text: /*
   * Copyright 2007-2019 The OpenSSL Project Authors. All Rights Reserved.
   * Copyright Nokia 2007-2019
   * Copyright Siemens AG 2015-2019
   *
   * Licensed under the Apache License 2.0 (the "License").  You may not use
   * this file except in compliance with the License.  You can obtain a copy
   * in the file LICENSE in the source distribution or at
   * https://www.openssl.org/source/license.html
   */
  
  #ifndef OSSL_CRYPTO_CMP_LOCAL_H
  # define OSSL_CRYPTO_CMP_LOCAL_H
  
  # include "internal/cryptlib.h"
  
  # include <openssl/cmp.h>
  # include <openssl/err.h>
  
  /* explicit #includes not strictly needed since implied by the above: */
  # include <openssl/crmf.h>
  # include <openssl/types.h>
  # include <openssl/safestack.h>
  # include <openssl/x509.h>
  # include <openssl/x509v3.h>
  
  /*
   * this structure is used to store the context for CMP sessions
   */
  struct ossl_cmp_ctx_st {
      OSSL_cmp_log_cb_t log_cb; /* log callback for error/debug/etc. output */
      OSSL_CMP_severity log_verbosity; /* level of verbosity of log output */
  
      /* message transfer */
      OSSL_cmp_transfer_cb_t transfer_cb; /* default: OSSL_CMP_MSG_http_perform */
      void *transfer_cb_arg; /* allows to store optional argument to cb */
      /* HTTP-based transfer */
      char *serverPath;
      char *serverName;
      int serverPort;
      char *proxyName;
      int proxyPort;
      int msgtimeout; /* max seconds to wait for each CMP message round trip */
      int totaltimeout; /* maximum number seconds an enrollment may take, incl. */
      /* attempts polling for a response if a 'waiting' PKIStatus is received */
      time_t end_time; /* session start time + totaltimeout */
      OSSL_HTTP_bio_cb_t http_cb;
      void *http_cb_arg; /* allows to store optional argument to cb */
  
      /* server authentication */
      /*
       * unprotectedErrors may be set as workaround for broken server responses:
       * accept missing or invalid protection of regular error messages, negative
       * certificate responses (ip/cp/kup), revocation responses (rp), and PKIConf
       */
      int unprotectedErrors;
      X509 *srvCert; /* certificate used to identify the server */
      X509 *validatedSrvCert; /* caches any already validated server cert */
      X509_NAME *expected_sender; /* expected sender in pkiheader of response */
      X509_STORE *trusted; /* trust store maybe w CRLs and cert verify callback */
      STACK_OF(X509) *untrusted_certs; /* untrusted (intermediate) certs */
      int ignore_keyusage; /* ignore key usage entry when validating certs */
      /*
       * permitTAInExtraCertsForIR allows use of root certs in extracerts
       * when validating message protection; this is used for 3GPP-style E.7
       */
      int permitTAInExtraCertsForIR;
  
      /* client authentication */
      int unprotectedSend; /* send unprotected PKI messages */
      X509 *clCert; /* client cert used to identify and sign for MSG_SIG_ALG */
      EVP_PKEY *pkey; /* the key pair corresponding to clCert */
      ASN1_OCTET_STRING *referenceValue; /* optional user name for MSG_MAC_ALG */
      ASN1_OCTET_STRING *secretValue; /* password/shared secret for MSG_MAC_ALG */
      /* PBMParameters for MSG_MAC_ALG */
      size_t pbm_slen; /* currently fixed to 16 */
      int pbm_owf; /* NID of one-way function (OWF), default: SHA256 */
      int pbm_itercnt; /* currently fixed to 500 */
      int pbm_mac; /* NID of MAC algorithm, default: HMAC-SHA1 as per RFC 4210 */
  
      /* CMP message header and extra certificates */
      X509_NAME *recipient; /* to set in recipient in pkiheader */
      int digest; /* NID of digest used in MSG_SIG_ALG and POPO, default SHA256 */
      ASN1_OCTET_STRING *transactionID; /* the current transaction ID */
      ASN1_OCTET_STRING *senderNonce; /* last nonce sent */
      ASN1_OCTET_STRING *recipNonce; /* last nonce received */
      ASN1_UTF8STRING *freeText; /* optional string to include each msg */
      STACK_OF(OSSL_CMP_ITAV) *geninfo_ITAVs;
      int implicitConfirm; /* set implicitConfirm in IR/KUR/CR messages */
      int disableConfirm; /* disable certConf in IR/KUR/CR for broken servers */
      STACK_OF(X509) *extraCertsOut; /* to be included in request messages */
  
      /* certificate template */
      EVP_PKEY *newPkey; /* explicit new private/public key for cert enrollment */
      int newPkey_priv; /* flag indicating if newPkey contains private key */
      X509_NAME *issuer; /* issuer name to used in cert template */
      int days; /* Number of days new certificates are asked to be valid for */
      X509_NAME *subjectName; /* subject name to be used in the cert template */
      STACK_OF(GENERAL_NAME) *subjectAltNames; /* to add to the cert template */
      int SubjectAltName_nodefault;
      int setSubjectAltNameCritical;
      X509_EXTENSIONS *reqExtensions; /* exts to be added to cert template */
      CERTIFICATEPOLICIES *policies; /* policies to be included in extensions */
      int setPoliciesCritical;
      int popoMethod; /* Proof-of-possession mechanism; default: signature */
      X509 *oldCert; /* cert to be updated (via KUR) or to be revoked (via RR) */
      X509_REQ *p10CSR; /* for P10CR: PKCS#10 CSR to be sent */
  
      /* misc body contents */
      int revocationReason; /* revocation reason code to be included in RR */
      STACK_OF(OSSL_CMP_ITAV) *genm_ITAVs; /* content of general message */
  
      /* result returned in responses */
      int status; /* PKIStatus of last received IP/CP/KUP/RP/error or -1 */
      /* TODO: this should be a stack since there could be more than one */
      OSSL_CMP_PKIFREETEXT *statusString; /* of last IP/CP/KUP/RP/error */
      int failInfoCode; /* failInfoCode of last received IP/CP/KUP/error, or -1 */
      /* TODO: this should be a stack since there could be more than one */
      X509 *newCert; /* newly enrolled cert received from the CA */
      /* TODO: this should be a stack since there could be more than one */
      STACK_OF(X509) *caPubs; /* CA certs received from server (in IP message) */
      STACK_OF(X509) *extraCertsIn; /* extraCerts received from server */
  
