61,925 Hits in 2.5 sec

ACVS: An Advanced Certificate Validation Service in Service-Oriented Architectures

Antonio Ruiz-Mart, Daniel S, C. Inmaculada Mar, Manuel Gil-P, Antonio F. G
2008 2008 Third International Conference on Internet and Web Applications and Services  
Advanced Certificate Validation Service (ACVS)  ...  In order to gather these evidences, clients have to support several PKI-compliant protocols. Then, with the aim of simplifying this task XKMS appeared.  ...  The Advanced Certificate Validation Service proposed supports different kinds of certificate status checking protocols, the possibility of checking certificates from multiple PKIs, the configuration based  ... 
doi:10.1109/iciw.2008.84 dblp:conf/iciw/Ruiz-MartinezSMPG08 fatcat:xyjlikytwjdchma3tzubjj5cku

Autonomous collision attack on OCSP services [article]

Ken Ivanov
2016 arXiv   pre-print
The paper describes two important design flaws in Online Certificate Status Protocol (OCSP), a protocol widely used in PKI environments for managing digital certificates' credibility in real time.  ...  The flaws significantly reduce the security capabilities of the protocol, and can be exploited by a malicious third party to generate forged signed certificate statuses and, in the worst scenario, forged  ...  Introduction Online certificate status protocol (OCSP) [1] is one of the two common methods of obtaining up-to-date digital certificate status information from certification authorities (CA) in modern  ... 
arXiv:1609.03047v1 fatcat:xex4wa363nfc5j6nemaijrfvwm

An advanced certificate validation service and architecture based on XKMS

Antonio Ruiz-Martínez, Daniel Sánchez-Martínez, C. Inmaculada Marín-López, Manuel Gil-Pérez, Antonio F. Gómez-Skarmeta
2010 Software, Practice & Experience  
These validation evidences can be signers' certificates, a set of certificates from signer's certificate up to a trust anchor, Online Certificate Status Protocol (OCSP) [4] responses, Certificate Revocation  ...  In order to perform the path construction, protocols such as Lightweight Directory Access Protocol (LDAP) [13] or Server-based Certificate Validation Protocol (SCVP) [14] can be helpful.  ...  to a trust anchor, certificate status of each certificate in the complete certification path).  ... 
doi:10.1002/spe.996 fatcat:7igufgcplbfkbmlaclt5tqcl6e

Validation of Long-Term Signatures [chapter]

Karl Scheibelhofer
2002 IFIP Advances in Information and Communication Technology  
services for certificate status checking.  ...  Current revocation checking mechanisms, like CRLs and OCSP, may not provide the status of certificates which are no longer valid.  ...  Figure 5 . 5 The contents of requests and responses of an advanced certificate status history service.  ... 
doi:10.1007/978-0-387-35612-9_21 fatcat:tgnnyqdjcfho5ejckmvhz5xq3q

On the Performance of Certificate Revocation Protocols Based on a Java Card Certificate Client Implementation [chapter]

K. Papapanagiotou, K. Markantonakis, Q. Zhang, W. G. Sirett, K. Mayes
2005 IFIP Advances in Information and Communication Technology  
The use of certificates for secure transactions in smart cards requires the existence of a secure and efficient revocation protocol.  ...  There are a number of existing protocols for online certificate revocation and validation, among which OCSP and SCVP are the most widely used.  ...  Until now, protocols, such as the Online Certificate Status Protocol (OCSP) 1121 and the Simple K. Papapanagiotou, K. Markantonakis, Q. Zhang, KG. Sirett ...  ... 
doi:10.1007/0-387-25660-1_36 fatcat:uetil2v5q5b4vbcl3lxmexqe64

The Notary Based PKI [chapter]

Martín A. G. Vigil, Cristian T. Moecke, Ricardo F. Custódio, Melanie Volkamer
2013 Lecture Notes in Computer Science  
After the certification, the certificate remains trustworthy even if later keys are compromised or notaries disappear.  ...  An end user issues his own X.509 certificate, whose validity period is meaningless and whose trustworthiness is accepted only if the certificate was certified by a notary.  ...  Certificate Revocation Tree [13] , Tree-List Certificate Validation [14] , Online Certificate Status Protocol [15] and Novomodo [16] provide revocation data that is smaller and easier to evaluate  ... 
doi:10.1007/978-3-642-40012-4_6 fatcat:njlfqmbahfdetgp46ztxhhnw3y

A Flexible Management Framework for Certificate Status Validation [chapter]

Antonio Corradi, Rebecca Montanari, Cesare Stefanelli, Diana Berbecaru, Antonio Lioy, Fabio Maino
2000 IFIP Advances in Information and Communication Technology  
Several CSV solutions, such as Certificate Revocation Lists or the On-line Certificate Status Protocol, are available, but none can meet the requirements for all applications, in particular of timeliness  ...  An essential PKI service is the certificate status validation (CSV) system that supports the publishing and the consistent usage of certificate status information for wide range of applications.  ...  Several solution have been proposed, including the Certificate Revocation List scheme (CRLs) [3] , the On-line Certificate Status Protocol (OCSP) [4] or the Certificate Revocation Trees (CRT) [5] ,  ... 
doi:10.1007/978-0-387-35515-3_49 fatcat:ukic2l55ibcxbgomvjrb6ml6hu

Design and Implementation of a CORBA Commodity Grid Kit [chapter]

