1 /* crypto/cms/cms_lcl.h */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer. 
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  */
  53 
  54 #ifndef HEADER_CMS_LCL_H
  55 #define HEADER_CMS_LCL_H
  56 
  57 #ifdef __cplusplus
  58 extern "C" {
  59 #endif
  60 
  61 #include <openssl/x509.h>
  62 
  63 /* Cryptographic message syntax (CMS) structures: taken
  64  * from RFC3852
  65  */
  66 
  67 /* Forward references */
  68 
  69 typedef struct CMS_IssuerAndSerialNumber_st CMS_IssuerAndSerialNumber;
  70 typedef struct CMS_EncapsulatedContentInfo_st CMS_EncapsulatedContentInfo;
  71 typedef struct CMS_SignerIdentifier_st CMS_SignerIdentifier;
  72 typedef struct CMS_SignedData_st CMS_SignedData;
  73 typedef struct CMS_OtherRevocationInfoFormat_st CMS_OtherRevocationInfoFormat;
  74 typedef struct CMS_OriginatorInfo_st CMS_OriginatorInfo;
  75 typedef struct CMS_EncryptedContentInfo_st CMS_EncryptedContentInfo;
  76 typedef struct CMS_EnvelopedData_st CMS_EnvelopedData;
  77 typedef struct CMS_DigestedData_st CMS_DigestedData;
  78 typedef struct CMS_EncryptedData_st CMS_EncryptedData;
  79 typedef struct CMS_AuthenticatedData_st CMS_AuthenticatedData;
  80 typedef struct CMS_CompressedData_st CMS_CompressedData;
  81 typedef struct CMS_OtherCertificateFormat_st CMS_OtherCertificateFormat;
  82 typedef struct CMS_KeyTransRecipientInfo_st CMS_KeyTransRecipientInfo;
  83 typedef struct CMS_OriginatorPublicKey_st CMS_OriginatorPublicKey;
  84 typedef struct CMS_OriginatorIdentifierOrKey_st CMS_OriginatorIdentifierOrKey;
  85 typedef struct CMS_KeyAgreeRecipientInfo_st CMS_KeyAgreeRecipientInfo;
  86 typedef struct CMS_OtherKeyAttribute_st CMS_OtherKeyAttribute;
  87 typedef struct CMS_RecipientKeyIdentifier_st CMS_RecipientKeyIdentifier;
  88 typedef struct CMS_KeyAgreeRecipientIdentifier_st CMS_KeyAgreeRecipientIdentifier;
  89 typedef struct CMS_RecipientEncryptedKey_st CMS_RecipientEncryptedKey;
  90 typedef struct CMS_KEKIdentifier_st CMS_KEKIdentifier;
  91 typedef struct CMS_KEKRecipientInfo_st CMS_KEKRecipientInfo;
  92 typedef struct CMS_PasswordRecipientInfo_st CMS_PasswordRecipientInfo;
  93 typedef struct CMS_OtherRecipientInfo_st CMS_OtherRecipientInfo;
  94 typedef struct CMS_ReceiptsFrom_st CMS_ReceiptsFrom;
  95 
  96 struct CMS_ContentInfo_st
  97         {
  98         ASN1_OBJECT *contentType;
  99         union   {
 100                 ASN1_OCTET_STRING *data;
 101                 CMS_SignedData *signedData;
 102                 CMS_EnvelopedData *envelopedData;
 103                 CMS_DigestedData *digestedData;
 104                 CMS_EncryptedData *encryptedData;
 105                 CMS_AuthenticatedData *authenticatedData;
 106                 CMS_CompressedData *compressedData;
 107                 ASN1_TYPE *other;
 108                 /* Other types ... */
 109                 void *otherData;
 110                 } d;
 111         };
 112 
 113 struct CMS_SignedData_st
 114         {
 115         long version;
 116         STACK_OF(X509_ALGOR) *digestAlgorithms;
 117         CMS_EncapsulatedContentInfo *encapContentInfo;
 118         STACK_OF(CMS_CertificateChoices) *certificates;
 119         STACK_OF(CMS_RevocationInfoChoice) *crls;
 120         STACK_OF(CMS_SignerInfo) *signerInfos;
 121         };
 122  
 123 struct CMS_EncapsulatedContentInfo_st
 124         {
 125         ASN1_OBJECT *eContentType;
 126         ASN1_OCTET_STRING *eContent;
 127         /* Set to 1 if incomplete structure only part set up */
 128         int partial;
 129         };
 130 
 131 struct CMS_SignerInfo_st
 132         {
 133         long version;
 134         CMS_SignerIdentifier *sid;
 135         X509_ALGOR *digestAlgorithm;
 136         STACK_OF(X509_ATTRIBUTE) *signedAttrs;
 137         X509_ALGOR *signatureAlgorithm;
