[331] | 1 | /*
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| 2 | * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #ifndef HEADER_CMS_LCL_H
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| 11 | # define HEADER_CMS_LCL_H
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| 12 |
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| 13 | #ifdef __cplusplus
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| 14 | extern "C" {
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| 15 | #endif
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| 16 |
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| 17 | # include <openssl/x509.h>
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| 18 |
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| 19 | /*
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| 20 | * Cryptographic message syntax (CMS) structures: taken from RFC3852
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| 21 | */
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| 22 |
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| 23 | /* Forward references */
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| 24 |
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| 25 | typedef struct CMS_IssuerAndSerialNumber_st CMS_IssuerAndSerialNumber;
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| 26 | typedef struct CMS_EncapsulatedContentInfo_st CMS_EncapsulatedContentInfo;
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| 27 | typedef struct CMS_SignerIdentifier_st CMS_SignerIdentifier;
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| 28 | typedef struct CMS_SignedData_st CMS_SignedData;
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| 29 | typedef struct CMS_OtherRevocationInfoFormat_st CMS_OtherRevocationInfoFormat;
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| 30 | typedef struct CMS_OriginatorInfo_st CMS_OriginatorInfo;
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| 31 | typedef struct CMS_EncryptedContentInfo_st CMS_EncryptedContentInfo;
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| 32 | typedef struct CMS_EnvelopedData_st CMS_EnvelopedData;
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| 33 | typedef struct CMS_DigestedData_st CMS_DigestedData;
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| 34 | typedef struct CMS_EncryptedData_st CMS_EncryptedData;
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| 35 | typedef struct CMS_AuthenticatedData_st CMS_AuthenticatedData;
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| 36 | typedef struct CMS_CompressedData_st CMS_CompressedData;
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| 37 | typedef struct CMS_OtherCertificateFormat_st CMS_OtherCertificateFormat;
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| 38 | typedef struct CMS_KeyTransRecipientInfo_st CMS_KeyTransRecipientInfo;
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| 39 | typedef struct CMS_OriginatorPublicKey_st CMS_OriginatorPublicKey;
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| 40 | typedef struct CMS_OriginatorIdentifierOrKey_st CMS_OriginatorIdentifierOrKey;
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| 41 | typedef struct CMS_KeyAgreeRecipientInfo_st CMS_KeyAgreeRecipientInfo;
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| 42 | typedef struct CMS_RecipientKeyIdentifier_st CMS_RecipientKeyIdentifier;
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| 43 | typedef struct CMS_KeyAgreeRecipientIdentifier_st
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| 44 | CMS_KeyAgreeRecipientIdentifier;
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| 45 | typedef struct CMS_KEKIdentifier_st CMS_KEKIdentifier;
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| 46 | typedef struct CMS_KEKRecipientInfo_st CMS_KEKRecipientInfo;
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| 47 | typedef struct CMS_PasswordRecipientInfo_st CMS_PasswordRecipientInfo;
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| 48 | typedef struct CMS_OtherRecipientInfo_st CMS_OtherRecipientInfo;
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| 49 | typedef struct CMS_ReceiptsFrom_st CMS_ReceiptsFrom;
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| 50 |
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| 51 | struct CMS_ContentInfo_st {
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| 52 | ASN1_OBJECT *contentType;
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| 53 | union {
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| 54 | ASN1_OCTET_STRING *data;
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| 55 | CMS_SignedData *signedData;
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| 56 | CMS_EnvelopedData *envelopedData;
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| 57 | CMS_DigestedData *digestedData;
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| 58 | CMS_EncryptedData *encryptedData;
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| 59 | CMS_AuthenticatedData *authenticatedData;
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| 60 | CMS_CompressedData *compressedData;
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| 61 | ASN1_TYPE *other;
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| 62 | /* Other types ... */
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| 63 | void *otherData;
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| 64 | } d;
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| 65 | };
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| 66 |
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| 67 | DEFINE_STACK_OF(CMS_CertificateChoices)
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| 68 |
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| 69 | struct CMS_SignedData_st {
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| 70 | long version;
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| 71 | STACK_OF(X509_ALGOR) *digestAlgorithms;
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| 72 | CMS_EncapsulatedContentInfo *encapContentInfo;
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| 73 | STACK_OF(CMS_CertificateChoices) *certificates;