      /* certificate confirmation */
      OSSL_cmp_certConf_cb_t certConf_cb; /* callback for app checking new cert */
      void *certConf_cb_arg; /* allows to store an argument individual to cb */
  } /* OSSL_CMP_CTX */;
  
  /*
   * ##########################################################################
   * ASN.1 DECLARATIONS
   * ##########################################################################
   */
  
  /*-
   *   RevAnnContent ::= SEQUENCE {
   *       status              PKIStatus,
   *       certId              CertId,
   *       willBeRevokedAt     GeneralizedTime,
   *       badSinceDate        GeneralizedTime,
   *       crlDetails          Extensions  OPTIONAL
   *       -- extra CRL details (e.g., crl number, reason, location, etc.)
   *   }
   */
  typedef struct ossl_cmp_revanncontent_st {
      ASN1_INTEGER *status;
      OSSL_CRMF_CERTID *certId;
      ASN1_GENERALIZEDTIME *willBeRevokedAt;
      ASN1_GENERALIZEDTIME *badSinceDate;
      X509_EXTENSIONS *crlDetails;
  } OSSL_CMP_REVANNCONTENT;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_REVANNCONTENT)
  
  /*-
   *   Challenge ::= SEQUENCE {
   *       owf                 AlgorithmIdentifier  OPTIONAL,
   *
   *       -- MUST be present in the first Challenge; MAY be omitted in
   *       -- any subsequent Challenge in POPODecKeyChallContent (if
   *       -- omitted, then the owf used in the immediately preceding
   *       -- Challenge is to be used).
   *
   *       witness             OCTET STRING,
   *       -- the result of applying the one-way function (owf) to a
   *       -- randomly-generated INTEGER, A.  [Note that a different
   *       -- INTEGER MUST be used for each Challenge.]
   *       challenge           OCTET STRING
   *       -- the encryption (under the public key for which the cert.
   *       -- request is being made) of Rand, where Rand is specified as
   *       --   Rand ::= SEQUENCE {
   *       --      int      INTEGER,
   *       --       - the randomly-generated INTEGER A (above)
   *       --      sender   GeneralName
   *       --       - the sender's name (as included in PKIHeader)
   *       --   }
   *   }
   */
  typedef struct ossl_cmp_challenge_st {
      X509_ALGOR *owf;
      ASN1_OCTET_STRING *witness;
      ASN1_OCTET_STRING *challenge;
  } OSSL_CMP_CHALLENGE;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_CHALLENGE)
  
  /*-
   *  CAKeyUpdAnnContent ::= SEQUENCE {
   *     oldWithNew         Certificate,
   *     newWithOld         Certificate,
   *     newWithNew         Certificate
   *  }
   */
  typedef struct ossl_cmp_cakeyupdanncontent_st {
      X509 *oldWithNew;
      X509 *newWithOld;
      X509 *newWithNew;
  } OSSL_CMP_CAKEYUPDANNCONTENT;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_CAKEYUPDANNCONTENT)
  
  /*-
   * declared already here as it will be used in OSSL_CMP_MSG (nested) and
   * infoType and infoValue
   */
  typedef STACK_OF(OSSL_CMP_MSG) OSSL_CMP_MSGS;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_MSGS)
  
  /*-
   *   InfoTypeAndValue ::= SEQUENCE {
   *       infoType               OBJECT IDENTIFIER,
   *       infoValue              ANY DEFINED BY infoType  OPTIONAL
   *   }
   */
  struct ossl_cmp_itav_st {
      ASN1_OBJECT *infoType;
      union {
          char *ptr;
          /* NID_id_it_caProtEncCert - CA Protocol Encryption Certificate */
          X509 *caProtEncCert;
          /* NID_id_it_signKeyPairTypes - Signing Key Pair Types */
          STACK_OF(X509_ALGOR) *signKeyPairTypes;
          /* NID_id_it_encKeyPairTypes - Encryption/Key Agreement Key Pair Types */
          STACK_OF(X509_ALGOR) *encKeyPairTypes;
          /* NID_id_it_preferredSymmAlg - Preferred Symmetric Algorithm */
          X509_ALGOR *preferredSymmAlg;
          /* NID_id_it_caKeyUpdateInfo - Updated CA Key Pair */
          OSSL_CMP_CAKEYUPDANNCONTENT *caKeyUpdateInfo;
          /* NID_id_it_currentCRL - CRL */
          X509_CRL *currentCRL;
          /* NID_id_it_unsupportedOIDs - Unsupported Object Identifiers */
          STACK_OF(ASN1_OBJECT) *unsupportedOIDs;
          /* NID_id_it_keyPairParamReq - Key Pair Parameters Request */
          ASN1_OBJECT *keyPairParamReq;
          /* NID_id_it_keyPairParamRep - Key Pair Parameters Response */
          X509_ALGOR *keyPairParamRep;
          /* NID_id_it_revPassphrase - Revocation Passphrase */
          OSSL_CRMF_ENCRYPTEDVALUE *revPassphrase;
          /* NID_id_it_implicitConfirm - ImplicitConfirm */
          ASN1_NULL *implicitConfirm;
          /* NID_id_it_confirmWaitTime - ConfirmWaitTime */
          ASN1_GENERALIZEDTIME *confirmWaitTime;
          /* NID_id_it_origPKIMessage - origPKIMessage */
          OSSL_CMP_MSGS *origPKIMessage;
          /* NID_id_it_suppLangTags - Supported Language Tags */
          STACK_OF(ASN1_UTF8STRING) *suppLangTagsValue;
          /* this is to be used for so far undeclared objects */
          ASN1_TYPE *other;
      } infoValue;
  } /* OSSL_CMP_ITAV */;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_ITAV)
  
  typedef struct ossl_cmp_certorenccert_st {
      int type;
      union {
          X509 *certificate;
          OSSL_CRMF_ENCRYPTEDVALUE *encryptedCert;
      } value;
  } OSSL_CMP_CERTORENCCERT;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_CERTORENCCERT)
  
