crypto/cms/cms_lcl.h

   1 /*
   2  * Copyright 2008-2018 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 HEADER_CMS_LCL_H
  11 # define HEADER_CMS_LCL_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_SignedData_st CMS_SignedData;
  25 typedef struct CMS_OtherRevocationInfoFormat_st CMS_OtherRevocationInfoFormat;
  26 typedef struct CMS_OriginatorInfo_st CMS_OriginatorInfo;
  27 typedef struct CMS_EncryptedContentInfo_st CMS_EncryptedContentInfo;
  28 typedef struct CMS_EnvelopedData_st CMS_EnvelopedData;
  29 typedef struct CMS_DigestedData_st CMS_DigestedData;
  30 typedef struct CMS_EncryptedData_st CMS_EncryptedData;
  31 typedef struct CMS_AuthenticatedData_st CMS_AuthenticatedData;
  32 typedef struct CMS_CompressedData_st CMS_CompressedData;
  33 typedef struct CMS_OtherCertificateFormat_st CMS_OtherCertificateFormat;
  34 typedef struct CMS_KeyTransRecipientInfo_st CMS_KeyTransRecipientInfo;
  35 typedef struct CMS_OriginatorPublicKey_st CMS_OriginatorPublicKey;
  36 typedef struct CMS_OriginatorIdentifierOrKey_st CMS_OriginatorIdentifierOrKey;
  37 typedef struct CMS_KeyAgreeRecipientInfo_st CMS_KeyAgreeRecipientInfo;
  38 typedef struct CMS_RecipientKeyIdentifier_st CMS_RecipientKeyIdentifier;
  39 typedef struct CMS_KeyAgreeRecipientIdentifier_st
  40     CMS_KeyAgreeRecipientIdentifier;
  41 typedef struct CMS_KEKIdentifier_st CMS_KEKIdentifier;
  42 typedef struct CMS_KEKRecipientInfo_st CMS_KEKRecipientInfo;
  43 typedef struct CMS_PasswordRecipientInfo_st CMS_PasswordRecipientInfo;
  44 typedef struct CMS_OtherRecipientInfo_st CMS_OtherRecipientInfo;
  45 typedef struct CMS_ReceiptsFrom_st CMS_ReceiptsFrom;
  46
  47 struct CMS_ContentInfo_st {
  48     ASN1_OBJECT *contentType;
  49     union {
  50         ASN1_OCTET_STRING *data;
  51         CMS_SignedData *signedData;
  52         CMS_EnvelopedData *envelopedData;
  53         CMS_DigestedData *digestedData;
  54         CMS_EncryptedData *encryptedData;
  55         CMS_AuthenticatedData *authenticatedData;
  56         CMS_CompressedData *compressedData;
  57         ASN1_TYPE *other;
  58         /* Other types ... */
  59         void *otherData;
  60     } d;
  61 };
  62
  63 DEFINE_STACK_OF(CMS_CertificateChoices)
  64
  65 struct CMS_SignedData_st {
  66     int32_t version;
  67     STACK_OF(X509_ALGOR) *digestAlgorithms;
  68     CMS_EncapsulatedContentInfo *encapContentInfo;
  69     STACK_OF(CMS_CertificateChoices) *certificates;
  70     STACK_OF(CMS_RevocationInfoChoice) *crls;
  71     STACK_OF(CMS_SignerInfo) *signerInfos;
  72 };
  73
  74 struct CMS_EncapsulatedContentInfo_st {
  75     ASN1_OBJECT *eContentType;
  76     ASN1_OCTET_STRING *eContent;
  77     /* Set to 1 if incomplete structure only part set up */
  78     int partial;
  79 };
  80
  81 struct CMS_SignerInfo_st {
  82     int32_t version;
  83     CMS_SignerIdentifier *sid;
  84     X509_ALGOR *digestAlgorithm;
  85     STACK_OF(X509_ATTRIBUTE) *signedAttrs;
  86     X509_ALGOR *signatureAlgorithm;
  87     ASN1_OCTET_STRING *signature;
