crypto/cms/cms_local.h

   1 /*
   2  * Copyright 2008-2023 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #ifndef OSSL_CRYPTO_CMS_LOCAL_H
  11 # define OSSL_CRYPTO_CMS_LOCAL_H
  12
  13 # include <openssl/x509.h>
  14
  15 /*
  16  * Cryptographic message syntax (CMS) structures: taken from RFC3852
  17  */
  18
  19 /* Forward references */
  20
  21 typedef struct CMS_IssuerAndSerialNumber_st CMS_IssuerAndSerialNumber;
  22 typedef struct CMS_EncapsulatedContentInfo_st CMS_EncapsulatedContentInfo;
  23 typedef struct CMS_SignerIdentifier_st CMS_SignerIdentifier;
  24 typedef struct CMS_OtherRevocationInfoFormat_st CMS_OtherRevocationInfoFormat;
  25 typedef struct CMS_OriginatorInfo_st CMS_OriginatorInfo;
  26 typedef struct CMS_EncryptedContentInfo_st CMS_EncryptedContentInfo;
  27 typedef struct CMS_DigestedData_st CMS_DigestedData;
  28 typedef struct CMS_EncryptedData_st CMS_EncryptedData;
  29 typedef struct CMS_AuthenticatedData_st CMS_AuthenticatedData;
  30 typedef struct CMS_AuthEnvelopedData_st CMS_AuthEnvelopedData;
  31 typedef struct CMS_CompressedData_st CMS_CompressedData;
  32 typedef struct CMS_OtherCertificateFormat_st CMS_OtherCertificateFormat;
  33 typedef struct CMS_KeyTransRecipientInfo_st CMS_KeyTransRecipientInfo;
  34 typedef struct CMS_OriginatorPublicKey_st CMS_OriginatorPublicKey;
  35 typedef struct CMS_OriginatorIdentifierOrKey_st CMS_OriginatorIdentifierOrKey;
  36 typedef struct CMS_KeyAgreeRecipientInfo_st CMS_KeyAgreeRecipientInfo;
  37 typedef struct CMS_RecipientKeyIdentifier_st CMS_RecipientKeyIdentifier;
  38 typedef struct CMS_KeyAgreeRecipientIdentifier_st
  39     CMS_KeyAgreeRecipientIdentifier;
  40 typedef struct CMS_KEKIdentifier_st CMS_KEKIdentifier;
  41 typedef struct CMS_KEKRecipientInfo_st CMS_KEKRecipientInfo;
  42 typedef struct CMS_PasswordRecipientInfo_st CMS_PasswordRecipientInfo;
  43 typedef struct CMS_OtherRecipientInfo_st CMS_OtherRecipientInfo;
  44 typedef struct CMS_ReceiptsFrom_st CMS_ReceiptsFrom;
  45 typedef struct CMS_CTX_st CMS_CTX;
  46
  47 struct CMS_CTX_st {
  48     OSSL_LIB_CTX *libctx;
  49     char *propq;
  50 };
  51
  52 struct CMS_ContentInfo_st {
  53     ASN1_OBJECT *contentType;
  54     union {
  55         ASN1_OCTET_STRING *data;
  56         CMS_SignedData *signedData;
  57         CMS_EnvelopedData *envelopedData;
  58         CMS_DigestedData *digestedData;
  59         CMS_EncryptedData *encryptedData;
  60         CMS_AuthEnvelopedData *authEnvelopedData;
  61         CMS_AuthenticatedData *authenticatedData;
  62         CMS_CompressedData *compressedData;
  63         ASN1_TYPE *other;
  64         /* Other types ... */
  65         void *otherData;
  66     } d;
  67     CMS_CTX ctx;
  68 };
  69
  70 DEFINE_STACK_OF(CMS_CertificateChoices)
  71
  72 struct CMS_SignedData_st {
  73     int32_t version;
  74     STACK_OF(X509_ALGOR) *digestAlgorithms;
  75     CMS_EncapsulatedContentInfo *encapContentInfo;
  76     STACK_OF(CMS_CertificateChoices) *certificates;
  77     STACK_OF(CMS_RevocationInfoChoice) *crls;
  78     STACK_OF(CMS_SignerInfo) *signerInfos;
  79 };
  80
  81 struct CMS_EncapsulatedContentInfo_st {
  82     ASN1_OBJECT *eContentType;
