HP UX Security Products and Features Software manual What Is CDSA?, HP’s Implementation of Cdsa

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Common Data Security Architecture (CDSA) White Paper

What Is CDSA?

What Is CDSA?

The Common Security Architecture (CDSA) is a set of application program interfaces (APIs) to perform cryptography and other public key infrastructure operations. Additional shared libraries implement the API functionality. The Cryptographic Service Provider (CSP) module implements most popular cryptographic algorithms. The Certiﬁcate Library (CL) module implements X.509v3 certiﬁcate operations. The Trust Policy (TP) and Data Storage Library (DL) are not implemented in this release. CDSA consists of the most popular cryptographic algorithms needed for security applications; the code may be used by C or C++ applications.

HP’s Implementation of CDSA

HP’s initial release of CDSA consists of shared libraries, header and module information ﬁles, and manpages for CDSA APIs covering a Common System Security Manager (CSSM), Cryptographic Service Provider (CSP), and Certiﬁcate Library (CL). Each manpage describes an API function. HP’s implementation also includes CDSA’s standard service provider interfaces for Data Library (DL) and Trust Policy (TP), although HP is not providing DL or TP add-in modules.

Figure 1-1

HP-UX CDSA Product Overview

CSSM (v1.2) Framework

Shared Library

CSP		CL
shared library		shared library

Header and Module

Information files

CDSA Files on HP-UX

DLTP

Manpages

Not included in first release

As of June 1999, CDSA is available on the HP-UX 11.0 Application CD. In the future, it will

Chapter 1

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Contents Contents Migrating to Cdsa ZIP format Private Key File Sample Install Program Generating the Credential FileChapter Common Data Security Architecture Cdsa White PaperGlossary of Cdsa Terms and Acronyms Glossary of Cdsa Terms and AcronymsGlossary of Cdsa Terms and Acronyms RC2 Glossary of Cdsa Terms and Acronyms Glossary of Cdsa Terms and Acronyms Glossary of Cdsa Terms and Acronyms Glossary of Cdsa Terms and Acronyms HP-UX Cdsa Product Overview What Is CDSA?What Is CDSA? HP’s Implementation of CdsaWhat Is CDSA? Cdsa Components on HP-UX Cdsa Components in HP-UXWhat Is CDSA? Libraries Cdsa in the Context of Other Security ApplicationsExample of Cdsa APIs Used for Applications vs. Shared Applications CDSA, shown relative to higher-level protocols and userHP’s Paradigm Shift Common Security Services Manager Cssm API Common Security Services Manager CssmCssm Module Information Files Cssmnotlongfilenamesys Dual Asymmetric Key Algorithm Cryptography Service Provider CSP APICryptography Service Provider CSP API Public/Private Key AlgorithmsSymmetric Key Algorithm RC2 or RC4 Authenticating a Digital SignatureCryptography Service Provider CSP API Hash Interaction between CSP and Applications CSP Operations Cryptography Service Provider CSP API Cryptography Service Provider CSP API Supported Functions and Algorithms Extensibility FunctionsCssmalgidcdmf Cssmalgiddsa Cssmalgiddh Purpose Pass-Through ID Outline of a Generic Certiﬁcate Certiﬁcate Library Services CL APIWhat is a Certiﬁcate? Certiﬁcate Library Services CL APICertiﬁcate Revocation List CRL and Operations Interaction between Certiﬁcate Library and Application Certiﬁcate Library Interface Operations on CertiﬁcatesInteraction between Cssm and Certiﬁcate Library Interface Certiﬁcate Library Services CL API Certiﬁcate Library Services CL API Certiﬁcate Library Services CL API INTELX509V3PASSTHROUGHCREATEENCODEDNAME INTELX509V3PASSTHROUGHENCODENAME INTELX509V3PASSTHROUGHENCODEALGID INTELX509V3PASSTHROUGHREADCERTFROMFILE INTELX509V3PASSTHROUGHENCODEREVOKEDCERTLIST INTELX509V3PASSTHROUGHFINDSUPPORTINGCSP INTELX509V3PASSTHROUGHCSSMKEYTOSPKI Introduction to Add-in Modules Introduction to Add-in ModulesRole of Add-In Modules in the Cdsa Framework Global Unique Identiﬁer Guid Design Criteria for Add-In ModulesInitializer Add-In Module Install Program Code to Register Services with CssmTo Install an Add-In Library How to Create a Cdsa Add-In Module for HP-UX How to Create a Cdsa Add-In Module forLd -b -o libmylib.1 +I MyAddInInit Implementing Integrity Checking in Add-In Modules Programming Self-Check Functions into the Initializer How to Create a Cdsa Add-In Module for HP-UX How to Create a Cdsa Add-In Module for HP-UX How to Create a Cdsa Add-In Module for HP-UX How to Create a Cdsa Add-In Module for HP-UX Typeprocedure How to Create a Cdsa Add-In Module for HP-UX Or specify the following for CL/TP/DL add-ins With a Cssm capable of integrity checking Validating the CSP Credentials Validating the CSP CredentialsCredential File Certiﬁcate ChainVerifying a Certiﬁcate Chain Validation SequenceVerifying the signature on the .SF ﬁle Integrity Check prior to LoadingSHA-1 11 Verifying the validity of the CSP library Self CheckIn-Memory vs. Static Checking Bilateral AuthenticationConcluding Remarks Concluding RemarksFurther References Concluding Remarks Appendix a Sample Install ProgramAppendix a Appendix a Cssmapimemoryfuncs Appendix a Else if argc != Destpath Sample Install Program Appendix a Sample Install Program Appendix B Generating the Credential FileHP Signing Policy for CSP Add-In Vendors for Cdsa Version HP Signing Policy for CSP Add-In Vendors for Cdsa VersionAppendix C Sample Add-in Module CodeAppendix C Appendix C Sample Add-in Module Code Appendix C Cssmreturn = Null Sample Add-in Module Code == Cssmfail Cssmmodulefuncs Appendix C Sample Add-in Module Code Appendix C Sample Add-in Module Code Data 100 Appendix C 101 102 Appendix C 103 104 Appendix D 105 Functions Needed for Add-in Module Integrity106 Appendix E 107 Trouble Shooting HP Cdsa108 Cdsa API ErrorsCdsa API Errors Appendix E 109 110 Appendix E 111 112 Appendix E 113 114 Appendix E 115 116 Appendix E 117 118 Cdsa Start Up Errors when calling CSSMModuleAttachCdsa Start Up Errors when calling CSSMModuleAttach Appendix E 119 120 Using DDE to Debug Cdsa ApplicationsDebugging Core Dumps Appendix F 121 Migrating to Cdsa122 Appendix F 123 124 DL data structuresAppendix G 125 ZIP format126 Appendix G 127 128 Appendix H 129 Private Key File130 Private Key File Contention

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