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Independent Submission                                  E. Karelina, Ed.
Request for Comments: 9548                                      InfoTeCS
Category: Informational                                         May 2024
ISSN: 2070-1721


  Generating Transport Key Containers (PFX) Using the GOST Algorithms

Abstract

   This document specifies how to use "PKCS #12: Personal Information
   Exchange Syntax v1.1" (RFC 7292) to transport key containers (PFX)
   for storing keys and certificates in conjunction with the Russian
   national standard GOST algorithms.

   This specification has been developed outside the IETF.  The purpose
   of publication is to facilitate interoperable implementations that
   wish to support the GOST algorithms.  This document does not imply
   IETF endorsement of the cryptographic algorithms used here.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   This is a contribution to the RFC Series, independently of any other
   RFC stream.  The RFC Editor has chosen to publish this document at
   its discretion and makes no statement about its value for
   implementation or deployment.  Documents approved for publication by
   the RFC Editor are not candidates for any level of Internet Standard;
   see Section 2 of RFC 7841.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   https://www.rfc-editor.org/info/rfc9548.

Copyright Notice

   Copyright (c) 2024 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.

Table of Contents

   1.  Introduction
   2.  Conventions Used in This Document
   3.  Basic Terms and Definitions
   4.  PFX
     4.1.  Structure of PFX
     4.2.  AuthenticatedSafe
       4.2.1.  Unencrypted Data
       4.2.2.  Password-Encrypted Data
     4.3.  SafeContents and SafeBag
   5.  GOST R 34.10-2012 Key Representation
     5.1.  Masking GOST R 34.10-2012 Keys
     5.2.  KeyBag Structure for GOST R 34.10-2012 Key
     5.3.  OneAsymmetricKey Structure
     5.4.  EncryptedPrivateKeyInfo Structure for GOST R 34.10-2012 Key
   6.  GOST R 34.10-2012 Certificate Representation
   7.  Security Mechanisms
   8.  Security Considerations
   9.  IANA Considerations
   10. ASN.1 Modules
   11. References
     11.1.  Normative References
     11.2.  Informative References
   Appendix A.  Examples
     A.1.  Test Data
       A.1.1.  Test Certificate
       A.1.2.  Test Key
     A.2.  Example of a PFX with a Password-Protected Key and
           Unencrypted Certificate
       A.2.1.  PFX in BASE64 Format
       A.2.2.  PFX in ASN.1 Format
       A.2.3.  Decrypted Key Value in BASE64 Format
       A.2.4.  Decrypted Key Value in ASN.1 Format
     A.3.  Example of a PFX with a Password-Protected Key and a
           Password-Protected Certificate
       A.3.1.  PFX in BASE64 Format
       A.3.2.  PFX in ASN.1 Format
       A.3.3.  Decrypted Key Value in BASE64 Format
       A.3.4.  Decrypted Key Value in ASN.1 Format
   Acknowledgments
   Author's Address

1.  Introduction

   This document provides a specification of the usage of GOST
   algorithms with PKCS #12 v1.1.

   PKCS #12 v1.1 describes a syntax for transfer of personal information
   such as private keys, certificates, and various secrets.

   This memo describes the creation of transport key containers (PFX)
   for keys and certificates using the GOST R 34.10-2012 algorithm.  The
   GOST R 34.11-2012 algorithm is used to ensure the integrity of PFX.

   Caution:

   This specification is not a standard and does not have IETF community
   consensus.  It makes use of a cryptographic algorithm that is a
   national standard for Russia.  Neither the IETF nor the IRTF has
   analyzed that algorithm for suitability for any given application,
   and it may contain either intended or unintended weaknesses.

2.  Conventions Used in This Document

   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.

3.  Basic Terms and Definitions

   Throughout this document, the following notations are used:

   P  a password encoded as a Unicode UTF-8 string

   S  a random initializing value

   V_s  the set of byte strings of length s, where s >= 0; the string b
      = (b_1,...,b_s) belongs to the set V_s if b_1,...,b_s belongs to
      {0,...,255}

   |A|  the number of components (a length) of the vector A belonging to
      V_s (if A is an empty string, then |A| = 0)

   A||C  a concatenation of two byte strings A, C from V_s, i.e., a
      string from V_(|A|+|C|), where the left substring from V_(|A|) is
      equal to the string A and the right substring from V_(|C|) is
      equal to the string C: A = (a_1,...,a_(n_1)) in V_(n_1) and C =
      (c_1,...,c_(n_2)) in V_(n_2), res =
      (a_1,...,a_(n_1),c_1,...,c_(n_2)) in V_(n_1+n_2)

   F_q  a finite prime field represented as a set of q integers
      {0,1,...,q - 1}, where q > 3 - prime number

   b mod q  the minimum non-negative number comparable to b modulo p

   INT(b)  integer INT(b) = b_1 + b_2 * 256 +...+ b_s * 256^(s-1), where
      b belongs to V_s

   This document uses the following terms and abbreviations:

   Signature  one or more data elements resulting from the signature
      process (Clause 3.12 of [ISO14888-1]).  Note: The terms "digital
      signature", "electronic signature", and "electronic digital
      signature" are considered equivalent in this document.

   Signature key  set of private data elements specific to an entity and
      usable only by this entity in the signature process (Clause 3.13
      of [ISO14888-1]).  Note: Sometimes called a private key.

   Verification key  set of public data elements that is mathematically
      related to an entity's signature key and is used by the verifier
      in the verification process (Clause 3.16 of [ISO14888-1]).  Note:
      Sometimes called a public key.

   ASN.1  Abstract Syntax Notation One, as defined in [X.680].

   BER  Basic Encoding Rules, as defined in [X.690].

   HMAC_GOSTR3411  Hash-Based Message Authentication Code.  A function
      for calculating a Message Authentication Code (MAC) based on the
      GOST R 34.11-2012 hash function (see [RFC6986]) with 512-bit
      output in accordance with [RFC2104].

4.  PFX

   The PFX (see [RFC7292]) is designed for secure storage and data
   transfer.  The scope of this document is to define how PFX is used
   for private key and certificate protection with a password when GOST
   R 34.10-2012 is applied.

4.1.  Structure of PFX

   In accordance with [RFC7292], PFX has the following structure:

   PFX ::= SEQUENCE
   {
       version     INTEGER {v3(3)}(v3,...),
       authSafe    ContentInfo,
       macData     MacData OPTIONAL
   }

   The fields of the PFX have the following meanings:

   *  version is the syntax version number; the only allowed value for
      this specification is 3.

   *  authSafe contains the data of type ContentInfo.  In the case of
      password integrity mode, the authSafe.content field has a Data
      type value and contains a BER-encoded value of the
      AuthenticatedSafe structure.

   *  macData has a MacData type; in the case of password integrity
      mode, the macData field should contain information about the
      algorithm and parameters for password key generation.  Integrity
      control is ensured by using the HMAC_GOSTR3411_2012_512 algorithm:
      the macData.mac.digestAlgorithm.algorithm field contains the
      HMAC_GOSTR3411_2012_512 algorithm identifier (see Section 7).
      When processing PFX, this field should be checked first.

4.2.  AuthenticatedSafe

   The AuthenticatedSafe structure is a sequence of ContentInfo values
   (see [RFC5652]):

   AuthenticatedSafe ::= SEQUENCE OF ContentInfo
      -- Data if unencrypted
      -- EncryptedData if password-encrypted
      -- EnvelopedData if public key-encrypted

4.2.1.  Unencrypted Data

   If the data is not encrypted, then the content field is the BER-
   encoded value of the SafeContents structure.  The contentType field
   is set to the id-data type.

