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S/MIME Example Keys and Certificates
draft-ietf-lamps-samples-03

The information below is for an old version of the document.
Document Type
This is an older version of an Internet-Draft that was ultimately published as RFC 9216.
Author Daniel Kahn Gillmor
Last updated 2021-05-14 (Latest revision 2021-05-12)
Replaces draft-dkg-lamps-samples
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draft-ietf-lamps-samples-03
lamps                                                  D.K. Gillmor, Ed.
Internet-Draft                                                      ACLU
Intended status: Informational                               14 May 2021
Expires: 15 November 2021

                  S/MIME Example Keys and Certificates
                      draft-ietf-lamps-samples-03

Abstract

   The S/MIME development community benefits from sharing samples of
   signed or encrypted data.  This document facilitates such
   collaboration by defining a small set of X.509v3 certificates and
   keys for use when generating such samples.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on 15 November 2021.

Copyright Notice

   Copyright (c) 2021 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents (https://trustee.ietf.org/
   license-info) in effect on the date of publication of this document.
   Please review these documents carefully, as they describe your rights
   and restrictions with respect to this document.  Code Components
   extracted from this document must include Simplified BSD License text
   as described in Section 4.e of the Trust Legal Provisions and are
   provided without warranty as described in the Simplified BSD License.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   4
     1.2.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   4
     1.3.  Prior Work  . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  Background  . . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.1.  Certificate Usage . . . . . . . . . . . . . . . . . . . .   5
     2.2.  Certificate Expiration  . . . . . . . . . . . . . . . . .   5
     2.3.  Certificate Revocation  . . . . . . . . . . . . . . . . .   5
     2.4.  Using the CA in Test Suites . . . . . . . . . . . . . . .   5
     2.5.  Certificate Chains  . . . . . . . . . . . . . . . . . . .   6
     2.6.  Passwords . . . . . . . . . . . . . . . . . . . . . . . .   6
     2.7.  Secret key origins  . . . . . . . . . . . . . . . . . . .   7
   3.  Example RSA Certification Authority . . . . . . . . . . . . .   7
     3.1.  RSA Certification Authority Root Certificate  . . . . . .   7
     3.2.  RSA Certification Authority Secret Key  . . . . . . . . .   8
     3.3.  RSA Certification Authority Cross-signed Certificate  . .   9
   4.  Alice's Sample Certificates . . . . . . . . . . . . . . . . .  10
     4.1.  Alice's Signature Verification End-Entity Certificate . .  10
     4.2.  Alice's Signing Private Key Material  . . . . . . . . . .  11
     4.3.  Alice's Encryption End-Entity Certificate . . . . . . . .  12
     4.4.  Alice's Decryption Private Key Material . . . . . . . . .  13
     4.5.  PKCS12 Object for Alice . . . . . . . . . . . . . . . . .  14
   5.  Bob's Sample  . . . . . . . . . . . . . . . . . . . . . . . .  17
     5.1.  Bob's Signature Verification End-Entity Certificate . . .  18
     5.2.  Bob's Signing Private Key Material  . . . . . . . . . . .  18
     5.3.  Bob's Encryption End-Entity Certificate . . . . . . . . .  19
     5.4.  Bob's Decryption Private Key Material . . . . . . . . . .  20
     5.5.  PKCS12 Object for Bob . . . . . . . . . . . . . . . . . .  21
   6.  Example Ed25519 Certification Authority . . . . . . . . . . .  24
     6.1.  Ed25519 Certification Authority Root Certificate  . . . .  25
     6.2.  Ed25519 Certification Authority Secret Key  . . . . . . .  25
     6.3.  Ed25519 Certification Authority Cross-signed
           Certificate . . . . . . . . . . . . . . . . . . . . . . .  25
   7.  Carlos's Sample Certificates  . . . . . . . . . . . . . . . .  26
     7.1.  Carlos's Signature Verification End-Entity Certificate  .  26
     7.2.  Carlos's Signing Private Key Material . . . . . . . . . .  27
     7.3.  Carlos's Encryption End-Entity Certificate  . . . . . . .  27
     7.4.  Carlos's Decryption Private Key Material  . . . . . . . .  27
     7.5.  PKCS12 Object for Carlos  . . . . . . . . . . . . . . . .  28
   8.  Dana's Sample Certificates  . . . . . . . . . . . . . . . . .  29
     8.1.  Dana's Signature Verification End-Entity Certificate  . .  29
     8.2.  Dana's Signing Private Key Material . . . . . . . . . . .  29
     8.3.  Dana's Encryption End-Entity Certificate  . . . . . . . .  30
     8.4.  Dana's Decryption Private Key Material  . . . . . . . . .  30
     8.5.  PKCS12 Object for Dana  . . . . . . . . . . . . . . . . .  30
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .  32

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   10. IANA Considerations . . . . . . . . . . . . . . . . . . . . .  32
   11. Document Considerations . . . . . . . . . . . . . . . . . . .  32
     11.1.  Document History . . . . . . . . . . . . . . . . . . . .  32
       11.1.1.  Substantive Changes from draft-ietf-*-02 to
               draft-ietf-*-03 . . . . . . . . . . . . . . . . . . .  32
       11.1.2.  Substantive Changes from draft-ietf-*-01 to
               draft-ietf-*-02 . . . . . . . . . . . . . . . . . . .  32
       11.1.3.  Substantive Changes from draft-ietf-*-00 to
               draft-ietf-*-01 . . . . . . . . . . . . . . . . . . .  33
       11.1.4.  Substantive Changes from draft-dkg-*-05 to
               draft-ietf-*-00 . . . . . . . . . . . . . . . . . . .  33
       11.1.5.  Substantive Changes from draft-dkg-*-04 to
               draft-dkg-*-05  . . . . . . . . . . . . . . . . . . .  33
       11.1.6.  Substantive Changes from draft-dkg-*-03 to
               draft-dkg-*-04  . . . . . . . . . . . . . . . . . . .  33
       11.1.7.  Substantive Changes from draft-dkg-*-02 to
               draft-dkg-*-03  . . . . . . . . . . . . . . . . . . .  33
       11.1.8.  Substantive Changes from draft-dkg-*-01 to
               draft-dkg-*-02  . . . . . . . . . . . . . . . . . . .  33
       11.1.9.  Substantive Changes from draft-dkg-*-00 to
               draft-dkg-*-01  . . . . . . . . . . . . . . . . . . .  33
   12. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  33
   13. References  . . . . . . . . . . . . . . . . . . . . . . . . .  34
     13.1.  Normative References . . . . . . . . . . . . . . . . . .  34
     13.2.  Informative References . . . . . . . . . . . . . . . . .  35
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .  36

1.  Introduction

   The S/MIME ([RFC8551]) development community, in particular the
   e-mail development community, benefits from sharing samples of signed
   and/or encrypted data.  Often the exact key material used does not
   matter because the properties being tested pertain to implementation
   correctness, completeness or interoperability of the overall system.
   However, without access to the relevant secret key material, a sample
   is useless.

   This document defines a small set of X.509v3 certificates ([RFC5280])
   and secret keys for use when generating or operating on such samples.

   An example RSA certification authority is supplied, and sample RSA
   certificates are provided for two "personas", Alice and Bob.

   Additionally, an Ed25519 ([RFC8032]) certification authority is
   supplied, along with sample Ed25519 certificates for two more
   "personas", Carlos and Dana.

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   This document focuses narrowly on functional, well-formed identity
   and key material.  It is a starting point that other documents can
   use to develop sample signed or encrypted messages, test vectors, or
   other artifacts for improved interoperability.

1.1.  Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
   "OPTIONAL" in this document are to be interpreted as described in BCP
   14 [RFC2119] [RFC8174] when, and only when, they appear in all
   capitals, as shown here.

1.2.  Terminology

   *  "Certification Authority" (or "CA") is a party capable of issuing
      X.509 certificates

   *  "End-Entity" is a party that is capable of using X.509
      certificates (and their corresponding secret key material)

   *  "Mail User Agent" (or "MUA") is a program that generates or
      handles [RFC5322] e-mail messages.

1.3.  Prior Work

   [RFC4134] contains some sample certificates, as well as messages of
   various S/MIME formats.  That older work has unacceptably old
   algorithm choices that may introduce failures when testing modern
   systems: in 2019, some tools explicitly mark 1024-bit RSA and
   1024-bit DSS as weak.

   This earlier document also does not use the now widely-accepted PEM
   encoding for the objects, and instead embeds runnable perl code to
   extract them from the document.

   It also includes examples of messages and other structures which are
   greater in ambition than this document intends to be.

   [RFC8410] includes an example X25519 certificate that is certified
   with Ed25519, but it appears to be self-issued, and it is not
   directly useful in testing an S/MIME-capable MUA.

2.  Background

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2.1.  Certificate Usage

   These X.509 certificates ([RFC5280]) are designed for use with S/MIME
   protections ([RFC8551]) for e-mail ([RFC5322]).

   In particular, they should be usable with signed and encrypted
   messages, as part of test suites and interoperability frameworks.

   All end-entity and intermediate CA certificates are marked with
   Certificate Policies from [TEST-POLICY] indicating that they are
   intended only for use in testing environments.  End-entity
   certificates are marked with policy 2.16.840.1.101.3.2.1.48.1 and
   intermediate CAs are marked with policy 2.16.840.1.101.3.2.1.48.2.

2.2.  Certificate Expiration

   The certificates included in this draft expire in 2052.  This should
   be sufficiently far in the future that they will be useful for a few
   decades.  However, when testing tools in the far future (or when
   playing with clock skew scenarios), care should be taken to consider
   the certificate validity window.

   Due to this lengthy expiration window, these certificates will not be
   particularly useful to test or evaluate the interaction between
   certificate expiration and protected messages.

2.3.  Certificate Revocation

   Because these are expected to be used in test suites or examples, and
   we do not expect there to be online network services in these use
   cases, we do not expect these certificates to produce any revocation
   artifacts.

   As a result, there are no OCSP or CRL indicators in any of the
   certificates.

2.4.  Using the CA in Test Suites

   To use these end-entity certificates in a piece of software (for
   example, in a test suite or an interoperability matrix), most tools
   will need to accept either the Example RSA CA (Section 3) or the
   Example Ed25519 CA (Section 6) as a legitimate root authority.

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   Note that some tooling behaves differently for certificates validated
   by "locally-installed root CAs" than for pre-installed "system-level"
   root CAs).  For example, many common implementations of HPKP
   ([RFC7469]) only applied the designed protections when dealing with a
   certificate issued by a pre-installed "system-level" root CA, and
   were disabled when dealing with a certificate issued by a "locally-
   installed root CA".

   To test some tooling specifically, it may be necessary to install the
   root CA as a "system-level" root CA.

2.5.  Certificate Chains

   In most real-world examples, X.509 certificates are deployed with a
   chain of more than one X.509 certificate.  In particular, there is
   typically a long-lived root CA that users' software knows about upon
   installation, and the end-entity certificate is issued by an
   intermediate CA, which is in turn issued by the root CA.

   The example end-entity certificates in this document can be used with
   either a simple two-link certificate chain (they are directly
   certified by their corresponding root CA), or in a three-link chain.