 138         ASN1_OCTET_STRING *signature;
 139         STACK_OF(X509_ATTRIBUTE) *unsignedAttrs;
 140         /* Signing certificate and key */
 141         X509 *signer;
 142         EVP_PKEY *pkey;
 143         };
 144 
 145 struct CMS_SignerIdentifier_st
 146         {
 147         int type;
 148         union   {
 149                 CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
 150                 ASN1_OCTET_STRING *subjectKeyIdentifier;
 151                 } d;
 152         };
 153 
 154 struct CMS_EnvelopedData_st
 155         {
 156         long version;
 157         CMS_OriginatorInfo *originatorInfo;
 158         STACK_OF(CMS_RecipientInfo) *recipientInfos;
 159         CMS_EncryptedContentInfo *encryptedContentInfo;
 160         STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
 161         };
 162 
 163 struct CMS_OriginatorInfo_st
 164         {
 165         STACK_OF(CMS_CertificateChoices) *certificates;
 166         STACK_OF(CMS_RevocationInfoChoice) *crls;
 167         };
 168 
 169 struct CMS_EncryptedContentInfo_st
 170         {
 171         ASN1_OBJECT *contentType;
 172         X509_ALGOR *contentEncryptionAlgorithm;
 173         ASN1_OCTET_STRING *encryptedContent;
 174         /* Content encryption algorithm and key */
 175         const EVP_CIPHER *cipher;
 176         unsigned char *key;
 177         size_t keylen;
 178         /* Set to 1 if we are debugging decrypt and don't fake keys for MMA */
 179         int debug;
 180         };
 181 
 182 struct CMS_RecipientInfo_st
 183         {
 184         int type;
 185         union   {
 186                 CMS_KeyTransRecipientInfo *ktri;
 187                 CMS_KeyAgreeRecipientInfo *kari;
 188                 CMS_KEKRecipientInfo *kekri;
 189                 CMS_PasswordRecipientInfo *pwri;
 190                 CMS_OtherRecipientInfo *ori;
 191                 } d;
 192         };
 193 
 194 typedef CMS_SignerIdentifier CMS_RecipientIdentifier;
 195 
 196 struct CMS_KeyTransRecipientInfo_st
 197         {
 198         long version;
 199         CMS_RecipientIdentifier *rid;
 200         X509_ALGOR *keyEncryptionAlgorithm;
 201         ASN1_OCTET_STRING *encryptedKey;
 202         /* Recipient Key and cert */
 203         X509 *recip;
 204         EVP_PKEY *pkey;
 205         };
 206 
 207 struct CMS_KeyAgreeRecipientInfo_st
 208         {
 209         long version;
 210         CMS_OriginatorIdentifierOrKey *originator;
 211         ASN1_OCTET_STRING *ukm;
 212         X509_ALGOR *keyEncryptionAlgorithm;
 213         STACK_OF(CMS_RecipientEncryptedKey) *recipientEncryptedKeys;
 214         };
 215 
 216 struct CMS_OriginatorIdentifierOrKey_st
 217         {
 218         int type;
 219         union   {
 220                 CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
 221                 ASN1_OCTET_STRING *subjectKeyIdentifier;
 222                 CMS_OriginatorPublicKey *originatorKey;
 223                 } d;
 224         };
 225 
 226 struct CMS_OriginatorPublicKey_st
 227         {
 228         X509_ALGOR *algorithm;
 229         ASN1_BIT_STRING *publicKey;
 230         };
 231 
 232 struct CMS_RecipientEncryptedKey_st
 233         {
 234         CMS_KeyAgreeRecipientIdentifier *rid;
 235         ASN1_OCTET_STRING *encryptedKey;
 236         };
 237 
 238 struct CMS_KeyAgreeRecipientIdentifier_st
 239         {
 240         int type;
 241         union   {
 242                 CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
 243                 CMS_RecipientKeyIdentifier *rKeyId;
 244                 } d;
 245         };
 246 
 247 struct CMS_RecipientKeyIdentifier_st
 248         {
 249         ASN1_OCTET_STRING *subjectKeyIdentifier;
 250         ASN1_GENERALIZEDTIME *date;
 251         CMS_OtherKeyAttribute *other;
 252         };
 253 