4.2.2.  Password-Encrypted Data

   When password integrity mode is used, the data is represented as an
   EncryptedData structure (see [RFC5652]).  The encryption algorithm
   and parameters have the following values:

   ContentEncryptionAlgorithmIdentifier ::= SEQUENCE
   {
       encryptionAlgorithmOID  OBJECT IDENTIFIER,
       parameters              PBES2-params
   }

   The PBES2-params type is defined in [RFC9337].  The content should be
   encrypted according to the encryption algorithm in the PBES2 scheme,
   as described in [RFC9337].  The following identifier MUST be
   specified in the
   EncryptedData.EncryptedContentInfo.contentEncryptionAlgorithm.
   encryptionAlgorithmOID field:

   {
       iso(1) member-body(2) us(840) rsadsi(113549)
       pkcs(1) pkcs-5(5) pbes2(13)
   }

   The encrypted content is specified in the
   EncryptedData.EncryptedContentInfo.encryptedContent field.

4.3.  SafeContents and SafeBag

   In accordance with [RFC7292], the SafeContents structure is a
   sequence of SafeBag:

   SafeContents ::= SEQUENCE OF SafeBag

   where

   SafeBag ::= SEQUENCE
   {
       bagId         BAG-TYPE.&id ({PKCS12BagSet})
       bagValue [0]  EXPLICIT BAG-TYPE.&Type({PKCS12BagSet}{@bagId})
       bagAttributes SET OF PKCS12Attribute OPTIONAL
   }

   The fields of SafeBag have the following meanings:

   *  bagId is an object identifier; it defines the type of object.

   *  bagValue is the value of an object.

   *  bagAttributes contains the users' names, the key identifiers, and
      other additional information.  This field is optional.

   See [RFC7292], Section 4.2 for the different bag types.  This
   document describes the two object types of the SafeBag structure:

   1.  pkcs8ShroudedKeyBag

   2.  certBag

   When password integrity mode is used, the private key has the
   following structure:

   pkcs8ShroudedKeyBag BAG-TYPE ::=
   {
       PKCS8ShroudedKeyBag IDENTIFIED BY {bagtypes 2}
   }

   The bagValue field contains the key and information about the key, in
   encrypted form, in the EncryptedPrivateKeyInfo structure.

   A certBag contains a certificate of a certain type.  Object
   identifiers are used to distinguish between different certificate
   types.

   certBag BAG-TYPE ::=
   {
       CertBag IDENTIFIED BY { bagtypes 3 }
   }

   If the certificate is not encrypted, the CertBag structure is placed
   in the Data structure (see [RFC5652]).  If the certificate is
   encrypted, the CertBag structure is placed in the EncryptedData
   structure (see [RFC5652]).

5.  GOST R 34.10-2012 Key Representation

   This section describes the GOST R 34.10-2012 private key
   representation for asymmetric key pairs.  Masked keys should be used
   to ensure that private keys are protected from leaking through side
   channels when reading and performing operations with keys.

5.1.  Masking GOST R 34.10-2012 Keys

   The masking algorithm is defined by the basic cryptographic
   transformation operation of the algorithm: multiplication in the F_q
   field for GOST R 34.10-2012 keys.

   Let M_1, M_2, ..., M_k be a sequence of k masks.  Let M_i() denote
   the operation of applying the i-th mask and M_i^-1() denote the
   operation of removing the i-th mask, 1 <= i <= k.  Let K be a key.
   The masked key K_M is obtained by applying the masking operation k
   times:

      K_M = M_k (...(M_2(M_1(K)...).

   Unmasking is performed by applying the removal operation k times, but
   in reverse order:

      K = M_1^-1(...(M_(k-1)^-1(M_k^-1(K_M))...).

   The masked key is represented as the sequence

      I = K_M||M_1||M_2||...||M_k.

   Let the key K be n bits in length; then, the sequence I is
   represented in memory as a sequence of (k + 1)*n bits.  I is
   represented in little-endian format.  It is possible to use an
   unmasked private key (i.e., k = 0, K_M = K).  For GOST R 34.10-2012
   keys, the masking operation is the multiplication of the key by the
   inverse of the mask: INT(K_M) = INT(K) * INT(M)^-1 mod Q, where the Q
   value is taken from the key parameters.  The operation of removing
   the mask is the multiplication of the masked key by the mask: INT(K)
   = INT(K_M) * INT(M) mod Q.  The public key is specified by a pair of
   coordinates (x, y) as defined in GOST R 34.10-2012, presented in the
   following format:

   *  a public key corresponding to the GOST R 34.10-2012 algorithm with
      a key length of 256 bits has the GostR3410-2012-256-PublicKey
      representation.  It is specified by a 64-byte string, where the
      first 32 bytes contain the little-endian representation of the x
      coordinate and the last 32 bytes contain the little-endian
      representation of the y coordinate.

   *  a public key corresponding to the GOST R 34.10-2012 algorithm with
      a key length of 512 bits has the GostR3410-2012-512-PublicKey
      representation.  It is specified by a 128-byte string, where the
      first 64 bytes contain the little-endian representation of the x
      coordinate and the last 64 bytes contain the little-endian
      representation of the y coordinate.

   The public keys GostR3410-2012-256-PublicKey and
   GostR3410-2012-512-PublicKey MUST be DER encoded as an octet string
   in accordance with Section 4.3 of [RFC9215]:

      GostR3410-2012-256-PublicKey ::= OCTET STRING (64),
      GostR3410-2012-512-PublicKey ::= OCTET STRING (128).

5.2.  KeyBag Structure for GOST R 34.10-2012 Key

   In accordance with [RFC7292], a KeyBag is defined as information
   about a private key represented as the PrivateKeyInfo structure:

   KeyBag ::= PrivateKeyInfo

   In accordance with [RFC5958], information about a private key is
   presented in the following form:

   PrivateKeyInfo ::= OneAsymmetricKey

5.3.  OneAsymmetricKey Structure

   In accordance with [RFC5958], OneAsymmetricKey has the following
   structure:

   OneAsymmetricKey::= SEQUENCE
   {
       version                 Version,
       privateKeyAlgorithm     PrivateKeyAlgorithmIdentifier,
       privateKey              PrivateKey,
       attributes              [0] Attributes OPTIONAL,
       ...,
       [[2:publicKey           [1] PublicKey OPTIONAL]],
       ...
   }
   Version ::= INTEGER { v1(0), v2(1) } (v1, ..., v2)
   PrivateKeyAlgorithmIdentifier ::= AlgorithmIdentifier
   PrivateKey ::= OCTET STRING
   PublicKey ::= BIT STRING
   Attributes ::= SET OF Attribute

   The fields have the following meanings:

   *  version identifies the version of OneAsymmetricKey.  If publicKey
      is present, then version is set to 2; else, version is set to 1.

   *  privateKeyAlgorithm identifies the private key algorithm and
      optionally contains parameters associated with the asymmetric key
      pair.  For GOST R 34.10-2012 private keys, the identifiers of the
      corresponding public keys are used; they are defined in [RFC9215].
      The use of identifiers and public key parameters is defined in
      [RFC9215].

   *  privateKey is an OCTET STRING that contains the value of the
      masked private key I.