   For example, Alice's encryption certificate (Section 4.3,
   "alice.encrypt.crt") can be validated by a peer that directly trusts
   the Example RSA CA's root cert (Section 3.1, "ca.rsa.crt"):

   ╔════════════╗  ┌───────────────────┐
   ║ ca.rsa.crt ╟─→│ alice.encrypt.crt │
   ╚════════════╝  └───────────────────┘

   And it can also be validated by a peer that only directly trusts the
   Example Ed25519 CA's root cert (Section 6.1, "ca.25519.crt"), via an
   intermediate cross-signed CA cert (Section 3.3, "ca.rsa.cross.crt"):

   ╔══════════════╗  ┌──────────────────┐  ┌───────────────────┐
   ║ ca.25519.crt ╟─→│ ca.rsa.cross.crt ├─→│ alice.encrypt.crt │
   ╚══════════════╝  └──────────────────┘  └───────────────────┘

   By omitting the cross-signed CA certs, it should be possible to test
   a "transvalid" certificate (an end-entity certificate that is
   supplied without its intermediate certificate) in some
   configurations.

2.6.  Passwords

   Each secret key presented in this draft is unprotected (it has no
   password).

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   As such, the secret key objects are not suitable for verifying
   interoperable password protection schemes.

   However, the PKCS#12 [RFC7292] objects do have simple textual
   passwords, because tooling for dealing with passwordless PKCS#12
   objects is underdeveloped at the time of this draft.

2.7.  Secret key origins

   The secret RSA keys in this document are all deterministically
   derived using provable prime generation as found in [FIPS186-4],
   based on known seeds derived via [SHA256] from simple strings.  The
   secret Ed25519 and X25519 keys in this document are all derived by
   hashing a simple string.  The seeds and their derivation are included
   in the document for informational purposes, and to allow re-creation
   of the objects from appropriate tooling.

   All RSA seeds used are 224 bits long (the first 224 bits of the
   SHA-256 digest of the origin string), and are represented in
   hexadecimal.

3.  Example RSA Certification Authority

   The example RSA Certification Authority has the following
   information:

   *  Name: "Sample LAMPS RSA Certification Authority"

3.1.  RSA Certification Authority Root Certificate

   This cerificate is used to verify certificates issued by the example
   RSA Certification Authority.

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   -----BEGIN CERTIFICATE-----
   MIIDezCCAmOgAwIBAgITcBn0xb/zdaeCQlqp6yZUAGZUCDANBgkqhkiG9w0BAQ0F
   ADBVMTEwLwYDVQQDEyhTYW1wbGUgTEFNUFMgUlNBIENlcnRpZmljYXRpb24gQXV0
   aG9yaXR5MREwDwYDVQQLEwhMQU1QUyBXRzENMAsGA1UEChMESUVURjAgFw0xOTEx
   MjAwNjU0MThaGA8yMDUyMDkyNzA2NTQxOFowVTExMC8GA1UEAxMoU2FtcGxlIExB
   TVBTIFJTQSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTERMA8GA1UECxMITEFNUFMg
   V0cxDTALBgNVBAoTBElFVEYwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB
   AQC2GGPTEFVNdi0LsiQ79A0Mz2G+LRJlbX2vNo8STibAnyQ9VzFrGJHjUhRX/Omr
   OP3rDCB2SYfBPVwd0CdC6z9qfJkcVxDc1hK+VS9vKncL0IPUYlkJwWuMpXa1Ielz
   +zCuV+gjV83Uvn6wTn39MCmymu7nFPzihcuOnbMYOCdMmUbi1Dm8TX9P6itFR3hi
   IHpSKMbkoXlM1837WaFfx57kBIoIuNjKEyPIuK9wGUAeppc5QAHJg95PPEHNHlmM
   yhBzClmgkyozRSeSrkxq9XeJKU94lWGaZ0zb4karCur/eiMoCk3YNV8L3styvcMG
   1qUDCAaKx6FZEf7hE9RN6L3bAgMBAAGjQjBAMA8GA1UdEwEB/wQFMAMBAf8wDgYD
   VR0PAQH/BAQDAgEGMB0GA1UdDgQWBBSRMI58BxcMp/EJKGU2GmccaHb0WTANBgkq
   hkiG9w0BAQ0FAAOCAQEAY02+M6kP215ji21w/fGQ6qZ0FlbgL3VS/zmoHZ4Jd82Y
   5A/Hh/bCaDHI8Cb0tMkF7tU+Ly4LX2ruH5VQLjgntCGsaD+pYAH4eGd7Nleras++
   IGnhfdfLQHAIzqAZFNjb0xQ6QjRFQrBRfCJKnvYx5NFmLeTuIjSGEqJhADF7EpVQ
   X3kYQ52RfeY9EbcaNG0jHlrz9A3XDmpliyZ6ASh+RqVHoNht302WymkZvZMHgBpC
   RptVcy0EbkILYL3CG0ollTPkuI2Lo7nCZJGplT8HZTbCab/ssCf1YFpqK2SOGchC
   BUw2pCMnWMNMFQjvFc4QwNNFrRaGOeO4allo52D6eA==
   -----END CERTIFICATE-----

3.2.  RSA Certification Authority Secret Key

   This secret key material is used by the example RSA Certification
   Authority to issue new certificates.

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   -----BEGIN PRIVATE KEY-----
   MIIE+wIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQC2GGPTEFVNdi0L
   siQ79A0Mz2G+LRJlbX2vNo8STibAnyQ9VzFrGJHjUhRX/OmrOP3rDCB2SYfBPVwd
   0CdC6z9qfJkcVxDc1hK+VS9vKncL0IPUYlkJwWuMpXa1Ielz+zCuV+gjV83Uvn6w
   Tn39MCmymu7nFPzihcuOnbMYOCdMmUbi1Dm8TX9P6itFR3hiIHpSKMbkoXlM1837
   WaFfx57kBIoIuNjKEyPIuK9wGUAeppc5QAHJg95PPEHNHlmMyhBzClmgkyozRSeS
   rkxq9XeJKU94lWGaZ0zb4karCur/eiMoCk3YNV8L3styvcMG1qUDCAaKx6FZEf7h
   E9RN6L3bAgMBAAECggEAE3tFhsm7DpgDlro+1Sk1kjbHssR4sOBHb4zrPp6c18PO
   6T8gWuBcj1DzOzykNTzaMaDxAia4vuxVJB1mberkNHzTFqyb8bx3ceSEOCT3aoyq
   5fiFpR0L6Ba1vgg8RTvNCAIApHNa4pVk0XD8Wq+h7mlUAOYGbie5UO8/P2qWjcOz
   +zcheyYXJS/iuu0t2/F0ihEWGcXBmoc8D++n7mKst2jkAHD4wlPN2MgVqnmagpBz
   gobFNmCZyZpDS+PPTtQZ1XvdGF5Sodc+Fz+jpWun1kqxDHE4UIZzDA/HAaBgORbm
   aEZaVsOs9ZExeqOtqu2fPB7zF/1JKdRk4UJOUxS0OQKBgQDJwonP5RwvO0sYoCiw
   zuFcYTmN/hI3R3viKuxr19CH6+mvuIU85ooIHF6TiouZwhk+6+Vk7rcXdS554DT4
   2RbVrX/5i/MOzx8c8IIwoZJIasLz+vx8F4n6hyhV65bXN7AIBojMh2dt8tP2MZ/R
   VEfsk4mNmO6yKuzyAfjJziCnCQKBgQDnDH9UYUIPkq0PSvViKQFJFCB9BJPFhld2
   pIgoziw/JZzM3W3IWU0KWG7UxS0T3xmn3IX6xmWW4vX1/088ybObZWYP0edb61GM
   I9DoI5igndLgDwyOL2PFuZh5pqqc09DE+cpJW4nNoudqTNmCrjhmxNCGKgGjlD8z
   /OkSccvywwKBgDd0ReajRUziEjDxjF2UbzKx8lzJsX4KIs22GIdHqSRCvlcy80Qa
   5WN3ULNiyB350HCP69wDFMXYym5rJoQjPvh6GIuhYKv4V8fffxkYv5kx5uWiXZVJ
   7v2x+m8rMqlyv+pkyWLV8KKytHmdiBzD+oTWxF7r4ueLjtaxngzxn93pAoGBAKpR
   rR9PnroKHubSE/drUNZFLvnZwPDv6lO8T978tONL372pUT9KjR8eN31DaMpoQOpc
   BqvpSoQjBLt1nDysV2krI0RwMIOzAWc0E9C8RMvJ6+RdU50Q1BSyjvLGaKi5AAHk
   PTk8cGYVO1BCHGlX8p3XYfw0xQaHxtuVCV8eYgCvAoGBAIZeiVhc0YTJOjUadz+0
   vSOzA1arg5k2YCPCGf7z+ijM5rbMk7jrYixD6WMjTOkVLHDsVxMBpbA7GhL7TKy5
   cepBH1PVwxEIl8dqN+UoeJeBpnHo/cjJ0iCR9/aMJzI+qiUo3OMDR+UH99NIddKN
   i75GRVLAeW0Izgt09EMEiD9joDswOQYKKwYBBAGSCBIIATErMCkGCWCGSAFlAwQC
   AgQcpcG3hHYU7WYaawUiNRQotLfwnYzMotmTAt1i6Q==
   -----END PRIVATE KEY-----

   This secret key was generated using provable prime generation found
   in [FIPS186-4] using the seed
   "a5c1b7847614ed661a6b0522351428b4b7f09d8ccca2d99302dd62e9".  This
   seed is the first 224 bits of the [SHA256] digest of the string
   "draft-lamps-sample-certs-keygen.ca.rsa.seed".

3.3.  RSA Certification Authority Cross-signed Certificate

   If an e-mail client only trusts the Ed25519 Certification Authority
   Root Certificate found in Section 6.1, they can use this intermediate
   CA certificate to verify any end entity certificate issued by the
   example RSA Certification Authority.

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   -----BEGIN CERTIFICATE-----
   MIIC5zCCApmgAwIBAgITcTQnnf8DUsvAdvkX7mUemYos7DAFBgMrZXAwWTE1MDMG
   A1UEAxMsU2FtcGxlIExBTVBTIEVkMjU1MTkgQ2VydGlmaWNhdGlvbiBBdXRob3Jp
   dHkxETAPBgNVBAsTCExBTVBTIFdHMQ0wCwYDVQQKEwRJRVRGMCAXDTIwMTIxNTIx
   MzU0NFoYDzIwNTIwOTI3MDY1NDE4WjBVMTEwLwYDVQQDEyhTYW1wbGUgTEFNUFMg
   UlNBIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MREwDwYDVQQLEwhMQU1QUyBXRzEN
   MAsGA1UEChMESUVURjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALYY
   Y9MQVU12LQuyJDv0DQzPYb4tEmVtfa82jxJOJsCfJD1XMWsYkeNSFFf86as4/esM
   IHZJh8E9XB3QJ0LrP2p8mRxXENzWEr5VL28qdwvQg9RiWQnBa4yldrUh6XP7MK5X
   6CNXzdS+frBOff0wKbKa7ucU/OKFy46dsxg4J0yZRuLUObxNf0/qK0VHeGIgelIo
   xuSheUzXzftZoV/HnuQEigi42MoTI8i4r3AZQB6mlzlAAcmD3k88Qc0eWYzKEHMK
   WaCTKjNFJ5KuTGr1d4kpT3iVYZpnTNviRqsK6v96IygKTdg1Xwvey3K9wwbWpQMI
   BorHoVkR/uET1E3ovdsCAwEAAaN8MHowDwYDVR0TAQH/BAUwAwEB/zAXBgNVHSAE
   EDAOMAwGCmCGSAFlAwIBMAIwDgYDVR0PAQH/BAQDAgEGMB0GA1UdDgQWBBSRMI58
   BxcMp/EJKGU2GmccaHb0WTAfBgNVHSMEGDAWgBRropV9uhSb5C0E0Qek0YLkLmuM
   tTAFBgMrZXADQQAXVKenodj2S7ct9xaQhUZQhpbvFPX7G1fUNH+7hBthwYBQm1gy
   rSI/zpJ4I9seDTN4e2cWf2BbOhYE4WOgdoUB
   -----END CERTIFICATE-----

4.  Alice's Sample Certificates

   Alice has the following information:

   *  Name: "Alice Lovelace"

   *  E-mail Address: "alice@smime.example"

4.1.  Alice's Signature Verification End-Entity Certificate

   This certificate is used for verification of signatures made by
   Alice.