 254 struct CMS_KEKRecipientInfo_st
 255         {
 256         long version;
 257         CMS_KEKIdentifier *kekid;
 258         X509_ALGOR *keyEncryptionAlgorithm;
 259         ASN1_OCTET_STRING *encryptedKey;
 260         /* Extra info: symmetric key to use */
 261         unsigned char *key;
 262         size_t keylen;
 263         };
 264 
 265 struct CMS_KEKIdentifier_st
 266         {
 267         ASN1_OCTET_STRING *keyIdentifier;
 268         ASN1_GENERALIZEDTIME *date;
 269         CMS_OtherKeyAttribute *other;
 270         };
 271 
 272 struct CMS_PasswordRecipientInfo_st
 273         {
 274         long version;
 275         X509_ALGOR *keyDerivationAlgorithm;
 276         X509_ALGOR *keyEncryptionAlgorithm;
 277         ASN1_OCTET_STRING *encryptedKey;
 278         /* Extra info: password to use */
 279         unsigned char *pass;
 280         size_t passlen;
 281         };
 282 
 283 struct CMS_OtherRecipientInfo_st
 284         {
 285         ASN1_OBJECT *oriType;
 286         ASN1_TYPE *oriValue;
 287         };
 288 
 289 struct CMS_DigestedData_st
 290         {
 291         long version;
 292         X509_ALGOR *digestAlgorithm;
 293         CMS_EncapsulatedContentInfo *encapContentInfo;
 294         ASN1_OCTET_STRING *digest;
 295         };
 296 
 297 struct CMS_EncryptedData_st
 298         {
 299         long version;
 300         CMS_EncryptedContentInfo *encryptedContentInfo;
 301         STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
 302         };
 303 
 304 struct CMS_AuthenticatedData_st
 305         {
 306         long version;
 307         CMS_OriginatorInfo *originatorInfo;
 308         STACK_OF(CMS_RecipientInfo) *recipientInfos;
 309         X509_ALGOR *macAlgorithm;
 310         X509_ALGOR *digestAlgorithm;
 311         CMS_EncapsulatedContentInfo *encapContentInfo;
 312         STACK_OF(X509_ATTRIBUTE) *authAttrs;
 313         ASN1_OCTET_STRING *mac;
 314         STACK_OF(X509_ATTRIBUTE) *unauthAttrs;
 315         };
 316 
 317 struct CMS_CompressedData_st
 318         {
 319         long version;
 320         X509_ALGOR *compressionAlgorithm;
 321         STACK_OF(CMS_RecipientInfo) *recipientInfos;
 322         CMS_EncapsulatedContentInfo *encapContentInfo;
 323         };
 324 
 325 struct CMS_RevocationInfoChoice_st
 326         {
 327         int type;
 328         union   {
 329                 X509_CRL *crl;
 330                 CMS_OtherRevocationInfoFormat *other;
 331                 } d;
 332         };
 333 
 334 #define CMS_REVCHOICE_CRL               0
 335 #define CMS_REVCHOICE_OTHER             1
 336 
 337 struct CMS_OtherRevocationInfoFormat_st
 338         {
 339         ASN1_OBJECT *otherRevInfoFormat;
 340         ASN1_TYPE *otherRevInfo;
 341         };
 342 
 343 struct CMS_CertificateChoices
 344         {
 345         int type;
 346                 union {
 347                 X509 *certificate;
 348                 ASN1_STRING *extendedCertificate;       /* Obsolete */
 349                 ASN1_STRING *v1AttrCert;        /* Left encoded for now */
 350                 ASN1_STRING *v2AttrCert;        /* Left encoded for now */
 351                 CMS_OtherCertificateFormat *other;
 352                 } d;
 353         };
 354 
 355 #define CMS_CERTCHOICE_CERT             0
 356 #define CMS_CERTCHOICE_EXCERT           1
 357 #define CMS_CERTCHOICE_V1ACERT          2
 358 #define CMS_CERTCHOICE_V2ACERT          3
 359 #define CMS_CERTCHOICE_OTHER            4
 360 
 361 struct CMS_OtherCertificateFormat_st
 362         {
 363         ASN1_OBJECT *otherCertFormat;
 364         ASN1_TYPE *otherCert;
 365         };
 366 
 367 /* This is also defined in pkcs7.h but we duplicate it
 368  * to allow the CMS code to be independent of PKCS#7
 369  */
 370 
 371 struct CMS_IssuerAndSerialNumber_st
 372         {