   *  attributes are optional.  They contain information corresponding
      to the public key (e.g., certificates).

   *  publicKey contains the value of the public key
      GostR3410-2012-256-PublicKey or GostR3410-2012-512-PublicKey
      encoded in a BIT STRING.  This field is optional.

5.4.  EncryptedPrivateKeyInfo Structure for GOST R 34.10-2012 Key

   In accordance with [RFC7292], the encrypted information regarding the
   private key is defined as the PKCS8ShroudedKeyBag structure:

   PKCS8ShroudedKeyBag::= EncryptedPrivateKeyInfo

   In accordance with [RFC5958], EncryptedPrivateKeyInfo has the
   following structure:

   EncryptedPrivateKeyInfo ::= SEQUENCE
   {
       encryptionAlgorithm EncryptionAlgorithmIdentifier,
       encryptedData       EncryptedData
   }
   EncryptionAlgorithmIdentifier ::= AlgorithmIdentifier
   EncryptedData ::= OCTET STRING

   The fields have the following meanings:

   *  encryptionAlgorithm identifies the algorithm under which the
      private key information is encrypted.  Encryption MUST use the
      PBES2 scheme.  The algorithm and parameters of this scheme are
      presented in [RFC9337].

   *  encryptedData is the DER-encoded PrivateKeyInfo structure.

6.  GOST R 34.10-2012 Certificate Representation

   In accordance with [RFC7292], a CertBag is defined as information
   about a certificate and has the following structure:

   CertBag ::= SEQUENCE
   {
       certId                  BAG-TYPE.&id ({CertTypes}),
       certValue [0] EXPLICIT  BAG-TYPE.&Type ({CertTypes}{@certId})
   }

   The fields have the following meanings:

   *  certId identifies the type of certificate.

   *  certValue contains the certificate.

7.  Security Mechanisms

   Let the sender and receiver have a previously agreed-upon password P.
   The sender generates a password key using the PBKDF2 algorithm in
   accordance with [RFC9337] and uses it to encrypt the transmitted
   private key.  The recipient independently generates a password key
   using the same PBKDF2 diversification algorithm in accordance with
   [RFC9337] and uses it to extract the private key from the PFX.

   The same password P is used to encrypt different sections of the PFX
   using a different random initializing value S with a length of 8 to
   32 bytes, where S and P are the input parameters of the PBKDF2
   function.  The password MUST be encoded as a Unicode UTF-8 string and
   fed into the PBKDF2 algorithm as a P parameter.

   The integrity of the PFX is ensured by using the
   HMAC_GOSTR3411_2012_512 algorithm in accordance with [RFC7836].  To
   check the integrity of the PFX with the HMAC_GOSTR3411_2012_512
   algorithm, the key for this algorithm is also generated by using the
   PBKDF2 algorithm in accordance with [RFC9337], with the same value
   for the P parameter and a different initializing value S with a
   length of 8 to 32 bytes.  The dkLen parameter for the PBKDF2
   algorithm is set to 96 bytes.  The key for the
   HMAC_GOSTR3411_2012_512 algorithm must be the last 32 bytes of the
   96-byte sequence generated by the PBKDF2 algorithm.  The PBKDF2
   algorithm parameters S and c are saved in the macData.Salt and
   macData.iterations fields, respectively.  The HMAC_GOSTR3411_2012_512
   function is calculated from the content field of the authSafe
   structure field.  The authSafe structure field is a PFX structure
   field.  The value of the calculated checksum is saved in the
   macData.mac.digest field.  The macData.mac.digestAlgorithm.algorithm
   field contains the following algorithm identifier:

   id-tc26-gost3411-12-512 :: =
   {
       iso(1) member-body(2) ru(643) rosstandart(7) tc26(1)
       algorithms(1) digest(2) gost3411-12-512(3)
   }

   The macData.mac.digestAlgorithm.parameters field isn't used and
   should be omitted.

8.  Security Considerations

   The masked keys SHOULD be used to ensure that private keys are
   protected from leaking through side channels when reading and
   performing operations with keys.  Applications MUST use unique values
   for ukm and S in the PBKDF2 algorithm.  It is RECOMMENDED that
   parameter S consist of at least 32 octets of pseudorandom data in
   order to reduce the probability of collisions of keys generated from
   the same password.  The password MUST be encoded as a Unicode UTF-8
   string and fed into the PBKDF2 algorithm as a P parameter.  For more
   information, see [RFC9337].  Encryption MUST use the PBES2 scheme to
   encrypt private keys.  Public keys MUST be DER encoded as an octet
   string in accordance with [RFC9215].  Passwords SHOULD be stored in a
   secure way.  For information on security considerations for
   generating PFX, see [RFC7292].

9.  IANA Considerations

   This document has no IANA actions.

10.  ASN.1 Modules

   PKCS-12RU
   {
       iso(1) member-body(2) ru(643) rosstandart(7)
       tc26(1) modules(0) pkcs-12ruSyntax(5)
   }
   DEFINITIONS EXPLICIT TAGS ::=
   BEGIN
   IMPORTS
       GostR3410-2012-PublicKey
   FROM GostR3410-2012-PKISyntax
   {
       iso(1) member-body(2) ru(643) rosstandart(7) tc26(1)
       modules(0) gostR3410-2012-PKISyntax(2)
   };
   END

11.  References

11.1.  Normative References

   [RFC2104]  Krawczyk, H., Bellare, M., and R. Canetti, "HMAC: Keyed-
              Hashing for Message Authentication", RFC 2104,
              DOI 10.17487/RFC2104, February 1997,
              <https://www.rfc-editor.org/info/rfc2104>.

   [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>.

   [RFC5652]  Housley, R., "Cryptographic Message Syntax (CMS)", STD 70,
              RFC 5652, DOI 10.17487/RFC5652, September 2009,
              <https://www.rfc-editor.org/info/rfc5652>.

   [RFC5958]  Turner, S., "Asymmetric Key Packages", RFC 5958,
              DOI 10.17487/RFC5958, August 2010,
              <https://www.rfc-editor.org/info/rfc5958>.

   [RFC6986]  Dolmatov, V., Ed. and A. Degtyarev, "GOST R 34.11-2012:
              Hash Function", RFC 6986, DOI 10.17487/RFC6986, August
              2013, <https://www.rfc-editor.org/info/rfc6986>.

   [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>.

   [RFC7836]  Smyshlyaev, S., Ed., Alekseev, E., Oshkin, I., Popov, V.,
              Leontiev, S., Podobaev, V., and D. Belyavsky, "Guidelines
              on the Cryptographic Algorithms to Accompany the Usage of
              Standards GOST R 34.10-2012 and GOST R 34.11-2012",
              RFC 7836, DOI 10.17487/RFC7836, March 2016,
              <https://www.rfc-editor.org/info/rfc7836>.

   [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>.

   [RFC9215]  Baryshkov, D., Ed., Nikolaev, V., and A. Chelpanov, "Using
              GOST R 34.10-2012 and GOST R 34.11-2012 Algorithms with
              the Internet X.509 Public Key Infrastructure", RFC 9215,
              DOI 10.17487/RFC9215, March 2022,
              <https://www.rfc-editor.org/info/rfc9215>.

   [RFC9337]  Karelina, E., Ed., "Generating Password-Based Keys Using
              the GOST Algorithms", RFC 9337, DOI 10.17487/RFC9337,
              December 2022, <https://www.rfc-editor.org/info/rfc9337>.

