S/MIME Example Keys and Certificates
draft-ietf-lamps-samples-00

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Document Type Active Internet-Draft (lamps WG)
Author Daniel Gillmor 
Last updated 2021-05-03
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lamps                                                  D.K. Gillmor, Ed.
Internet-Draft                                                      ACLU
Intended status: Informational                                3 May 2021
Expires: 4 November 2021

                  S/MIME Example Keys and Certificates
                      draft-ietf-lamps-samples-00

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 4 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 . . . . . . . . . . . . . . . . . .   3
     1.2.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
     1.3.  Prior Work  . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Background  . . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.1.  Certificate Usage . . . . . . . . . . . . . . . . . . . .   4
     2.2.  Certificate Expiration  . . . . . . . . . . . . . . . . .   4
     2.3.  Certificate Revocation  . . . . . . . . . . . . . . . . .   4
     2.4.  Using the CA in Test Suites . . . . . . . . . . . . . . .   4
     2.5.  Certificate Chains  . . . . . . . . . . . . . . . . . . .   5
     2.6.  Passwords . . . . . . . . . . . . . . . . . . . . . . . .   5
     2.7.  Secret key origins  . . . . . . . . . . . . . . . . . . .   5
   3.  Example Certificate Authority . . . . . . . . . . . . . . . .   6
     3.1.  Certificate Authority Certificate . . . . . . . . . . . .   6
     3.2.  Certificate Authority Secret Key  . . . . . . . . . . . .   6
   4.  Alice's Sample Certificates . . . . . . . . . . . . . . . . .   7
     4.1.  Alice's Signature Verification End-Entity Certificate . .   7
     4.2.  Alice's Signing Private Key Material  . . . . . . . . . .   8
     4.3.  Alice's Encryption End-Entity Certificate . . . . . . . .   9
     4.4.  Alice's Decryption Private Key Material . . . . . . . . .  10
     4.5.  PKCS12 Object for Alice . . . . . . . . . . . . . . . . .  11
   5.  Bob's Sample  . . . . . . . . . . . . . . . . . . . . . . . .  14
     5.1.  Bob's Signature Verification End-Entity Certificate . . .  14
     5.2.  Bob's Signing Private Key Material  . . . . . . . . . . .  15
     5.3.  Bob's Encryption End-Entity Certificate . . . . . . . . .  16
     5.4.  Bob's Decryption Private Key Material . . . . . . . . . .  17
     5.5.  PKCS12 Object for Bob . . . . . . . . . . . . . . . . . .  18
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  21
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  21
   8.  Document Considerations . . . . . . . . . . . . . . . . . . .  22
     8.1.  Document History  . . . . . . . . . . . . . . . . . . . .  22
       8.1.1.  Substantive Changes from draft-dkg-*-05 to
               draft-ietf-*-00 . . . . . . . . . . . . . . . . . . .  22
       8.1.2.  Substantive Changes from draft-dkg-*-04 to
               draft-dkg-*-05  . . . . . . . . . . . . . . . . . . .  22
       8.1.3.  Substantive Changes from draft-dkg-*-03 to
               draft-dkg-*-04  . . . . . . . . . . . . . . . . . . .  22
       8.1.4.  Substantive Changes from draft-dkg-*-02 to
               draft-dkg-*-03  . . . . . . . . . . . . . . . . . . .  22
       8.1.5.  Substantive Changes from draft-dkg-*-01 to
               draft-dkg-*-02  . . . . . . . . . . . . . . . . . . .  22
       8.1.6.  Substantive Changes from draft-dkg-*-00 to
               draft-dkg-*-01  . . . . . . . . . . . . . . . . . . .  22
   9.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  22
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  23
     10.1.  Normative References . . . . . . . . . . . . . . . . . .  23

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     10.2.  Informative References . . . . . . . . . . . . . . . . .  23
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .  24

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 certificate authority is supplied, and samples are
   provided for two "personas", Alice and Bob.

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

   *  "Certificate 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.

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   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.  This document
   intends to focus specifically on identity and key material, as a
   starting point for other documents that can develop examples or test
   cases from them.

2.  Background

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.

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 the example CA (Section 3) 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 examples presented in this document use a simple two-link
   certificate chain, and therefore may be unsuitable for simulating
   some real-world deployments.

   In particular, testing the use of a "transvalid" certificate (an end-
   entity certificate that is supplied without its intermediate
   certificate) is not possible with the configuration here.