 373         X509_NAME *issuer;
 374         ASN1_INTEGER *serialNumber;
 375         };
 376 
 377 struct CMS_OtherKeyAttribute_st
 378         {
 379         ASN1_OBJECT *keyAttrId;
 380         ASN1_TYPE *keyAttr;
 381         };
 382 
 383 /* ESS structures */
 384 
 385 #ifdef HEADER_X509V3_H
 386 
 387 struct CMS_ReceiptRequest_st
 388         {
 389         ASN1_OCTET_STRING *signedContentIdentifier;
 390         CMS_ReceiptsFrom *receiptsFrom;
 391         STACK_OF(GENERAL_NAMES) *receiptsTo;
 392         };
 393 
 394 
 395 struct CMS_ReceiptsFrom_st
 396         {
 397         int type;
 398         union
 399                 {
 400                 long allOrFirstTier;
 401                 STACK_OF(GENERAL_NAMES) *receiptList;
 402                 } d;
 403         };
 404 #endif
 405 
 406 struct CMS_Receipt_st
 407         {
 408         long version;
 409         ASN1_OBJECT *contentType;
 410         ASN1_OCTET_STRING *signedContentIdentifier;
 411         ASN1_OCTET_STRING *originatorSignatureValue;
 412         };
 413 
 414 DECLARE_ASN1_FUNCTIONS(CMS_ContentInfo)
 415 DECLARE_ASN1_ITEM(CMS_SignerInfo)
 416 DECLARE_ASN1_ITEM(CMS_IssuerAndSerialNumber)
 417 DECLARE_ASN1_ITEM(CMS_Attributes_Sign)
 418 DECLARE_ASN1_ITEM(CMS_Attributes_Verify)
 419 DECLARE_ASN1_ITEM(CMS_RecipientInfo)
 420 DECLARE_ASN1_ITEM(CMS_PasswordRecipientInfo)
 421 DECLARE_ASN1_ALLOC_FUNCTIONS(CMS_IssuerAndSerialNumber)
 422 
 423 #define CMS_SIGNERINFO_ISSUER_SERIAL    0
 424 #define CMS_SIGNERINFO_KEYIDENTIFIER    1
 425 
 426 #define CMS_RECIPINFO_ISSUER_SERIAL     0
 427 #define CMS_RECIPINFO_KEYIDENTIFIER     1
 428 
 429 BIO *cms_content_bio(CMS_ContentInfo *cms);
 430 
 431 CMS_ContentInfo *cms_Data_create(void);
 432 
 433 CMS_ContentInfo *cms_DigestedData_create(const EVP_MD *md);
 434 BIO *cms_DigestedData_init_bio(CMS_ContentInfo *cms);
 435 int cms_DigestedData_do_final(CMS_ContentInfo *cms, BIO *chain, int verify);
 436 
 437 BIO *cms_SignedData_init_bio(CMS_ContentInfo *cms);
 438 int cms_SignedData_final(CMS_ContentInfo *cms, BIO *chain);
 439 int cms_set1_SignerIdentifier(CMS_SignerIdentifier *sid, X509 *cert, int type);
 440 int cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid,
 441                                         ASN1_OCTET_STRING **keyid,
 442                                         X509_NAME **issuer, ASN1_INTEGER **sno);
 443 int cms_SignerIdentifier_cert_cmp(CMS_SignerIdentifier *sid, X509 *cert);
 444 
 445 CMS_ContentInfo *cms_CompressedData_create(int comp_nid);
 446 BIO *cms_CompressedData_init_bio(CMS_ContentInfo *cms);
 447 
 448 void cms_DigestAlgorithm_set(X509_ALGOR *alg, const EVP_MD *md);
 449 BIO *cms_DigestAlgorithm_init_bio(X509_ALGOR *digestAlgorithm);
 450 int cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,
 451                                         X509_ALGOR *mdalg);
 452 
 453 BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec);
 454 BIO *cms_EncryptedData_init_bio(CMS_ContentInfo *cms);
 455 int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec, 
 456                                 const EVP_CIPHER *cipher,
 457                                 const unsigned char *key, size_t keylen);
 458 
 459 int cms_Receipt_verify(CMS_ContentInfo *cms, CMS_ContentInfo *req_cms);
 460 int cms_msgSigDigest_add1(CMS_SignerInfo *dest, CMS_SignerInfo *src);
 461 ASN1_OCTET_STRING *cms_encode_Receipt(CMS_SignerInfo *si);
 462 
 463 BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms);
 464 CMS_EnvelopedData *cms_get0_enveloped(CMS_ContentInfo *cms);
 465 
 466 /* PWRI routines */
 467 int cms_RecipientInfo_pwri_crypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri,
 468                                                         int en_de);
 469         
 470 #ifdef  __cplusplus
 471 }
 472 #endif
 473 #endif