   [X.680]    ITU-T, "Information Technology - Abstract Syntax Notation
              One (ASN.1): Specification of basic notation", ITU-T
              Recommendation X.680, ISO/IEC 8824-1:2021, February 2021,
              <https://www.itu.int/rec/T-REC-X.680>.

   [X.690]    ITU-T, "Information technology - ASN.1 encoding rules:
              Specification of Basic Encoding Rules (BER), Canonical
              Encoding Rules (CER) and Distinguished Encoding Rules
              (DER)", ITU-T Recommendation X.690, ISO/IEC International
              Standard 8825-1:2021, February 2021,
              <https://www.itu.int/rec/T-REC-X.690>.

11.2.  Informative References

   [ISO14888-1]
              ISO/IEC, "Information technology - Security techniques -
              Digital signatures with appendix - Part 1: General", ISO/
              IEC 14888-1, April 2008,
              <https://www.iso.org/standard/44226.html>.

Appendix A.  Examples

   This section contains examples of using GOST cryptographic algorithms
   to create a PFX.

A.1.  Test Data

   In all examples, the following data is used.

A.1.1.  Test Certificate

   This section contains a test certificate in BASE64 format.

   MIICLjCCAdugAwIBAgIEAYy6hDAKBggqhQMHAQEDAjA4MQ0wCwYDVQQKEwRUSzI2
   MScwJQYDVQQDEx5DQSBUSzI2OiBHT1NUIDM0LjEwLTEyIDI1Ni1iaXQwHhcNMDEw
   MTAxMDAwMDAwWhcNNDkxMjMxMDAwMDAwWjA7MQ0wCwYDVQQKEwRUSzI2MSowKAYD
   VQQDEyFPUklHSU5BVE9SOiBHT1NUIDM0LjEwLTEyIDUxMi1iaXQwgaAwFwYIKoUD
   BwEBAQIwCwYJKoUDBwECAQIBA4GEAASBgLSLt1q8KQ4YZVxioU+1LV9QhE7MHR9g
   BEh7S1yVNGlqt7+rNG5VFqmrPM74rbUsOlhV8M+zZKprXdk35Oz8lSW/n2oIUHZx
   ikXIH/SSHj4rv3K/Puvz7hYTQSZl/xPdp78nUmjrEa6d5wfX8biEy2z0dgufFvAk
   Mw1Ua4gdXqDOo4GHMIGEMGMGA1UdIwRcMFqAFKxsDkxEZqJCluKfCTslZvPLpFMq
   oTykOjA4MQ0wCwYDVQQKEwRUSzI2MScwJQYDVQQDEx5DQSBUSzI2OiBHT1NUIDM0
   LjEwLTEyIDI1Ni1iaXSCBAGMuoEwHQYDVR0OBBYEFH4GVwmYDK1rCKhX7nkAWDrJ
   16CkMAoGCCqFAwcBAQMCA0EACl6p8dAbpi9Hk+3mgMyI0WIh17IrlrSp/mB0F7Zz
   Mt8XUD1Dwz3JrrnxeXnfMvOA5BdUJ9hCyDgMVAGs/IcEEA==

A.1.2.  Test Key

   This section contains test key bytes in hexadecimal.

   F95A5D44C5245F63F2E7DF8E782C1924EADCB8D06C52D91023179786154CBDB1
   561B4DF759D69F67EE1FBD5B68800E134BAA12818DA4F3AC75B0E5E6F9256911

A.2.  Example of a PFX with a Password-Protected Key and Unencrypted
      Certificate

   In this example, the PKCS8SHroudedKeybag structure is used to store
   the key, which is placed in the Data structure.  The certBag
   structure is used to store the certificate, which is placed in the
   Data structure.  The following password is used to encrypt the key
   and provide integrity control: "Пароль для PFX".  The password is in
   hexadecimal:

   D09FD0B0D180D0BED0BBD18C20D0B4D0BBD18F20504658

   The key encryption algorithm identifier:

   1.2.643.7.1.1.5.2.2

A.2.1.  PFX in BASE64 Format

   MIIFKwIBAzCCBMQGCSqGSIb3DQEHAaCCBLUEggSxMIIErTCCAswGCSqGSIb3DQEH
   AaCCAr0EggK5MIICtTCCArEGCyqGSIb3DQEMCgEDoIICSjCCAkYGCiqGSIb3DQEJ
   FgGgggI2BIICMjCCAi4wggHboAMCAQICBAGMuoQwCgYIKoUDBwEBAwIwODENMAsG
   A1UEChMEVEsyNjEnMCUGA1UEAxMeQ0EgVEsyNjogR09TVCAzNC4xMC0xMiAyNTYt
   Yml0MB4XDTAxMDEwMTAwMDAwMFoXDTQ5MTIzMTAwMDAwMFowOzENMAsGA1UEChME
   VEsyNjEqMCgGA1UEAxMhT1JJR0lOQVRPUjogR09TVCAzNC4xMC0xMiA1MTItYml0
   MIGgMBcGCCqFAwcBAQECMAsGCSqFAwcBAgECAQOBhAAEgYC0i7davCkOGGVcYqFP
   tS1fUIROzB0fYARIe0tclTRpare/qzRuVRapqzzO+K21LDpYVfDPs2Sqa13ZN+Ts
   /JUlv59qCFB2cYpFyB/0kh4+K79yvz7r8+4WE0EmZf8T3ae/J1Jo6xGunecH1/G4
   hMts9HYLnxbwJDMNVGuIHV6gzqOBhzCBhDBjBgNVHSMEXDBagBSsbA5MRGaiQpbi
   nwk7JWbzy6RTKqE8pDowODENMAsGA1UEChMEVEsyNjEnMCUGA1UEAxMeQ0EgVEsy
   NjogR09TVCAzNC4xMC0xMiAyNTYtYml0ggQBjLqBMB0GA1UdDgQWBBR+BlcJmAyt
   awioV+55AFg6ydegpDAKBggqhQMHAQEDAgNBAApeqfHQG6YvR5Pt5oDMiNFiIdey
   K5a0qf5gdBe2czLfF1A9Q8M9ya658Xl53zLzgOQXVCfYQsg4DFQBrPyHBBAxVDAj
   BgkqhkiG9w0BCRUxFgQUeVV0+dS25MICJChpmGc/8AoUwE0wLQYJKoZIhvcNAQkU
   MSAeHgBwADEAMgBGAHIAaQBlAG4AZABsAHkATgBhAG0AZTCCAdkGCSqGSIb3DQEH
   AaCCAcoEggHGMIIBwjCCAb4GCyqGSIb3DQEMCgECoIIBVzCCAVMwWQYJKoZIhvcN
   AQUNMEwwKQYJKoZIhvcNAQUMMBwECKf4N7NMwugqAgIIADAMBggqhQMHAQEEAgUA
   MB8GCSqFAwcBAQUCAjASBBAlmt2WDfaPJlsAs0mLKglzBIH1DMvEacbbWRNDVSnX
   JLWygYrKoipdOjDA/2HEnBZ34uFOLNheUqiKpCPoFpbR2GBiVYVTVK9ibiczgaca
   EQYzDXtcS0QCZOxpKWfteAlbdJLC/SqPurPYyKi0MVRUPROhbisFASDT38HDH1Dh
   0dL5f6ga4aPWLrWbbgWERFOoOPyh4DotlPF37AQOwiEjsbyyRHq3HgbWiaxQRuAh
   eqHOn4QVGY92/HFvJ7u3TcnQdLWhTe/lh1RHLNF3RnXtN9if9zC23laDZOiWZplU
   yLrUiTCbHrtn1RppPDmLFNMt9dJ7KKgCkOi7Zm5nhqPChbywX13wcfYxVDAjBgkq
   hkiG9w0BCRUxFgQUeVV0+dS25MICJChpmGc/8AoUwE0wLQYJKoZIhvcNAQkUMSAe
   HgBwADEAMgBGAHIAaQBlAG4AZABsAHkATgBhAG0AZTBeME4wCgYIKoUDBwEBAgME
   QAkBKw4ihn7pSIYTEhu0bcvTPZjI3WgVxCkUVlOsc80G69EKFEOTnObGJGSKJ51U
   KkOsXF0a7+VBZf3BcVVQh9UECIVEtO+VpuskAgIIAA==