2.6.  Passwords

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

   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 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 seeds and
   their derivation are included in the document for informational
   purposes, and to allow re-creation of the objects from appropriate
   tooling.

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   All 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 Certificate Authority

   The example Certificate Authority has the following information:

   *  Name: "Sample LAMPS Certificate Authority"

3.1.  Certificate Authority Certificate

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

   -----BEGIN CERTIFICATE-----
   MIIDLDCCAhSgAwIBAgITD5FARp09T2LXr/FPQiI+8ZsGAjANBgkqhkiG9w0BAQ0F
   ADAtMSswKQYDVQQDEyJTYW1wbGUgTEFNUFMgQ2VydGlmaWNhdGUgQXV0aG9yaXR5
   MCAXDTE5MTEyMDA2NTQxOFoYDzIwNTIwOTI3MDY1NDE4WjAtMSswKQYDVQQDEyJT
   YW1wbGUgTEFNUFMgQ2VydGlmaWNhdGUgQXV0aG9yaXR5MIIBIjANBgkqhkiG9w0B
   AQEFAAOCAQ8AMIIBCgKCAQEAnFB71AsptFyqxG4qPtbt2VLJVctHyNXtlIUWve4q
   PSo/+Oi9s3sf+t7krrosxlv626L+Wm05t99ZVKWKn7y2uYyO7/IToRpTwHN1sXga
   Uz/u2gjPfS69R20ZNSKL9EiB78hgCr1UvY5elQoW2Y4zqQGR729pQYI5obT15V8n
   wdyHCTvecvvvMGBiaAk66VlMQCZLG+nVU8wYVCl6fE37Z1qAs12XlUJr3DGgVKGf
   ZpMz55xiV8q11Aobhmx4aPPyE4GWshDDt4DbtYJMGLEeik1AmNHBsmyaQCLBxVE3
   3ZW1UrhK5Pb9qSL4gizDZ7ZaGZNudwjJu20HHVIGQT7nDwIDAQABo0MwQTAPBgNV
   HRMBAf8EBTADAQH/MA8GA1UdDwEB/wQFAwMHBgAwHQYDVR0OBBYEFHhfDlp42Gvk
   VHA9s93s9/Hy+sBHMA0GCSqGSIb3DQEBDQUAA4IBAQAMqotfBm1fUs18JqiTgZhW
   LUo/Oo+l/rVEIMUPN8+uZgxfOwA0u9cE0IAgMdVELfyHuEt5ld+xyS300z1/Z3X0
   w1NpEaLmgBNB70kmjNZkvT/aWDlKE3JVUITYkkLOm10U5J1dF3DjGH+kK+/nbeF2
   mHTquWfm7420fJJNvCWgvylBHCFheFHt450G/2t5b8+0a4Qj6/QPsqGwiD6NjLrA
   gD0oKIyQP6HNQ8fGpYekiLcq8NQ3sFBYsNUmfAy/Zfjo9/5o5qc+2UwRPTv+QUZx
   0bBs2gH3LVOuvgkHXm5EFyfjCInWTOg0PBlsjvHjrROQHSsuL/Bd3uuqG02bJbbj
   -----END CERTIFICATE-----

