383:
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902:
416:
It is easy to run a secure computer system. You merely have to disconnect all dial-up connections and permit only direct-wired terminals, put the machine and its terminals in a shielded room, and post a guard at the
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of computer security standards, and retired from the NSA in 1994. He once told a reporter that, while at the NSA, he helped the FBI decode encrypted evidence.
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tells the story of cryptographic research he performed with Morris and why that research was never published.
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Never underestimate the attention, risk, money, and time that an opponent will put into reading traffic.
283:, and the password encryption scheme used for user authentication. The encryption scheme (invented by
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185:. His parents were Walter W. Morris, a salesman, and Helen Kelly Morris, a homemaker. He received a
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754:"Notes on Crypto '95: Non-cryptographic Ways of Losing Information invited talk by R. Morris"
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338:. Many readers of Stoll's book remember Morris for giving Stoll a challenging mathematical
209:
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114:
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8:
1016:
545:
334:
202:
778:
Grampp, F. T.; Morris, R. H. (1984). "The UNIX System: UNIX Operating System
Security".
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compiler-compiler, Morris, together with McIlroy, developed the early implementation of
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A Research Unix reader: annotated excerpts from the
Programmer's Manual, 1971–1986
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305:; analogous techniques, relying on different functions, are still in use today.
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compiler called EPL for
Multics project. The pair also contributed a version of
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The data encryption standard—Retrospective and prospects
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He married Anne Farlow, and they had three children together:
352:
What is the next number in the sequence 1 11 21 1211 111221?
358:). Stoll chose not to include the answer to this puzzle in
259:
233:
96:
826:
475:"Robert Morris, Pioneer in Computer Security, Dies at 78"
435:, part 2, #8 (October 1984), pp. 1649–1672.
427:(with Fred T. Grampp) UNIX Operating System Security,
719:
301:
566:(2nd, revised ed.). CUP Archive. p. 254.
317:(NSA). He served as chief scientist of the NSA's
16:American programmer and cryptographer (1932 -2011)
321:, where he was involved in the production of the
224:From 1960 until 1986, Morris was a researcher at
1149:
165:(July 25, 1932 – June 26, 2011) was an American
576:
842:
410:Rule 1 of cryptanalysis: check for plaintext.
780:AT&T Bell Laboratories Technical Journal
777:
655:Dabbling in the Cryptographic World--A Story
429:AT&T Bell Laboratories Technical Journal
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745:
514:
308:
849:
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644:(Technical report). CSTR. Bell Labs. 139.
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216:), Meredith Morris, and Benjamin Morris.
19:For other people with the same name, see
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674:by Robert Morris and Ken Thompson (1978)
421:
346:) in the course of their discussions on
1188:National Security Agency cryptographers
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469:
176:
1150:
1076:General Comprehensive Operating System
694:, #6 (November 1978), pp. 11–14.
446:
362:, to the frustration of many readers.
830:
821:"Dabbling in the Cryptographic World"
721:, accessed on line November 29, 2007.
625:
266:text-formatting program for Multics.
1091:Multiple Console Time Sharing System
661:, May 5, 2000, Bell Labs. Archived.
558:
376:
328:There is a description of Morris in
13:
792:10.1002/j.1538-7305.1984.tb00058.x
752:Gillogly, Jim (2 September 1995).
732:"FAQ about Morris Number Sequence"
313:In 1986, Morris began work at the
251:, which was later ported to Unix.
117:, Meredith Morris, Benjamin Morris
14:
1214:
810:
672:Password Security: A Case History
319:National Computer Security Center
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381:
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1122:Compatible Time-Sharing System
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523:United States v. Morris (1991)
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299:which were stored in the file
273:include the math library, the
1:
1053:Multics Relational Data Store
531:, 505 (2d Cir. 1991).
439:
295:) to compute hashes of user
219:
7:
1178:Computer security academics
856:
579:"The Multics PL/1 Compiler"
503:4th UNIX Security Symposium
400:using the Transwiki process
10:
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269:Morris's contributions to
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1183:Harvard University alumni
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315:National Security Agency
309:National Security Agency
287:), was based on using a
147:National Security Agency
1173:Scientists at Bell Labs
293:key derivation function
275:dc programming language
541:Robert Morris obituary
367:Lebanon, New Hampshire
365:Robert Morris died in
271:early versions of Unix
205:from Harvard in 1958.
72:Lebanon, New Hampshire
1158:Modern cryptographers
577:R. A. Frieburghouse.
422:Selected publications
356:look-and-say sequence
183:Boston, Massachusetts
977:Michael A. Padlipsky
601:"The Choice of PL/I"
529:928 F.2d 504
212:(author of the 1988
210:Robert Tappan Morris
177:Family and education
163:Robert H. Morris Sr.
115:Robert Tappan Morris
30:Robert H. Morris Sr.
