CA2324100A1 - Tamper resistant postal security device with long battery life - Google Patents
Tamper resistant postal security device with long battery life Download PDFInfo
- Publication number
- CA2324100A1 CA2324100A1 CA002324100A CA2324100A CA2324100A1 CA 2324100 A1 CA2324100 A1 CA 2324100A1 CA 002324100 A CA002324100 A CA 002324100A CA 2324100 A CA2324100 A CA 2324100A CA 2324100 A1 CA2324100 A1 CA 2324100A1
- Authority
- CA
- Canada
- Prior art keywords
- encryption key
- security device
- psd
- postal security
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00733—Cryptography or similar special procedures in a franking system
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
- G07B17/00193—Constructional details of apparatus in a franking system
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
- G07B17/00362—Calculation or computing within apparatus, e.g. calculation of postage value
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
- G07B17/00193—Constructional details of apparatus in a franking system
- G07B2017/00233—Housing, e.g. lock or hardened casing
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
- G07B17/00193—Constructional details of apparatus in a franking system
- G07B2017/00258—Electronic hardware aspects, e.g. type of circuits used
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
- G07B17/00314—Communication within apparatus, personal computer [PC] system, or server, e.g. between printhead and central unit in a franking machine
- G07B2017/00346—Power handling, e.g. power-down routine
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
- G07B17/00362—Calculation or computing within apparatus, e.g. calculation of postage value
- G07B2017/00395—Memory organization
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
- G07B17/00362—Calculation or computing within apparatus, e.g. calculation of postage value
- G07B2017/00395—Memory organization
- G07B2017/00403—Memory zones protected from unauthorized reading or writing
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00733—Cryptography or similar special procedures in a franking system
- G07B2017/00846—Key management
- G07B2017/00862—Key storage, e.g. escrowing by trusted third party
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00733—Cryptography or similar special procedures in a franking system
- G07B2017/00959—Cryptographic modules, e.g. a PC encryption board
- G07B2017/00967—PSD [Postal Security Device] as defined by the USPS [US Postal Service]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Storage Device Security (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
- Power Sources (AREA)
Abstract
In accordance with the invention, a postal security device (PSD) (10) contains a non-volatile memory (13) which does not depend on battery power such as an EEPROM (13), and contains a nonvolatile memory (14, 16) which does depend on battery power, such as a static RAM. The PSD (10) also contains an encryption engine (12, 14, 22). An encryption key is developed and is stored in the static RAM (14), which is sized to be only large enough to contain the encryption key. A large body of data, too large to fit in the static RAM, is encrypted by means of the encryption engine (12, 14, 22) and with reference to the encryption key, and is stored in the EEPROM (13). This body of data typically includes cryptographic keys and sensitive bit-images. When the PSD is powered, a large RAM (typically a dynamic RAM) (16) is available to receive the large body of data, decrypted using the encryption key. A tamper switch (17) cuts power to both RAMs (14, 16) in the event of tampering.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7848998P | 1998-03-18 | 1998-03-18 | |
US60/078,489 | 1998-03-18 | ||
PCT/US1999/005891 WO1999048055A1 (en) | 1998-03-18 | 1999-03-18 | Tamper resistant postal security device with long battery life |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2324100A1 true CA2324100A1 (en) | 1999-09-23 |
CA2324100C CA2324100C (en) | 2009-08-04 |
Family
ID=22144347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002324100A Expired - Fee Related CA2324100C (en) | 1998-03-18 | 1999-03-18 | Tamper resistant postal security device with long battery life |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1064622B1 (en) |
JP (1) | JP2002507802A (en) |
AT (1) | ATE300069T1 (en) |
CA (1) | CA2324100C (en) |
DE (1) | DE69926222T2 (en) |
WO (1) | WO1999048055A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20020635U1 (en) * | 2000-11-28 | 2001-03-15 | Francotyp-Postalia AG & Co., 16547 Birkenwerder | Arrangement for power supply for a security area of a device |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1984004614A1 (en) * | 1983-05-13 | 1984-11-22 | Ira Dennis Gale | Data security device |
US4575621A (en) * | 1984-03-07 | 1986-03-11 | Corpra Research, Inc. | Portable electronic transaction device and system therefor |
US4882752A (en) * | 1986-06-25 | 1989-11-21 | Lindman Richard S | Computer security system |
US4809185A (en) * | 1986-09-02 | 1989-02-28 | Pitney Bowes Inc. | Secure metering device storage vault for a value printing system |
US5097253A (en) * | 1989-01-06 | 1992-03-17 | Battelle Memorial Institute | Electronic security device |
US5353350A (en) * | 1989-10-03 | 1994-10-04 | University Of Technology | Electro-active cradle circuits for the detection of access or penetration |
US5249227A (en) * | 1992-11-30 | 1993-09-28 | Motorola, Inc. | Method and apparatus of controlling processing devices during power transition |
US5668973A (en) | 1995-04-14 | 1997-09-16 | Ascom Hasler Mailing Systems Ag | Protection system for critical memory information |
US5712542A (en) | 1995-05-25 | 1998-01-27 | Ascom Hasler Mailing Systems Ag | Postage meter with improved handling of power failure |
GB2315586B (en) | 1996-07-19 | 2000-08-30 | Neopost Ltd | Apparatus with tamper detector |
-
1999
- 1999-03-18 AT AT99912648T patent/ATE300069T1/en not_active IP Right Cessation
- 1999-03-18 DE DE69926222T patent/DE69926222T2/en not_active Expired - Lifetime
- 1999-03-18 EP EP99912648A patent/EP1064622B1/en not_active Expired - Lifetime
- 1999-03-18 JP JP2000537179A patent/JP2002507802A/en active Pending
- 1999-03-18 WO PCT/US1999/005891 patent/WO1999048055A1/en active IP Right Grant
- 1999-03-18 CA CA002324100A patent/CA2324100C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE300069T1 (en) | 2005-08-15 |
DE69926222D1 (en) | 2005-08-25 |
EP1064622B1 (en) | 2005-07-20 |
EP1064622A1 (en) | 2001-01-03 |
EP1064622A4 (en) | 2001-07-18 |
DE69926222T2 (en) | 2006-05-24 |
CA2324100C (en) | 2009-08-04 |
WO1999048055A1 (en) | 1999-09-23 |
JP2002507802A (en) | 2002-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20190318 |