3.2.  Certificate Authority Secret Key

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

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   -----BEGIN PRIVATE KEY-----
   MIIE/AIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQCcUHvUCym0XKrE
   bio+1u3ZUslVy0fI1e2UhRa97io9Kj/46L2zex/63uSuuizGW/rbov5abTm331lU
   pYqfvLa5jI7v8hOhGlPAc3WxeBpTP+7aCM99Lr1HbRk1Iov0SIHvyGAKvVS9jl6V
   ChbZjjOpAZHvb2lBgjmhtPXlXyfB3IcJO95y++8wYGJoCTrpWUxAJksb6dVTzBhU
   KXp8TftnWoCzXZeVQmvcMaBUoZ9mkzPnnGJXyrXUChuGbHho8/ITgZayEMO3gNu1
   gkwYsR6KTUCY0cGybJpAIsHFUTfdlbVSuErk9v2pIviCLMNntloZk253CMm7bQcd
   UgZBPucPAgMBAAECggEAJ56StD0cFfYC5oTRulm5sYK1O0Sp7jKi5CkTiZJrLFOg
   IVPEeVB0255RMiRIIwK/Q5o9g+f5YCyBNN48k54+ZitFM3YVGZlVrwrUwuWhLoae
   4K6pAJ6vJQJ3CCu4c3NJU+Biz3YLm3wRZw9GmV/cojKeraR8djkuqFj4lmmW5yC7
   mj8XLnl1snOAEZEHhi/10zibru5GoCjwFrmJT8qbmYX89gbua24wcVlmqImzV48z
   lQJ0nJDJ8VPNjwvyX27DjefBw2FgUiT8J/iEmS7BZ+1laF/UyEsxqsZ4odJIVfPT
   /JbGl+VkAoM1R2Qrv6ZFisDVfGZkIpWtSaBlknh+CQKBgQC82Y7gYnG3wiotvTKC
   L5BWMWoknCM4LTM5AqYSZjfpnMsOEfOgzpyABUyK+3zKrzoqxokVfuvHlj2Hzw8Y
   EUQ2gqJdU5iObl3dH0C7K5J/9Kua12VEcv5NFiBs5paMXTub6SdG0CyeUUfDW133
   UfdW0rgCuPvPpya7lQa4k2T8XQKBgQDT5VHzRJMXRKTaI6nHw5RI2F88b89nvkib
   BRvnDm2N7bxVfLiKSf2hQUhdLppIm0J8it/ksjJ/zQ197UA6DfilAjQB+mKi/fB8
   h7pmElFElhy71/93T/uv2CA1RaIGSWhTMu+7Z9+/5cb1zRsorgrB2s0tTpDkDnuX
   A1wRbBraWwKBgQCyNUsSi1NsaJmM2AEVwPSfobncGktR87Vmkw1MR5FzrjYfbOlO
   Uip01ItKi89TJM/rFba+xiqRCUG/KrG/sGuCVPwKvZw0rAl/ZMKc3Z09ihF16NTz
   JuC6taqbmW1vv3tEwVwDAudX7rOdslaV0I9rKyXhy9Y0OjPex96zxsOBMQKBgQCt
   Wj7hNojf0FjN3b9YnrkBn4LKfu6/gP0FVfit3y/hnU0m4xJWkJHfCvmYwjeWju6l
   1Te2cdK+m5MeIqsY07VHybWiqKVpkzbbqm7kcrfp1KVNSDjH87eE9NvkuUMEwamH
   53QZbbGv3NwY2+QMM9a5IbgaCNygtviFY0o/NqIBYQKBgQCyki2Y/sKDolNBbjwf
   nFMsdYb+nRmbJMSvLHbJSVhypB6aX3qjHhBlPrTW6WT5KIjumCtSadsDceUtr9tT
   2ofP0ZOXP9IDIF2v1X3165LPsieGZv4VzhLivJrfMYfI4p4GkiK44RSUWcxrBAmq
   9SGCNQ8nx1AsXLZn57U52Oji8KA7MDkGCisGAQQBkggSCAExKzApBglghkgBZQME
   AgIEHPBUYbjdNRelyUPep86pkRfIdEPM9N+yPctTfB0=
   -----END PRIVATE KEY-----

   This secret key was generated using provable prime generation found
   in [FIPS186-4] using the seed
   "f05461b8dd3517a5c943dea7cea99117c87443ccf4dfb23dcb537c1d".  This
   seed is the first 224 bits of the [SHA256] digest of the string
   "draft-lamps-sample-certs-keygen.ca.seed".

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.