Snigdha Verma, Manish Parashar, Jarek Gawor, Gregor von Laszewski
2001 Lecture Notes in Computer Science  
The overall goal of this project is to explore how commodity distributed computing technologies and state-of-the-art software engineering practices can be used for the development of advanced Grid applications  ...  GSI provides protocols for authentication and communication and builds on the Transport Layer Security (TLS) protocols.  ...  This new certificate is called a proxy certificate.  ... 
doi:10.1007/3-540-45644-9_2 fatcat:b57xsrek6rcrrmjgr7ifhkum4e


Jayanth Rajakumar, Student, Department of Electronics and Communication Engineering R.V. College of Engineering Bangalore, Karnataka, India
2019 International Journal of Advanced Research in Computer Science  
This paper describes and contrasts the two major mechanisms for certificate revocation -Certificate Revocation Lists (CRLs) and Online Certificate Status Protocol (OCSP).  ...  It is found that modern web clients and browsers such as Google Chrome do not perform stringent checking of certificate revocation status, leaving users open to attackers who use revoked certificates to  ...  OCSP OCSP is a protocol for determining the status of a certificate without requiring the use of CRLs [4] . Figure 1 shows the flow of the protocol.  ... 
doi:10.26483/ijarcs.v10i3.6408 fatcat:o3hnzbsnwrgvfi3l27usssh4lq

Page 195 of Journal of the American Psychiatric Nurses Association Vol. 4, Issue 6 [page]

1998 Journal of the American Psychiatric Nurses Association  
Requirements for Prescriptive Authority for APPNs by State Application Needed for Advanced Collaborative Master’s National RN State Practice Pharmacology State Agreement Degree Certification License Status  ...  * advanced v ¥ Or /¥ Or MS degree Not specified national certification Law passed but ¥ Or national J Or MS degree 30 hours advanced regulations certification pharmacology pending v v Not specified 2 semester  ... 

A XKMS-Based Security Framework for Mobile Grid into the XML Web Services [chapter]

Namje Park, Kiyoung Moon, Jongsu Jang, Sungwon Sohn
2004 Lecture Notes in Computer Science  
revocation (CRLs) or through an OCSP (Online Certificates Status Protocol).  ...  And CA (Certificate Authority) database connection protocol (CVMP;CVM Protocol) is used for the purpose of that the server obtains real-time certificate status information from CAs.  ... 
doi:10.1007/978-3-540-24688-6_19 fatcat:b6lr7oqm2zh27ljfiv5juhvcrq

Prescriptive Authority for Advanced Practice Psychiatric Nurses: State of the States, 2001

Merrie J. Kaas, Mary D. Moller, Jill M. Markley, Carolyn Billings, Judith Haber, Edna Hamera, Laura Leahy, Susan Pagel, Michele Zimmerman
2002 Journal of the American Psychiatric Nurses Association  
REQUIREMENTS AND RESTRICTIONS Prescriptive authority usually re- quires national certification, gradu- ate education, and a separate appli- cation for advanced practice status.  ...  nursing practice, and Paul’s sum- mary (1999) of practice protocols for advanced practice nursing.  ... 
doi:10.1067/mpn.2002.125163 fatcat:ai5sqsj7vbfuvnbhr5eztmutiu

Impact of Emergency Medical Services Stroke Routing Protocols on Primary Stroke Center Certification in California

S. Schuberg, S. Song, J. L. Saver, W. J. Mack, S. Y. Cen, N. Sanossian
2013 Stroke  
We evaluated the relationship between independent adoption of EMS routing protocols and PSC designation acquisition in California.  ...  Conclusions-Implementation of EMS routing policies may be an important factor driving PSC certification.  ...  To investigate, we analyzed the association of conversion of hospitals to PSC status with adoption of Emergency Medical Service (EMS) preferential routing protocols in the state of California from 2003  ... 
doi:10.1161/strokeaha.113.000940 pmid:24105701 fatcat:apg3cbfukbgbvkn5hxfaaa5mha

Postcertificates for Revocation Transparency [article]

Nikita Korzhitskii, Matus Nemec, Niklas Carlsson
2022 arXiv   pre-print
Revocation status delivery is performed independently and with an arbitrary status protocol.  ...  Postcertificates can increase the accountability of the CAs and empower the certificate owners by giving them additional control over the status of the certificates.  ...  statuses to the clients by an underlying revocation status protocol.  ... 
arXiv:2203.02280v1 fatcat:em2uyzh6kfccfiewptl6gx3nhm

A Novel NFC based Secure Protocol for Merchant Transactions

Shaik Shakeel Ahamad
2021 IEEE Access  
in generating and verifying digital signatures and Advanced Encryption Standard (AES) with GCM (Galois/Counter Mode) mode is used for encryption and decryption of Customer Payment Data at MPA and PPA.  ...  We have proposed a NFC based Secure Protocol for Mobile Transaction (NSPMT) protocol and successfully verified a mobile payment protocol with BAN (Burrows, Abadi, and Needham) logic and Scyther tool, and  ...  OCSP (Online Certificate Status Protocol) is an integral part of CA which updates the status of the revoked and compromised certificates.  ... 
doi:10.1109/access.2021.3139065 fatcat:qzskxxbpgrb27btkxgjxcec4mi
« Previous Showing results 1 — 15 out of 61,925 results