Gillmor                 Expires 15 November 2021               [Page 10]
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   -----BEGIN CERTIFICATE-----
   MIIDzzCCAregAwIBAgITN0EFee11f0Kpolw69Phqzpqp1zANBgkqhkiG9w0BAQ0F
   ADBVMTEwLwYDVQQDEyhTYW1wbGUgTEFNUFMgUlNBIENlcnRpZmljYXRpb24gQXV0
   aG9yaXR5MREwDwYDVQQLEwhMQU1QUyBXRzENMAsGA1UEChMESUVURjAgFw0xOTEx
   MjAwNjU0MThaGA8yMDUyMDkyNzA2NTQxOFowOzEXMBUGA1UEAxMOQWxpY2UgTG92
   ZWxhY2UxETAPBgNVBAsTCExBTVBTIFdHMQ0wCwYDVQQKEwRJRVRGMIIBIjANBgkq
   hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtPSJ6Fg4Fj5Nmn9PkrYo0jTkfCv4TfA/
   pdO/KLpZbJOAEr0sI7AjaO7B1GuMUFJeSTulamNfCwDcDkY63PQWl+DILs7GxVwX
   urhYdZlaV5hcUqVAckPvedDBc/3rz4D/esFfs+E7QMFtmd+K04s+A8TCNO12DRVB
   DpbP4JFD9hsc8prDtpGmFk7rd0q8gqnhxBW2RZAeLqzJOMayCQtws1q7ktkNBR2w
   ZX5ICjecF1YJFhX4jrnHwp/iELGqqaNXd3/Y0pG7QFecN7836IPPdfTMSiPR+peC
   rhJZwLSewbWXLJe3VMvbvQjoBMpEYlaJBUIKkO1zQ1Pq90njlsJLOwIDAQABo4Gv
   MIGsMAwGA1UdEwEB/wQCMAAwFwYDVR0gBBAwDjAMBgpghkgBZQMCATABMB4GA1Ud
   EQQXMBWBE2FsaWNlQHNtaW1lLmV4YW1wbGUwEwYDVR0lBAwwCgYIKwYBBQUHAwQw
   DgYDVR0PAQH/BAQDAgbAMB0GA1UdDgQWBBS79syyLR0GEhyXrilqkBDTIGZmczAf
   BgNVHSMEGDAWgBSRMI58BxcMp/EJKGU2GmccaHb0WTANBgkqhkiG9w0BAQ0FAAOC
   AQEAfJC5d/T2BRJqtvOfdUe005rRzp4oY9mNdSOIGBTWBOMLEXqtzGrJyNW6QbpA
   A4k2pA9wm2xj0NocJyONKKKmivMV7YUnxpRSN9uUM23g3DfeSWwoo0ZT7YKO5MWp
   cv9Ifq0S70T2mympzRMhe1W3uR9AbS0saLQHPEJ5sxRSDSsla3AIQ+mFzUkxK37X
   0Y1B5kz1v7h7Oty4ADrV+Ye4HJlfKV+9h0ilG01/QPFcaOV69Ax9X5vxhK9/FsUt
   TGKH6kCtvnbDI3H5oyB87x5MnvU/HENdUeIoM+FMXtRD0qDm4JNj1XxfnYR6eTyl
   XjCWOO/3PQUnQvDBPuEMITvAAw==
   -----END CERTIFICATE-----

4.2.  Alice's Signing Private Key Material

   This private key material is used by Alice to create signatures.

Gillmor                 Expires 15 November 2021               [Page 11]
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   -----BEGIN PRIVATE KEY-----
   MIIE+gIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQC09InoWDgWPk2a
   f0+StijSNOR8K/hN8D+l078oullsk4ASvSwjsCNo7sHUa4xQUl5JO6VqY18LANwO
   Rjrc9BaX4MguzsbFXBe6uFh1mVpXmFxSpUByQ+950MFz/evPgP96wV+z4TtAwW2Z
   34rTiz4DxMI07XYNFUEOls/gkUP2GxzymsO2kaYWTut3SryCqeHEFbZFkB4urMk4
   xrIJC3CzWruS2Q0FHbBlfkgKN5wXVgkWFfiOucfCn+IQsaqpo1d3f9jSkbtAV5w3
   vzfog8919MxKI9H6l4KuElnAtJ7BtZcsl7dUy9u9COgEykRiVokFQgqQ7XNDU+r3
   SeOWwks7AgMBAAECggEAFKD2DG9A1u77q3u3p2WDH3zueTtiqgaT8u8XO+jhOI/+
   HzoX9eo8DIJ/b/G3brwHyfh17JFvLH1zbgsn5bghJTz3r+JcZZ5l3srqMV8t8zjI
   JEHOKC3szH8gYVKWrIgBAqOt1H9Ti8J2oKk2aymqBFr3ZXpBUCTWpEz2s3FMBUUI
   qCEsAJqsdEch+kt43X5kvAom7LC1DHiE6RKfhMEub/LGNHSwY4dmzhaG6p95FJ1h
   s8HoURI2ReVpsTadaKd3KoYNc1lcffmwdZs/hFs7xmmwXKMmlonh1mzHqD1/BqeJ
   Hc8MP4ueDdyVgIe/uVtlQ9NcRQbuokkDyDYMYV6hzQKBgQD75ahYGFGZznRKtSE3
   w/2rUqTYIWxx2PQz5G58PcsTZM89Hj4aZOoLmudHbrTQHluRNcHoXEI62rs0cVPs
   D7IlZOLfs+SSTeNEXxD57mjyyufpV65OcNc1mSJAmMX2jWQ8ndnOuWPcc5J6fNvT
   au0a7ZBOaeKHnA8XXL3GYilM9QKBgQC35xKi7f2JmGtsYY21tfRuDUm6EjhMW6b7
   GWnI9IXF8TGj15s7oDEYvqSPTJdB6PAb/tZwdbj9mB4qj176x1kB/N7GO974O8UP
   /PdHkU7duyf5nRq1mrI+yGFHVsGD313rc+akYdKcC207e6IRMST1ZFoznC6qNgpi
   nNTuDz4ZbwKBgA5Dd9/dKKm77gvY69Objn6oBFuUsO5VaaaSlcsFOL2VZMLCNqQJ
   +NLFZ7k8xJJQVcEIOT2uE7X/csBKdoUUcnL5nnsqVZQPQwI5G937KQgugylMZLte
   WmFXlX/w5qzKXtWr3ox9JPFzveSfs1bqZBi1QQmfp0skhBo/jyNvpYUNAoGAMNkw
   GhcdQW87GY7QFXQ/ePwOmV49lgrCT/BwKPDKl8l5ZgvfL/ddEzWQgH/XraoyHT2T
   uEuM18+QM73hfLt26RBCHGXK1CUMMzL+fAQc7sjH1YXlkleFASg4rrpcrKqoR+KB
   YSiayNhAK4yrf+WN66C8VPknbA7us0L1TEbAOAECgYEAtwRiiQwk3BlqENFypyc8
   0Q1pxp3U7ciHi8mni0kNcTqe57Y/2o8nY9ISnt1GffMs79YQfRXTRdEm2St6oChI
   9Cv5j74LHZXkgEVFfO2Nq/uwSzTZkePk+HoPJo4WtAdokZgRAyyHl0gEae8Rl89e
   yBX7dutONALjRZFTrg18CuegOzA5BgorBgEEAZIIEggBMSswKQYJYIZIAWUDBAIC
   BBySyJ1DMNPY4x1P3pudD+bp/BQhQd1lpF5bQ28F
   -----END PRIVATE KEY-----

   This secret key was generated using provable prime generation found
   in [FIPS186-4] using the seed
   "92c89d4330d3d8e31d4fde9b9d0fe6e9fc142141dd65a45e5b436f05".  This
   seed is the first 224 bits of the [SHA256] digest of the string
   "draft-lamps-sample-certs-keygen.alice.sign.seed".

4.3.  Alice's Encryption End-Entity Certificate

   This certificate is used to encrypt messages to Alice.

Gillmor                 Expires 15 November 2021               [Page 12]
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   -----BEGIN CERTIFICATE-----
   MIIDzzCCAregAwIBAgITDy0lvRE5l0rOQlSHoe49NAaKtDANBgkqhkiG9w0BAQ0F
   ADBVMTEwLwYDVQQDEyhTYW1wbGUgTEFNUFMgUlNBIENlcnRpZmljYXRpb24gQXV0
   aG9yaXR5MREwDwYDVQQLEwhMQU1QUyBXRzENMAsGA1UEChMESUVURjAgFw0xOTEx
   MjAwNjU0MThaGA8yMDUyMDkyNzA2NTQxOFowOzEXMBUGA1UEAxMOQWxpY2UgTG92
   ZWxhY2UxETAPBgNVBAsTCExBTVBTIFdHMQ0wCwYDVQQKEwRJRVRGMIIBIjANBgkq
   hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmpUp+ovBouOP6AFQJ+RpwpODxxzY60n1
   lJ53pTeNSiJlWkwtw/cxQq0t4uD2vWYB8gOUH/CVt2Zp1c+auzPKJ2Zu5mY6kHm+
   hVB+IthjLeI7Htg6rNeuXq50/TuTSxX5R1I1EXGt8p6hAQVeA5oZ2afHg4b97enV
   8gozR0/Nkug4AkXmbk7THNc8vvjMUJanZ/VmS4TgDqXjWShplcI3lcvvBZMswt41
   /0HJvmSwqpS6oQcAx3Weag0yCNj1V9V9yu/3DjcYbwW2lJf5NbMHbM1LY4X5chWf
   NEbkN6hQury/zxnlsukgn+fHbqvwDhJLAgFpW/jA/EB/WI+whUpqtQIDAQABo4Gv
   MIGsMAwGA1UdEwEB/wQCMAAwFwYDVR0gBBAwDjAMBgpghkgBZQMCATABMB4GA1Ud
   EQQXMBWBE2FsaWNlQHNtaW1lLmV4YW1wbGUwEwYDVR0lBAwwCgYIKwYBBQUHAwQw
   DgYDVR0PAQH/BAQDAgUgMB0GA1UdDgQWBBSiU0HVRDyAKRV8ASPw546vzfN3DzAf
   BgNVHSMEGDAWgBSRMI58BxcMp/EJKGU2GmccaHb0WTANBgkqhkiG9w0BAQ0FAAOC
   AQEALQ1vufCQBX+6OfmdNhnVy491UaTRaVhjDteUIu6S4PYSi/ow+E8TYGNOw6R3
   Itm1XP511BF2Zfwu4FHuoQwtOodokuIdJXUVKtRRRLEemqgJUuJz9MRF4jPD0PMc
   fjhMTBNNI2ll0vuV0t9kUW5uonCdUKvddUcltCp6ojcpUVp6rvXUbkRdsR3KUJw3
   wxk0BgvwLhEHOg1yu6DUunCdb62QTbxhXec9i6zi6szDk87zOL23qejFtvhjGJi2
   RdFHV1NMYtzJdDsCpM7nc8C04+5zepj9PHU3TkwHuIUxBJ5FQA1ReLNrfx7uIYBX
   S3wwgDct4A/f28UPnT3+AXmUhw==
   -----END CERTIFICATE-----

4.4.  Alice's Decryption Private Key Material

   This private key material is used by Alice to decrypt messages.