A.2.2.  PFX in ASN.1 Format

      0 1323:SEQUENCE:
      4    1: INTEGER: 3
      7 1220: SEQUENCE:
     11    9:  OBJECT IDENTIFIER:data [1.2.840.113549.1.7.1]
     22 1205:  CONTEXT SPECIFIC (0):
     26 1201:    OCTET STRING:
     30 1197:     SEQUENCE:
     34  716:       SEQUENCE:
     38    9:        OBJECT IDENTIFIER:data [1.2.840.113549.1.7.1]
     49  701:        CONTEXT SPECIFIC (0):
     53  697:          OCTET STRING:
     57  693:           SEQUENCE:
     61  689:             SEQUENCE:
     65   11:              OBJECT IDENTIFIER:pkcs-12-certBag
            :                               [1.2.840.113549.1.12.10.1.3]
     78  586:              CONTEXT SPECIFIC (0):
     82  582:                SEQUENCE:
     86   10:                 OBJECT IDENTIFIER:x509Certificate
            :                               [1.2.840.113549.1.9.22.1]
     98  566:                 CONTEXT SPECIFIC (0):
    102  562:                   OCTET STRING:
    106  558:                    SEQUENCE:
    110  475:                      SEQUENCE:
    114    3:                       CONTEXT SPECIFIC (0):
    116    1:                         INTEGER:2
    119    4:                       INTEGER:26000004
    125   10:                       SEQUENCE:
    127    8:                         OBJECT IDENTIFIER:
            :                               [1.2.643.7.1.1.3.2]
    137   56:                       SEQUENCE:
    139   13:                         SET:
    141   11:                          SEQUENCE:
    143    3:                            OBJECT IDENTIFIER:
            :                               organizationName [2.5.4.10]
    148    4:                            PRINTABLE STRING:'TK26'
    154   39:                         SET:
    156   37:                          SEQUENCE:
    158    3:                            OBJECT IDENTIFIER:commonName
            :                               [2.5.4.3]
    163   30:                           PRINTABLE STRING:
            :                           'CA TK26: GOST 34.10-12 256-bit'
    195   30:                       SEQUENCE:
    197   13:                         UTC TIME:'010101000000Z'
    212   13:                         UTC TIME:'491231000000Z'
    227   59:                       SEQUENCE:
    229   13:                         SET:
    231   11:                          SEQUENCE:
    233    3:                            OBJECT IDENTIFIER:
            :                               organizationName [2.5.4.10]
    238    4:                            PRINTABLE STRING:'TK26'
    244   42:                         SET:
    246   40:                          SEQUENCE:
    248    3:                            OBJECT IDENTIFIER:commonName
            :                                              [2.5.4.3]
    253   33:                            PRINTABLE STRING:
            :                             'ORIGINATOR:
            :                               GOST 34.10-12 512-bit'
    288  160:                       SEQUENCE:
    291   23:                         SEQUENCE:
    293    8:                          OBJECT IDENTIFIER:
            :                               [1.2.643.7.1.1.1.2]
    303   11:                          SEQUENCE:
    305    9:                            OBJECT IDENTIFIER:
            :                               [1.2.643.7.1.2.1.2.1]
    316  132:                         BIT STRING UnusedBits:0:
    320  128:                          OCTET STRING:
            :                            B48BB75ABC290E18655C62A
            :                            14FB52D5F50844ECC1D1F60
            :                            04487B4B5C9534696AB7BFA
            :                            B346E5516A9AB3CCEF8ADB5
            :                            2C3A5855F0CFB364AA6B5DD
            :                            937E4ECFC9525BF9F6A0850
            :                            76718A45C81FF4921E3E2BB
            :                            F72BF3EEBF3EE1613412665
            :                            FF13DDA7BF275268EB11AE9
            :                            DE707D7F1B884CB6CF4760B
            :                            9F16F024330D546B881D5EA0CE
    451  135:                       CONTEXT SPECIFIC (3):
    454  132:                         SEQUENCE:
    457   99:                          SEQUENCE:
    459    3:                            OBJECT IDENTIFIER:
            :                               authorityKeyIdentifier
            :                               [2.5.29.35]
    464   92:                            OCTET STRING:
    466   90:                             SEQUENCE:
    468   20:                               CONTEXT SPECIFIC (0):
            :                                AC6C0E4C4466A24296E2
            :                                9F093B2566F3CBA4532A
    490   60:                               CONTEXT SPECIFIC (1):
    492   58:                                CONTEXT SPECIFIC (4):
    494   56:                                  SEQUENCE:
    496   13:                                   SET:
    498   11:                                     SEQUENCE:
    500    3:                                      OBJECT IDENTIFIER:
            :                                         organizationName
            :                                         [2.5.4.10]
    505    4:                                      PRINTABLE STRING:
            :                                       'TK26'
    511   39:                                   SET:
    513   37:                                     SEQUENCE:
    515    3:                                      OBJECT IDENTIFIER:
            :                                         commonName
            :                                         [2.5.4.3]
    520   30:                                      PRINTABLE STRING:
            :                                       'CA TK26: GOST '
            :                                       '34.10-12 256-bit'
    552    4:                               CONTEXT SPECIFIC (2):
            :                                018CBA81
    558   29:                          SEQUENCE:
    560    3:                            OBJECT IDENTIFIER:
            :                               subjectKeyIdentifier
            :                               [2.5.29.14]
    565   22:                            OCTET STRING:
    567   20:                             OCTET STRING:
            :                               7E065709980CAD6B08A8
            :                               57EE7900583AC9D7A0A4
    589   10:                      SEQUENCE:
    591    8:                       OBJECT IDENTIFIER:
            :                        [1.2.643.7.1.1.3.2]
    601   65:                      BIT STRING UnusedBits:0:
            :                       0A5EA9F1D01BA62F4793EDE680CC88D1
            :                       6221D7B22B96B4A9FE607417B67332DF
            :                       17503D43C33DC9AEB9F17979DF32F380
            :                       E4175427D842C8380C5401ACFC870410
    668   84:              SET:
    670   35:                SEQUENCE:
    672    9:                 OBJECT IDENTIFIER:localKeyID
            :                       [1.2.840.113549.1.9.21]
    683   22:                 SET:
    685   20:                   OCTET STRING:
            :                    795574F9D4B6E4C20224
            :                    286998673FF00A14C04D
    707   45:                SEQUENCE:
    709    9:                 OBJECT IDENTIFIER:friendlyName
            :                       [1.2.840.113549.1.9.20]
    720   32:                 SET:
    722   30:                   BMP STRING:'p12FriendlyName'
    754  473:       SEQUENCE:
    758    9:        OBJECT IDENTIFIER:data [1.2.840.113549.1.7.1]
    769  458:        CONTEXT SPECIFIC (0):
    773  454:          OCTET STRING:
    777  450:           SEQUENCE:
    781  446:             SEQUENCE:
    785   11:              OBJECT IDENTIFIER:
            :               pkcs-12-pkcs-8ShroudedKeyBag
            :               [1.2.840.113549.1.12.10.1.2]
    798  343:              CONTEXT SPECIFIC (0):
    802  339:                SEQUENCE:
    806   89:                 SEQUENCE:
    808    9:                   OBJECT IDENTIFIER:
            :                    [1.2.840.113549.1.5.13]
    819   76:                   SEQUENCE:
    821   41:                    SEQUENCE:
    823    9:                      OBJECT IDENTIFIER:
            :                       [1.2.840.113549.1.5.12]
    834   28:                      SEQUENCE:
    836    8:                       OCTET STRING:'A7F837B34CC2E82A'
    846    2:                       INTEGER:2048
    850   12:                       SEQUENCE:
    852    8:                         OBJECT IDENTIFIER:
            :                          [1.2.643.7.1.1.4.2]
    862    0:                         NULL:
    864   31:                    SEQUENCE:
    866    9:                      OBJECT IDENTIFIER:
            :                       [1.2.643.7.1.1.5.2.2]
    877   18:                      SEQUENCE:
    879   16:                       OCTET STRING:
            :                         259ADD960DF68F265B00B3498B2A0973
    897  245:                 OCTET STRING:
            :                   0CCBC469C6DB5913435529D724B5B281
            :                   8ACAA22A5D3A30C0FF61C49C1677E2E1
            :                   4E2CD85E52A88AA423E81696D1D86062
            :                   55855354AF626E273381A71A1106330D
            :                   7B5C4B440264EC692967ED78095B7492
            :                   C2FD2A8FBAB3D8C8A8B43154543D13A1
            :                   6E2B050120D3DFC1C31F50E1D1D2F97F
            :                   A81AE1A3D62EB59B6E05844453A838FC
            :                   A1E03A2D94F177EC040EC22123B1BCB2
            :                   447AB71E06D689AC5046E0217AA1CE9F
            :                   8415198F76FC716F27BBB74DC9D074B5
            :                   A14DEFE58754472CD1774675ED37D89F
            :                   F730B6DE568364E896669954C8BAD489
            :                   309B1EBB67D51A693C398B14D32DF5D2
            :                   7B28A80290E8BB666E6786A3C285BCB0
            :                   5F5DF071F6
   1145   84:              SET:
   1147   35:                SEQUENCE:
   1149    9:                 OBJECT IDENTIFIER:localKeyID
            :                   [1.2.840.113549.1.9.21]
   1160   22:                 SET:
   1162   20:                   OCTET STRING:
            :                    795574F9D4B6E4C20224
            :                    286998673FF00A14C04D
   1184   45:                SEQUENCE:
   1186    9:                 OBJECT IDENTIFIER:friendlyName
            :                   [1.2.840.113549.1.9.20]
   1197   32:                 SET:
   1199   30:                   BMP STRING:'p12FriendlyName'
   1231   94: SEQUENCE:
   1233   78:  SEQUENCE:
   1235   10:    SEQUENCE:
   1237    8:     OBJECT IDENTIFIER:[1.2.643.7.1.1.2.3]
   1247   64:    OCTET STRING:
            :     09012B0E22867EE9488613121BB46DCB
            :     D33D98C8DD6815C429145653AC73CD06
            :     EBD10A1443939CE6C624648A279D542A
            :     43AC5C5D1AEFE54165FDC171555087D5
   1313    8:  OCTET STRING:'8544B4EF95A6EB24'
   1323    2:  INTEGER:2048