  /*-
   *   CertifiedKeyPair ::= SEQUENCE {
   *       certOrEncCert       CertOrEncCert,
   *       privateKey      [0] EncryptedValue      OPTIONAL,
   *       -- see [CRMF] for comment on encoding
   *       publicationInfo [1] PKIPublicationInfo  OPTIONAL
   *   }
   */
  typedef struct ossl_cmp_certifiedkeypair_st {
      OSSL_CMP_CERTORENCCERT *certOrEncCert;
      OSSL_CRMF_ENCRYPTEDVALUE *privateKey;
      OSSL_CRMF_PKIPUBLICATIONINFO *publicationInfo;
  } OSSL_CMP_CERTIFIEDKEYPAIR;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_CERTIFIEDKEYPAIR)
  
  /*-
   *   PKIStatusInfo ::= SEQUENCE {
   *       status        PKIStatus,
   *       statusString  PKIFreeText     OPTIONAL,
   *       failInfo      PKIFailureInfo  OPTIONAL
   *   }
   */
  struct ossl_cmp_pkisi_st {
      OSSL_CMP_PKISTATUS *status;
      OSSL_CMP_PKIFREETEXT *statusString;
      OSSL_CMP_PKIFAILUREINFO *failInfo;
  } /* OSSL_CMP_PKISI */;
  DECLARE_ASN1_DUP_FUNCTION(OSSL_CRMF_CERTID)
  
  /*-
   *  RevReqContent ::= SEQUENCE OF RevDetails
   *
   *  RevDetails ::= SEQUENCE {
   *      certDetails         CertTemplate,
   *      crlEntryDetails     Extensions       OPTIONAL
   *  }
   */
  struct ossl_cmp_revdetails_st {
      OSSL_CRMF_CERTTEMPLATE *certDetails;
      X509_EXTENSIONS *crlEntryDetails;
  } /* OSSL_CMP_REVDETAILS */;
  typedef struct ossl_cmp_revdetails_st OSSL_CMP_REVDETAILS;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_REVDETAILS)
  DEFINE_STACK_OF(OSSL_CMP_REVDETAILS)
  
  /*-
   *   RevRepContent ::= SEQUENCE {
   *       status       SEQUENCE SIZE (1..MAX) OF PKIStatusInfo,
   *       -- in same order as was sent in RevReqContent
   *       revCerts [0] SEQUENCE SIZE (1..MAX) OF CertId
   *                                           OPTIONAL,
   *       -- IDs for which revocation was requested
   *       -- (same order as status)
   *       crls     [1] SEQUENCE SIZE (1..MAX) OF CertificateList
   *                                           OPTIONAL
   *       -- the resulting CRLs (there may be more than one)
   *   }
   */
  struct ossl_cmp_revrepcontent_st {
      STACK_OF(OSSL_CMP_PKISI) *status;
      STACK_OF(OSSL_CRMF_CERTID) *revCerts;
      STACK_OF(X509_CRL) *crls;
  } /* OSSL_CMP_REVREPCONTENT */;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_REVREPCONTENT)
  
  /*-
   *  KeyRecRepContent ::= SEQUENCE {
   *      status          PKIStatusInfo,
   *      newSigCert  [0] Certificate                   OPTIONAL,
   *      caCerts     [1] SEQUENCE SIZE (1..MAX) OF
   *                                   Certificate      OPTIONAL,
   *      keyPairHist [2] SEQUENCE SIZE (1..MAX) OF
   *                                   CertifiedKeyPair OPTIONAL
   *   }
   */
  typedef struct ossl_cmp_keyrecrepcontent_st {
      OSSL_CMP_PKISI *status;
      X509 *newSigCert;
      STACK_OF(X509) *caCerts;
      STACK_OF(OSSL_CMP_CERTIFIEDKEYPAIR) *keyPairHist;
  } OSSL_CMP_KEYRECREPCONTENT;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_KEYRECREPCONTENT)
  
  /*-
   *   ErrorMsgContent ::= SEQUENCE {
   *       pKIStatusInfo          PKIStatusInfo,
   *       errorCode              INTEGER           OPTIONAL,
   *       -- implementation-specific error codes
   *       errorDetails           PKIFreeText       OPTIONAL
   *       -- implementation-specific error details
   *   }
   */
  typedef struct ossl_cmp_errormsgcontent_st {
      OSSL_CMP_PKISI *pKIStatusInfo;
      ASN1_INTEGER *errorCode;
      OSSL_CMP_PKIFREETEXT *errorDetails;
  } OSSL_CMP_ERRORMSGCONTENT;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_ERRORMSGCONTENT)
  
  /*-
   *   CertConfirmContent ::= SEQUENCE OF CertStatus
   *
   *   CertStatus ::= SEQUENCE {
   *      certHash    OCTET STRING,
   *      -- the hash of the certificate, using the same hash algorithm
   *      -- as is used to create and verify the certificate signature
   *      certReqId   INTEGER,
   *      -- to match this confirmation with the corresponding req/rep
   *      statusInfo  PKIStatusInfo OPTIONAL
   *   }
   */
  struct ossl_cmp_certstatus_st {
      ASN1_OCTET_STRING *certHash;
      ASN1_INTEGER *certReqId;
      OSSL_CMP_PKISI *statusInfo;
  } /* OSSL_CMP_CERTSTATUS */;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_CERTSTATUS)
  typedef STACK_OF(OSSL_CMP_CERTSTATUS) OSSL_CMP_CERTCONFIRMCONTENT;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_CERTCONFIRMCONTENT)
  
  /*-
   *   CertResponse ::= SEQUENCE {
   *       certReqId           INTEGER,
   *       -- to match this response with corresponding request (a value
   *       -- of -1 is to be used if certReqId is not specified in the
   *       -- corresponding request)
   *       status              PKIStatusInfo,
   *       certifiedKeyPair    CertifiedKeyPair    OPTIONAL,
   *       rspInfo             OCTET STRING        OPTIONAL
   *       -- analogous to the id-regInfo-utf8Pairs string defined
   *       -- for regInfo in CertReqMsg [CRMF]
   *   }
   */
  struct ossl_cmp_certresponse_st {
      ASN1_INTEGER *certReqId;
      OSSL_CMP_PKISI *status;
      OSSL_CMP_CERTIFIEDKEYPAIR *certifiedKeyPair;
      ASN1_OCTET_STRING *rspInfo;
  } /* OSSL_CMP_CERTRESPONSE */;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_CERTRESPONSE)
  