  83     ASN1_OCTET_STRING *eContent;
  84     /* Set to 1 if incomplete structure only part set up */
  85     int partial;
  86 };
  87
  88 struct CMS_SignerInfo_st {
  89     int32_t version;
  90     CMS_SignerIdentifier *sid;
  91     X509_ALGOR *digestAlgorithm;
  92     STACK_OF(X509_ATTRIBUTE) *signedAttrs;
  93     X509_ALGOR *signatureAlgorithm;
  94     ASN1_OCTET_STRING *signature;
  95     STACK_OF(X509_ATTRIBUTE) *unsignedAttrs;
  96     /* Signing certificate and key */
  97     X509 *signer;
  98     EVP_PKEY *pkey;
  99     /* Digest and public key context for alternative parameters */
 100     EVP_MD_CTX *mctx;
 101     EVP_PKEY_CTX *pctx;
 102     const CMS_CTX *cms_ctx;
 103 };
 104
 105 struct CMS_SignerIdentifier_st {
 106     int type;
 107     union {
 108         CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
 109         ASN1_OCTET_STRING *subjectKeyIdentifier;
 110     } d;
 111 };
 112
 113 struct CMS_EnvelopedData_st {
 114     int32_t version;
 115     CMS_OriginatorInfo *originatorInfo;
 116     STACK_OF(CMS_RecipientInfo) *recipientInfos;
 117     CMS_EncryptedContentInfo *encryptedContentInfo;
 118     STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
 119 };
 120
 121 struct CMS_OriginatorInfo_st {
 122     STACK_OF(CMS_CertificateChoices) *certificates;
 123     STACK_OF(CMS_RevocationInfoChoice) *crls;
 124 };
 125
 126 struct CMS_EncryptedContentInfo_st {
 127     ASN1_OBJECT *contentType;
 128     X509_ALGOR *contentEncryptionAlgorithm;
 129     ASN1_OCTET_STRING *encryptedContent;
 130     /* Content encryption algorithm, key and tag */
 131     const EVP_CIPHER *cipher;
 132     unsigned char *key;
 133     size_t keylen;
 134     unsigned char *tag;
 135     size_t taglen;
 136     /* Set to 1 if we are debugging decrypt and don't fake keys for MMA */
 137     int debug;
 138     /* Set to 1 if we have no cert and need extra safety measures for MMA */
 139     int havenocert;
 140 };
 141
 142 struct CMS_RecipientInfo_st {
 143     int type;
 144     union {
 145         CMS_KeyTransRecipientInfo *ktri;
 146         CMS_KeyAgreeRecipientInfo *kari;
 147         CMS_KEKRecipientInfo *kekri;
 148         CMS_PasswordRecipientInfo *pwri;
 149         CMS_OtherRecipientInfo *ori;
 150     } d;
 151 };
 152
 153 typedef CMS_SignerIdentifier CMS_RecipientIdentifier;
 154
 155 struct CMS_KeyTransRecipientInfo_st {
 156     int32_t version;
 157     CMS_RecipientIdentifier *rid;
 158     X509_ALGOR *keyEncryptionAlgorithm;
 159     ASN1_OCTET_STRING *encryptedKey;
 160     /* Recipient Key and cert */
 161     X509 *recip;
 162     EVP_PKEY *pkey;
 163     /* Public key context for this operation */
 164     EVP_PKEY_CTX *pctx;
 165     const CMS_CTX *cms_ctx;
 166 };
 167
 168 struct CMS_KeyAgreeRecipientInfo_st {
 169     int32_t version;
 170     CMS_OriginatorIdentifierOrKey *originator;
 171     ASN1_OCTET_STRING *ukm;
 172     X509_ALGOR *keyEncryptionAlgorithm;
 173     STACK_OF(CMS_RecipientEncryptedKey) *recipientEncryptedKeys;
 174     /* Public key context associated with current operation */
 175     EVP_PKEY_CTX *pctx;
 176     /* Cipher context for CEK wrapping */
 177     EVP_CIPHER_CTX *ctx;