A.2.3.  Decrypted Key Value in BASE64 Format

   MIHiAgEBMBcGCCqFAwcBAQECMAsGCSqFAwcBAgECAQRAEWkl+eblsHWs86SNgRKq
   SxMOgGhbvR/uZ5/WWfdNG1axvUwVhpcXIxDZUmzQuNzqJBkseI7f5/JjXyTFRF1a
   +YGBgQG0i7davCkOGGVcYqFPtS1fUIROzB0fYARIe0tclTRpare/qzRuVRapqzzO
   +K21LDpYVfDPs2Sqa13ZN+Ts/JUlv59qCFB2cYpFyB/0kh4+K79yvz7r8+4WE0Em
   Zf8T3ae/J1Jo6xGunecH1/G4hMts9HYLnxbwJDMNVGuIHV6gzg==

A.2.4.  Decrypted Key Value in ASN.1 Format

    0 226:SEQUENCE:
    3   1:   INTEGER: 1
    6  23:   SEQUENCE:
    8   8:      OBJECT IDENTIFIER:  [1.2.643.7.1.1.1.2]
   18  11:      SEQUENCE:
   20   9:         OBJECT IDENTIFIER:  [1.2.643.7.1.2.1.2.1]
   31  64:   OCTET STRING:
         :      116925F9E6E5B075ACF3A48D8112AA4B130E80685BBD1FEE679FD6
         :      59F74D1B56B1BD4C158697172310D9526CD0B8DCEA24192C788EDF
         :      E7F2635F24C5445D5AF9
   97 129:   CONTEXT SPECIFIC (1):
         :      01B48BB75ABC290E18655C62A14FB52D5F50844ECC1D1F6004487B
         :      4B5C9534696AB7BFAB346E5516A9AB3CCEF8ADB52C3A5855F0CFB3
         :      64AA6B5DD937E4ECFC9525BF9F6A085076718A45C81FF4921E3E2B
         :      BF72BF3EEBF3EE1613412665FF13DDA7BF275268EB11AE9DE707D7
         :      F1B884CB6CF4760B9F16F024330D546B881D5EA0CE

A.3.  Example of a PFX with a Password-Protected Key and a Password-
      Protected Certificate

   In this example, the PKCS8SHroudedKeybag structure is used to store
   the key, which is placed in the Data structure (see [RFC5652]).  The
   certBag structure is used to store the certificate, which is placed
   in the EncryptedData structure (see [RFC5652]).  The following
   password is used to encrypt the key and provide integrity control.
   The password is in hexadecimal.

