Cryptography – Cryptanalysis
Patent
1995-08-01
1998-09-22
Cangialosi, Salvatore
Cryptography
Cryptanalysis
380 49, H04L 900
Patent
active
058126619
ABSTRACT:
This invention provides an input switchover means for switching input routes according to the type of medium or communications, a software management means for decoding encrypted software information and for managing monetary charges according to the usage amounts of this software, an information conversion section for converting decoded data outputted from the previously mentioned software management means to visible or audible data, and an output route switchover means for outputting to the previously mentioned software management means encrypted software data, and for outputting to the previously mentioned information conversion section non-encrypted software information.
REFERENCES:
patent: 4247106 (1981-01-01), Jeffers et al.
patent: 4433207 (1984-02-01), Besto
patent: 4439670 (1984-03-01), Basset et al.
patent: 4446519 (1984-05-01), Thomas
patent: 4484217 (1984-11-01), Block et al.
patent: 4558176 (1985-12-01), Arnold et al.
patent: 4590557 (1986-05-01), Lillie
patent: 4646234 (1987-02-01), Tolman et al.
patent: 4649510 (1987-03-01), Schmidt
patent: 4654799 (1987-03-01), Ogaki et al.
patent: 4658093 (1987-04-01), Hellman
patent: 4672554 (1987-06-01), Ogaki
patent: 4674055 (1987-06-01), Ogaki et al.
patent: 4740890 (1988-04-01), William
patent: 4780905 (1988-10-01), Cruts et al.
patent: 4787050 (1988-11-01), Suzuki
patent: 4816653 (1989-03-01), Anderl et al.
patent: 4816654 (1989-03-01), Anderl et al.
patent: 4817140 (1989-03-01), Chandra et al.
patent: 4864516 (1989-09-01), Gaither et al.
patent: 4879645 (1989-11-01), Tamada et al.
patent: 4949257 (1990-08-01), Orbach
patent: 4999806 (1991-03-01), Chernow et al.
patent: 5006849 (1991-04-01), Baarman et al.
patent: 5008814 (1991-04-01), Mathur
patent: 5014234 (1991-05-01), Edwards, Jr.
patent: 5016009 (1991-05-01), Whiting et al.
patent: 5051822 (1991-09-01), Rhoades
patent: 5056009 (1991-10-01), Mizuta
patent: 5103392 (1992-04-01), Mori
patent: 5103476 (1992-04-01), Waite et al.
patent: 5166886 (1992-11-01), Molnar et al.
patent: 5181107 (1993-01-01), Rhoades
patent: 5199066 (1993-03-01), Logan
patent: 5214697 (1993-05-01), Saito
patent: 5222134 (1993-06-01), Waite et al.
patent: 5224166 (1993-06-01), Hartman. Jr.
patent: 5245330 (1993-09-01), Wassink
patent: 5267171 (1993-11-01), Suzuki et al.
patent: 5272750 (1993-12-01), Shear
patent: 5386471 (1995-01-01), Bianco
patent: 5410598 (1995-04-01), Shear
patent: 5495411 (1996-02-01), Ananda
patent: 5548645 (1996-08-01), Ananda
patent: 5563946 (1996-10-01), Cooper et al.
Japanese Patent Laid-Open Publication No. 57-127249, Aug. 7, 1982 (equivalent to Japanese Patent Publication No. 61-22815).
Japanese Patent Laid-Open Publication No. 5-89363, Apr. 9, 1993.
Japanese Patent Laid-Open Publication No. 5-266575, Oct. 15, 1993.
Japanese Patent Laid-Open Publication No. 5-298085, Nov. 12, 1993.
Japanese Patent Laid-Open Publication No. 6-95871, Apr. 8, 1994.
Akiyama Ryota
Yoshioka Makoto
Cangialosi Salvatore
Fujitsu Limited
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