Gillmor                 Expires 15 November 2021               [Page 13]
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   -----BEGIN PRIVATE KEY-----
   MIIE+gIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQCalSn6i8Gi44/o
   AVAn5GnCk4PHHNjrSfWUnnelN41KImVaTC3D9zFCrS3i4Pa9ZgHyA5Qf8JW3ZmnV
   z5q7M8onZm7mZjqQeb6FUH4i2GMt4jse2Dqs165ernT9O5NLFflHUjURca3ynqEB
   BV4DmhnZp8eDhv3t6dXyCjNHT82S6DgCReZuTtMc1zy++MxQlqdn9WZLhOAOpeNZ
   KGmVwjeVy+8FkyzC3jX/Qcm+ZLCqlLqhBwDHdZ5qDTII2PVX1X3K7/cONxhvBbaU
   l/k1swdszUtjhflyFZ80RuQ3qFC6vL/PGeWy6SCf58duq/AOEksCAWlb+MD8QH9Y
   j7CFSmq1AgMBAAECggEADgxoWEDDRE5yEZ+s7TMw+WH2o+3XOOrryqnsLbOyv34I
   wAAUWK7qZyjd9rSDOAtBOgFhQNXYhWZlT+0iHslCIfqJMZ8wy1iFHBCIphoMSWs5
   /D+idXrUef5Y23rClBxXH0g1UnSGXnpUH4ehV6p1lvZMh4OJKEoMC4cpyd1SzXrw
   +VGCc1+pXv/tTW3Rb2qoWO9JoWY+Epcssrw5N8OFIFODh4QfbLN6pVTt28aQ4pf/
   1KhLoapjFzXSYp/jrcNjYJ9qRdSAbZsKOJ2yZ0yqjLHDCDipFty+W0pkUZcJhsgu
   Cg1Stt7tKgSvAV/nEjN8e/vA91/AACKBCNcLzEoLgQKBgQC4eTM6BDCzlusXJBK4
   SRC/WwUthJZzfOk2Gmwr0DCTRYhWQSDjBfiQNboazHObVPz45qP10fOt2iPEHeX+
   VWAXTNrN69M9lEzxygA3s76lAejBR3FbLWkzLYqPB3oZwSIE7CrWHTXJipFWZv+X
   FG1R418fnRCUMJ4j85qem5iyqQKBgQDWhQMJu7FC02fr83qsIdLwqhiDtTpwUN3j
   qfp7JoEZOxbm3TgM1xPAkrQTUgfr2ZhXGtUwsuKHyifxQEycrTkBOg0gqAfG0fnv
   ybyXK6/guctHJQiy64lL39kPuvQkKB+YO60B/oF6zbyFvqanoKXjpspObN3i3yBU
   X5/EOu/LLQKBgQCUVwHWeWAgSg+pgBx9jGOnPK4hOCkznRJ7qyuo37Tv+E317lFf
   vYFvlYSd4CJmmiUCkZTvK3FkL7HrFo/HwSeQFQEt7aDkN8jX9bPPFv8K+UoNgkGp
   LA8YVFrDQSPyadfNVYvsuXhzJLZSYGjPOGHgI5JufYLDZ4UDK/T97ekQYQKBgDDM
   ORCxvXTyGiW2USVu3EkaqFDtnMmH27G6LNxuudc/dco2cFWbZ0bbGFN8yYiBCwJl
   fDGDv7wb5FIgykypqtn4lpvjHUHA6hX90gShT3TTTsZ0SjJJGgZEeV/2qyq+ZdF/
   Ya+ecV26BzR1Vfuzs4jBnCuS4DaHgxcuWW2N6pZRAoGAWTovk3xdtE0TZvDerxUY
   l8hX+vwJGy7uZjegi4cFecSkOR4iekVxrEvEGhpNdEB2GqdLgp6Q6GPdalCG2wc4
   7pojp/0inc4RtRRf3nZHaTy00bnSe/0y+t0OUbkRMtXhnViVhCcOt6BUcsHupbu2
   Adub72KLk+gvASDduuatGjqgOzA5BgorBgEEAZIIEggBMSswKQYJYIZIAWUDBAIC
   BBwc90hJ90RfRmxCciUfX5a3f6Bpiz6Ys/Hugge/
   -----END PRIVATE KEY-----

   This secret key was generated using provable prime generation found
   in [FIPS186-4] using the seed
   "1cf74849f7445f466c4272251f5f96b77fa0698b3e98b3f1ee8207bf".  This
   seed is the first 224 bits of the [SHA256] digest of the string
   "draft-lamps-sample-certs-keygen.alice.encrypt.seed".

4.5.  PKCS12 Object for Alice

   This PKCS12 ([RFC7292]) object contains the same information as
   presented in Section 4.1, Section 4.2, Section 4.3, Section 4.4, and
   Section 3.1.

   It is locked with the simple five-letter password "alice".

Gillmor                 Expires 15 November 2021               [Page 14]
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   -----BEGIN PKCS12-----
   MIIYwAIBAzCCGFgGCSqGSIb3DQEHAaCCGEkEghhFMIIYQTCCBI8GCSqGSIb3DQEH
   BqCCBIAwggR8AgEAMIIEdQYJKoZIhvcNAQcBMBwGCiqGSIb3DQEMAQMwDgQIWQKs
   PyUaB9YCAhTCgIIESCsrTOUTY394FyrjkeCBSV1dw7I3o9oZN7N6Ux2KyIamsWiJ
   77t7RL1/VSxSBLjVV8Sn5+/o3mFjr5NkyQbWuky33ySVy3HZUdZc2RTooyFEdRi8
   x82dzEaVmab7pW4zpt9PTNtjiCMDLs8WQJbco+pKfzP5O5kztKF2TpmHPOqZea2Z
   5sfr/RUNeMwdM7KqCCa38Uu0EXuY4YDmoc3grLAKfGx3C+GXn0kkonHNdo00CPwe
   ulnTbVqDB76u1UUSPHr3OU6Q2plIbyLdRGKTQvW7hj0YcbQilGu6j0PXZA4NfQSm
   KtVo7sU+udAoL3FM9GxGjpiJul4ATP+4JaqtCGjJAXyI6+xDg4HUmL8yF6IMk99R
   uHwAOq8kZuxhldLl7jSUBhrDs42OWsYaHtlQTZTiIFfAP1IQeMOkW7GjE0Hx0K2E
   zXm/peGG0ITKgphQB4FfXYRETjhD7FUvQwVy2DfjapqGsc0yDwg/UDYlz2XSK0hv
   7EOuS/SL9Dpbth0DlUAmrVG+XifCT6Ev59XfZRhP72v5T0m1e3/BuX+ZhTdvIapQ
   Gdjz05KwekTsSc8RaCQ9BlTvpl1eVMsHTPeQOWDw4Bfb8vLd2C3uSUACvzbSBZR0
   QzGs7XvSO02EsmvP/J3V4M0b/jvhczSQQUsA2SBuefIHKNwPxGa2Wdn8XW8mJgJH
   uQda6RpL6jBi5nusGGqEeD6OLhKIwx97QGRi5ZW3q7z9aTAWUp4/DPQk0QVdIA6u
   PUyKtrZhQTkzp2kkgHJdHxUz1SzdCe6PYRqZMn+eAFuFDHKu3fKWNTNlBxE+hbU1
   F6NKmIJ4QtjBr2NkkFdxa66vZzA62ZR1uTVYRFs2P+STUS3RgTsk/dNIehJQRRfX
   XaFE4lmtFrmQZBAExWTPTFgKeJkqymCeRuOceJX5ej4nEC0ouaxNAkb07FlUrajm
   WA7y9k5/8J3T1w2uYVcdyVlv129HNvdlqKJzUasLdsyg5+yOWZGJZzRX5tPp/jID
   vAWD8/8Eo2rGElb8BxJIZEX46To7nkuODbDUcRDjswQ7UB+S+cCcI/qEjnEgyFKP
   ehxGaTJgxiFof2aKHuRZM207IIvoUAfincgdNBKK/KiTxg63Fb2gHspTqH0w2n7q
   so4D3rrH8yla1wfMxOnx47EAOwYPSiVDyEBiQmqBm8gbhwMoBueMXu7wKzctC+xG
   IaaQ4VLzxQfFn5Thxb3Y0yBMLDXVP5ZCye3TCX3JlgjzzkailiTDhvE8sbeKdEJk
   0Ui8pGEO+zQR7npzFFK/axe0Al/4lwnyrWX9R9rxDSDr2kLDxPtfbNQLpgPXfEpO
   SN3kLkEWqC6jSko55f5+wP1i3b8NT5gfGjW5Kp42a0zoq/5huFdVqhrmw5lVlrc2
   oSipVTtaeWXeEQJeq6uA6xiqnH0uhBJQh4IQEBmpStIpxbKD8i1F1kqIFHv7WpEh
   MKE8qq4wggR3BgkqhkiG9w0BBwagggRoMIIEZAIBADCCBF0GCSqGSIb3DQEHATAc
   BgoqhkiG9w0BDAEDMA4ECPoEFEHQGB9dAgIU5oCCBDAOrGHyN47xktt1J1VvWQZN
   BYIMFzLN6p2/zKotGf7EMdgSdwlxkhKTWxunfoP/gfRD6boXTAA7ukJDsHXZrfXF
   KjI4HI2oa/NihwqctphcLonBJXcofuHv+loP9MPLtwtzPrLxQIC2neas5QW6ygLM
   h4gyvWSQXU7f8ZscbiVH3g8R5dcHOzFuEdjnlkDEfvhrchYsP2o4gVoj43VVk6tk
   UV+6mIeDGqMB8T+CDWjzcWHabN/2ZDXSuh65fPOSfmIbxsvRtuJMU+ODsziUAK7L
   nnLPmnk1M5mEwJNL3W93CHZTqf6fXxyEjlyE9OIPEBvHyYHg7yQ77+D08KJJ1dVG
   kPC1yjwoIci2uXJpTMvu8F6Nw/MLKKUpkEqKKwj9k3u86x7wHsP+aqtCZRQxZfgw
   RlroNuvBl3RZnPRYsv0gYXhIJLf+TPqTxEqZvcz0GcbFdaIonPs7BmI3yQDXo53f
   rKkf4Fx6xcrLC7Lk4GRFkaB9oYSz30Mxvvj5KMUt4uvdKgynT0aw2uKTF9ocQMqN
   O1s+tMeXlFEVkPqKZey9aJLewdwGvBDMZx3Qp9CDMmPvBMIYBmEHXE1Hi8VCPiE7
   sjrx0s3zI9LmJfswVcOOV/xmOyF7XM0Hn3+m8/pP1v7bIPl8od4BYN9RE67fKanv
   /3H18VUvaFXXwRSfIN3a5p0083XwkkgzJqFGxHppppWwZNAfXqP2n0JhfWqur6+f
   N/tXF3MV7r//8nkKWGfDyOJo3hn601BMZlsLBqCbYchtY3iGbnLmTcgzGNdLSnSE
   GWPIyWh512QA69wxguGLCQzd8Jqf+0+Bc4ZPVPZ/jfbSbR6dsYHoi6Yr7ngW720N
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   -----END PKCS12-----

5.  Bob's Sample

   Bob has the following information:

   *  Name: "Bob Babbage"

   *  E-mail Address: "bob@smime.example"

Gillmor                 Expires 15 November 2021               [Page 17]
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5.1.  Bob's Signature Verification End-Entity Certificate

   This certificate is used for verification of signatures made by Bob.

