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Revision as of 14:00, 20 December 2011

This is an early stage project for MIT Kerberos. It is being fleshed out by its proponents. Feel free to help flesh out the details of this project. After the project is ready, it will be presented for review and approval.


Purpose

To keep track of the various tasks that need to be documented such as function documentation, administration, troubleshooting etc.


Matrix of Document-Type VS Intended Readership
Doc-type/Reader Architectural Guide Setup & Config of Kerberos Admin & Operations of Kerberos Custom Build API Description API Details
End-users
Architects
System Admins
Application Developers
GSSAPI Developers
Kerberos Developers


Application development

task Proposed Author Target Date Reviewer Reviewer Comments
Designing a new protocol, or extending existing one, to use GSS-API
Choosing security API
  • GSS-API vs SASL vs KRB5
  • A guide to the similarities and differences between Heimdal and MIT Kerberos API
GSS-API
  • A basic introduction to GSS-API, making use of the sample client and server, with special attention paid to Kerberos-related GSS-API issues
  • How to tell the GSS-API library on the client side where the existing Kerberos ticket cache is
  • How to write mechanism-independent GSS-API code
  • Acceptor naming - How to get servers to use any key in a keytab
 GH 2012-03-01
  • A guide to GSS-API naming as compared to Kerberos principal naming
  • Using IAKERB
  • Anonymous credentials
  • Delegating credentials
 MIT
  • Available extensions
  • Thread safety
 KR
  • Validating the flags set on the connection to ensure things like mutual authentication, confidentiality, integrity, replay protection, and sequence protection
Developing plugins GH 2012-03-08
  • A guide to developing plugins
  • Overview of existing pluggable interfaces
Krb5 library guide
  • A more advanced introduction to using the Kerberos libraries for initial authentication, focusing on the authentication steps, validating initial credential
 TY
  • Kerberos prompter behavior
  • An introduction to ticket caches and keytabs and their corresponding APIs
KR
  • An advanced guide to the pre-auth mechanisms, FAST
  • An advanced guide to the principal manipulation and parsing
 TY
  • Thread safety
 KR
  • Password change including the automatic internal support for password change on expired passwords if a prompter is provided
  • krb5_appdefault_* functions and their alternatives
MIT Kerberos features : quick facts ZT ongoing
How to build Kerberos from source ZT ready for review

Administration

task Proposed Author Target Date Reviewer Reviewer Comments
Setting a new realm
  • Choosing backend: LDAP vs DB2
  • Replication
 ZT ready for review
  • DNS configuration and SRV records - how they are used, in what order
Integration Kerberos with Login System
  • Difference between real Kerberos authentication, Kerberos password verification on the server side, and "LDAP authentication" in a Kerberos environment
  • Validating Kerberos tickets
  • Clear text password over HTTPS
  • Configuring with pam_krb5 module
  • Storing/locating keytab
Cross-realm
  • cross-realm interaction with AD
  • Transitive trust
  • Referrals
Performance
  • Performance tuning tips
  • Performance tradeoffs
kadmin interface
  • Keying workstation/ host key setting
Using Smartcard with PKINIT
Kerberized ssh
  • Configuration
  • Cross-realm and ssh
Selecting and configuring plugins GH 2012-03-15
Anonymity support
A guide to principal naming basics and structure
Troubleshooting
  • Troubleshooting errors
 ZT ongoing
  • Trace logging
 GH 2012-03-22
  • Realm renaming
Using LDAP server for Kerberos backend ZT Ubuntu 10.4 (lucid)

API documentation

Most commonly used API functions (in alphabetical order)

