Off-line electronic cash based on secret-key certificates:
Abstract: "An off-line electronic coin system is presented that offers multi-party security and unconditional privacy of payments. The system improves significantly on the efficiency of the previously most efficient such system known in the literature, due to application of a recently proposed...
Gespeichert in:
1. Verfasser: | |
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Format: | Buch |
Sprache: | English |
Veröffentlicht: |
Amsterdam
1995
|
Schriftenreihe: | Centrum voor Wiskunde en Informatica <Amsterdam> / Department of Computer Science: Report CS
95,6 |
Schlagworte: | |
Zusammenfassung: | Abstract: "An off-line electronic coin system is presented that offers multi-party security and unconditional privacy of payments. The system improves significantly on the efficiency of the previously most efficient such system known in the literature, due to application of a recently proposed technique called secret-key certificates. By definition of secret-key certificates, pairs consisting of a public key and a matching certificate can be simulated with indistinguishable probability distribution. This allows a variety of polynomial-time reductions from a well-known signature scheme to the cash system. In particular, the withdrawal protocol can be proved to be restrictive blind with respect to one account holder, relying only on a standard intractability assumption; no such result has been proved before in the literature. Another consequence of the application of the secret-key certificate technique is that the withdrawal protocol is not a blind signature issuing protocol. This falsifies the popular belief that efficient privacy-protecting off- line electronic cash systems must be based on withdrawl protocols that are blind signature issuing protocols." |
Beschreibung: | 48 S. |
Internformat
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100 | 1 | |a Brands, Stefan A. |e Verfasser |4 aut | |
245 | 1 | 0 | |a Off-line electronic cash based on secret-key certificates |c S. A. Brands |
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300 | |a 48 S. | ||
336 | |b txt |2 rdacontent | ||
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338 | |b nc |2 rdacarrier | ||
490 | 1 | |a Centrum voor Wiskunde en Informatica <Amsterdam> / Department of Computer Science: Report CS |v 95,6 | |
520 | 3 | |a Abstract: "An off-line electronic coin system is presented that offers multi-party security and unconditional privacy of payments. The system improves significantly on the efficiency of the previously most efficient such system known in the literature, due to application of a recently proposed technique called secret-key certificates. By definition of secret-key certificates, pairs consisting of a public key and a matching certificate can be simulated with indistinguishable probability distribution. This allows a variety of polynomial-time reductions from a well-known signature scheme to the cash system. In particular, the withdrawal protocol can be proved to be restrictive blind with respect to one account holder, relying only on a standard intractability assumption; no such result has been proved before in the literature. Another consequence of the application of the secret-key certificate technique is that the withdrawal protocol is not a blind signature issuing protocol. This falsifies the popular belief that efficient privacy-protecting off- line electronic cash systems must be based on withdrawl protocols that are blind signature issuing protocols." | |
650 | 4 | |a Cryptography | |
810 | 2 | |a Department of Computer Science: Report CS |t Centrum voor Wiskunde en Informatica <Amsterdam> |v 95,6 |w (DE-604)BV008928356 |9 95,6 | |
999 | |a oai:aleph.bib-bvb.de:BVB01-006758523 |
Datensatz im Suchindex
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any_adam_object | |
author | Brands, Stefan A. |
author_facet | Brands, Stefan A. |
author_role | aut |
author_sort | Brands, Stefan A. |
author_variant | s a b sa sab |
building | Verbundindex |
bvnumber | BV010175750 |
ctrlnum | (OCoLC)33099197 (DE-599)BVBBV010175750 |
format | Book |
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id | DE-604.BV010175750 |
illustrated | Not Illustrated |
indexdate | 2024-07-09T17:47:48Z |
institution | BVB |
language | English |
oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-006758523 |
oclc_num | 33099197 |
open_access_boolean | |
physical | 48 S. |
publishDate | 1995 |
publishDateSearch | 1995 |
publishDateSort | 1995 |
record_format | marc |
series2 | Centrum voor Wiskunde en Informatica <Amsterdam> / Department of Computer Science: Report CS |
spelling | Brands, Stefan A. Verfasser aut Off-line electronic cash based on secret-key certificates S. A. Brands Amsterdam 1995 48 S. txt rdacontent n rdamedia nc rdacarrier Centrum voor Wiskunde en Informatica <Amsterdam> / Department of Computer Science: Report CS 95,6 Abstract: "An off-line electronic coin system is presented that offers multi-party security and unconditional privacy of payments. The system improves significantly on the efficiency of the previously most efficient such system known in the literature, due to application of a recently proposed technique called secret-key certificates. By definition of secret-key certificates, pairs consisting of a public key and a matching certificate can be simulated with indistinguishable probability distribution. This allows a variety of polynomial-time reductions from a well-known signature scheme to the cash system. In particular, the withdrawal protocol can be proved to be restrictive blind with respect to one account holder, relying only on a standard intractability assumption; no such result has been proved before in the literature. Another consequence of the application of the secret-key certificate technique is that the withdrawal protocol is not a blind signature issuing protocol. This falsifies the popular belief that efficient privacy-protecting off- line electronic cash systems must be based on withdrawl protocols that are blind signature issuing protocols." Cryptography Department of Computer Science: Report CS Centrum voor Wiskunde en Informatica <Amsterdam> 95,6 (DE-604)BV008928356 95,6 |
spellingShingle | Brands, Stefan A. Off-line electronic cash based on secret-key certificates Cryptography |
title | Off-line electronic cash based on secret-key certificates |
title_auth | Off-line electronic cash based on secret-key certificates |
title_exact_search | Off-line electronic cash based on secret-key certificates |
title_full | Off-line electronic cash based on secret-key certificates S. A. Brands |
title_fullStr | Off-line electronic cash based on secret-key certificates S. A. Brands |
title_full_unstemmed | Off-line electronic cash based on secret-key certificates S. A. Brands |
title_short | Off-line electronic cash based on secret-key certificates |
title_sort | off line electronic cash based on secret key certificates |
topic | Cryptography |
topic_facet | Cryptography |
volume_link | (DE-604)BV008928356 |
work_keys_str_mv | AT brandsstefana offlineelectroniccashbasedonsecretkeycertificates |