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   -----BEGIN CERTIFICATE-----
   MIIDbTCCAlWgAwIBAgIToTV4Z0iuK08vZP20oTh//hC8BDANBgkqhkiG9w0BAQ0F
   ADAtMSswKQYDVQQDEyJTYW1wbGUgTEFNUFMgQ2VydGlmaWNhdGUgQXV0aG9yaXR5
   MCAXDTE5MTEyMDA2NTQxOFoYDzIwNTIwOTI3MDY1NDE4WjAZMRcwFQYDVQQDEw5B
   bGljZSBMb3ZlbGFjZTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALT0
   iehYOBY+TZp/T5K2KNI05Hwr+E3wP6XTvyi6WWyTgBK9LCOwI2juwdRrjFBSXkk7
   pWpjXwsA3A5GOtz0FpfgyC7OxsVcF7q4WHWZWleYXFKlQHJD73nQwXP968+A/3rB
   X7PhO0DBbZnfitOLPgPEwjTtdg0VQQ6Wz+CRQ/YbHPKaw7aRphZO63dKvIKp4cQV
   tkWQHi6syTjGsgkLcLNau5LZDQUdsGV+SAo3nBdWCRYV+I65x8Kf4hCxqqmjV3d/
   2NKRu0BXnDe/N+iDz3X0zEoj0fqXgq4SWcC0nsG1lyyXt1TL270I6ATKRGJWiQVC
   CpDtc0NT6vdJ45bCSzsCAwEAAaOBlzCBlDAMBgNVHRMBAf8EAjAAMB4GA1UdEQQX
   MBWBE2FsaWNlQHNtaW1lLmV4YW1wbGUwEwYDVR0lBAwwCgYIKwYBBQUHAwQwDwYD
   VR0PAQH/BAUDAwfAADAdBgNVHQ4EFgQUu/bMsi0dBhIcl64papAQ0yBmZnMwHwYD
   VR0jBBgwFoAUeF8OWnjYa+RUcD2z3ez38fL6wEcwDQYJKoZIhvcNAQENBQADggEB
   ABbWeonR6TMTckehDKNOabwaCIcekahAIL6l9tTzUX5ew6ufiAPlC6I/zQlmUaU0
   iSyFDG1NW14kNbFt5CAokyLhMtE4ASHBIHbiOp/ZSbUBTVYJZB61ot7w1/ol5QEC
   Ss08b8zrxIncf+t2DHGuVEy/Qq1drBz8d4ay8zpqAE1tUyL5DcqZiKUfWwZQXSI/
   JlbjQFzYQqTRDnzHWrg1xPeMTO1P2/cplFaseTivyk4cYwOp/W9UAWymOZXF8WcJ
   YCIUXkdcG/nEZxr057KlScrJmFXOoh7Y+8ON4iWYYcAfiNgpUFo/j8BAwrKKaFvd
   lZS9k1Ypb2+UQY75mKJE9Bg=
   -----END CERTIFICATE-----

4.2.  Alice's Signing Private Key Material

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

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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 4 November 2021                [Page 9]
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   -----BEGIN CERTIFICATE-----
   MIIDbTCCAlWgAwIBAgIT3r7MRJB7qx35ms1tFWj7th3y5jANBgkqhkiG9w0BAQ0F
   ADAtMSswKQYDVQQDEyJTYW1wbGUgTEFNUFMgQ2VydGlmaWNhdGUgQXV0aG9yaXR5
   MCAXDTE5MTEyMDA2NTQxOFoYDzIwNTIwOTI3MDY1NDE4WjAZMRcwFQYDVQQDEw5B
   bGljZSBMb3ZlbGFjZTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAJqV
   KfqLwaLjj+gBUCfkacKTg8cc2OtJ9ZSed6U3jUoiZVpMLcP3MUKtLeLg9r1mAfID
   lB/wlbdmadXPmrszyidmbuZmOpB5voVQfiLYYy3iOx7YOqzXrl6udP07k0sV+UdS
   NRFxrfKeoQEFXgOaGdmnx4OG/e3p1fIKM0dPzZLoOAJF5m5O0xzXPL74zFCWp2f1
   ZkuE4A6l41koaZXCN5XL7wWTLMLeNf9Byb5ksKqUuqEHAMd1nmoNMgjY9VfVfcrv
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   MBWBE2FsaWNlQHNtaW1lLmV4YW1wbGUwEwYDVR0lBAwwCgYIKwYBBQUHAwQwDwYD
   VR0PAQH/BAUDAwcgADAdBgNVHQ4EFgQUolNB1UQ8gCkVfAEj8OeOr83zdw8wHwYD
   VR0jBBgwFoAUeF8OWnjYa+RUcD2z3ez38fL6wEcwDQYJKoZIhvcNAQENBQADggEB
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   fsQD2Gu1sz0Ofpqzaw0QHo90ghEcz3GOb9/JFEBRwV8Ern1rHXKRis56PPdBAlTg
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   ZGil0pxx9jdMS5qaTdjb66GvPpkQI1uH4E9xiYbJu5bD+SX0Sgzih79GEhaP8vjc
   w6+P//nJ3ExJkVT7OvIJmwGvV0ULtmsghoigcd2BBc/fOKdbyIBmJBe152dd02EW
   6FwMfHKDtHO8k+/XBeZcxF0=
   -----END CERTIFICATE-----