   -----BEGIN CERTIFICATE-----
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   -----END CERTIFICATE-----

5.2.  Bob's Signing Private Key Material

   This private key material is used by Bob to create signatures.

Gillmor                 Expires 15 November 2021               [Page 18]
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   -----BEGIN PRIVATE KEY-----
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   AgQc9K+qy7VHPzYOBqwy4AGI/kFzrhXJm88EOouPbg==
   -----END PRIVATE KEY-----

   This secret key was generated using provable prime generation found
   in [FIPS186-4] using the seed
   "f4afaacbb5473f360e06ac32e00188fe4173ae15c99bcf043a8b8f6e".  This
   seed is the first 224 bits of the [SHA256] digest of the string
   "draft-lamps-sample-certs-keygen.bob.sign.seed".

5.3.  Bob's Encryption End-Entity Certificate

   This certificate is used to encrypt messages to Bob.

Gillmor                 Expires 15 November 2021               [Page 19]
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   -----BEGIN CERTIFICATE-----
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   rC90rHyWKmwwzOYKXww=
   -----END CERTIFICATE-----

5.4.  Bob's Decryption Private Key Material

   This private key material is used by Bob to decrypt messages.

Gillmor                 Expires 15 November 2021               [Page 20]
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   -----BEGIN PRIVATE KEY-----
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   AgIEHJjImYZSlYkp6InjQZ87/Q7f4KyhXaMGDe34oeg=
   -----END PRIVATE KEY-----

   This secret key was generated using provable prime generation found
   in [FIPS186-4] using the seed
   "98c8998652958929e889e3419f3bfd0edfe0aca15da3060dedf8a1e8".  This
   seed is the first 224 bits of the [SHA256] digest of the string
   "draft-lamps-sample-certs-keygen.bob.encrypt.seed".

5.5.  PKCS12 Object for Bob

   This PKCS12 ([RFC7292]) object contains the same information as
   presented in Section 5.1, Section 5.2, Section 5.3, Section 5.4, and
   Section 3.1.

   It is locked with the simple three-letter password "bob".

Gillmor                 Expires 15 November 2021               [Page 21]
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   -----BEGIN PKCS12-----
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   HSvQImONOTbu8hSEBhQQD4nvUh6J+qo8MpheesJ1QRqNt8R16TfRaItH4KES8Snj
   wyVrpRVMub+aPOLBuzGblCUZxybPXd7fZGLKt+x4H5HKWWbN4m3J0/YgeRYrunDD
   3I6U8rRC1mzrogZkqp5etYGT1AVgNfjaADL/FN+CVyjgo7tqSGndTNMhDJNee346
   w5Jxz4CtWb93AKWb5nHJu05xXJp2OkpbJ3J8CvdpOQbFfpGYesRavVH0GcwY9h6w
   Oz7J5U2zVB0OF9/9tAvAItd0YtbAt7qSK1SLKLwXdt18+NHtHrWURS8msGbtguaB
   3FEInTYsUsafT2JIw17m+aI1oqK7N9vgOn12oQyGYl92xNRFqB8kjKpQuh7TwQgi
   jNqGK9vOhZUDqg8CSTYPwOdOIx6Bfghn9lvcs/EkoB5c7dizVhCs1I1ncHZkhIFq
   nMbOEVl9FXM86ZeE3nekOGXGTDRu2QpuVgD0K8/6TODB6TMLL8yWr8ds7fwJXU0r
   NrLfKDie16En6/3+TuBqoqajdlYwaTRYYG/8YXFiGZ413XhjrkP1OXKkz/OtdLIa
   g6pmBIDoeUCCiDPDBJobDH2f+jpzMTwwFQYJKoZIhvcNAQkUMQgeBgBiAG8AYjAj
   BgkqhkiG9w0BCRUxFgQUF8WEe9Cn73aQOLizbwi8krWeK5QwXzBPMAsGCWCGSAFl
   AwQCAwRAfOXgg9B0m7kIxySptHcG/y4B6QwUH80E7GdroberTesDhYKYf0BCxSwN
   wr0+uHwOtaa3iuPcHpIygAtHAOvdDgQInW+pd7qujQUCAigA
   -----END PKCS12-----

6.  Example Ed25519 Certification Authority

   The example Ed25519 Certification Authority has the following
   information:

   *  Name: "Sample LAMPS Ed25519 Certification Authority"

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6.1.  Ed25519 Certification Authority Root Certificate

   This certificate is used to verify certificates issued by the example
   Ed25519 Certification Authority.

   -----BEGIN CERTIFICATE-----
   MIIBtzCCAWmgAwIBAgITH59R65FuWGNFHoyc0N3iWesrXzAFBgMrZXAwWTE1MDMG
   A1UEAxMsU2FtcGxlIExBTVBTIEVkMjU1MTkgQ2VydGlmaWNhdGlvbiBBdXRob3Jp
   dHkxETAPBgNVBAsTCExBTVBTIFdHMQ0wCwYDVQQKEwRJRVRGMCAXDTIwMTIxNTIx
   MzU0NFoYDzIwNTIxMjE1MjEzNTQ0WjBZMTUwMwYDVQQDEyxTYW1wbGUgTEFNUFMg
   RWQyNTUxOSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTERMA8GA1UECxMITEFNUFMg
   V0cxDTALBgNVBAoTBElFVEYwKjAFBgMrZXADIQCEgUZ9yI/rkX/82DihqzVIZQZ+
   RKE3URyp+eN2TxJDBKNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMC
   AQYwHQYDVR0OBBYEFGuilX26FJvkLQTRB6TRguQua4y1MAUGAytlcANBAAT3T+Jj
   w5uooVELMI2DzCYtjU9rnxFE9NaMp5elOelf/Wxc3Wd89UJTvqN3JZmXrv4Fg0jB
   SHqS/mTcQIFaHgI=
   -----END CERTIFICATE-----

6.2.  Ed25519 Certification Authority Secret Key

   This secret key material is used by the example Ed25519 Certification
   Authority to issue new certificates.

   -----BEGIN PRIVATE KEY-----
   MC4CAQAwBQYDK2VwBCIEIAt889xRDvxNT8ak53T7tzKuSn6CQDe8fIdjrCiSFRcp
   -----END PRIVATE KEY-----

   This secret key is the [SHA256] digest of the ASCII string "draft-
   lamps-sample-certs-keygen.ca.25519.seed".

6.3.  Ed25519 Certification Authority Cross-signed Certificate

   If an e-mail client only trusts the RSA Certification Authority Root
   Certificate found in Section 3.1, they can use this intermediate CA
   certificate to verify any end entity certificate issued by the
   example Ed25519 Certification Authority.

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   -----BEGIN CERTIFICATE-----
   MIICvzCCAaegAwIBAgITR49T5oAgYhF5+eBYQ3ZBZIMuujANBgkqhkiG9w0BAQsF
   ADBVMTEwLwYDVQQDEyhTYW1wbGUgTEFNUFMgUlNBIENlcnRpZmljYXRpb24gQXV0
   aG9yaXR5MREwDwYDVQQLEwhMQU1QUyBXRzENMAsGA1UEChMESUVURjAgFw0yMDEy
   MTUyMTM1NDRaGA8yMDUyMDkyNzA2NTQxOFowWTE1MDMGA1UEAxMsU2FtcGxlIExB
   TVBTIEVkMjU1MTkgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkxETAPBgNVBAsTCExB
   TVBTIFdHMQ0wCwYDVQQKEwRJRVRGMCowBQYDK2VwAyEAhIFGfciP65F//Ng4oas1
   SGUGfkShN1Ecqfnjdk8SQwSjfDB6MA8GA1UdEwEB/wQFMAMBAf8wFwYDVR0gBBAw
   DjAMBgpghkgBZQMCATACMA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUa6KVfboU
   m+QtBNEHpNGC5C5rjLUwHwYDVR0jBBgwFoAUkTCOfAcXDKfxCShlNhpnHGh29Fkw
   DQYJKoZIhvcNAQELBQADggEBAHdUlo6cO0/YS6gMtuj7iNJjI5PaZ3F6muSjl+Ai
   MCPHGJaeVTzhcEnSNlvjXnM77Npxk2Z20342+sveBxfd80ZbTmVTek2IzaVdhxUi
   kEX4pCh28u+b+87BLQjb5Jmhph7105zqC0vxOtJS2y8zSdK2l8SwI/U6jlgEZJGv
   pcH5x9eLtrgmDGGqbHDv5BaAGGkM6pIwuw5xdukxKTMt6rXLLLqAX3xenDaY0rxo
   SkbeHUYO19MQ7LZmoKYe4Y/J7v4P+62cdjJi1Ob9qpGbvbQwh43GgkYZdTFY2qlY
   Uj0cLXSzdaBIXllPGCscqC058bGO+gdYJ241EclbB5nm88Q=
   -----END CERTIFICATE-----

7.  Carlos's Sample Certificates

   Carlos has the following information:

   *  Name: "Carlos Turing"

   *  E-mail Address: "carlos@smime.example"

7.1.  Carlos's Signature Verification End-Entity Certificate

   This certificate is used for verification of signatures made by
   Carlos.

   -----BEGIN CERTIFICATE-----
   MIICBzCCAbmgAwIBAgITP14fVCTRtAFDeA9zwYoXhR52ljAFBgMrZXAwWTE1MDMG
   A1UEAxMsU2FtcGxlIExBTVBTIEVkMjU1MTkgQ2VydGlmaWNhdGlvbiBBdXRob3Jp
   dHkxETAPBgNVBAsTCExBTVBTIFdHMQ0wCwYDVQQKEwRJRVRGMCAXDTIwMTIxNTIx
   MzU0NFoYDzIwNTIxMjE1MjEzNTQ0WjA6MRYwFAYDVQQDEw1DYXJsb3MgVHVyaW5n
   MREwDwYDVQQLEwhMQU1QUyBXRzENMAsGA1UEChMESUVURjAqMAUGAytlcAMhAMLO
   gDIs3mHITYRNYO+RnOedrq5/HuQHXSPyAKaS98ito4GwMIGtMAwGA1UdEwEB/wQC
   MAAwFwYDVR0gBBAwDjAMBgpghkgBZQMCATABMB8GA1UdEQQYMBaBFGNhcmxvc0Bz
   bWltZS5leGFtcGxlMBMGA1UdJQQMMAoGCCsGAQUFBwMEMA4GA1UdDwEB/wQEAwIG
   wDAdBgNVHQ4EFgQUZIXjO5wdWs3mC7oafwi+xJzMhD8wHwYDVR0jBBgwFoAUa6KV
   fboUm+QtBNEHpNGC5C5rjLUwBQYDK2VwA0EASWxvdJhtfO7zjO9wypAto3Fga8ik
   9EsAvl8MCUCBw91Rmrj01P8jiAmCwxsb9VR4PPcq6GIjXCnjB5UrV/4XBw==
   -----END CERTIFICATE-----

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7.2.  Carlos's Signing Private Key Material

   This private key material is used by Carlos to create signatures.