  88     STACK_OF(X509_ATTRIBUTE) *unsignedAttrs;
  89     /* Signing certificate and key */
  90     X509 *signer;
  91     EVP_PKEY *pkey;
  92     /* Digest and public key context for alternative parameters */
  93     EVP_MD_CTX *mctx;
  94     EVP_PKEY_CTX *pctx;
  95 };
  96
  97 struct CMS_SignerIdentifier_st {
  98     int type;
  99     union {
 100         CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
 101         ASN1_OCTET_STRING *subjectKeyIdentifier;
 102     } d;
 103 };
 104
 105 struct CMS_EnvelopedData_st {
 106     int32_t version;
 107     CMS_OriginatorInfo *originatorInfo;
 108     STACK_OF(CMS_RecipientInfo) *recipientInfos;
 109     CMS_EncryptedContentInfo *encryptedContentInfo;
 110     STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
 111 };
 112
 113 struct CMS_OriginatorInfo_st {
 114     STACK_OF(CMS_CertificateChoices) *certificates;
 115     STACK_OF(CMS_RevocationInfoChoice) *crls;
 116 };
 117
 118 struct CMS_EncryptedContentInfo_st {
 119     ASN1_OBJECT *contentType;
 120     X509_ALGOR *contentEncryptionAlgorithm;
 121     ASN1_OCTET_STRING *encryptedContent;
 122     /* Content encryption algorithm and key */
 123     const EVP_CIPHER *cipher;
 124     unsigned char *key;
 125     size_t keylen;
 126     /* Set to 1 if we are debugging decrypt and don't fake keys for MMA */
 127     int debug;
 128     /* Set to 1 if we have no cert and need extra safety measures for MMA */
 129     int havenocert;
 130 };
 131
 132 struct CMS_RecipientInfo_st {
 133     int type;
 134     union {
 135         CMS_KeyTransRecipientInfo *ktri;
 136         CMS_KeyAgreeRecipientInfo *kari;
 137         CMS_KEKRecipientInfo *kekri;
 138         CMS_PasswordRecipientInfo *pwri;
 139         CMS_OtherRecipientInfo *ori;
 140     } d;
 141 };
 142
 143 typedef CMS_SignerIdentifier CMS_RecipientIdentifier;
 144
 145 struct CMS_KeyTransRecipientInfo_st {
 146     int32_t version;
 147     CMS_RecipientIdentifier *rid;
 148     X509_ALGOR *keyEncryptionAlgorithm;
 149     ASN1_OCTET_STRING *encryptedKey;
 150     /* Recipient Key and cert */
 151     X509 *recip;
 152     EVP_PKEY *pkey;
 153     /* Public key context for this operation */
 154     EVP_PKEY_CTX *pctx;
 155 };
 156
 157 struct CMS_KeyAgreeRecipientInfo_st {
 158     int32_t version;
 159     CMS_OriginatorIdentifierOrKey *originator;
 160     ASN1_OCTET_STRING *ukm;
 161     X509_ALGOR *keyEncryptionAlgorithm;
 162     STACK_OF(CMS_RecipientEncryptedKey) *recipientEncryptedKeys;
 163     /* Public key context associated with current operation */
 164     EVP_PKEY_CTX *pctx;
 165     /* Cipher context for CEK wrapping */
 166     EVP_CIPHER_CTX *ctx;
 167 };
 168
 169 struct CMS_OriginatorIdentifierOrKey_st {
 170     int type;
 171     union {
 172         CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
 173         ASN1_OCTET_STRING *subjectKeyIdentifier;
 174         CMS_OriginatorPublicKey *originatorKey;
 175     } d;
 176 };
 177
 178 struct CMS_OriginatorPublicKey_st {
 179     X509_ALGOR *algorithm;
 180     ASN1_BIT_STRING *publicKey;