  /*-
   *   CertRepMessage ::= SEQUENCE {
   *       caPubs       [1] SEQUENCE SIZE (1..MAX) OF CMPCertificate
   *                        OPTIONAL,
   *       response         SEQUENCE OF CertResponse
   *   }
   */
  struct ossl_cmp_certrepmessage_st {
      STACK_OF(X509) *caPubs;
      STACK_OF(OSSL_CMP_CERTRESPONSE) *response;
  } /* OSSL_CMP_CERTREPMESSAGE */;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_CERTREPMESSAGE)
  
  /*-
   *   PollReqContent ::= SEQUENCE OF SEQUENCE {
   *         certReqId                              INTEGER
   *   }
   */
  typedef struct ossl_cmp_pollreq_st {
      ASN1_INTEGER *certReqId;
  } OSSL_CMP_POLLREQ;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_POLLREQ)
  DEFINE_STACK_OF(OSSL_CMP_POLLREQ)
  typedef STACK_OF(OSSL_CMP_POLLREQ) OSSL_CMP_POLLREQCONTENT;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_POLLREQCONTENT)
  
  /*-
   * PollRepContent ::= SEQUENCE OF SEQUENCE {
   *         certReqId                              INTEGER,
   *         checkAfter                             INTEGER,  -- time in seconds
   *         reason                                 PKIFreeText OPTIONAL
   * }
   */
  struct ossl_cmp_pollrep_st {
      ASN1_INTEGER *certReqId;
      ASN1_INTEGER *checkAfter;
      OSSL_CMP_PKIFREETEXT *reason;
  } /* OSSL_CMP_POLLREP */;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_POLLREP)
  DEFINE_STACK_OF(OSSL_CMP_POLLREP)
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_POLLREPCONTENT)
  
  /*-
   * PKIHeader ::= SEQUENCE {
   *     pvno                INTEGER     { cmp1999(1), cmp2000(2) },
   *     sender              GeneralName,
   *     -- identifies the sender
   *     recipient           GeneralName,
   *     -- identifies the intended recipient
   *     messageTime     [0] GeneralizedTime         OPTIONAL,
   *     -- time of production of this message (used when sender
   *     -- believes that the transport will be "suitable"; i.e.,
   *     -- that the time will still be meaningful upon receipt)
   *     protectionAlg   [1] AlgorithmIdentifier     OPTIONAL,
   *     -- algorithm used for calculation of protection bits
   *     senderKID       [2] KeyIdentifier           OPTIONAL,
   *     recipKID        [3] KeyIdentifier           OPTIONAL,
   *     -- to identify specific keys used for protection
   *     transactionID   [4] OCTET STRING            OPTIONAL,
   *     -- identifies the transaction; i.e., this will be the same in
   *     -- corresponding request, response, certConf, and PKIConf
   *     -- messages
   *     senderNonce     [5] OCTET STRING            OPTIONAL,
   *     recipNonce      [6] OCTET STRING            OPTIONAL,
   *     -- nonces used to provide replay protection, senderNonce
   *     -- is inserted by the creator of this message; recipNonce
   *     -- is a nonce previously inserted in a related message by
   *     -- the intended recipient of this message
   *     freeText        [7] PKIFreeText             OPTIONAL,
   *     -- this may be used to indicate context-specific instructions
   *     -- (this field is intended for human consumption)
   *     generalInfo     [8] SEQUENCE SIZE (1..MAX) OF
   *                            InfoTypeAndValue     OPTIONAL
   *     -- this may be used to convey context-specific information
   *     -- (this field not primarily intended for human consumption)
   *   }
   */
  struct ossl_cmp_pkiheader_st {
      ASN1_INTEGER *pvno;
      GENERAL_NAME *sender;
      GENERAL_NAME *recipient;
      ASN1_GENERALIZEDTIME *messageTime; /* 0 */
      X509_ALGOR *protectionAlg; /* 1 */
      ASN1_OCTET_STRING *senderKID; /* 2 */
      ASN1_OCTET_STRING *recipKID; /* 3 */
      ASN1_OCTET_STRING *transactionID; /* 4 */
      ASN1_OCTET_STRING *senderNonce; /* 5 */
      ASN1_OCTET_STRING *recipNonce; /* 6 */
      OSSL_CMP_PKIFREETEXT *freeText; /* 7 */
      STACK_OF(OSSL_CMP_ITAV) *generalInfo; /* 8 */
  } /* OSSL_CMP_PKIHEADER */;
  
  typedef STACK_OF(OSSL_CMP_CHALLENGE) OSSL_CMP_POPODECKEYCHALLCONTENT;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_POPODECKEYCHALLCONTENT)
  typedef STACK_OF(ASN1_INTEGER) OSSL_CMP_POPODECKEYRESPCONTENT;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_POPODECKEYRESPCONTENT)
  typedef STACK_OF(OSSL_CMP_REVDETAILS) OSSL_CMP_REVREQCONTENT;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_REVREQCONTENT)
  typedef STACK_OF(X509_CRL) OSSL_CMP_CRLANNCONTENT;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_CRLANNCONTENT)
  typedef STACK_OF(OSSL_CMP_ITAV) OSSL_CMP_GENMSGCONTENT;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_GENMSGCONTENT)
  typedef STACK_OF(OSSL_CMP_ITAV) OSSL_CMP_GENREPCONTENT;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_GENREPCONTENT)
  