 178     const CMS_CTX *cms_ctx;
 179 };
 180
 181 struct CMS_OriginatorIdentifierOrKey_st {
 182     int type;
 183     union {
 184         CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
 185         ASN1_OCTET_STRING *subjectKeyIdentifier;
 186         CMS_OriginatorPublicKey *originatorKey;
 187     } d;
 188 };
 189
 190 struct CMS_OriginatorPublicKey_st {
 191     X509_ALGOR *algorithm;
 192     ASN1_BIT_STRING *publicKey;
 193 };
 194
 195 struct CMS_RecipientEncryptedKey_st {
 196     CMS_KeyAgreeRecipientIdentifier *rid;
 197     ASN1_OCTET_STRING *encryptedKey;
 198     /* Public key associated with this recipient */
 199     EVP_PKEY *pkey;
 200 };
 201
 202 struct CMS_KeyAgreeRecipientIdentifier_st {
 203     int type;
 204     union {
 205         CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
 206         CMS_RecipientKeyIdentifier *rKeyId;
 207     } d;
 208 };
 209
 210 struct CMS_RecipientKeyIdentifier_st {
 211     ASN1_OCTET_STRING *subjectKeyIdentifier;
 212     ASN1_GENERALIZEDTIME *date;
 213     CMS_OtherKeyAttribute *other;
 214 };
 215
 216 struct CMS_KEKRecipientInfo_st {
 217     int32_t version;
 218     CMS_KEKIdentifier *kekid;
 219     X509_ALGOR *keyEncryptionAlgorithm;
 220     ASN1_OCTET_STRING *encryptedKey;
 221     /* Extra info: symmetric key to use */
 222     unsigned char *key;
 223     size_t keylen;
 224     const CMS_CTX *cms_ctx;
 225 };
 226
 227 struct CMS_KEKIdentifier_st {
 228     ASN1_OCTET_STRING *keyIdentifier;
 229     ASN1_GENERALIZEDTIME *date;
 230     CMS_OtherKeyAttribute *other;
 231 };
 232
 233 struct CMS_PasswordRecipientInfo_st {
 234     int32_t version;
 235     X509_ALGOR *keyDerivationAlgorithm;
 236     X509_ALGOR *keyEncryptionAlgorithm;
 237     ASN1_OCTET_STRING *encryptedKey;
 238     /* Extra info: password to use */
 239     unsigned char *pass;
 240     size_t passlen;
 241     const CMS_CTX *cms_ctx;
 242 };
 243
 244 struct CMS_OtherRecipientInfo_st {
 245     ASN1_OBJECT *oriType;
 246     ASN1_TYPE *oriValue;
 247 };
 248
 249 struct CMS_DigestedData_st {
 250     int32_t version;
 251     X509_ALGOR *digestAlgorithm;
 252     CMS_EncapsulatedContentInfo *encapContentInfo;
 253     ASN1_OCTET_STRING *digest;
 254 };
 255
 256 struct CMS_EncryptedData_st {
 257     int32_t version;
 258     CMS_EncryptedContentInfo *encryptedContentInfo;
 259     STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
 260 };
 261
 262 struct CMS_AuthenticatedData_st {
 263     int32_t version;
 264     CMS_OriginatorInfo *originatorInfo;
 265     STACK_OF(CMS_RecipientInfo) *recipientInfos;
 266     X509_ALGOR *macAlgorithm;
 267     X509_ALGOR *digestAlgorithm;
 268     CMS_EncapsulatedContentInfo *encapContentInfo;
 269     STACK_OF(X509_ATTRIBUTE) *authAttrs;
 270     ASN1_OCTET_STRING *mac;
 271     STACK_OF(X509_ATTRIBUTE) *unauthAttrs;
 272 };
 273
 274 struct CMS_AuthEnvelopedData_st {
 275     int32_t version;
 276     CMS_OriginatorInfo *originatorInfo;
 277     STACK_OF(CMS_RecipientInfo) *recipientInfos;
 278     CMS_EncryptedContentInfo *authEncryptedContentInfo;
 279     STACK_OF(X509_ATTRIBUTE) *authAttrs;
 280     ASN1_OCTET_STRING *mac;