 181 };
 182
 183 struct CMS_RecipientEncryptedKey_st {
 184     CMS_KeyAgreeRecipientIdentifier *rid;
 185     ASN1_OCTET_STRING *encryptedKey;
 186     /* Public key associated with this recipient */
 187     EVP_PKEY *pkey;
 188 };
 189
 190 struct CMS_KeyAgreeRecipientIdentifier_st {
 191     int type;
 192     union {
 193         CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
 194         CMS_RecipientKeyIdentifier *rKeyId;
 195     } d;
 196 };
 197
 198 struct CMS_RecipientKeyIdentifier_st {
 199     ASN1_OCTET_STRING *subjectKeyIdentifier;
 200     ASN1_GENERALIZEDTIME *date;
 201     CMS_OtherKeyAttribute *other;
 202 };
 203
 204 struct CMS_KEKRecipientInfo_st {
 205     int32_t version;
 206     CMS_KEKIdentifier *kekid;
 207     X509_ALGOR *keyEncryptionAlgorithm;
 208     ASN1_OCTET_STRING *encryptedKey;
 209     /* Extra info: symmetric key to use */
 210     unsigned char *key;
 211     size_t keylen;
 212 };
 213
 214 struct CMS_KEKIdentifier_st {
 215     ASN1_OCTET_STRING *keyIdentifier;
 216     ASN1_GENERALIZEDTIME *date;
 217     CMS_OtherKeyAttribute *other;
 218 };
 219
 220 struct CMS_PasswordRecipientInfo_st {
 221     int32_t version;
 222     X509_ALGOR *keyDerivationAlgorithm;
 223     X509_ALGOR *keyEncryptionAlgorithm;
 224     ASN1_OCTET_STRING *encryptedKey;
 225     /* Extra info: password to use */
 226     unsigned char *pass;
 227     size_t passlen;
 228 };
 229
 230 struct CMS_OtherRecipientInfo_st {
 231     ASN1_OBJECT *oriType;
 232     ASN1_TYPE *oriValue;
 233 };
 234
 235 struct CMS_DigestedData_st {
 236     int32_t version;
 237     X509_ALGOR *digestAlgorithm;
 238     CMS_EncapsulatedContentInfo *encapContentInfo;
 239     ASN1_OCTET_STRING *digest;
 240 };
 241
 242 struct CMS_EncryptedData_st {
 243     int32_t version;
 244     CMS_EncryptedContentInfo *encryptedContentInfo;
 245     STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
 246 };
 247
 248 struct CMS_AuthenticatedData_st {
 249     int32_t version;
 250     CMS_OriginatorInfo *originatorInfo;
 251     STACK_OF(CMS_RecipientInfo) *recipientInfos;
 252     X509_ALGOR *macAlgorithm;
 253     X509_ALGOR *digestAlgorithm;
 254     CMS_EncapsulatedContentInfo *encapContentInfo;
 255     STACK_OF(X509_ATTRIBUTE) *authAttrs;
 256     ASN1_OCTET_STRING *mac;
 257     STACK_OF(X509_ATTRIBUTE) *unauthAttrs;
 258 };
 259
 260 struct CMS_CompressedData_st {
 261     int32_t version;
 262     X509_ALGOR *compressionAlgorithm;
 263     STACK_OF(CMS_RecipientInfo) *recipientInfos;
 264     CMS_EncapsulatedContentInfo *encapContentInfo;
 265 };
 266
 267 struct CMS_RevocationInfoChoice_st {
 268     int type;
 269     union {
 270         X509_CRL *crl;
 271         CMS_OtherRevocationInfoFormat *other;
 272     } d;
 273 };
 274
 275 # define CMS_REVCHOICE_CRL               0
 276 # define CMS_REVCHOICE_OTHER             1
 277
 278 struct CMS_OtherRevocationInfoFormat_st {
 279     ASN1_OBJECT *otherRevInfoFormat;
 280     ASN1_TYPE *otherRevInfo;
 281 };
 282
 283 struct CMS_CertificateChoices {
 284     int type;