  /*-
   *   PKIBody ::= CHOICE {           -- message-specific body elements
   *           ir       [0]  CertReqMessages,            --Initialization Request
   *           ip       [1]  CertRepMessage,             --Initialization Response
   *           cr       [2]  CertReqMessages,            --Certification Request
   *           cp       [3]  CertRepMessage,             --Certification Response
   *           p10cr    [4]  CertificationRequest,       --imported from [PKCS10]
   *           popdecc  [5]  POPODecKeyChallContent,     --pop Challenge
   *           popdecr  [6]  POPODecKeyRespContent,      --pop Response
   *           kur      [7]  CertReqMessages,            --Key Update Request
   *           kup      [8]  CertRepMessage,             --Key Update Response
   *           krr      [9]  CertReqMessages,            --Key Recovery Request
   *           krp      [10] KeyRecRepContent,           --Key Recovery Response
   *           rr       [11] RevReqContent,              --Revocation Request
   *           rp       [12] RevRepContent,              --Revocation Response
   *           ccr      [13] CertReqMessages,            --Cross-Cert. Request
   *           ccp      [14] CertRepMessage,             --Cross-Cert. Response
   *           ckuann   [15] CAKeyUpdAnnContent,         --CA Key Update Ann.
   *           cann     [16] CertAnnContent,             --Certificate Ann.
   *           rann     [17] RevAnnContent,              --Revocation Ann.
   *           crlann   [18] CRLAnnContent,              --CRL Announcement
   *           pkiconf  [19] PKIConfirmContent,          --Confirmation
   *           nested   [20] NestedMessageContent,       --Nested Message
   *           genm     [21] GenMsgContent,              --General Message
   *           genp     [22] GenRepContent,              --General Response
   *           error    [23] ErrorMsgContent,            --Error Message
   *           certConf [24] CertConfirmContent,         --Certificate confirm
   *           pollReq  [25] PollReqContent,             --Polling request
   *           pollRep  [26] PollRepContent              --Polling response
   *   }
   */
  typedef struct ossl_cmp_pkibody_st {
      int type;
      union {
          OSSL_CRMF_MSGS *ir; /* 0 */
          OSSL_CMP_CERTREPMESSAGE *ip; /* 1 */
          OSSL_CRMF_MSGS *cr; /* 2 */
          OSSL_CMP_CERTREPMESSAGE *cp; /* 3 */
          /*-
           * p10cr      [4]  CertificationRequest,     --imported from [PKCS10]
           *
           * PKCS10_CERTIFICATIONREQUEST is effectively X509_REQ
           * so it is used directly
           */
          X509_REQ *p10cr; /* 4 */
          /*-
           * popdecc    [5]  POPODecKeyChallContent, --pop Challenge
           *
           * POPODecKeyChallContent ::= SEQUENCE OF Challenge
           */
          OSSL_CMP_POPODECKEYCHALLCONTENT *popdecc; /* 5 */
          /*-
           * popdecr    [6]  POPODecKeyRespContent,  --pop Response
           *
           * POPODecKeyRespContent ::= SEQUENCE OF INTEGER
           */
          OSSL_CMP_POPODECKEYRESPCONTENT *popdecr; /* 6 */
          OSSL_CRMF_MSGS *kur; /* 7 */
          OSSL_CMP_CERTREPMESSAGE *kup; /* 8 */
          OSSL_CRMF_MSGS *krr; /* 9 */
  
          /*-
           * krp        [10] KeyRecRepContent,         --Key Recovery Response
           */
          OSSL_CMP_KEYRECREPCONTENT *krp; /* 10 */
          /*-
           * rr         [11] RevReqContent,            --Revocation Request
           */
          OSSL_CMP_REVREQCONTENT *rr; /* 11 */
          /*-
           * rp         [12] RevRepContent,            --Revocation Response
           */
          OSSL_CMP_REVREPCONTENT *rp; /* 12 */
          /*-
           * ccr        [13] CertReqMessages,          --Cross-Cert. Request
           */
          OSSL_CRMF_MSGS *ccr; /* 13 */
          /*-
           * ccp        [14] CertRepMessage,           --Cross-Cert. Response
           */
          OSSL_CMP_CERTREPMESSAGE *ccp; /* 14 */
          /*-
           * ckuann     [15] CAKeyUpdAnnContent,       --CA Key Update Ann.
           */
          OSSL_CMP_CAKEYUPDANNCONTENT *ckuann; /* 15 */
          /*-
           * cann       [16] CertAnnContent,           --Certificate Ann.
           * OSSL_CMP_CMPCERTIFICATE is effectively X509 so it is used directly
           */
          X509 *cann; /* 16 */
          /*-
           * rann       [17] RevAnnContent,            --Revocation Ann.
           */
          OSSL_CMP_REVANNCONTENT *rann; /* 17 */
          /*-
           * crlann     [18] CRLAnnContent,            --CRL Announcement
           * CRLAnnContent ::= SEQUENCE OF CertificateList
           */
          OSSL_CMP_CRLANNCONTENT *crlann; /* 18 */
          /*-
           * PKIConfirmContent ::= NULL
           * pkiconf    [19] PKIConfirmContent,        --Confirmation
           * OSSL_CMP_PKICONFIRMCONTENT would be only a typedef of ASN1_NULL
           * OSSL_CMP_CONFIRMCONTENT *pkiconf;
           *
           * NOTE: this should ASN1_NULL according to the RFC
           * but there might be a struct in it when sent from faulty servers...
           */
          ASN1_TYPE *pkiconf; /* 19 */
          /*-
           * nested     [20] NestedMessageContent,     --Nested Message
           * NestedMessageContent ::= PKIMessages
           */
          OSSL_CMP_MSGS *nested; /* 20 */
          /*-
           * genm       [21] GenMsgContent,            --General Message
           * GenMsgContent ::= SEQUENCE OF InfoTypeAndValue
           */
          OSSL_CMP_GENMSGCONTENT *genm; /* 21 */
          /*-
           * genp       [22] GenRepContent,            --General Response
           * GenRepContent ::= SEQUENCE OF InfoTypeAndValue
           */
          OSSL_CMP_GENREPCONTENT *genp; /* 22 */
          /*-
           * error      [23] ErrorMsgContent,          --Error Message
           */
          OSSL_CMP_ERRORMSGCONTENT *error; /* 23 */
          /*-
           * certConf [24] CertConfirmContent,     --Certificate confirm
           */
          OSSL_CMP_CERTCONFIRMCONTENT *certConf; /* 24 */
          /*-
           * pollReq    [25] PollReqContent,           --Polling request
           */
          OSSL_CMP_POLLREQCONTENT *pollReq; /* 25 */
          /*-
           * pollRep    [26] PollRepContent            --Polling response
           */
          OSSL_CMP_POLLREPCONTENT *pollRep; /* 26 */
      } value;
  } OSSL_CMP_PKIBODY;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_PKIBODY)
  