4.4.  Alice's Decryption Private Key Material

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

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   -----BEGIN PRIVATE KEY-----
   MIIE+gIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQCalSn6i8Gi44/o
   AVAn5GnCk4PHHNjrSfWUnnelN41KImVaTC3D9zFCrS3i4Pa9ZgHyA5Qf8JW3ZmnV
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   Cg1Stt7tKgSvAV/nEjN8e/vA91/AACKBCNcLzEoLgQKBgQC4eTM6BDCzlusXJBK4
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   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 4 November 2021               [Page 11]
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   -----BEGIN PKCS12-----
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   v1WxHo4y/1d1VeGDaB7hOSDq9ZMpm9n1En7F6/1/s4IUZHja/qRrK9hD4M0Xq0Lh
   FXuUzuipo49OMUAwGQYJKoZIhvcNAQkUMQweCgBhAGwAaQBjAGUwIwYJKoZIhvcN
   AQkVMRYEFKJTQdVEPIApFXwBI/Dnjq/N83cPMIIFlAYJKoZIhvcNAQcBoIIFhQSC

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   BYEwggV9MIIFeQYLKoZIhvcNAQwKAQKgggUmMIIFIjAcBgoqhkiG9w0BDAEDMA4E
   CKq4DtyiayOyAgIUpQSCBQAKQtkPOS4sLE6Os7nP4RaJWBuyXl27V/o6TusBRBgQ
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   64SwBLXcWcY+NK2EZrhzrUFjl+PXFKY3IVVPJhTE9o7gJA0hzvAanOluWXozD3/W
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   tnoKE+EkdQmyZ1VoDO9ih44zuRx6XV4AEYafNB8ygjRHGsvPW0/M0Es0w16wzJHT
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   LfOLWHXiBAj1OQCGvaJQwQICKAA=
   -----END PKCS12-----

5.  Bob's Sample

   Bob has the following information:

   *  Name: "Bob Babbage"

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

5.1.  Bob's Signature Verification End-Entity Certificate

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

Gillmor                  Expires 4 November 2021               [Page 14]
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   -----BEGIN CERTIFICATE-----
   MIIDaDCCAlCgAwIBAgITWeEgizhkG2crS8Kgl56AnNft6zANBgkqhkiG9w0BAQ0F
   ADAtMSswKQYDVQQDEyJTYW1wbGUgTEFNUFMgQ2VydGlmaWNhdGUgQXV0aG9yaXR5
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   b2IgQmFiYmFnZTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAOZwBdIJ
   UaH/TYwSpHuoPu0S6zoEX8EI3B/ts5tAH+uxSUTaxME7jrrZVmplAN6ffsG+16os
   1RzkIVXrI8IKfDyaaPAHZvGq/OHdrbXstTlXcWgibjXu0iY368EoQejbwJu0vAgx
   t/hGqZDvX859qVsGkREOrcFrR4tUE+dT3bkbYkNaKrLiZPCwQ4FDGZSlLGl3xfBi
   syZRrmi0Zef9yn6/fm+lZAg7sU2WC2cbevmt/0JGgtyPZtsoD7m7RxSQeT+frPG6
   ETkiptTgdYLC6MPHhfUuzrXBhnqKGSYiVEAkdeDWlOWyMnyhGVdmErV8Hc7aBCSd
   n0VESCvvGJ8JQd0CAwEAAaOBlTCBkjAMBgNVHRMBAf8EAjAAMBwGA1UdEQQVMBOB
   EWJvYkBzbWltZS5leGFtcGxlMBMGA1UdJQQMMAoGCCsGAQUFBwMEMA8GA1UdDwEB
   /wQFAwMHwAAwHQYDVR0OBBYEFBfFhHvQp+92kDi4s28IvJK1niuUMB8GA1UdIwQY
   MBaAFHhfDlp42GvkVHA9s93s9/Hy+sBHMA0GCSqGSIb3DQEBDQUAA4IBAQAT2G9y
   JTWq6FS7hBYLjeBijVILmvwRiy+AucPJS/DtPM10mwObdrTnvOoLKeEIQWDV7gg5
   RNWiHlhSUsjUdXcsOvuQ3FxsKp5scFd9xc9C7EAzaoorvpQOSiJsFEFnkvQwjdZ0
   rfHH2Y+k2Sa5YZZdhZJWwqyNWQmUavWSmazqkUb5DAlOx7Dcfb4AzEX3sO55LAYF
   XKpqLxzoVPsiy1JsEmSd1IRe5ux/b66xdwpSTx935A0nTQ8UcBvndM6o+4UIFZOb
   PPLBKORIXiHNtoWqjsxIcQaGDE8kY2LEc94wDUXcaJSOi2zCHuF+DOuUTXTPmCJC
   pVUZ9OWDKfM54rYh
   -----END CERTIFICATE-----

