/*

 * Copyright 2007-2023 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>

# include "crypto/x509.h"

#define IS_NULL_DN(name) (X509_NAME_get_entry(name, 0) == NULL)

/*

 * this structure is used to store the context for CMP sessions

 */

struct ossl_cmp_ctx_st {

    OSSL_LIB_CTX *libctx;

    char *propq;

    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 */

    OSSL_HTTP_REQ_CTX *http_ctx;

    char *serverPath;

    char *server;

    int serverPort;

    char *proxy;

    char *no_proxy;

    int keep_alive; /* persistent connection: 0=no, 1=prefer, 2=require */

    int msg_timeout; /* max seconds to wait for each CMP message round trip */

    int total_timeout; /* max number of 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 header of response */

    X509_STORE *trusted; /* trust store maybe w CRLs and cert verify callback */

    STACK_OF(X509) *untrusted; /* untrusted (intermediate CA) 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 *cert; /* protection cert used to identify and sign for MSG_SIG_ALG */

    STACK_OF(X509) *chain; /* (cached) chain of protection cert including it */

    EVP_PKEY *pkey; /* the key pair corresponding to cert */

    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; /* salt length, currently fixed to 16 */

    EVP_MD *pbm_owf; /* one-way function (OWF), default: SHA256 */

    int pbm_itercnt; /* OWF iteration count, 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 */

    EVP_MD *digest; /* 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 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 */

    OSSL_CMP_PKIFREETEXT *statusString; /* of last IP/CP/KUP/RP/error */

    int failInfoCode; /* failInfoCode of last received IP/CP/KUP/error, or -1 */

    X509 *newCert; /* newly enrolled cert received from the CA */

    STACK_OF(X509) *newChain; /* chain of newly enrolled cert received */

    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 */;

/*-

 *  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_LIB_CTX *libctx;

    char *propq;

} /* OSSL_CMP_MSG */;

OSSL_CMP_MSG *OSSL_CMP_MSG_new(OSSL_LIB_CTX *libctx, const char *propq);

void OSSL_CMP_MSG_free(OSSL_CMP_MSG *msg);

/*-

 * ProtectedPart ::= SEQUENCE {

 * header    PKIHeader,

 * body      PKIBody

 * }

 */

typedef struct ossl_cmp_protectedpart_st {

    OSSL_CMP_PKIHEADER *header;

    OSSL_CMP_PKIBODY *body;

} OSSL_CMP_PROTECTEDPART;

DECLARE_ASN1_FUNCTIONS(OSSL_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])

 */

/*-

 *   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)

/* The two functions manipulating X509_STORE could be generally useful */

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 len);

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);

/* 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)

# define ossl_cmp_trace(ctx, msg) ossl_cmp_log(TRACE, 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_newChain(OSSL_CMP_CTX *ctx, STACK_OF(X509) *newChain);

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);

EVP_PKEY *ossl_cmp_ctx_get0_newPubkey(const OSSL_CMP_CTX *ctx);

/* 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 *s);

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);

int ossl_cmp_hdr_get_protection_nid(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_set_transactionID(OSSL_CMP_CTX *ctx, OSSL_CMP_PKIHEADER *hdr);

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

# define OSSL_CMP_CERTREQID_NONE    -1

# define OSSL_CMP_CERTREQID_INVALID -2

/* sequence id for the first - and so far only - revocation request */

# define OSSL_CMP_REVREQSID 0

int ossl_cmp_msg_set0_libctx(OSSL_CMP_MSG *msg, OSSL_LIB_CTX *libctx,

                             const char *propq);

const char *ossl_cmp_bodytype_to_string(int type);

int ossl_cmp_msg_set_bodytype(OSSL_CMP_MSG *msg, int type);

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,

                                   const OSSL_CRMF_MSG *crm);

OSSL_CMP_MSG *ossl_cmp_certrep_new(OSSL_CMP_CTX *ctx, int bodytype,

                                   int certReqId, const OSSL_CMP_PKISI *si,

                                   X509 *cert, const X509 *encryption_recip,

                                   STACK_OF(X509) *chain, STACK_OF(X509) *caPubs,

                                   int unprotectedErrors);

OSSL_CMP_MSG *ossl_cmp_rr_new(OSSL_CMP_CTX *ctx);

OSSL_CMP_MSG *ossl_cmp_rp_new(OSSL_CMP_CTX *ctx, const OSSL_CMP_PKISI *si,

                              const OSSL_CRMF_CERTID *cid,

                              int unprotectedErrors);

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, const OSSL_CMP_PKISI *si,

                                 int64_t 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 certReqId,

                                    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 *rc,

                                                    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 *crm,

                                          int rid);

X509 *ossl_cmp_certresponse_get1_cert(const OSSL_CMP_CTX *ctx,

                                      const OSSL_CMP_CERTRESPONSE *crep);

OSSL_CMP_MSG *ossl_cmp_msg_load(const char *file);

/* from cmp_protect.c */

int ossl_cmp_msg_add_extraCerts(OSSL_CMP_CTX *ctx, OSSL_CMP_MSG *msg);

ASN1_BIT_STRING *ossl_cmp_calc_protection(const OSSL_CMP_CTX *ctx,

                                          const 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_update(OSSL_CMP_CTX *ctx, const OSSL_CMP_MSG *msg,

                              ossl_cmp_allow_unprotected_cb_t cb, int cb_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_CTX *ctx,

                         const OSSL_CMP_MSG *msg, int accept_RAVerified);

/* from cmp_client.c */

int ossl_cmp_exchange_certConf(OSSL_CMP_CTX *ctx, int certReqId,

                               int fail_info, const char *txt);

int ossl_cmp_exchange_error(OSSL_CMP_CTX *ctx, int status, int fail_info,

                            const char *txt, int errorCode, const char *detail);

#endif /* !defined(OSSL_CRYPTO_CMP_LOCAL_H) */