Tier 1 - Highest priority
API Proposed Author Reviewer Target Date Reviewer Comments
krb5_build_principal [1] ZT GH
krb5_build_principal_alloc_va [2] ZT GH
krb5_build_principal_ext [3] ZT GH
krb5_cc_close [4] ZT GH
krb5_cc_default [5] ZT GH
krb5_cc_default_name [6] ZT GH
krb5_cc_destroy [7] ZT GH
krb5_cc_dup [8] ZT GH
krb5_cc_get_name [9] ZT GH
krb5_cc_get_principal [10] ZT GH
krb5_cc_get_type [11] ZT GH
krb5_cc_initialize [12] ZT GH
krb5_cc_new_unique [13] ZT GH
krb5_cc_resolve [14] ZT GH
krb5_change_password [15] ZT GH
krb5_free_context [16] ZT GH
krb5_free_error_message [17] ZT GH
krb5_free_principal [18] ZT GH
krb5_fwd_tgt_cred [19] ZT GH Needs example
krb5_get_default_realm [20] ZT GH
krb5_get_error_message [21] ZT GH
krb5_get_host_realm [22] ZT GH
krb5_get_credentials [23] ZT GH
krb5_get_fallback_host_realm [24] ZT GH
krb5_get_init_creds_keytab [25] ZT GH
krb5_get_init_creds_opt_alloc [26] ZT GH
krb5_get_init_creds_opt_free [27] ZT GH
krb5_get_init_creds_opt_get_fast_flags [28] ZT GH
krb5_get_init_creds_opt_init [29] ZT GH
krb5_get_init_creds_opt_set_address_list [30] ZT GH
krb5_get_init_creds_opt_set_anonymous [31] ZT GH
krb5_get_init_creds_opt_set_canonicalize [32] ZT GH
krb5_get_init_creds_opt_set_change_password_prompt [33] ZT GH
krb5_get_init_creds_opt_set_etype_list [34] ZT GH
krb5_get_init_creds_opt_set_expire_callback [35] ZT GH
krb5_get_init_creds_opt_set_fast_ccache [36] ZT GH
krb5_get_init_creds_opt_set_fast_ccache_name [37] ZT GH
krb5_get_init_creds_opt_set_fast_flags [38] ZT GH
krb5_get_init_creds_opt_set_forwardable [39] ZT GH
krb5_get_init_creds_opt_set_out_ccache [40] ZT GH
krb5_get_init_creds_opt_set_pa [41] ZT GH
krb5_get_init_creds_opt_set_preauth_list [42] ZT GH
krb5_get_init_creds_opt_set_proxiable [43] ZT GH
krb5_get_init_creds_opt_set_renew_life [44] ZT GH
krb5_get_init_creds_opt_set_salt [45] ZT GH
krb5_get_init_creds_opt_set_tkt_life [46] ZT GH
krb5_get_init_creds_password [47] ZT GH
krb5_get_profile [48] ZT GH
krb5_get_prompt_types [49] ZT GH
krb5_get_renewed_creds [50] ZT GH
krb5_get_validated_creds [51] ZT GH
krb5_init_context [52] ZT GH
krb5_init_secure_context [53] ZT GH
krb5_is_config_principal [54] ZT GH
krb5_is_thread_safe [55] ZT GH
krb5_kt_close [56] ZT GH
krb5_kt_default [57] ZT GH
krb5_kt_default_name [58] ZT GH
krb5_kt_get_name [59] ZT GH
krb5_kt_get_type [60] ZT GH
krb5_kt_resolve [61] ZT GH
krb5_kuserok [62] ZT GH
krb5_parse_name [63] ZT GH
krb5_parse_name_flags [64] ZT GH
krb5_principal_compare [65] ZT GH
krb5_principal_compare_any_realm [66] ZT GH
krb5_principal_compare_flags [67] ZT GH
krb5_prompter_posix [68] ZT GH
krb5_realm_compare [69] ZT GH
krb5_recvauth [70] ZT GH
krb5_recvauth_version [71] ZT GH
krb5_set_default_realm [72] ZT GH
krb5_set_password [73] ZT GH
krb5_set_password_using_ccache [74] ZT GH
krb5_set_principal_realm [75] ZT GH
krb5_set_trace_callback [76] ZT GH
krb5_set_trace_filename [77] ZT GH
krb5_sname_to_principal [78] ZT GH
krb5_unparse_name [79] ZT GH
krb5_unparse_name_ext [80] ZT GH
krb5_unparse_name_flags [81] ZT GH
krb5_unparse_name_flags_ext [82] ZT GH
krb5_us_timeofday [83] ZT GH
krb5_verify_authdata_kdc_issued [84] ZT GH

Abbreviations

abbreviation full names?
GH Greg Hudson
KR Ken Raeburn
MIT MITKC group
TY Tom Yu
ZT Zhanna Tsitkova
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