5.2.  Bob's Signing Private Key Material

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

Gillmor                  Expires 4 November 2021               [Page 15]
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   -----BEGIN PRIVATE KEY-----
   MIIE+wIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDmcAXSCVGh/02M
   EqR7qD7tEus6BF/BCNwf7bObQB/rsUlE2sTBO4662VZqZQDen37BvteqLNUc5CFV
   6yPCCnw8mmjwB2bxqvzh3a217LU5V3FoIm417tImN+vBKEHo28CbtLwIMbf4RqmQ
   71/OfalbBpERDq3Ba0eLVBPnU925G2JDWiqy4mTwsEOBQxmUpSxpd8XwYrMmUa5o
   tGXn/cp+v35vpWQIO7FNlgtnG3r5rf9CRoLcj2bbKA+5u0cUkHk/n6zxuhE5IqbU
   4HWCwujDx4X1Ls61wYZ6ihkmIlRAJHXg1pTlsjJ8oRlXZhK1fB3O2gQknZ9FREgr
   7xifCUHdAgMBAAECggEABcQg1fTtieZ+O/aNdU149NK0qx97GLTBjIguQEDDBVFK
   2lu4PhBg9AdgAUqLH1PE+eq65JaGZwvFH8X1Ms2AKiRzYsPOQIoJ4n1hc69uiEN9
   Ykcv4QHOvvqtCtWYjJyb5By9WPeLH6QynJ6FlBoSqxhURSWyYfTuwqt1OHEhsUuH
   d3N5BmbFiRBNj4aIA9zz+i5xL0m33kMKai/Ajj3sI0AJsZ5ZVAhYbC8sCt1Xevb6
   i41p9S6GSwGC19by+1y9WC1QGtb5GDotvChMvmZS/O3NeDc6xC/LZoQcHNVgiZd7
   f1g6iEkJlCYK+D7xsd7Y630w75Haj0vnlhiJObSA+wKBgQDxv8jp2D6IVRGgYfaC
   nUU3Mg70wagX1fgPHO9Sk6e9c8CgORh2uwWjpTawu88xBGFyZ+xnWqr7GCNsltas
   3m94ri4A4R94+5uL8+oOLC26gMDfzATd1Q3k/h919YLk89tonQEUbCFZJdphThEb
   vg2W+nNsEVcQGuClzhX0AyGMswKBgQD0BYk3sdGQbBA/hYD1EYsZfYebUiYv2lTt
   VGRgTohKFclRAWOtGP9YRbKyEVkBLhjgkXzS9xGqKywP71z9Iny+zDGbzk8ElB/g
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   KN/48qJmRv3tjqP+o+SXasYKsFE/4pIroLxTVNNkbQm6ektfttwpO1yPG834OwLk
   97HVWOig/tX6mOWg1yBsm+q9TKTrrvm1pRGlmE6BQgSYYy4r5O4u3VlnYwKBgQCl
   B4FvWyDhTVQHwaAfHUg3av/k+T++KSg6gVKJF1Nw1x8ZW5kvnbJC3pAlgTnyZFyK
   s5n5iwI1VZEtDbKTt1kqKCp8tqAV9p9AYWQKrgzxUJsOuUWcZc+X3aWEf87IIpNE