  /*-
   *   PKIProtection ::= BIT STRING
   *
   *   PKIMessages ::= SEQUENCE SIZE (1..MAX) OF PKIMessage
   *
   *    PKIMessage ::= SEQUENCE {
   *           header           PKIHeader,
   *           body             PKIBody,
   *           protection   [0] PKIProtection OPTIONAL,
   *           extraCerts   [1] SEQUENCE SIZE (1..MAX) OF CMPCertificate
   *                                            OPTIONAL
   *   }
   */
  struct ossl_cmp_msg_st {
      OSSL_CMP_PKIHEADER *header;
      OSSL_CMP_PKIBODY *body;
      ASN1_BIT_STRING *protection; /* 0 */
      /* OSSL_CMP_CMPCERTIFICATE is effectively X509 so it is used directly */
      STACK_OF(X509) *extraCerts; /* 1 */
  } /* OSSL_CMP_MSG */;
  DECLARE_ASN1_FUNCTIONS(OSSL_CMP_MSG)
  
  /*-
   * ProtectedPart ::= SEQUENCE {
   * header    PKIHeader,
   * body      PKIBody
   * }
   */
  typedef struct cmp_protectedpart_st {
      OSSL_CMP_PKIHEADER *header;
      OSSL_CMP_PKIBODY *body;
  } CMP_PROTECTEDPART;
  DECLARE_ASN1_FUNCTIONS(CMP_PROTECTEDPART)
  
  /*-
   *  this is not defined here as it is already in CRMF:
   *   id-PasswordBasedMac OBJECT IDENTIFIER ::= {1 2 840 113533 7 66 13}
   *   PBMParameter ::= SEQUENCE {
   *           salt                OCTET STRING,
   *           -- note:  implementations MAY wish to limit acceptable sizes
   *           -- of this string to values appropriate for their environment
   *           -- in order to reduce the risk of denial-of-service attacks
   *           owf                 AlgorithmIdentifier,
   *           -- AlgId for a One-Way Function (SHA-1 recommended)
   *           iterationCount      INTEGER,
   *           -- number of times the OWF is applied
   *           -- note:  implementations MAY wish to limit acceptable sizes
   *           -- of this integer to values appropriate for their environment
   *           -- in order to reduce the risk of denial-of-service attacks
   *           mac                 AlgorithmIdentifier
   *           -- the MAC AlgId (e.g., DES-MAC, Triple-DES-MAC [PKCS11],
   *   }       -- or HMAC [RFC2104, RFC2202])
   */
  /*-
   *  TODO: this is not yet defined here - but DH is anyway not used yet
   *
   *   id-DHBasedMac OBJECT IDENTIFIER ::= {1 2 840 113533 7 66 30}
   *   DHBMParameter ::= SEQUENCE {
   *           owf                 AlgorithmIdentifier,
   *           -- AlgId for a One-Way Function (SHA-1 recommended)
   *           mac                 AlgorithmIdentifier
   *           -- the MAC AlgId (e.g., DES-MAC, Triple-DES-MAC [PKCS11],
   *   }       -- or HMAC [RFC2104, RFC2202])
   */
  /*-
   * The following is not cared for, because it is described in section 5.2.5
   * that this is beyond the scope of CMP
   *   OOBCert ::= CMPCertificate
   *
   *   OOBCertHash ::= SEQUENCE {
   *           hashAlg         [0] AlgorithmIdentifier         OPTIONAL,
   *           certId          [1] CertId                      OPTIONAL,
   *           hashVal             BIT STRING
   *           -- hashVal is calculated over the DER encoding of the
   *           -- self-signed certificate with the identifier certID.
   *   }
   */
  
  /* from cmp_asn.c */
  int ossl_cmp_asn1_get_int(const ASN1_INTEGER *a);
  
  /* from cmp_util.c */
  const char *ossl_cmp_log_parse_metadata(const char *buf,
                                          OSSL_CMP_severity *level, char **func,
                                          char **file, int *line);
  # define ossl_cmp_add_error_data(txt) ERR_add_error_txt(" : ", txt)
  # define ossl_cmp_add_error_line(txt) ERR_add_error_txt("\n", txt)
  /* functions manipulating lists of certificates etc could be generally useful */
  int ossl_cmp_sk_X509_add1_cert(STACK_OF(X509) *sk, X509 *cert,
                                 int no_dup, int prepend);
  int ossl_cmp_sk_X509_add1_certs(STACK_OF(X509) *sk, STACK_OF(X509) *certs,
                                  int no_self_issued, int no_dups, int prepend);
  int ossl_cmp_X509_STORE_add1_certs(X509_STORE *store, STACK_OF(X509) *certs,
                                     int only_self_issued);
  STACK_OF(X509) *ossl_cmp_X509_STORE_get1_certs(X509_STORE *store);
  int ossl_cmp_sk_ASN1_UTF8STRING_push_str(STACK_OF(ASN1_UTF8STRING) *sk,
                                           const char *text);
  int ossl_cmp_asn1_octet_string_set1(ASN1_OCTET_STRING **tgt,
                                      const ASN1_OCTET_STRING *src);
  int ossl_cmp_asn1_octet_string_set1_bytes(ASN1_OCTET_STRING **tgt,
                                            const unsigned char *bytes, int len);
  STACK_OF(X509) *ossl_cmp_build_cert_chain(STACK_OF(X509) *certs, X509 *cert);
  