 281     STACK_OF(X509_ATTRIBUTE) *unauthAttrs;
 282 };
 283
 284 struct CMS_CompressedData_st {
 285     int32_t version;
 286     X509_ALGOR *compressionAlgorithm;
 287     STACK_OF(CMS_RecipientInfo) *recipientInfos;
 288     CMS_EncapsulatedContentInfo *encapContentInfo;
 289 };
 290
 291 struct CMS_RevocationInfoChoice_st {
 292     int type;
 293     union {
 294         X509_CRL *crl;
 295         CMS_OtherRevocationInfoFormat *other;
 296     } d;
 297 };
 298
 299 # define CMS_REVCHOICE_CRL               0
 300 # define CMS_REVCHOICE_OTHER             1
 301
 302 struct CMS_OtherRevocationInfoFormat_st {
 303     ASN1_OBJECT *otherRevInfoFormat;
 304     ASN1_TYPE *otherRevInfo;
 305 };
 306
 307 struct CMS_CertificateChoices {
 308     int type;
 309     union {
 310         X509 *certificate;
 311         ASN1_STRING *extendedCertificate; /* Obsolete */
 312         ASN1_STRING *v1AttrCert; /* Left encoded for now */
 313         ASN1_STRING *v2AttrCert; /* Left encoded for now */
 314         CMS_OtherCertificateFormat *other;
 315     } d;
 316 };
 317
 318 # define CMS_CERTCHOICE_CERT             0
 319 # define CMS_CERTCHOICE_EXCERT           1
 320 # define CMS_CERTCHOICE_V1ACERT          2
 321 # define CMS_CERTCHOICE_V2ACERT          3
 322 # define CMS_CERTCHOICE_OTHER            4
 323
 324 struct CMS_OtherCertificateFormat_st {
 325     ASN1_OBJECT *otherCertFormat;
 326     ASN1_TYPE *otherCert;
 327 };
 328
 329 /*
 330  * This is also defined in pkcs7.h but we duplicate it to allow the CMS code
 331  * to be independent of PKCS#7
 332  */
 333
 334 struct CMS_IssuerAndSerialNumber_st {
 335     X509_NAME *issuer;
 336     ASN1_INTEGER *serialNumber;
 337 };
 338
 339 struct CMS_OtherKeyAttribute_st {
 340     ASN1_OBJECT *keyAttrId;
 341     ASN1_TYPE *keyAttr;
 342 };
 343
 344 /* ESS structures */
 345
 346 struct CMS_ReceiptRequest_st {
 347     ASN1_OCTET_STRING *signedContentIdentifier;
 348     CMS_ReceiptsFrom *receiptsFrom;
 349     STACK_OF(GENERAL_NAMES) *receiptsTo;
 350 };
 351
 352 struct CMS_ReceiptsFrom_st {
 353     int type;
 354     union {
 355         int32_t allOrFirstTier;
 356         STACK_OF(GENERAL_NAMES) *receiptList;
 357     } d;
 358 };
 359
 360 struct CMS_Receipt_st {
 361     int32_t version;
 362     ASN1_OBJECT *contentType;
 363     ASN1_OCTET_STRING *signedContentIdentifier;
 364     ASN1_OCTET_STRING *originatorSignatureValue;
 365 };
 366
 367 DECLARE_ASN1_FUNCTIONS(CMS_ContentInfo)
 368 DECLARE_ASN1_ITEM(CMS_SignerInfo)
 369 DECLARE_ASN1_ITEM(CMS_IssuerAndSerialNumber)
 370 DECLARE_ASN1_ITEM(CMS_Attributes_Sign)
 371 DECLARE_ASN1_ITEM(CMS_Attributes_Verify)
 372 DECLARE_ASN1_ITEM(CMS_RecipientInfo)
 373 DECLARE_ASN1_ITEM(CMS_PasswordRecipientInfo)
 374 DECLARE_ASN1_ALLOC_FUNCTIONS(CMS_IssuerAndSerialNumber)
 375
 376 # define CMS_SIGNERINFO_ISSUER_SERIAL    0
 377 # define CMS_SIGNERINFO_KEYIDENTIFIER    1
 378
 379 # define CMS_RECIPINFO_ISSUER_SERIAL     0
 380 # define CMS_RECIPINFO_KEYIDENTIFIER     1
 381
 382 # define CMS_REK_ISSUER_SERIAL           0
 383 # define CMS_REK_KEYIDENTIFIER           1
 384
 385 # define CMS_OIK_ISSUER_SERIAL           0
 386 # define CMS_OIK_KEYIDENTIFIER           1