   iQKfXiZaquZ23T2tKvsoZz8nqg9x7U8hG3uYLV26HQKBgCOJ/C21yW25NwZ5FUdh
   PsQmVH7+YydJaLzHS/c7PrOgQFRMdejvAku/eYJbKbUv7qsJFIG4i/IG0CfVmu/B
   ax5fbfYZtoB/0zxWaLkIEStVWaKrSKRdTrNzTAOreeJKsY4RNp6rvmpgojbmIGA1
   Tg8Mup0xQ8F4d28rtUeynHxzoDswOQYKKwYBBAGSCBIIATErMCkGCWCGSAFlAwQC
   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 4 November 2021               [Page 16]
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   -----BEGIN CERTIFICATE-----
   MIIDaDCCAlCgAwIBAgITO17BWkcdhfwmHN7ueuPziuUW1DANBgkqhkiG9w0BAQ0F
   ADAtMSswKQYDVQQDEyJTYW1wbGUgTEFNUFMgQ2VydGlmaWNhdGUgQXV0aG9yaXR5
   MCAXDTE5MTEyMDA2NTQxOFoYDzIwNTIwOTI3MDY1NDE4WjAWMRQwEgYDVQQDEwtC
   b2IgQmFiYmFnZTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKrRwJQT
   TIgSJPIiasB5P8g6BVsI/D/WdbmHatWqiLqH746AMo3QPE27AURnZr2iDkkDnqbD
   Y1tZKO5RPB5Q7PSR59RPrcx95in5/htnq2PmpZDCU1z7zAFHQgPPntTie5PdYGFw
   6cyFqz9ynNMU5bCfLRiepocnSV98D9Px7sh6XykEHw7rDx/EuconT3Ilrge1o9F+
   MWNaVAM9q0kgJZxr4RMyhW1uNwT42Fz1J0VjLVxcmtXY6uhG/TP5JW4XWYXgyy7I
   y1El2FO9K/VVxjP6nI3fzYVmKYQngXKrMGjOZly2HZtJhZqqHnBetplBNA4jXYcC
   k7Z3n3dHJZfg9xUCAwEAAaOBlTCBkjAMBgNVHRMBAf8EAjAAMBwGA1UdEQQVMBOB
   EWJvYkBzbWltZS5leGFtcGxlMBMGA1UdJQQMMAoGCCsGAQUFBwMEMA8GA1UdDwEB
   /wQFAwMHIAAwHQYDVR0OBBYEFEqzrDFTAkmcTeNueeAlYZU+iGIlMB8GA1UdIwQY
   MBaAFHhfDlp42GvkVHA9s93s9/Hy+sBHMA0GCSqGSIb3DQEBDQUAA4IBAQCCgLLW
   tCBYZK+DatWaOVNiJdTxgQBRXtspGV79bejJgFV2YG9BwvacdKx3ZnCNiUprr69Y
   WOjP/l9GP4bCKHNfrp6j79rGxe8MtxEWswF00cBj6QYZaWWjMXQS5G6NJqSAWlCl
   cQfNSVMIgtD6vCf3ibyB22LDRYBokLFSK63B0y0OXbdGZYaQNVFqCXBPT5zhB3p7
   lZAU09PukACJI+7lfupW6Xc3Brhqnw9pkouNElBvMSx5rAcAxsNK4/Jkw+sQSEih
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   t1oEQxqwa0AMz5Fn
   -----END CERTIFICATE-----