  /* from cmp_ctx.c */
  int ossl_cmp_print_log(OSSL_CMP_severity level, const OSSL_CMP_CTX *ctx,
                         const char *func, const char *file, int line,
                         const char *level_str, const char *format, ...);
  # define ossl_cmp_log(level, ctx, msg) \
      ossl_cmp_print_log(OSSL_CMP_LOG_##level, ctx, OPENSSL_FUNC, OPENSSL_FILE, \
                         OPENSSL_LINE, #level, "%s", msg)
  # define ossl_cmp_log1(level, ctx, fmt, arg1) \
      ossl_cmp_print_log(OSSL_CMP_LOG_##level, ctx, OPENSSL_FUNC, OPENSSL_FILE, \
                         OPENSSL_LINE, #level, fmt, arg1)
  # define ossl_cmp_log2(level, ctx, fmt, arg1, arg2) \
      ossl_cmp_print_log(OSSL_CMP_LOG_##level, ctx, OPENSSL_FUNC, OPENSSL_FILE, \
                         OPENSSL_LINE, #level, fmt, arg1, arg2)
  # define ossl_cmp_log3(level, ctx, fmt, arg1, arg2, arg3) \
      ossl_cmp_print_log(OSSL_CMP_LOG_##level, ctx, OPENSSL_FUNC, OPENSSL_FILE, \
                         OPENSSL_LINE, #level, fmt, arg1, arg2, arg3)
  # define ossl_cmp_log4(level, ctx, fmt, arg1, arg2, arg3, arg4)         \
      ossl_cmp_print_log(OSSL_CMP_LOG_##level, ctx, OPENSSL_FUNC, OPENSSL_FILE, \
                         OPENSSL_LINE, #level, fmt, arg1, arg2, arg3, arg4)
  # define OSSL_CMP_LOG_ERROR OSSL_CMP_LOG_ERR
  # define OSSL_CMP_LOG_WARN OSSL_CMP_LOG_WARNING
  # define ossl_cmp_alert(ctx, msg) ossl_cmp_log(ALERT, ctx, msg)
  # define ossl_cmp_err(ctx, msg)   ossl_cmp_log(ERROR, ctx, msg)
  # define ossl_cmp_warn(ctx, msg)  ossl_cmp_log(WARN,  ctx, msg)
  # define ossl_cmp_info(ctx, msg)  ossl_cmp_log(INFO,  ctx, msg)
  # define ossl_cmp_debug(ctx, msg) ossl_cmp_log(DEBUG, ctx, msg)
  int ossl_cmp_ctx_set0_validatedSrvCert(OSSL_CMP_CTX *ctx, X509 *cert);
  int ossl_cmp_ctx_set_status(OSSL_CMP_CTX *ctx, int status);
  int ossl_cmp_ctx_set0_statusString(OSSL_CMP_CTX *ctx,
                                     OSSL_CMP_PKIFREETEXT *text);
  int ossl_cmp_ctx_set_failInfoCode(OSSL_CMP_CTX *ctx, int fail_info);
  int ossl_cmp_ctx_set0_newCert(OSSL_CMP_CTX *ctx, X509 *cert);
  int ossl_cmp_ctx_set1_caPubs(OSSL_CMP_CTX *ctx, STACK_OF(X509) *caPubs);
  int ossl_cmp_ctx_set1_extraCertsIn(OSSL_CMP_CTX *ctx,
                                     STACK_OF(X509) *extraCertsIn);
  int ossl_cmp_ctx_set1_recipNonce(OSSL_CMP_CTX *ctx,
                                   const ASN1_OCTET_STRING *nonce);
  
  /* from cmp_status.c */
  int ossl_cmp_pkisi_get_status(const OSSL_CMP_PKISI *si);
  const char *ossl_cmp_PKIStatus_to_string(int status);
  OSSL_CMP_PKIFREETEXT *ossl_cmp_pkisi_get0_statusString(const OSSL_CMP_PKISI *si);
  int ossl_cmp_pkisi_get_pkifailureinfo(const OSSL_CMP_PKISI *si);
  int ossl_cmp_pkisi_check_pkifailureinfo(const OSSL_CMP_PKISI *si, int index);
  
  /* from cmp_hdr.c */
  int ossl_cmp_hdr_set_pvno(OSSL_CMP_PKIHEADER *hdr, int pvno);
  int ossl_cmp_hdr_get_pvno(const OSSL_CMP_PKIHEADER *hdr);
  ASN1_OCTET_STRING *ossl_cmp_hdr_get0_senderNonce(const OSSL_CMP_PKIHEADER *hdr);
  int ossl_cmp_general_name_is_NULL_DN(GENERAL_NAME *name);
  int ossl_cmp_hdr_set1_sender(OSSL_CMP_PKIHEADER *hdr, const X509_NAME *nm);
  int ossl_cmp_hdr_set1_recipient(OSSL_CMP_PKIHEADER *hdr, const X509_NAME *nm);
  int ossl_cmp_hdr_update_messageTime(OSSL_CMP_PKIHEADER *hdr);
  int ossl_cmp_hdr_set1_senderKID(OSSL_CMP_PKIHEADER *hdr,
                                  const ASN1_OCTET_STRING *senderKID);
  int ossl_cmp_hdr_push0_freeText(OSSL_CMP_PKIHEADER *hdr, ASN1_UTF8STRING *text);
  int ossl_cmp_hdr_push1_freeText(OSSL_CMP_PKIHEADER *hdr, ASN1_UTF8STRING *text);
  int ossl_cmp_hdr_generalInfo_push0_item(OSSL_CMP_PKIHEADER *hdr,
                                          OSSL_CMP_ITAV *itav);
  int ossl_cmp_hdr_generalInfo_push1_items(OSSL_CMP_PKIHEADER *hdr,
                                           const STACK_OF(OSSL_CMP_ITAV) *itavs);
  int ossl_cmp_hdr_set_implicitConfirm(OSSL_CMP_PKIHEADER *hdr);
  int ossl_cmp_hdr_has_implicitConfirm(const OSSL_CMP_PKIHEADER *hdr);
  # define OSSL_CMP_TRANSACTIONID_LENGTH 16
  # define OSSL_CMP_SENDERNONCE_LENGTH 16
  int ossl_cmp_hdr_init(OSSL_CMP_CTX *ctx, OSSL_CMP_PKIHEADER *hdr);
  
