822
PEM, PEM-Clear Privacy Enhanced Mail 3.10 RFC1421-1424
PGP Pretty Good Privacy 3.11
Postscript Postscript format 3.14 [8]
Shar Shell Archive format 3.15
Signature Signature 3.12
Tar Tar format 3.13
Text Text 3.1 IS 10646
uuencode uuencode format 3.9
URL external URL-reference 3.16
7. Security Considerations
Security of content and the receiving (decoding) system is discussed
in sections 3.10, 3.11, 3.15, and 4.2.10. The considerations
mentioned also apply to other encodings and attributes with similar
functions.
8. References
[1] Robinson, D. and R. Ullmann, "Encoding Header Field for Internet
Messages", RFC1154, Prime Computer, Inc., April 1990.
[2] Crocker, D., "Standard for the Format of ARPA Internet Text
Messages", STD 11, RFC822, University of Delaware, August 1982.
[3] International Organization for Standardization, Information
Technology -- Universal Coded Character Set (UCS). ISO/IEC
10646-1:1993, June 1993.
[4] Linn, J., "Privacy Enhancement for Internet Electronic Mail: Part
I: Message Encryption and Authentication Procedures" RFC1421,
IAB IRTF PSRG, IETF PEM WG, February 1993.
[5] Kent, S., "Privacy Enhancement for Internet Electronic Mail: Part
II: Certificate-Based Key Management", RFC1422, IAB IRTF PSRG,
IETF PEM, BBN, February 1993.
[6] Balenson, D., "Privacy Enhancement for Internet Electronic Mail:
Part III: Algorithms, Modes, and Identifiers", RFC1423, IAB IRTF
PSRG, IETF PEM WG, TIS, February 1993.
[7] Kaliski, B., "Privacy Enhancement for Internet Electronic Mail:
Part IV: Key Certification and Related Services", RFC1424, RSR
Laboratories, February 1993.
[8] Adobe Systems Inc., PostScript Language Reference Manual. 2nd
Edition, 2nd Printing, January 1991.
[9] Rose, M. and E. Steffererud, "Proposed Standard for Message
Encapsulation", RFC934, Delaware and NMA, January 1985.
[10] Postel, J., "Simple Mail Transfer Protocol", STD 10, RFC821,
USC/Information Sciences Institute, August 1982.
[11] Borenstein, N., and N. Freed, "MIME (Multipurpose Internet Mail
Extensions): Mechanisms for Specifying and Describing the Format
of Internet Message Bodies", RFC1341, Bellcore, Innosoft, June
1992.
[12] Borenstein, N., and M. Linimon, "Extension of MIME Content-Types
to a New Medium", RFC1437, 1 April 1993.
9. Acknowledgements
The authors would like to thank Robert Jung for his contributions to
this work, in particular the public domain sample code for LZJU90.
10. Authors' Addresses
Albert K. Costanzo
AKC Consulting Inc.
P.O. Box 4031
Roselle Park, NJ 07204-0531
Phone: +1 908 298 9000
Email: AL@AKC.COM
David Robinson
Computervision Corporation
100 Crosby Drive
Bedford, MA 01730
Phone: +1 617 275 1800 x2774
Email: DRB@Relay.CV.COM
Robert Ullmann
Phone: +1 617 247 7959
Email: ariel@world.std.com