 285     union {
 286         X509 *certificate;
 287         ASN1_STRING *extendedCertificate; /* Obsolete */
 288         ASN1_STRING *v1AttrCert; /* Left encoded for now */
 289         ASN1_STRING *v2AttrCert; /* Left encoded for now */
 290         CMS_OtherCertificateFormat *other;
 291     } d;
 292 };
 293
 294 # define CMS_CERTCHOICE_CERT             0
 295 # define CMS_CERTCHOICE_EXCERT           1
 296 # define CMS_CERTCHOICE_V1ACERT          2
 297 # define CMS_CERTCHOICE_V2ACERT          3
 298 # define CMS_CERTCHOICE_OTHER            4
 299
 300 struct CMS_OtherCertificateFormat_st {
 301     ASN1_OBJECT *otherCertFormat;
 302     ASN1_TYPE *otherCert;
 303 };
 304
 305 /*
 306  * This is also defined in pkcs7.h but we duplicate it to allow the CMS code
 307  * to be independent of PKCS#7
 308  */
 309
 310 struct CMS_IssuerAndSerialNumber_st {
 311     X509_NAME *issuer;
 312     ASN1_INTEGER *serialNumber;
 313 };
 314
 315 struct CMS_OtherKeyAttribute_st {
 316     ASN1_OBJECT *keyAttrId;
 317     ASN1_TYPE *keyAttr;
 318 };
 319
 320 /* ESS structures */
 321
 322 struct CMS_ReceiptRequest_st {
 323     ASN1_OCTET_STRING *signedContentIdentifier;
 324     CMS_ReceiptsFrom *receiptsFrom;
 325     STACK_OF(GENERAL_NAMES) *receiptsTo;
 326 };
 327
 328 struct CMS_ReceiptsFrom_st {
 329     int type;
 330     union {
 331         int32_t allOrFirstTier;
 332         STACK_OF(GENERAL_NAMES) *receiptList;
 333     } d;
 334 };
 335
 336 struct CMS_Receipt_st {
 337     int32_t version;
 338     ASN1_OBJECT *contentType;
 339     ASN1_OCTET_STRING *signedContentIdentifier;
 340     ASN1_OCTET_STRING *originatorSignatureValue;
 341 };
 342
 343 DECLARE_ASN1_FUNCTIONS(CMS_ContentInfo)
 344 DECLARE_ASN1_ITEM(CMS_SignerInfo)
 345 DECLARE_ASN1_ITEM(CMS_IssuerAndSerialNumber)
 346 DECLARE_ASN1_ITEM(CMS_Attributes_Sign)
 347 DECLARE_ASN1_ITEM(CMS_Attributes_Verify)
 348 DECLARE_ASN1_ITEM(CMS_RecipientInfo)
 349 DECLARE_ASN1_ITEM(CMS_PasswordRecipientInfo)
 350 DECLARE_ASN1_ALLOC_FUNCTIONS(CMS_IssuerAndSerialNumber)
 351
 352 # define CMS_SIGNERINFO_ISSUER_SERIAL    0
 353 # define CMS_SIGNERINFO_KEYIDENTIFIER    1
 354
 355 # define CMS_RECIPINFO_ISSUER_SERIAL     0
 356 # define CMS_RECIPINFO_KEYIDENTIFIER     1
 357
 358 # define CMS_REK_ISSUER_SERIAL           0
 359 # define CMS_REK_KEYIDENTIFIER           1
 360
 361 # define CMS_OIK_ISSUER_SERIAL           0
 362 # define CMS_OIK_KEYIDENTIFIER           1
 363 # define CMS_OIK_PUBKEY                  2
 364
 365 BIO *cms_content_bio(CMS_ContentInfo *cms);
 366
 367 CMS_ContentInfo *cms_Data_create(void);
 368
 369 CMS_ContentInfo *cms_DigestedData_create(const EVP_MD *md);
 370 BIO *cms_DigestedData_init_bio(const CMS_ContentInfo *cms);
 371 int cms_DigestedData_do_final(const CMS_ContentInfo *cms, BIO *chain, int verify);
 372
 373 BIO *cms_SignedData_init_bio(CMS_ContentInfo *cms);
 374 int cms_SignedData_final(CMS_ContentInfo *cms, BIO *chain);
 375 int cms_set1_SignerIdentifier(CMS_SignerIdentifier *sid, X509 *cert,
 376                               int type);