   -----BEGIN PRIVATE KEY-----
   MC4CAQAwBQYDK2VwBCIEILvvxL741LfX+Ep3Iyye3Cjr4JmONIVYhZPM4M9N1IHY
   -----END PRIVATE KEY-----

   This secret key is the [SHA256] digest of the ASCII string "draft-
   lamps-sample-certs-keygen.carlos.sign.25519.seed".

7.3.  Carlos's Encryption End-Entity Certificate

   This certificate is used to encrypt messages to Carlos.  It contains
   an SMIMECapabilities extension to indicate that Carlos's MUA expects
   ECDH with HKDF using SHA-256; uses AES-128 key wrap, as indicated in
   [RFC8418].

   -----BEGIN CERTIFICATE-----
   MIICNDCCAeagAwIBAgITfz0Bv+b1OMAT79aCh3arViNvhDAFBgMrZXAwWTE1MDMG
   A1UEAxMsU2FtcGxlIExBTVBTIEVkMjU1MTkgQ2VydGlmaWNhdGlvbiBBdXRob3Jp
   dHkxETAPBgNVBAsTCExBTVBTIFdHMQ0wCwYDVQQKEwRJRVRGMCAXDTIwMTIxNTIx
   MzU0NFoYDzIwNTIxMjE1MjEzNTQ0WjA6MRYwFAYDVQQDEw1DYXJsb3MgVHVyaW5n
   MREwDwYDVQQLEwhMQU1QUyBXRzENMAsGA1UEChMESUVURjAqMAUGAytlbgMhAC5o
   MczTIMiddTUYTc/WymEqXw8hZm1QbIz2xX2gFDx0o4HdMIHaMCsGCSqGSIb3DQEJ
   DwQeMBwwGgYLKoZIhvcNAQkQAxMwCwYJYIZIAWUDBAEFMAwGA1UdEwEB/wQCMAAw
   FwYDVR0gBBAwDjAMBgpghkgBZQMCATABMB8GA1UdEQQYMBaBFGNhcmxvc0BzbWlt
   ZS5leGFtcGxlMBMGA1UdJQQMMAoGCCsGAQUFBwMEMA4GA1UdDwEB/wQEAwIDCDAd
   BgNVHQ4EFgQUgSmg+iOgSyCMDXgA3u3aFss0JbkwHwYDVR0jBBgwFoAUa6KVfboU
   m+QtBNEHpNGC5C5rjLUwBQYDK2VwA0EA3jEXyWtu/jK7ZZrnc89k3gzfai2As+ZV
   NRfRCcYIQbvSRShV3x4WXtZd07hLSOtWL7sg6oBdTMUEFgDAJRRGBg==
   -----END CERTIFICATE-----

7.4.  Carlos's Decryption Private Key Material

   This private key material is used by Carlos to decrypt messages.

   -----BEGIN PRIVATE KEY-----
   MC4CAQAwBQYDK2VuBCIEIIH5782H/otrhLy9Dtvzt79ffsvpcVXgdUczTdUvSQsK
   -----END PRIVATE KEY-----

   This secret key is the [SHA256] digest of the ASCII string "draft-
   lamps-sample-certs-keygen.carlos.encrypt.25519.seed".

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7.5.  PKCS12 Object for Carlos

   This PKCS12 ([RFC7292]) object contains the same information as
   presented in Section 7.1, Section 7.2, Section 7.3, Section 7.4, and
   Section 6.1.

   It is locked with the simple five-letter password "carlos".

   -----BEGIN PKCS12-----
   MIIJ9gIBAzCCCY4GCSqGSIb3DQEHAaCCCX8Eggl7MIIJdzCCAvcGCSqGSIb3DQEH
   BqCCAugwggLkAgEAMIIC3QYJKoZIhvcNAQcBMBwGCiqGSIb3DQEMAQMwDgQIwS3R
   pT1mkyMCAhS7gIICsGKkBm0nci9VHfqxOTWy/lkKyQeF5bwsF/9gZrqUym1KtHZF
   a4rSJIPUctmzqVnhGmfW9m+LEi7Em9rRmUIQbDZt4kQDG5eDk7AdhyDnB3uZDG1W
   4cAeUVUiojGLgHFGe2/iIhW+JQTCbGDsAXqowalvoZZ5mJx98Rzb77JXyiKgY/a6
   uiolRqr27yj0e9CGkA385Hp9n4gcqyGuZ5OYUa0zKRtZB+Zdqcu/365uTP3MUgud
   3kK/ESRMRjdRGERlaD84fuhKvI9Elf6yoUkpwW7yHuDTVsLPWeuoPcpOIe/oT7cm
   HIoQNb2dTY0+HmSCNe3vbHiELsOzUSUat6JhE/uTHiJUVtL01NMcACdvXKqT1eXG
   DdD+Em9N0Di93m2qmXrP1N/AoKGTheB28XwsRicnoBvn4TKULQHaMx/UreYrX3AK
   yJJ4/8ENKQ+UipGt5xBKs/aLnWI9L75Cy3JP5v5myc4T1mvqjlVlay42o5nQYycF
   tOVjtI/TaBDi5lMBS+r4RPqAp2LfApjrBy6Z0hNLahEO7jsCfyDuxu/UBmncjueG
   T9OTzN0HwxhwpqfVWVbZzqo2k/7Tu1HVR4LoGQR/+Z6+v3DnLugRVahleObk7ZjX
   HPaO/EunXeokrJouz94jKgo1nTpRKfQ40AnXtKpbrY/457hI+fiODYh6JVdkUgXP
   4f5vuwqiPPY0b/MCr9b+TPNLM1kVpkE1nFsrItNtD9XvktnKBHmSzRXxqeNowQKW
   nKyUnvV5iUjxdbiE4xX8/fl4TLSL4+Z4SlJZn376LWpAN82PtgfI6uYJkacvBkxz
   Eulxbw96hRbEraIwRkwijOfUV7UjoCPjMYA8Zh1x5JTiE4UWWLs8aq9tM0Z16sVz
   C1GhT9snSmeWuTtIqOSqJ+lnAbEZzfj4DSRcdUYwggKvBgkqhkiG9w0BBwagggKg
   MIICnAIBADCCApUGCSqGSIb3DQEHATAcBgoqhkiG9w0BDAEDMA4ECOMzXMste/8a
   AgIUlICCAmgXa+q2JhTLvWsj5SKLdMninTk5uB6HhOsDKYR9GDg/cABqUFxycROG
   JeJuewIRkJhsfdXJi+TSRtnQOqpyVM9oRUdxcbGuCI98fEbLmVyr7KF8GudTgC+b
   y+76DSmhfyPgFn02rHwnMb88Zu1SpvrEAY/sifQy957dbRA8oAUvfGhR5sVL7Mrz
   6GtTtYgPNkKvjnNS3Tv1tOxHLwWWsxzW5/6AKY9hc4XuPJSY0jdEUW2PSIggoZQW
   jwlfb97H4Vvn/p8S/qKTUcsGXzFEn1WGXX+yp6acRABooK9Kg+qtNmPJl/nXgVib
   GuCffGVC4IGxxqJaCaGHIUEfBmNRSW/p6JbIASKUshw7iFeZVAfRcwN8mbMsJShk
   qgNy/KQGBSnbrzTZhoNPrUlMArU/Egccf6LpuMZP8PdeSueG3tM/xOt8D4tZmEyK
   pmcuQqXenFZIXdbleUB96OKXqrn4Nf77rMd5VL/R263jDCh9hw5IZIWzyN3HsxrR
   Qa0PjHFbQudoOEcfYwEmU9t5Av4o1flRLLV4m75ZZjKEtBZ0P4P8+7sYiaBf+9lk
   SL38WglKJ7EfGm7T0+L1fciDEyYH/L7B9OcIGlUsSBBYeOjsmY8gnw9sgt3UcK3g
   ZX+xiXIHV18yBY10EDaWy/ipv2lmYdw2EoPVwrS3jZ0gGLu8hNDkn1W6l2mJvZMa
   cKN/cuOL3m/EDpdXEDe9NEmufm5C3QwATW8NjoV4vUkZ9V+jQOCghq4rwot4+dHY
   1GAAUfhchjfJgwR1ISzy8ZpO6KTGDuer5Vu1acpB3Mq/GZPqM8SucAl8P1fK6pwL
   MIICNwYJKoZIhvcNAQcGoIICKDCCAiQCAQAwggIdBgkqhkiG9w0BBwEwHAYKKoZI
   hvcNAQwBAzAOBAho9g0tQyYTvwICFIGAggHwqGucSvjuG1dKf42hcgjkAUEv5NW5
   pX3C+Qfe6Nb4gxPw8yIu8vCdymupa3bBI7Qxd/ickCQAo7E2JGr5qjc6ftx6Us/H
   5ySspVi9cz5qOVRTVwSQn+jttPCmtBq17PPyBlqT4U0dNeSDT87+ea3W/u/QQdwa
   Q3jdV9U5Li7Ni5F4ZDFIkmtUPEfrr0p4cgSAUDv6ZZBjpesM5WOIrEcNNHtkWjS4
   jVvNMS64s1/rg1CA3FKjyQ/R8mNi7+FlPV2CKT1FD1iXgU6MLM1SS7JFR05maI/t
   HQtxFBFZkbYcKCGokz47e53MYvbtYR8nobZLJ5EJh9jHPZUjrNIl7hXxh7iOsZ36
   N+3hn/2OM2uuB0fviJFwOoHu+c7HCaBUzSekpVGnEfxTEUXq9FT9utqhzuixEE+L

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   KQ3+19d5TXgYKpWsS3B54+uZee11QZ3ejDh1NvdkWj0EuQ7C1hf2zEi7q35OdllW
   tCNzIuf1Ls5mO+ezjXBtkAYByaykiUjubfFPNKowGhKOiZpq9IG2mWaXCJe1BWha
   iFpTET+HehLSK9OYvHj39jvx/Cpmtq3j1OFsy7l3n7n7OhmFaNrPmra/vgKFRUbV
   brijCLOemLbbg7JfKQpe4VXBpT9OAj6t38LCtV2IAoxKr9Ctxueq/AdINDCBxAYJ
   KoZIhvcNAQcBoIG2BIGzMIGwMIGtBgsqhkiG9w0BDAoBAqBaMFgwHAYKKoZIhvcN
   AQwBAzAOBAgNhfODEdzSrQICFF0EOCEqFie1peicS9OSXNQjLwbN3kO8lYM2HqeS
   ZoEKJ4JSFlV1kWW3xwfu5aZKrGEYBfGMd8renRijMUIwGwYJKoZIhvcNAQkUMQ4e
   DABjAGEAcgBsAG8AczAjBgkqhkiG9w0BCRUxFgQUgSmg+iOgSyCMDXgA3u3aFss0
   JbkwgcQGCSqGSIb3DQEHAaCBtgSBszCBsDCBrQYLKoZIhvcNAQwKAQKgWjBYMBwG
   CiqGSIb3DQEMAQMwDgQINFcqIEMfd9UCAhS1BDgZruEsSaBY+Cm9WKR8HhH3JXh+
   AoMSrwkDCKytWt+MNIXB0jY2QZHDbN3uFn7qHw06MDthnKniazFCMBsGCSqGSIb3
   DQEJFDEOHgwAYwBhAHIAbABvAHMwIwYJKoZIhvcNAQkVMRYEFGSF4zucHVrN5gu6
   Gn8IvsSczIQ/MF8wTzALBglghkgBZQMEAgMEQEy0qwQQs3QR/VwU7MgIK6ZCWGF9
   0SgeIWjctI024YVnsTg1i8dbFW8rPanAovq3K+gwPqtRoYsjE6KPCycGzX0ECJDj
   aZkfy4FnAgIoAA==
   -----END PKCS12-----

8.  Dana's Sample Certificates

   Dana has the following information:

   *  Name: "Dana Hopper"

   *  E-mail Address: "dna@smime.example"

8.1.  Dana's Signature Verification End-Entity Certificate

   This certificate is used for verification of signatures made by Dana.

