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238 Lotus Security Handbook Standard extensions include subject and issuer attributes, certification policy information, and key usage restrictions, among others. The structure of an X.509 V3 certificate is illustrated in Figure 6-18. Figure 6-18 Structure of an X.509 certificate Certificate data is written in abstract syntax notation 1 (ASN.1) syntax rule, as can be seen in Figure 6-19.
Certificate ::= SEQUENCE { tbsCertificate TBSCertificate, signatureAlgorithm AlgorithmIdentifier, signatureValue BIT STRING } TBSCertificate ::= SEQUENCE { version [0] EXPLICIT Version DEFAULT v1, serialNumber CertificateSerialNumber, signature AlgorithmIdentifier, issuer Name, validity Validity, subject Name, subjectPublicKeyInfo SubjectPublicKeyInfo, issuerUniqueID [1] IMPLICIT UniqueIdentifier OPTIONAL, subjectUniqueID [2] IMPLICIT UniqueIdentifier OPTIONAL, extensions [3] EXPLICIT Extensions OPTIONAL } Figure 6-19 Abstract syntax notation 1 (ASN.1) representation of an X.509 certificate It is then converted into binary data along with ASN.1 distinguished encoding rules (DER). ASN.1 is a data description language and defined as X.208 and X.209 standard by the ITU-T. This operation enables certificate data independent from each platform’s encoding rule. In some fields of a certificate, an object identifier (OID) is used to represent the specific series of parameter values. For example, in Figure 6-19, it is possible to see the AlgorithmIdentifier for signatureAlgorithm, which actually consists of an object identifier (OID) and optional parameters. This OID represents a specific algorithm used for digital signatures of the certificate issuer (CA). The application that verifies the certificate’s signature has to understand the OID that represents the encryption algorithm and message digest algorithm, along with other information. Internet cross-certificate While on the topic of certificates, let’s take a moment to <strong>cover</strong> Internet cross-certificates, since we <strong>cover</strong>ed the topic of cross-certificates in the Notes PKI. An Internet cross-certificate, like a normal Internet certificate, is a certificate that validates the identity of a user or server. This type of certificate ensures the recipient of an encrypted S/MIME message that the sender's certificate can be trusted and that the certificate used to sign an S/MIME message is valid. It also validates the identity of a server when a Notes client uses SSL to access an Internet server. Chapter 6. Public key infrastructures 239
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Figure 2-16 Sample PKI digital cert
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292 Lotus Security Handbook Debuggi
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388 Lotus Security Handbook - MacOS
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410 Lotus Security Handbook Enablin
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412 Lotus Security Handbook So, it
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10.1 Components of the Notes/Domino
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418 Lotus Security Handbook ► Una
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420 Lotus Security Handbook but a S
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422 Lotus Security Handbook Certifi
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10.4 Conclusion 426 Lotus Security
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428 Lotus Security Handbook ► Roa
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New for Domino 6 430 Lotus Security
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434 Lotus Security Handbook If a us
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440 Lotus Security Handbook Figure
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442 Lotus Security Handbook Using e
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444 Lotus Security Handbook ► Con
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448 Lotus Security Handbook but the
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450 Lotus Security Handbook organiz
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452 Lotus Security Handbook install
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454 Lotus Security Handbook You con
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456 Lotus Security Handbook The Dom
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460 Lotus Security Handbook server,
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462 Lotus Security Handbook Client
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464 Lotus Security Handbook form, g
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466 Lotus Security Handbook Table 1
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11.8 Notes ID recovery 468 Lotus Se
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470 Lotus Security Handbook For eac
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472 Lotus Security Handbook ► Ses
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11.9.2 Multi-server session-based a
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476 Lotus Security Handbook 4. Save
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478 Lotus Security Handbook databas
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480 Lotus Security Handbook Similar
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482 Lotus Security Handbook How ser
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486 Lotus Security Handbook NextExp
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488 Lotus Security Handbook Connect
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490 Lotus Security Handbook At this
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494 Lotus Security Handbook Example
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502 Lotus Security Handbook of whet
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504 Lotus Security Handbook To ente
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510 Lotus Security Handbook and the
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512 Lotus Security Handbook even wh
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514 Lotus Security Handbook Prefix
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Table 11-13 Conflict between denied
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518 Lotus Security Handbook Control
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520 Lotus Security Handbook “Deny
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11.12.2 Mail policy management New
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Table 11-15 Rule conditions 524 Lot
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Action name Description Change rout
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Table 11-17 DOLS security options O
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530 Lotus Security Handbook For inf
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532 Lotus Security Handbook If the
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12.1 Lotus Team Workplace (QuickPla
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538 Lotus Security Handbook Externa
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542 Lotus Security Handbook ► Ena
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12.2.2 Proxy support for Sametime c
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546 Lotus Security Handbook ► By
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548 Lotus Security Handbook If the
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12.3 Domino Web Access (iNotes) 12.
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12.3.2 Encrypting a mail file on a
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12.3.5 Protection against malicious
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12.4 Lotus Workplace 556 Lotus Secu
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12.5 IBM WebSphere Portal 12.5.1 Au
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560 Lotus Security Handbook WebSphe
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564 Lotus Security Handbook externa
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566 Lotus Security Handbook this ti
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570 Lotus Security Handbook Authent
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572 Lotus Security Handbook Using T
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574 Lotus Security Handbook ► Con
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578 Lotus Security Handbook ► Lot
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Figure 13-2 Mail file 584 Lotus Sec
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14.1 Basic internal collaboration (
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Figure 14-2 Web SSO configuration b
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Figure 14-17 Basic Settings 606 Lot
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Figure 14-19 Request Routing 608 Lo
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Figure 14-21 Firewall rules 14.3 In
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620 Lotus Security Handbook mapping
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624 Lotus Security Handbook ► rem
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630 Lotus Security Handbook ► It
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642 Lotus Security Handbook 3. To t
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* Notes SDK include files */ #inclu
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} /*--- * filter termination */ uns
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*/ if (authData->userName && authDa
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goto NoUnlockExit; pLookup = (char
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} } ValueLength -= sizeof(WORD); /*
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* *********************************
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if (getspnam_r(userName, &result, b
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672 Lotus Security Handbook The plu
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674 L
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Hostname="localhost.dotnsf.com" Por
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[Mon Jun 09 12:06:54 2003] 00000d54
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Other publications Online resources
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Certificate authorities Domino 260
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kFilterParsedRequest Event 299 kFil
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object classes 316 objectclass eDom
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and iNotes 498 events 492 flowchart
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and WebSphere Portal 622 benefits 2
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Lotus Security Handbook Key securit
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