  /* from cmp_msg.c */
  /* OSSL_CMP_MSG bodytype ASN.1 choice IDs */
  # define OSSL_CMP_PKIBODY_IR        0
  # define OSSL_CMP_PKIBODY_IP        1
  # define OSSL_CMP_PKIBODY_CR        2
  # define OSSL_CMP_PKIBODY_CP        3
  # define OSSL_CMP_PKIBODY_P10CR     4
  # define OSSL_CMP_PKIBODY_POPDECC   5
  # define OSSL_CMP_PKIBODY_POPDECR   6
  # define OSSL_CMP_PKIBODY_KUR       7
  # define OSSL_CMP_PKIBODY_KUP       8
  # define OSSL_CMP_PKIBODY_KRR       9
  # define OSSL_CMP_PKIBODY_KRP      10
  # define OSSL_CMP_PKIBODY_RR       11
  # define OSSL_CMP_PKIBODY_RP       12
  # define OSSL_CMP_PKIBODY_CCR      13
  # define OSSL_CMP_PKIBODY_CCP      14
  # define OSSL_CMP_PKIBODY_CKUANN   15
  # define OSSL_CMP_PKIBODY_CANN     16
  # define OSSL_CMP_PKIBODY_RANN     17
  # define OSSL_CMP_PKIBODY_CRLANN   18
  # define OSSL_CMP_PKIBODY_PKICONF  19
  # define OSSL_CMP_PKIBODY_NESTED   20
  # define OSSL_CMP_PKIBODY_GENM     21
  # define OSSL_CMP_PKIBODY_GENP     22
  # define OSSL_CMP_PKIBODY_ERROR    23
  # define OSSL_CMP_PKIBODY_CERTCONF 24
  # define OSSL_CMP_PKIBODY_POLLREQ  25
  # define OSSL_CMP_PKIBODY_POLLREP  26
  # define OSSL_CMP_PKIBODY_TYPE_MAX OSSL_CMP_PKIBODY_POLLREP
  /* certReqId for the first - and so far only - certificate request */
  # define OSSL_CMP_CERTREQID 0
  /* sequence id for the first - and so far only - revocation request */
  # define OSSL_CMP_REVREQSID 0
  const char *ossl_cmp_bodytype_to_string(int type);
  int ossl_cmp_msg_set_bodytype(OSSL_CMP_MSG *msg, int type);
  int ossl_cmp_msg_get_bodytype(const OSSL_CMP_MSG *msg);
  OSSL_CMP_MSG *ossl_cmp_msg_create(OSSL_CMP_CTX *ctx, int bodytype);
  OSSL_CMP_MSG *ossl_cmp_certReq_new(OSSL_CMP_CTX *ctx, int bodytype,
                                     int err_code);
  OSSL_CMP_MSG *ossl_cmp_certRep_new(OSSL_CMP_CTX *ctx, int bodytype,
                                     int certReqId, OSSL_CMP_PKISI *si,
                                     X509 *cert, STACK_OF(X509) *chain,
                                     STACK_OF(X509) *caPubs, int encrypted,
                                     int unprotectedErrors);
  OSSL_CMP_MSG *ossl_cmp_rr_new(OSSL_CMP_CTX *ctx);
  OSSL_CMP_MSG *ossl_cmp_rp_new(OSSL_CMP_CTX *ctx, OSSL_CMP_PKISI *si,
                                OSSL_CRMF_CERTID *certId, int unprot_err);
  OSSL_CMP_MSG *ossl_cmp_pkiconf_new(OSSL_CMP_CTX *ctx);
  OSSL_CMP_MSG *ossl_cmp_pollRep_new(OSSL_CMP_CTX *ctx, int crid,
                                     int64_t poll_after);
  int ossl_cmp_msg_gen_push0_ITAV(OSSL_CMP_MSG *msg, OSSL_CMP_ITAV *itav);
  int ossl_cmp_msg_gen_push1_ITAVs(OSSL_CMP_MSG *msg,
                                   const STACK_OF(OSSL_CMP_ITAV) *itavs);
  OSSL_CMP_MSG *ossl_cmp_genm_new(OSSL_CMP_CTX *ctx);
  OSSL_CMP_MSG *ossl_cmp_genp_new(OSSL_CMP_CTX *ctx,
                                  const STACK_OF(OSSL_CMP_ITAV) *itavs);
  OSSL_CMP_MSG *ossl_cmp_error_new(OSSL_CMP_CTX *ctx, OSSL_CMP_PKISI *si,
                                   int errorCode,
                                   const char *details, int unprotected);
  int ossl_cmp_certstatus_set0_certHash(OSSL_CMP_CERTSTATUS *certStatus,
                                        ASN1_OCTET_STRING *hash);
  OSSL_CMP_MSG *ossl_cmp_certConf_new(OSSL_CMP_CTX *ctx, int fail_info,
                                      const char *text);
  OSSL_CMP_MSG *ossl_cmp_pollReq_new(OSSL_CMP_CTX *ctx, int crid);
  OSSL_CMP_MSG *ossl_cmp_pollRep_new(OSSL_CMP_CTX *ctx, int crid,
                                     int64_t poll_after);
  OSSL_CMP_PKISI *
  ossl_cmp_revrepcontent_get_pkisi(OSSL_CMP_REVREPCONTENT *rrep, int rsid);
  OSSL_CRMF_CERTID *ossl_cmp_revrepcontent_get_CertId(OSSL_CMP_REVREPCONTENT *rrep,
                                                      int rsid);
  OSSL_CMP_POLLREP *
  ossl_cmp_pollrepcontent_get0_pollrep(const OSSL_CMP_POLLREPCONTENT *prc,
                                       int rid);
  OSSL_CMP_CERTRESPONSE *
  ossl_cmp_certrepmessage_get0_certresponse(const OSSL_CMP_CERTREPMESSAGE *crepmsg,
                                            int rid);
  X509 *ossl_cmp_certresponse_get1_certificate(EVP_PKEY *privkey,
                                               const OSSL_CMP_CERTRESPONSE *crep);
  OSSL_CMP_MSG *ossl_cmp_msg_load(const char *file);
  
  /* from cmp_protect.c */
  ASN1_BIT_STRING *ossl_cmp_calc_protection(const OSSL_CMP_MSG *msg,
                                            const ASN1_OCTET_STRING *secret,
                                            EVP_PKEY *pkey);
  int ossl_cmp_msg_add_extraCerts(OSSL_CMP_CTX *ctx, OSSL_CMP_MSG *msg);
  int ossl_cmp_msg_protect(OSSL_CMP_CTX *ctx, OSSL_CMP_MSG *msg);
  
  /* from cmp_vfy.c */
  typedef int (*ossl_cmp_allow_unprotected_cb_t)(const OSSL_CMP_CTX *ctx,
                                                 const OSSL_CMP_MSG *msg,
                                                 int invalid_protection, int arg);
  int ossl_cmp_msg_check_received(OSSL_CMP_CTX *ctx, const OSSL_CMP_MSG *msg,
                                  ossl_cmp_allow_unprotected_cb_t cb, int cb_arg);
  int ossl_cmp_verify_popo(const OSSL_CMP_MSG *msg, int accept_RAVerified);
  
  #endif /* !defined(OSSL_CRYPTO_CMP_LOCAL_H) */
  