   D09FD0B0D180D0BED0BBD18C20D0B4D0BBD18F20504658

   The key encryption algorithm identifier:

   1.2.643.7.1.1.5.1.1

   The certificate encryption algorithm identifier:

   1.2.643.7.1.1.5.1.2

A.3.1.  PFX in BASE64 Format

   MIIFjAIBAzCCBSUGCSqGSIb3DQEHAaCCBRYEggUSMIIFDjCCA0EGCSqGSIb3DQEH
   BqCCAzIwggMuAgEAMIIDJwYJKoZIhvcNAQcBMFUGCSqGSIb3DQEFDTBIMCkGCSqG
   SIb3DQEFDDAcBAgUuSVGsSwGjQICCAAwDAYIKoUDBwEBBAIFADAbBgkqhQMHAQEF
   AQIwDgQM9Hk3dagtS48+G/x+gIICwWGPqxxN+sTrKbruRf9R5Ya9cf5AtO1frqMn
   f1eULfmZmTg/BdE51QQ+Vbnh3v1kmspr6h2+e4Wli+ndEeCWG6A6X/G22h/RAHW2
   YrVmf6cCWxW+YrqzT4h/8RQL/9haunD5LmHPLVsYrEai0OwbgXayDSwARVJQLQYq
   sLNmZK5ViN+fRiS5wszVJ3AtVq8EuPt41aQEKwPy2gmH4S6WmnQRC6W7aoqmIifF
   PJENJNn5K2M1J6zNESs6bFtYNKMArNqtvv3rioY6eAaaLy6AV6ljsekmqodHmQjv
   Y4eEioJs0xhpXhZY69PXT+ZBeHv6MSheBhwXqxAd1DqtPTafMjNK8rqKCap9TtPG
   vONvo5W9dgwegxRRQzlum8dzV4m1W9Aq4W7t8/UcxDWRz3k6ijFPlGaA9+8ZMTEO
   RHhBRvM6OY2/VNNxbgxWfGYuPxpSi3YnCZIPmBEe5lU/Xv7KjzFusGM38F8YR61k
   4/QNpKI1QUv714YKfaUQznshGGzILv1NGID62pl1+JI3vuawi2mDMrmkuM9QFU9v
   /kRP+c2uBHDuOGEUUSNhF08p7+w3vxplatGWXH9fmIsPBdk2f3wkn+rwoqrEuijM
   I/bCAylU/M0DMKhAo9j31UYSZdi4fsfRWYDJMq/8FPn96tuo+oCpbqv3NUwpZM/8
   Li4xqgTHtYw/+fRG0/P6XadNEiII/TYjenLfVHXjAHOVJsVeCu/t3EsMYHQddNCh
   rFk/Ic2PdIQOyB4/enpW0qrKegSbyZNuF1WI4zl4mI89L8dTQBUkhy45yQXZlDD8
   k1ErYdtdEsPtz/4zuSpbnmwCEIRoOuSXtGuJP+tbcWEXRKM2UBgi3qBjpn7DU18M
   tsrRM9pDdadl8mT/Vfh9+B8dZBZVxgQu70lMPEGexbUkYHuFCCnyi9J0V92StbIz
   Elxla1VebjCCAcUGCSqGSIb3DQEHAaCCAbYEggGyMIIBrjCCAaoGCyqGSIb3DQEM
   CgECoIIBQzCCAT8wVQYJKoZIhvcNAQUNMEgwKQYJKoZIhvcNAQUMMBwECP0EQk0O
   1twvAgIIADAMBggqhQMHAQEEAgUAMBsGCSqFAwcBAQUBATAOBAzwxSqgAAAAAAAA
   AAAEgeUqj9mI3RDfK5hMd0EeYws7foZK/5ANr2wUhP5qnDjAZgn76lExJ+wuvlnS
   9PChfWVugvdl/9XJgQvvr9Cu4pOh4ICXplchcy0dGk/MzItHRVC5wK2nTxwQ4kKT
   kG9xhLFzoD16dhtqX0+/dQg9G8pE5EzCBIYRXLm1Arcz9k7KVsTJuNMjFrr7EQuu
   Tr80ATSQOtsq50zpFyrpznVPGCrOdIjpymZxNdvw48bZxqTtRVDxCYATOGqz0pwH
   ClWULHD9LIajLMB2GhBKyQw6ujIlltJs0T+WNdX/AT2FLi1LFSS3+Cj9MVQwIwYJ
   KoZIhvcNAQkVMRYEFHlVdPnUtuTCAiQoaZhnP/AKFMBNMC0GCSqGSIb3DQEJFDEg
   Hh4AcAAxADIARgByAGkAZQBuAGQAbAB5AE4AYQBtAGUwXjBOMAoGCCqFAwcBAQID
   BEDp4e22JmXdnvR0xA99yQuzQuJ8pxBeOpsLm2dZQqt3Fje5zqW1uk/7VOcfV5r2
   bKm8nsLOs2rPT8hBOoeAZvOIBAjGIUHw6IjG2QICCAA=