   -----BEGIN CERTIFICATE-----
   MIICAzCCAbWgAwIBAgITaWZI+hVtn8pQZviAmPmBXzWfnjAFBgMrZXAwWTE1MDMG
   A1UEAxMsU2FtcGxlIExBTVBTIEVkMjU1MTkgQ2VydGlmaWNhdGlvbiBBdXRob3Jp
   dHkxETAPBgNVBAsTCExBTVBTIFdHMQ0wCwYDVQQKEwRJRVRGMCAXDTIwMTIxNTIx
   MzU0NFoYDzIwNTIxMjE1MjEzNTQ0WjA4MRQwEgYDVQQDEwtEYW5hIEhvcHBlcjER
   MA8GA1UECxMITEFNUFMgV0cxDTALBgNVBAoTBElFVEYwKjAFBgMrZXADIQCy2h3h
   hkaKDY67PuCuNLnnrQiHdSWYpPlgFsOif85vrqOBrjCBqzAMBgNVHRMBAf8EAjAA
   MBcGA1UdIAQQMA4wDAYKYIZIAWUDAgEwATAdBgNVHREEFjAUgRJkYW5hQHNtaW1l
   LmV4YW1wbGUwEwYDVR0lBAwwCgYIKwYBBQUHAwQwDgYDVR0PAQH/BAQDAgbAMB0G
   A1UdDgQWBBRIA4bBabh4ba7e88wGsDOsVzLdljAfBgNVHSMEGDAWgBRropV9uhSb
   5C0E0Qek0YLkLmuMtTAFBgMrZXADQQAqTjekfJCBctK5gm1kAnOvxPCe/xGTU9bm
   E42ScgS/GIPMyPgdeIn67Y9WkY715VgkZdw/PPlnSakKL+zj3zAO
   -----END CERTIFICATE-----

8.2.  Dana's Signing Private Key Material

   This private key material is used by Dana to create signatures.

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   -----BEGIN PRIVATE KEY-----
   MC4CAQAwBQYDK2VwBCIEINZ8GPfmQh2AMp+uNIsZMbzvyTOltwvEt13usjnUaW4N
   -----END PRIVATE KEY-----

   This secret key is the [SHA256] digest of the ASCII string "draft-
   lamps-sample-certs-keygen.dana.sign.25519.seed".

8.3.  Dana's Encryption End-Entity Certificate

   This certificate is used to encrypt messages to Dana.  It contains an
   SMIMECapabilities extension to indicate that Dana's MUA expects ECDH
   with HKDF using SHA-256; uses AES-128 key wrap, as indicated in
   [RFC8418].

   -----BEGIN CERTIFICATE-----
   MIICMDCCAeKgAwIBAgITDksKNqnvupyaO2gkjlIdwN7zpzAFBgMrZXAwWTE1MDMG
   A1UEAxMsU2FtcGxlIExBTVBTIEVkMjU1MTkgQ2VydGlmaWNhdGlvbiBBdXRob3Jp
   dHkxETAPBgNVBAsTCExBTVBTIFdHMQ0wCwYDVQQKEwRJRVRGMCAXDTIwMTIxNTIx
   MzU0NFoYDzIwNTIxMjE1MjEzNTQ0WjA4MRQwEgYDVQQDEwtEYW5hIEhvcHBlcjER
   MA8GA1UECxMITEFNUFMgV0cxDTALBgNVBAoTBElFVEYwKjAFBgMrZW4DIQDgMaI2
   AWkU9LG8CvaRHgDSEY9d72Y8ENZeMwibPugkVKOB2zCB2DArBgkqhkiG9w0BCQ8E
   HjAcMBoGCyqGSIb3DQEJEAMTMAsGCWCGSAFlAwQBBTAMBgNVHRMBAf8EAjAAMBcG
   A1UdIAQQMA4wDAYKYIZIAWUDAgEwATAdBgNVHREEFjAUgRJkYW5hQHNtaW1lLmV4
   YW1wbGUwEwYDVR0lBAwwCgYIKwYBBQUHAwQwDgYDVR0PAQH/BAQDAgMIMB0GA1Ud
   DgQWBBSd303UBe+a7GCGvCdtBOnOWtyPpDAfBgNVHSMEGDAWgBRropV9uhSb5C0E
   0Qek0YLkLmuMtTAFBgMrZXADQQC9eaCofJkXN6GbED+J2ZLcQvah8kBwLIcDzxpP
   ZYQkN5IIWwXW7D9PEMTGdWlhe9h8IvluIuzIqTpyXKaWiY4K
   -----END CERTIFICATE-----

8.4.  Dana's Decryption Private Key Material

   This private key material is used by Dana to decrypt messages.

   -----BEGIN PRIVATE KEY-----
   MC4CAQAwBQYDK2VuBCIEIGxZt8L7lY48OEq4gs/smQ4weDhRNMlYHG21StivPfz3
   -----END PRIVATE KEY-----

   This seed is the [SHA256] digest of the ASCII string "draft-lamps-
   sample-certs-keygen.dana.encrypt.25519.seed".

8.5.  PKCS12 Object for Dana

   This PKCS12 ([RFC7292]) object contains the same information as
   presented in Section 8.1, Section 8.2, Section 8.3, Section 8.4, and
   Section 6.1.

   It is locked with the simple four-letter password "dana".

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   -----BEGIN PKCS12-----
   MIIJ3gIBAzCCCXYGCSqGSIb3DQEHAaCCCWcEggljMIIJXzCCAu8GCSqGSIb3DQEH
   BqCCAuAwggLcAgEAMIIC1QYJKoZIhvcNAQcBMBwGCiqGSIb3DQEMAQMwDgQIZNqH
   TA2APx0CAhQXgIICqK+HFHF6dF5qwlWM6MRCXw11VKrcYBff65iLABPyGvWENnVM
   TTPpDLqbGm6Yd2eLntPZvJoVe5Sf2+DW4q3BZ9aKuEdneBBk8mDJ6/Lq1+wFxY5k
   WaBHTA68eH9ovHvrGaK8MkxBSoK7x05uD95di3m5y9XQFU1YsBB6miqD3mUsaPVE
   FeSrFr9aaylqcG9vP9uohbSe19szDmY41/cuKx7C1Qq6hd06TK8rw8aRg0pfrYCu
   WuXHQ9pTNf0gNWaLI0vJgo5DrkZzSX+2imCTTjgjbarBCKbRHesA1oXNpFHT8wl6
   npErKI6tknS9TYimz/Laidjs431+HWlBll4pDxfSb+gasoGgH8kANnxrlNpm36i7
   EmfFcRfloucJFovOjLijAPb8zUfmT0XSLYKQLIHgwShY2A+b+tmZgx/JU/6/eIxw
   z76wCYQ3n1HTFu+DpmIDF7hlkJAc7OFEoo3hhXSe41vJtTz2dw1Dq5kiR7i6MAXe
   GiI5ZpUpuTf5ICO9ZHmbQPOnf/fTN17KhvoJnc0dCGj3L9KPzeeKo/xOBY6DUVkx
   nc/KdEDuajISt1MSZWO/j2lEhlYalOU6x9xvPOG61hue1lesEcAnnMFYArcn6gH+
   MDp6zrXbhemPTwITwiwgUWWYAQEuXIEvoYv1qC0izF8yqfB7EEaO1GRwNdUl3HS6
   FjR2/hGXaZnqFyEkDPv8U0MYY0tXknuA/XNpqW0NaXwUf4DEZzG3Negjqa9irXSr
   bze5aTl7CshrxTy77ff4XgsZzbHbJANY+1Z82k9L9d2kYd7PJtn4F/q6YUvHNTB8
   JoHvlLU+gP+QYYCHl3v/lsNYtkFe7CzCjJchr9X8Ru+2A6wdDDCskQmUHLXEWOtD
   pjLHGfOI9lqKGUcZbQd8pTsMuiL6MIICpwYJKoZIhvcNAQcGoIICmDCCApQCAQAw
   ggKNBgkqhkiG9w0BBwEwHAYKKoZIhvcNAQwBAzAOBAjxuoiaSZDbnwICFH+AggJg
   k2hcNYtO0+15uLqXdiNhr5Q0JkYcrHdo0wR6G5AgLmwI+TYi+P8EZUjDIJ4TJ3b4
   6xv7+3pT8cbEFf6PXcfS8/sCfM7FaV3SpLACLZbBJV52OKE0CAgALX++E7UyqHju
   Ty6WnTIE3k+m9dH0dBMAhV/xGcXT91WBVDr9XkAa6dqhrbHS2VMUMfSdl6nJLwGc
   y5zVBZzzkV3LhejJRCqY3l+5quwabzumcDwtsVMz8/3j4TwGZzkvRP1+EbYLuAKp
   94rfXAgzGt6f1WwRx7OsGKzcQpSjISw6x51tOaWZK/QnrhdOMt415a9t79HrJ3h7
   8hqC+HfMTnCNtHEkEntGrlVqKF+isCoHBP/s1k+ZZ6WuASfgJcJMvFgyQ2LMyBVs
   AEelovX94Pz1c9PNzgNPSth0CQA1CJJcbLjueZNU4fNmgYuv/OOvTYZZklDQjjAk
   wZXlkNM70wsR0QFHZm5CpOQKEPxJUoIuSN77Q5wxP+VJYMYKfPhUYIQd3TQsqGXl
   wXbGLvtrz/anmPJFEy0qIPPjwsR9vtN/xYU09t6QHX2bTGN/eWmoqaUrXHCzlW8j
   lobS4CgeofaObNYse8dzsfd1BxjhDQ+cvewdDtVBmmm4Z9GG9Mn/Cxm5GI+twH/R
   W/tTMCny9EiQV0e+PtAj2rpnsuQbOZka06jEykg6/Ydv9kTjFT8SBSQxtAse2nbY
   shdZE/BhkCHyd+Mlj6AFiChsB0htP2dZLFLB8EkKCdB2DdEG/EcJcA5jVx54LG6w
   ZVGRr452XJTcn3zTUXFj63D13pHBTuwBvJvO5pVRFh8wggI3BgkqhkiG9w0BBwag
   ggIoMIICJAIBADCCAh0GCSqGSIb3DQEHATAcBgoqhkiG9w0BDAEDMA4ECOfJ/s3Y
   f5bgAgIUnYCCAfDRW6wHeNExBEJGRcj9eGUoBcXpSJCKCckJSh2ZLMepS0YBgtPk
   VDmQheb/A+1CgATSdG2qkNr3f4ACTZYJtyjBlOn6Z2oV/In0nyFXyPTKW+SeTM6N
   1jfcKq2GIgL1687t+PNbYgH/+9QgDvcKiHEFqaQjpzYpyk2CuRdVEbq4r7c/K9h/
   2NO44aUq/Covon04rk/RG+HnJauQVC+iwuWcVpcoePF1XyP2onx6y8D7dxflKRhP
   u6HmD9f68ZwacQzaIodR9q8BJ5bOnabHfYZZuA4KIp7C2zUqEwCMbFkQRJmNfm1D
   G/huDK9Bdox436RGm3kP/XuJ8qNCYNS+8GblnX4gV3bO2MpBr+M+Q7Jk5v1xE2Su
   /9YHKaI6ok5cI3obozU6PuQzPSN7Yfi/MGC342ZXV5zjnCzGCK/VKRsvdk0f18w5
   oKgibwGPMUXwvY/nVuWMNwkqQUXPsXSU80eTzkvx/oInldp5sHf0lxzaG+quxFwr
   GZ8v8i61YJis33pievIe9wwptrscGxQ7CahFtgIEUxzTc1usZOEGF/eQp9hciIZD
   MXUCs38nEe7N01QcKRgmuqIYHNt+6OUcljXuoJdLGcMEdXTqi2yVW7peopBTRvPz
   z0tJpPZlxtAmw/Hl2zTBiZ0h6zsuRcRcx6ieMIHABgkqhkiG9w0BBwGggbIEga8w
   gawwgakGCyqGSIb3DQEMCgECoFowWDAcBgoqhkiG9w0BDAEDMA4ECL2Bz1vW+YZk
   AgIUugQ4YOyEjke53NDvCFR0ciUHZ7ref9/wPx5TgV3qzGhfR4bP2rdpiOt9hAHV
   K5cmUAR7+wjAJiYdLUQxPjAXBgkqhkiG9w0BCRQxCh4IAGQAYQBuAGEwIwYJKoZI
   hvcNAQkVMRYEFJ3fTdQF75rsYIa8J20E6c5a3I+kMIHABgkqhkiG9w0BBwGggbIE