1017:Victor A. Vyssotsky
922:Fernando J. Corbató
689:IEEE Communications
546:The Washington Post
392:is a candidate for
342:(originally due to
203:applied mathematics
181:Morris was born in
1193:People from Boston
619:"Multics Features"
480:The New York Times
195:Harvard University
171:computer scientist
106:Anne Farlow Morris
83:Harvard University
1145:
1144:
997:Michael Schroeder
952:Bernard Greenberg
706:Electronic CIPHER
407:
406:
348:computer security
289:trapdoor function
187:bachelor's degree
160:
159:
123:Scientific career
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1137:
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992:Glenda Schroeder
967:Peter G. Neumann
947:Robert M. Graham
932:Peter J. Denning
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882:General Electric
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786:(8): 1649–1672.
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738:on June 6, 1997.
734:. Archived from
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564:Macro Processors
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473:(29 June 2011).
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360:The Cuckoo's Egg
335:The Cuckoo's Egg
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243:, he created M6
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245:macro processor
241:Douglas McIlroy
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199:master's degree
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79:Alma mater
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47:
41:
39:
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24:
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982:Dennis Ritchie
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942:Stuart Feldman
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927:Monte Davidoff
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917:David D. Clark
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817:Dennis Ritchie
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811:External links
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708:9 (1995-09-18)
696:
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659:Dennis Ritchie
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633:McIlroy, M. D.
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605:Multicians.org
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583:Multicians.org
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354:(known as the
344:John H. Conway
330:Clifford Stoll
323:Rainbow Series
310:
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291:(now called a
277:, the program
239:Together with
228:and worked on
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197:in 1957 and a
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89:Known for
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68:(aged 78)
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1124:(predecessor)
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1048:Multics Emacs
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1030:
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1012:Tom Van Vleck
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1003:
1002:Richard Soley
1000:
998:
995:
993:
990:
988:
987:Jerry Saltzer
985:
983:
980:
978:
975:
973:
970:
968:
965:
963:
962:Robert Morris
960:
958:
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759:
758:Google Groups
755:
748:
746:
737:
733:
727:
720:
715:
709:
707:
700:
693:
690:
687:, R. Morris,
686:
681:
675:
673:
667:
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656:
651:
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639:
634:
628:
620:
614:
606:
602:
598:
597:Tom Van Vleck
592:
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471:Markoff, John
466:
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395:
390:This section
388:
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345:
341:
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294:
290:
286:
285:Roger Needham
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231:
227:
217:
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174:
172:
168:
167:cryptographer
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73:
64:June 26, 2011
63:
59:
55:
54:Massachusetts
51:
46:July 25, 1932
38:
34:
27:
22:
21:Robert Morris
1062:Multics-like
1033:Space Travel
1007:Ken Thompson
961:
783:
779:
773:
761:. Retrieved
757:
736:the original
726:
714:
705:
699:
691:
688:
680:
671:
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627:
613:
604:
591:
582:
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521:
516:
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496:
484:. Retrieved
478:
432:
428:
391:
364:
359:
351:
333:
327:
312:
268:
253:
238:
223:
207:
180:
162:
161:
143:Institutions
137:cryptography
122:
66:(2011-06-26)
1203:Unix people
1168:2011 deaths
1163:1932 births
1117:Project MAC
1101:Stratus VOS
972:Joe Ossanna
937:Jack Dennis
892:Groupe Bull
560:Cole, A. J.
302:/etc/passwd
214:Morris worm
191:mathematics
133:Mathematics
1152:Categories
440:References
254:Using the
249:FORTRAN IV
232:and later
42:1932-07-25
1071:Domain/OS
887:Honeywell
877:Bell Labs
865:Developer
398:Wikiquote
297:passwords
226:Bell Labs
220:Bell Labs
151:Bell Labs
1139:Category
1026:Software
800:26877484
763:2 August
635:(1987).
562:(1981).
396:over to
332:'s book
111:Children
1110:Related
1086:ICL VME
1064:systems
1043:Macsyma
1038:Maclisp
858:Multics
599:(ed.).
510:. 1993.
486:30 June
394:copying
230:Multics
93:Multics
1096:PRIMOS
1081:GEORGE
910:People
798:
527:,
508:USENIX
373:Quotes
340:puzzle
264:runoff
129:Fields
103:Spouse
50:Boston
796:S2CID
704:IEEE
642:(PDF)
417:door.
280:crypt
193:from
765:2023
488:2011
260:PL/I
234:Unix
169:and
97:Unix
61:Died
36:Born
872:MIT
788:doi
256:TMG
247:in
201:in
189:in
1154::
819::
794:.
784:63
782:.
756:.
744:^
692:16
657:,
603:.
581:.
543:,
506:.
477:.
448:^
433:63
431:,
369:.
350::
236:.
173:.
149:,
135:,
95:,
52:,
850:e
843:t
836:v
802:.
790::
767:.
621:.
607:.
585:.
490:.
402:.
44:)
40:(
23:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.