A.3.2.  PFX in ASN.1 Format

   0 1420:SEQUENCE:
     4    1:  INTEGER:3
     7 1317:  SEQUENCE:
    11    9:   OBJECT IDENTIFIER:data [1.2.840.113549.1.7.1]
    22 1302:   CONTEXT SPECIFIC (0):
    26 1298:     OCTET STRING:
    30 1294:      SEQUENCE:
    34  833:        SEQUENCE:
    38    9:         OBJECT IDENTIFIER:
           :          encryptedData [1.2.840.113549.1.7.6]
    49  818:         CONTEXT SPECIFIC (0):
    53  814:           SEQUENCE:
    57    1:            INTEGER:0
    60  807:            SEQUENCE:
    64    9:              OBJECT IDENTIFIER:data [1.2.840.113549.1.7.1]
    75   85:              SEQUENCE:
    77    9:               OBJECT IDENTIFIER:[1.2.840.113549.1.5.13]
    88   72:               SEQUENCE:
    90   41:                 SEQUENCE:
    92    9:                  OBJECT IDENTIFIER:[1.2.840.113549.1.5.12]
   103   28:                  SEQUENCE:
   105    8:                    OCTET STRING:'14B92546B12C068D'
   115    2:                    INTEGER:2048
   119   12:                    SEQUENCE:
   121    8:                     OBJECT IDENTIFIER:[1.2.643.7.1.1.4.2]
   131    0:                     NULL:
   133   27:                 SEQUENCE:
   135    9:                  OBJECT IDENTIFIER:[1.2.643.7.1.1.5.1.2]
   146   14:                  SEQUENCE:
   148   12:                    OCTET STRING:
           :                     F4793775A82D4B8F3E1BFC7E
   162  705:              CONTEXT SPECIFIC (0):
           :               618FAB1C4DFAC4EB29BAEE45FF51E586BD7
           :               1FE40B4ED5FAEA3277F57942DF99999383F
           :               05D139D5043E55B9E1DEFD649ACA6BEA1DB
           :               E7B85A58BE9DD11E0961BA03A5FF1B6DA1F
           :               D10075B662B5667FA7025B15BE62BAB34F8
           :               87FF1140BFFD85ABA70F92E61CF2D5B18AC
           :               46A2D0EC1B8176B20D2C004552502D062AB
           :               0B36664AE5588DF9F4624B9C2CCD527702D
           :               56AF04B8FB78D5A4042B03F2DA0987E12E9
           :               69A74110BA5BB6A8AA62227C53C910D24D9
           :               F92B633527ACCD112B3A6C5B5834A300ACD
           :               AADBEFDEB8A863A78069A2F2E8057A963B1
           :               E926AA87479908EF6387848A826CD318695
           :               E1658EBD3D74FE641787BFA31285E061C17
           :               AB101DD43AAD3D369F32334AF2BA8A09AA7
           :               D4ED3C6BCE36FA395BD760C1E8314514339
           :               6E9BC7735789B55BD02AE16EEDF3F51CC43
           :               591CF793A8A314F946680F7EF1931310E44
           :               784146F33A398DBF54D3716E0C567C662E3
           :               F1A528B762709920F98111EE6553F5EFECA
           :               8F316EB06337F05F1847AD64E3F40DA4A23
           :               5414BFBD7860A7DA510CE7B21186CC82EFD
           :               4D1880FADA9975F89237BEE6B08B698332B
           :               9A4B8CF50154F6FFE444FF9CDAE0470EE38
           :               6114512361174F29EFEC37BF1A656AD1965
           :               C7F5F988B0F05D9367F7C249FEAF0A2AAC4
           :               BA28CC23F6C2032954FCCD0330A840A3D8F
           :               7D5461265D8B87EC7D15980C932AFFC14F9
           :               FDEADBA8FA80A96EABF7354C2964CFFC2E2
           :               E31AA04C7B58C3FF9F446D3F3FA5DA74D12
           :               2208FD36237A72DF5475E300739526C55E0
           :               AEFEDDC4B0C60741D74D0A1AC593F21CD8F
           :               74840EC81E3F7A7A56D2AACA7A049BC9936
           :               E175588E33978988F3D2FC753401524872E
           :               39C905D99430FC93512B61DB5D12C3EDCFF
           :               E33B92A5B9E6C021084683AE497B46B893F
           :               EB5B71611744A336501822DEA063A67EC35
           :               35F0CB6CAD133DA4375A765F264FF55F87D
           :               F81F1D641655C6042EEF494C3C419EC5B52
           :               4607B850829F28BD27457DD92B5B233125C
           :               656B555E6E
   871  453:        SEQUENCE:
   875    9:         OBJECT IDENTIFIER:data [1.2.840.113549.1.7.1]
   886  438:         CONTEXT SPECIFIC (0):
   890  434:           OCTET STRING:
   894  430:            SEQUENCE:
   898  426:              SEQUENCE:
   902   11:               OBJECT IDENTIFIER:
           :                pkcs-12-pkcs-8ShroudedKeyBag
           :                [1.2.840.113549.1.12.10.1.2]
   915  323:               CONTEXT SPECIFIC (0):
   919  319:                 SEQUENCE:
   923   85:                  SEQUENCE:
   925    9:                    OBJECT IDENTIFIER:
           :                     [1.2.840.113549.1.5.13]
   936   72:                    SEQUENCE:
   938   41:                     SEQUENCE:
   940    9:                       OBJECT IDENTIFIER:
           :                        [1.2.840.113549.1.5.12]
   951   28:                       SEQUENCE:
   953    8:                        OCTET STRING:
           :                          FD04424D0ED6DC2F
   963    2:                        INTEGER:2048
   967   12:                        SEQUENCE:
   969    8:                          OBJECT IDENTIFIER:
           :                           [1.2.643.7.1.1.4.2]
   979    0:                          NULL:
   981   27:                     SEQUENCE:
   983    9:                       OBJECT IDENTIFIER:
           :                        [1.2.643.7.1.1.5.1.1]
   994   14:                       SEQUENCE:
   996   12:                        OCTET STRING:
           :                          F0C52AA00000000000000000
   1010  229:                  OCTET STRING:
           :                    2A8FD988DD10DF2B984C77411E630B3B
           :                    7E864AFF900DAF6C1484FE6A9C38C066
           :                    09FBEA513127EC2EBE59D2F4F0A17D65
           :                    6E82F765FFD5C9810BEFAFD0AEE293A1
           :                    E08097A65721732D1D1A4FCCCC8B4745
           :                    50B9C0ADA74F1C10E24293906F7184B1
           :                    73A03D7A761B6A5F4FBF75083D1BCA44
           :                    E44CC20486115CB9B502B733F64ECA56
           :                    C4C9B8D32316BAFB110BAE4EBF340134
           :                    903ADB2AE74CE9172AE9CE754F182ACE
           :                    7488E9CA667135DBF0E3C6D9C6A4ED45
           :                    50F1098013386AB3D29C070A55942C70
           :                    FD2C86A32CC0761A104AC90C3ABA3225
           :                    96D26CD13F9635D5FF013D852E2D4B15
           :                    24B7F828FD
   1242   84:               SET:
   1244   35:                 SEQUENCE:
   1246    9:                  OBJECT IDENTIFIER:localKeyID
           :                   [1.2.840.113549.1.9.21]
   1257   22:                  SET:
   1259   20:                    OCTET STRING:
           :                      795574F9D4B6E4C20224
           :                      286998673FF00A14C04D
   1281   45:                 SEQUENCE:
   1283    9:                  OBJECT IDENTIFIER:
           :                   friendlyName [1.2.840.113549.1.9.20]
   1294   32:                  SET:
   1296   30:                    BMP STRING:'p12FriendlyName'
   1328   94:  SEQUENCE:
   1330   78:   SEQUENCE:
   1332   10:     SEQUENCE:
   1334    8:      OBJECT IDENTIFIER:[1.2.643.7.1.1.2.3]
   1344   64:     OCTET STRING:
           :      E9E1EDB62665DD9EF474C40F7DC90BB3
           :      42E27CA7105E3A9B0B9B675942AB7716
           :      37B9CEA5B5BA4FFB54E71F579AF66CA9
           :      BC9EC2CEB36ACF4FC8413A878066F388
   1410    8:   OCTET STRING:'C62141F0E888C6D9'
   1420    2:   INTEGER:2048

A.3.3.  Decrypted Key Value in BASE64 Format

   MIHiAgEBMBcGCCqFAwcBAQECMAsGCSqFAwcBAgECAQRAEWkl+eblsHWs86SNgRKq
   SxMOgGhbvR/uZ5/WWfdNG1axvUwVhpcXIxDZUmzQuNzqJBkseI7f5/JjXyTFRF1a
   +YGBgQG0i7davCkOGGVcYqFPtS1fUIROzB0fYARIe0tclTRpare/qzRuVRapqzzO
   +K21LDpYVfDPs2Sqa13ZN+Ts/JUlv59qCFB2cYpFyB/0kh4+K79yvz7r8+4WE0Em
   Zf8T3ae/J1Jo6xGunecH1/G4hMts9HYLnxbwJDMNVGuIHV6gzg==

A.3.4.  Decrypted Key Value in ASN.1 Format

    0 226:SEQUENCE:
    3   1:   INTEGER: 1
    6  23:   SEQUENCE:
    8   8:      OBJECT IDENTIFIER:  [1.2.643.7.1.1.1.2]
   18  11:      SEQUENCE:
   20   9:         OBJECT IDENTIFIER:  [1.2.643.7.1.2.1.2.1]
   31  64:   OCTET STRING:
         :      116925F9E6E5B075ACF3A48D8112AA4B130E80685BBD1FEE679FD6
         :      59F74D1B56B1BD4C158697172310D9526CD0B8DCEA24192C788EDF
         :      E7F2635F24C5445D5AF9
   97 129:   CONTEXT SPECIFIC (1):
         :      01B48BB75ABC290E18655C62A14FB52D5F50844ECC1D1F6004487B
         :      4B5C9534696AB7BFAB346E5516A9AB3CCEF8ADB52C3A5855F0CFB3
         :      64AA6B5DD937E4ECFC9525BF9F6A085076718A45C81FF4921E3E2B
         :      BF72BF3EEBF3EE1613412665FF13DDA7BF275268EB11AE9DE707D7
         :      F1B884CB6CF4760B9F16F024330D546B881D5EA0CE

Acknowledgments

   The author thanks Potashnikov Alexander, Pianov Semen, and Smyslov
   Valery for their careful readings and useful comments, and Chelpanov
   Alexander for his help with the registration of identifiers.

Author's Address

   Ekaterina Karelina (editor)
   InfoTeCS
   2B stroenie 1, ul. Otradnaya
   Moscow
   127273
   Russian Federation
   Email: Ekaterina.Karelina@infotecs.ru