 387 # define CMS_OIK_PUBKEY                  2
 388
 389 BIO *ossl_cms_content_bio(CMS_ContentInfo *cms);
 390 const CMS_CTX *ossl_cms_get0_cmsctx(const CMS_ContentInfo *cms);
 391 OSSL_LIB_CTX *ossl_cms_ctx_get0_libctx(const CMS_CTX *ctx);
 392 const char *ossl_cms_ctx_get0_propq(const CMS_CTX *ctx);
 393 void ossl_cms_resolve_libctx(CMS_ContentInfo *ci);
 394
 395 CMS_ContentInfo *ossl_cms_Data_create(OSSL_LIB_CTX *ctx, const char *propq);
 396 int ossl_cms_DataFinal(CMS_ContentInfo *cms, BIO *cmsbio,
 397                        const unsigned char *precomp_md,
 398                        unsigned int precomp_mdlen);
 399
 400 CMS_ContentInfo *ossl_cms_DigestedData_create(const EVP_MD *md,
 401                                               OSSL_LIB_CTX *libctx,
 402                                               const char *propq);
 403 BIO *ossl_cms_DigestedData_init_bio(const CMS_ContentInfo *cms);
 404 int ossl_cms_DigestedData_do_final(const CMS_ContentInfo *cms,
 405                                    BIO *chain, int verify);
 406
 407 BIO *ossl_cms_SignedData_init_bio(CMS_ContentInfo *cms);
 408 int ossl_cms_SignedData_final(CMS_ContentInfo *cms, BIO *chain,
 409                               const unsigned char *precomp_md,
 410                               unsigned int precomp_mdlen);
 411 int ossl_cms_set1_SignerIdentifier(CMS_SignerIdentifier *sid, X509 *cert,
 412                                    int type, const CMS_CTX *ctx);
 413 int ossl_cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid,
 414                                              ASN1_OCTET_STRING **keyid,
 415                                              X509_NAME **issuer,
 416                                              ASN1_INTEGER **sno);
 417 int ossl_cms_SignerIdentifier_cert_cmp(CMS_SignerIdentifier *sid, X509 *cert);
 418
 419 CMS_ContentInfo *ossl_cms_CompressedData_create(int comp_nid,
 420                                                 OSSL_LIB_CTX *libctx,
 421                                                 const char *propq);
 422 BIO *ossl_cms_CompressedData_init_bio(const CMS_ContentInfo *cms);
 423
 424 BIO *ossl_cms_DigestAlgorithm_init_bio(X509_ALGOR *digestAlgorithm,
 425                                        const CMS_CTX *ctx);
 426 int ossl_cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,
 427                                       X509_ALGOR *mdalg);
 428
 429 int ossl_cms_ias_cert_cmp(CMS_IssuerAndSerialNumber *ias, X509 *cert);
 430 int ossl_cms_keyid_cert_cmp(ASN1_OCTET_STRING *keyid, X509 *cert);
 431 int ossl_cms_set1_ias(CMS_IssuerAndSerialNumber **pias, X509 *cert);
 432 int ossl_cms_set1_keyid(ASN1_OCTET_STRING **pkeyid, X509 *cert);
 433
 434 BIO *ossl_cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec,
 435                                         const CMS_CTX *ctx);
 436 BIO *ossl_cms_EncryptedData_init_bio(const CMS_ContentInfo *cms);
 437 int ossl_cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec,
 438                                    const EVP_CIPHER *cipher,
 439                                    const unsigned char *key, size_t keylen,
 440                                    const CMS_CTX *ctx);
 441