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   ga8wgawwgakGCyqGSIb3DQEMCgECoFowWDAcBgoqhkiG9w0BDAEDMA4ECFw78Uk8
   K64uAgIU+gQ4id0jRb3JyEM5fdpaeQR+YEeMn+Y5KavplVD5HtgQQY9hhppbQqG4
   af7KY+MT6xus6oNEQeJAE5wxPjAXBgkqhkiG9w0BCRQxCh4IAGQAYQBuAGEwIwYJ
   KoZIhvcNAQkVMRYEFEgDhsFpuHhtrt7zzAawM6xXMt2WMF8wTzALBglghkgBZQME
   AgMEQNHejohTj3Ewlp/2L19mtFcwBM/tTp7REjcOo+n9jtpzeFVve9dkr76JVAHh
   naFM+2tfOF7j5tW5Pn13nEEr0skECC5Dkkzl2MltAgIoAA==
   -----END PKCS12-----

9.  Security Considerations

   The keys presented in this document should be considered compromised
   and insecure, because the secret key material is published and
   therefore not secret.

   Applications which maintain blacklists of invalid key material SHOULD
   include these keys in their lists.

10.  IANA Considerations

   IANA has nothing to do for this document.

11.  Document Considerations

   [ RFC Editor: please remove this section before publication ]

   This document is currently edited as markdown.  Minor editorial
   changes can be suggested via merge requests at
   https://gitlab.com/dkg/lamps-samples or by e-mail to the author.
   Please direct all significant commentary to the public IETF LAMPS
   mailing list: "spasm@ietf.org"

11.1.  Document History

11.1.1.  Substantive Changes from draft-ietf-*-02 to draft-ietf-*-03

   *  Correct encoding of S/MIME Capabilities extension.

   *  Change "Certificate Authority" to "Certification Authority".

   *  Add CertificatePolicies to all intermediate and end-entity
      certificates.

   *  Add organization and organizational unit to all certificates.

11.1.2.  Substantive Changes from draft-ietf-*-01 to draft-ietf-*-02

   *  Added cross-signed certificates for both CAs

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   *  Added S/MIME Capabilities extension for Carlos and Dana's
      encryption keys, indicating preferred ECDH parameters.

   *  Ensure no serial numbers are negative.

   *  Encode keyUsage extensions in minimum-length BIT STRINGs.

11.1.3.  Substantive Changes from draft-ietf-*-00 to draft-ietf-*-01

   *  Added Curve25519 sample certificates (new CA, Carlos, and Dana)

11.1.4.  Substantive Changes from draft-dkg-*-05 to draft-ietf-*-00

   *  WG adoption (dkg moves from Author to Editor)

11.1.5.  Substantive Changes from draft-dkg-*-04 to draft-dkg-*-05

   *  PEM blobs are now "sourcecode", not "artwork"

11.1.6.  Substantive Changes from draft-dkg-*-03 to draft-dkg-*-04

   *  Describe deterministic key generation

   *  label PEM blobs with filenames in XML

11.1.7.  Substantive Changes from draft-dkg-*-02 to draft-dkg-*-03

   *  Alice and Bob now each have two distinct certificates: one for
      signing, one for encryption, and public keys to match.

11.1.8.  Substantive Changes from draft-dkg-*-01 to draft-dkg-*-02

   *  PKCS#12 objects are deliberately locked with simple passphrases

11.1.9.  Substantive Changes from draft-dkg-*-00 to draft-dkg-*-01

   *  changed all three keys to use RSA instead of RSA-PSS

   *  set keyEncipherment keyUsage flag instead of dataEncipherment in
      EE certs

12.  Acknowledgements

   This draft was inspired by similar work in the OpenPGP space by
   Bjarni Runar and juga at [I-D.bre-openpgp-samples].

   Eric Rescorla helped spot issues with certificate formats.

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   Sean Turner pointed to [RFC4134] as prior work.

   Deb Cooley suggested that Alice and Bob should have separate
   certificates for signing and encryption.

   Wolfgang Hommel helped to build reproducible encrypted PKCS#12
   objects.

   Carsten Bormann got the XML "sourcecode" markup working for this
   draft.

   David A.  Cooper identified problems with the certificates and
   suggested corrections.

   Lijun Liao helped get the terminology right.

13.  References

13.1.  Normative References

   [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate
              Requirement Levels", BCP 14, RFC 2119,
              DOI 10.17487/RFC2119, March 1997,
              <https://www.rfc-editor.org/info/rfc2119>.

   [RFC5280]  Cooper, D., Santesson, S., Farrell, S., Boeyen, S.,
              Housley, R., and W. Polk, "Internet X.509 Public Key
              Infrastructure Certificate and Certificate Revocation List
              (CRL) Profile", RFC 5280, DOI 10.17487/RFC5280, May 2008,
              <https://www.rfc-editor.org/info/rfc5280>.

   [RFC5322]  Resnick, P., Ed., "Internet Message Format", RFC 5322,
              DOI 10.17487/RFC5322, October 2008,
              <https://www.rfc-editor.org/info/rfc5322>.

   [RFC7292]  Moriarty, K., Ed., Nystrom, M., Parkinson, S., Rusch, A.,
              and M. Scott, "PKCS #12: Personal Information Exchange
              Syntax v1.1", RFC 7292, DOI 10.17487/RFC7292, July 2014,
              <https://www.rfc-editor.org/info/rfc7292>.

   [RFC8032]  Josefsson, S. and I. Liusvaara, "Edwards-Curve Digital
              Signature Algorithm (EdDSA)", RFC 8032,
              DOI 10.17487/RFC8032, January 2017,
              <https://www.rfc-editor.org/info/rfc8032>.

   [RFC8174]  Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC
              2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174,
              May 2017, <https://www.rfc-editor.org/info/rfc8174>.

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   [RFC8551]  Schaad, J., Ramsdell, B., and S. Turner, "Secure/
              Multipurpose Internet Mail Extensions (S/MIME) Version 4.0
              Message Specification", RFC 8551, DOI 10.17487/RFC8551,
              April 2019, <https://www.rfc-editor.org/info/rfc8551>.

13.2.  Informative References

   [FIPS186-4]
              "Digital Signature Standard (DSS)", National Institute of
              Standards and Technology report,
              DOI 10.6028/nist.fips.186-4, July 2013,
              <https://doi.org/10.6028/nist.fips.186-4>.

   [I-D.bre-openpgp-samples]
              Einarsson, B. R., juga, and D. K. Gillmor, "OpenPGP
              Example Keys and Certificates", Work in Progress,
              Internet-Draft, draft-bre-openpgp-samples-01, 20 December
              2019, <https://www.ietf.org/archive/id/draft-bre-openpgp-
              samples-01.txt>.

   [RFC4134]  Hoffman, P., Ed., "Examples of S/MIME Messages", RFC 4134,
              DOI 10.17487/RFC4134, July 2005,
              <https://www.rfc-editor.org/info/rfc4134>.

   [RFC7469]  Evans, C., Palmer, C., and R. Sleevi, "Public Key Pinning
              Extension for HTTP", RFC 7469, DOI 10.17487/RFC7469, April
              2015, <https://www.rfc-editor.org/info/rfc7469>.

   [RFC8410]  Josefsson, S. and J. Schaad, "Algorithm Identifiers for
              Ed25519, Ed448, X25519, and X448 for Use in the Internet
              X.509 Public Key Infrastructure", RFC 8410,
              DOI 10.17487/RFC8410, August 2018,
              <https://www.rfc-editor.org/info/rfc8410>.

   [RFC8418]  Housley, R., "Use of the Elliptic Curve Diffie-Hellman Key
              Agreement Algorithm with X25519 and X448 in the
              Cryptographic Message Syntax (CMS)", RFC 8418,
              DOI 10.17487/RFC8418, August 2018,
              <https://www.rfc-editor.org/info/rfc8418>.

   [SHA256]   Dang, Q., "Secure Hash Standard", National Institute of
              Standards and Technology report,
              DOI 10.6028/nist.fips.180-4, July 2015,
              <https://doi.org/10.6028/nist.fips.180-4>.

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   [TEST-POLICY]
              NIST - Computer Security Divisiion (CSD), "Test
              Certificate Policy to Support PKI Pilots and Testing", May
              2012, <https://csrc.nist.gov/CSRC/media/Projects/Computer-
              Security-Objects-Register/documents/test_policy.pdf>.

Author's Address

   Daniel Kahn Gillmor (editor)
   American Civil Liberties Union
   125 Broad St.
   New York, NY,  10004
   United States of America

   Email: dkg@fifthhorseman.net

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