 377 int cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid,
 378                                         ASN1_OCTET_STRING **keyid,
 379                                         X509_NAME **issuer,
 380                                         ASN1_INTEGER **sno);
 381 int cms_SignerIdentifier_cert_cmp(CMS_SignerIdentifier *sid, X509 *cert);
 382
 383 CMS_ContentInfo *cms_CompressedData_create(int comp_nid);
 384 BIO *cms_CompressedData_init_bio(const CMS_ContentInfo *cms);
 385
 386 BIO *cms_DigestAlgorithm_init_bio(X509_ALGOR *digestAlgorithm);
 387 int cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,
 388                                  X509_ALGOR *mdalg);
 389
 390 int cms_ias_cert_cmp(CMS_IssuerAndSerialNumber *ias, X509 *cert);
 391 int cms_keyid_cert_cmp(ASN1_OCTET_STRING *keyid, X509 *cert);
 392 int cms_set1_ias(CMS_IssuerAndSerialNumber **pias, X509 *cert);
 393 int cms_set1_keyid(ASN1_OCTET_STRING **pkeyid, X509 *cert);
 394
 395 BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec);
 396 BIO *cms_EncryptedData_init_bio(const CMS_ContentInfo *cms);
 397 int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec,
 398                               const EVP_CIPHER *cipher,
 399                               const unsigned char *key, size_t keylen);
 400
 401 int cms_Receipt_verify(CMS_ContentInfo *cms, CMS_ContentInfo *req_cms);
 402 int cms_msgSigDigest_add1(CMS_SignerInfo *dest, CMS_SignerInfo *src);
 403 ASN1_OCTET_STRING *cms_encode_Receipt(CMS_SignerInfo *si);
 404
 405 BIO *cms_EnvelopedData_init_bio(const CMS_ContentInfo *cms);
 406 CMS_EnvelopedData *cms_get0_enveloped(CMS_ContentInfo *cms);
 407 int cms_env_asn1_ctrl(CMS_RecipientInfo *ri, int cmd);
 408 int cms_pkey_get_ri_type(EVP_PKEY *pk);
 409 /* KARI routines */
 410 int cms_RecipientInfo_kari_init(CMS_RecipientInfo *ri, X509 *recip,
 411                                 EVP_PKEY *pk, unsigned int flags);
 412 int cms_RecipientInfo_kari_encrypt(const CMS_ContentInfo *cms,
 413                                    CMS_RecipientInfo *ri);
 414
 415 /* PWRI routines */
 416 int cms_RecipientInfo_pwri_crypt(const CMS_ContentInfo *cms, CMS_RecipientInfo *ri,
 417                                  int en_de);
 418 /* SignerInfo routines */
 419 int CMS_si_check_attributes(const CMS_SignerInfo *si);
 420
 421 DECLARE_ASN1_ITEM(CMS_CertificateChoices)
 422 DECLARE_ASN1_ITEM(CMS_DigestedData)
 423 DECLARE_ASN1_ITEM(CMS_EncryptedData)
 424 DECLARE_ASN1_ITEM(CMS_EnvelopedData)
 425 DECLARE_ASN1_ITEM(CMS_KEKRecipientInfo)
 426 DECLARE_ASN1_ITEM(CMS_KeyAgreeRecipientInfo)
 427 DECLARE_ASN1_ITEM(CMS_KeyTransRecipientInfo)
 428 DECLARE_ASN1_ITEM(CMS_OriginatorPublicKey)
 429 DECLARE_ASN1_ITEM(CMS_OtherKeyAttribute)
 430 DECLARE_ASN1_ITEM(CMS_Receipt)
 431 DECLARE_ASN1_ITEM(CMS_ReceiptRequest)
 432 DECLARE_ASN1_ITEM(CMS_RecipientEncryptedKey)
 433 DECLARE_ASN1_ITEM(CMS_RecipientKeyIdentifier)
 434 DECLARE_ASN1_ITEM(CMS_RevocationInfoChoice)
 435 DECLARE_ASN1_ITEM(CMS_SignedData)
 436 DECLARE_ASN1_ITEM(CMS_CompressedData)
 437
 438 #endif