 442 int ossl_cms_Receipt_verify(CMS_ContentInfo *cms, CMS_ContentInfo *req_cms);
 443 int ossl_cms_msgSigDigest_add1(CMS_SignerInfo *dest, CMS_SignerInfo *src);
 444 ASN1_OCTET_STRING *ossl_cms_encode_Receipt(CMS_SignerInfo *si);
 445
 446 BIO *ossl_cms_EnvelopedData_init_bio(CMS_ContentInfo *cms);
 447 int ossl_cms_EnvelopedData_final(CMS_ContentInfo *cms, BIO *chain);
 448 BIO *ossl_cms_AuthEnvelopedData_init_bio(CMS_ContentInfo *cms);
 449 int ossl_cms_AuthEnvelopedData_final(CMS_ContentInfo *cms, BIO *cmsbio);
 450 void ossl_cms_env_enc_content_free(const CMS_ContentInfo *cinf);
 451 CMS_EnvelopedData *ossl_cms_get0_enveloped(CMS_ContentInfo *cms);
 452 CMS_AuthEnvelopedData *ossl_cms_get0_auth_enveloped(CMS_ContentInfo *cms);
 453 CMS_EncryptedContentInfo *ossl_cms_get0_env_enc_content(const CMS_ContentInfo *cms);
 454
 455 /* RecipientInfo routines */
 456 int ossl_cms_env_asn1_ctrl(CMS_RecipientInfo *ri, int cmd);
 457 int ossl_cms_pkey_get_ri_type(EVP_PKEY *pk);
 458 int ossl_cms_pkey_is_ri_type_supported(EVP_PKEY *pk, int ri_type);
 459
 460 void ossl_cms_RecipientInfos_set_cmsctx(CMS_ContentInfo *cms);
 461
 462 /* KARI routines */
 463 int ossl_cms_RecipientInfo_kari_init(CMS_RecipientInfo *ri, X509 *recip,
 464                                      EVP_PKEY *recipPubKey, X509 *originator,
 465                                      EVP_PKEY *originatorPrivKey,
 466                                      unsigned int flags,
 467                                      const CMS_CTX *ctx);
 468 int ossl_cms_RecipientInfo_kari_encrypt(const CMS_ContentInfo *cms,
 469                                         CMS_RecipientInfo *ri);
 470
 471 /* PWRI routines */
 472 int ossl_cms_RecipientInfo_pwri_crypt(const CMS_ContentInfo *cms,
 473                                       CMS_RecipientInfo *ri, int en_de);
 474 /* SignerInfo routines */
 475 int ossl_cms_si_check_attributes(const CMS_SignerInfo *si);
 476 void ossl_cms_SignerInfos_set_cmsctx(CMS_ContentInfo *cms);
 477
 478
 479 /* ESS routines */
 480 int ossl_cms_check_signing_certs(const CMS_SignerInfo *si,
 481                                  const STACK_OF(X509) *chain);
 482
 483 int ossl_cms_dh_envelope(CMS_RecipientInfo *ri, int decrypt);
 484 int ossl_cms_ecdh_envelope(CMS_RecipientInfo *ri, int decrypt);
 485 int ossl_cms_rsa_envelope(CMS_RecipientInfo *ri, int decrypt);
 486 int ossl_cms_rsa_sign(CMS_SignerInfo *si, int verify);
 487
 488 DECLARE_ASN1_ITEM(CMS_CertificateChoices)
 489 DECLARE_ASN1_ITEM(CMS_DigestedData)
 490 DECLARE_ASN1_ITEM(CMS_EncryptedData)
 491 DECLARE_ASN1_ITEM(CMS_EnvelopedData)
 492 DECLARE_ASN1_ITEM(CMS_AuthEnvelopedData)
 493 DECLARE_ASN1_ITEM(CMS_KEKRecipientInfo)
 494 DECLARE_ASN1_ITEM(CMS_KeyAgreeRecipientInfo)
 495 DECLARE_ASN1_ITEM(CMS_KeyTransRecipientInfo)
 496 DECLARE_ASN1_ITEM(CMS_OriginatorPublicKey)
 497 DECLARE_ASN1_ITEM(CMS_OtherKeyAttribute)
 498 DECLARE_ASN1_ITEM(CMS_Receipt)
 499 DECLARE_ASN1_ITEM(CMS_ReceiptRequest)
 500 DECLARE_ASN1_ITEM(CMS_RecipientEncryptedKey)
 501 DECLARE_ASN1_ITEM(CMS_RecipientKeyIdentifier)
 502 DECLARE_ASN1_ITEM(CMS_RevocationInfoChoice)
 503 DECLARE_ASN1_ITEM(CMS_SignedData)
 504 DECLARE_ASN1_ITEM(CMS_CompressedData)
 505
 506 #endif