5.4.  Bob's Decryption Private Key Material

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

Gillmor                  Expires 4 November 2021               [Page 17]
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   -----BEGIN PRIVATE KEY-----
   MIIE/AIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQCq0cCUE0yIEiTy
   ImrAeT/IOgVbCPw/1nW5h2rVqoi6h++OgDKN0DxNuwFEZ2a9og5JA56mw2NbWSju
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   skiVZko70uJ8pR6asWUlr/zOjlEwZ7RnEUWet97oM0YeA07LDFDkF7eUq//6bfzT
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   17Bd2GM8Urg6VYzVo6x4ajnc1H/ezYLdc459poTffv6Fg2trqFVAj2IrQlAeqjda
   lemsa6Np801mUGknq3fjKS13RYGBv/48rCHOT8eRgQKBgQDM5TuS4ANQjOYoOgtF
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   HOCcHRLfBmC7t0GdVvLDHSAX8Ec47LbtKZqyM1U9dn7Z+5q4iywqpaP8pP3+oY57
   cgtQax1jle3xhRAj65cl1RBmQQKBgQDVbLqK6wKDfSdZuMZGUtOY0rtamBDCgEU6
   rEqBAyCPy5NpF1pomUFcYKWT/wbReFqtuyq2OyiATB0yHHMko46BUtN7qX/m/skt
   DHWXVWs1+G4IgEMVokM9jjrkgdY5grrJ68sagKC+bgv35BizHPIqgQuO6qnPSrM9
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   4raEj+GhLC5BZsZ6+z480M6XXFWOwSkbMv5WHl824KHvgKcfoh0OiR1EVyjN1gDx
   wKOQvjycMhs3FpXn0arjCczS2wGSgPGEpUR4JJhcpfaF6kphZsWDWzVlAQKBgQC2
   ivbKltNhj4w2q1m7EGC3F5bzl5jOI1QTKQXYbspM8zwz6KuFR3+l+Wvlt30ncJ9u
   dOXFU7gCdBeMotTBA7uBVUxZOtKQyl9bTorNU1wNn1zNnJbETDLi1WH9zCdkrTIC
   PtFK67WQ6yMFdWzC1gEy5YjzRjbTe/rukbP5weH1uQKBgQC+WfachEmQ3NcxSjbR
   kUxCcida8REewWh4AldU8U0gFcFxF6YwQI8I7ujtnCK2RKTECG9HCyaDXgMwfArV
   zf17a9xDJL2LQKrJ9ATeSo34o9zIkpbJL0NCHHocOqYdHU+VO2ZE4Gu8DKk3siVH
   XAaJ/RJSEqAIMOgwfGuHOhhto6A7MDkGCisGAQQBkggSCAExKzApBglghkgBZQME
   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 4 November 2021               [Page 18]
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   -----BEGIN PKCS12-----
   MIIXoAIBAzCCFzgGCSqGSIb3DQEHAaCCFykEghclMIIXITCCBCcGCSqGSIb3DQEH
   BqCCBBgwggQUAgEAMIIEDQYJKoZIhvcNAQcBMBwGCiqGSIb3DQEMAQMwDgQIe/d6
   qDQ/28QCAhQGgIID4OAnlsZankpTStcSJpXiMtvB6Ol+f6XhgDJ5hOJLHyYerFHQ
   6BaMiIgPQ3ycT/UwYjtIE9yo6NxHz94jCsMM74OgzUMYc1b62VChOcADCRpZ2HYy
   EGfGQPUdxKuOzbeS7O9LQNrCA0/B2y+Wtu4D+dthoO84KK9916Jq87+eDrA8qXQm
   sy1jVGNBA6Y1n2DWAnR4H9+Ghm0tYCcRDPhd6togL533EZ8FsbGw/eZbkojyAYGj
   wNjkk+DfJcIIxIxuN4OMY9lFnqakj3OcQA5vChL/2qa+DhkDAkEwqBKDwNv6eMol
   gyvLbusIOxsPc9ejLPoXn4JEURtkInN6zUr2j9OVpQzjqaJx8lSwDS04i0fmUzqi
   RzaCy3CKw2VQZyEfXmtbad2fVp7yXP/Bx2R0ddeCpj604PLPe0kxPFrdCIIVIg2y
   CZmjcjvJJCWehiDHsmVvKVkfmthJmoS0qRLZ4Sc2AVQZwA30zc4hFEh6hECUBmS+
   v4Nlp1IOocSPLTW0nw2e/+I1+Y0nfo3wRpQMHNL5DHxhgRRa73IHKdpwY2dGOmw5
   yKzJnhJAVoiTIy1CbK3Rfd7buuWTpOyL14AbFFfW9N2LP8QWYWi0m/fZs/z7MPVL
   kTi63kzk7jHpOzxoy8Xzs5QlrDQlTaDrG8yqGmVTSxvvGhx243xonNja1A8TWaf4
   5GBuZwEDyehmyclX+G49rz7PewVyXdJuUDgUKub+Y/RTKUh55oGpbNKNK2WLIYgH
   XOQRVJa/VZJfc9IDqF9ZfPiyVCACx3tSzqeCzNW8n2bvppX68vpUT8V2FSFBVB6c
   +VcBNJ5MdpatpqH0CaBOmfWmOBA8him76FSSQokuANZhI+wxGw8+mvcrJTpZnuVq
   xndKasvJxpHfARrgTk8l5ijNXnxrGzWktMH3lWbhJciIPtw4DJhcO17dhoptJepS
   enF+cpZXRoXY5HsiengdGpDgXP7aiWIgrdrWqr1ktzX8o94+EKeZrEU0WoWDZHo+
   gCjtLUwKH6f/oyex2dWfe8ABDyjat/WZRFwf8qpJuE5vbL50VDNbLEAMgGFXPuE1
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   -----END PKCS12-----

6.  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.

7.  IANA Considerations

   IANA has nothing to do for this document.

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8.  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"

8.1.  Document History

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

   *  WG adoption (dkg moves from Author to Editor)

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

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

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

   *  Describe deterministic key generation

   *  label PEM blobs with filenames in XML

8.1.4.  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.

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

   *  PKCS#12 objects are deliberately locked with simple passphrases

8.1.6.  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

9.  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.

10.  References

10.1.  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>.

   [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>.

   [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>.

10.2.  Informative References

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   [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>.

   [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>.

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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