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| 74 | STACK_OF(CMS_RevocationInfoChoice) *crls;
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| 75 | STACK_OF(CMS_SignerInfo) *signerInfos;
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| 76 | };
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| 77 |
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| 78 | struct CMS_EncapsulatedContentInfo_st {
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| 79 | ASN1_OBJECT *eContentType;
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| 80 | ASN1_OCTET_STRING *eContent;
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| 81 | /* Set to 1 if incomplete structure only part set up */
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| 82 | int partial;
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| 83 | };
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| 84 |
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| 85 | struct CMS_SignerInfo_st {
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| 86 | long version;
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| 87 | CMS_SignerIdentifier *sid;
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| 88 | X509_ALGOR *digestAlgorithm;
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| 89 | STACK_OF(X509_ATTRIBUTE) *signedAttrs;
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| 90 | X509_ALGOR *signatureAlgorithm;
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| 91 | ASN1_OCTET_STRING *signature;
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| 92 | STACK_OF(X509_ATTRIBUTE) *unsignedAttrs;
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| 93 | /* Signing certificate and key */
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| 94 | X509 *signer;
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| 95 | EVP_PKEY *pkey;
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| 96 | /* Digest and public key context for alternative parameters */
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| 97 | EVP_MD_CTX *mctx;
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| 98 | EVP_PKEY_CTX *pctx;
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| 99 | };
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| 100 |
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| 101 | struct CMS_SignerIdentifier_st {
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| 102 | int type;
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| 103 | union {
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| 104 | CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
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| 105 | ASN1_OCTET_STRING *subjectKeyIdentifier;
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| 106 | } d;
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| 107 | };
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| 108 |
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| 109 | struct CMS_EnvelopedData_st {
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| 110 | long version;
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| 111 | CMS_OriginatorInfo *originatorInfo;
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| 112 | STACK_OF(CMS_RecipientInfo) *recipientInfos;
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| 113 | CMS_EncryptedContentInfo *encryptedContentInfo;
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| 114 | STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
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| 115 | };
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| 116 |
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| 117 | struct CMS_OriginatorInfo_st {
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| 118 | STACK_OF(CMS_CertificateChoices) *certificates;
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| 119 | STACK_OF(CMS_RevocationInfoChoice) *crls;
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| 120 | };
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| 121 |
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| 122 | struct CMS_EncryptedContentInfo_st {
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| 123 | ASN1_OBJECT *contentType;
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| 124 | X509_ALGOR *contentEncryptionAlgorithm;
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| 125 | ASN1_OCTET_STRING *encryptedContent;
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| 126 | /* Content encryption algorithm and key */
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| 127 | const EVP_CIPHER *cipher;
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| 128 | unsigned char *key;
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| 129 | size_t keylen;
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| 130 | /* Set to 1 if we are debugging decrypt and don't fake keys for MMA */
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| 131 | int debug;
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| 132 | };
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| 133 |
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| 134 | struct CMS_RecipientInfo_st {
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| 135 | int type;
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| 136 | union {
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| 137 | CMS_KeyTransRecipientInfo *ktri;
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| 138 | CMS_KeyAgreeRecipientInfo *kari;
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| 139 | CMS_KEKRecipientInfo *kekri;
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| 140 | CMS_PasswordRecipientInfo *pwri;
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| 141 | CMS_OtherRecipientInfo *ori;
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| 142 | } d;
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| 143 | };
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| 144 |
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| 145 | typedef CMS_SignerIdentifier CMS_RecipientIdentifier;
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| 146 |
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| 147 | struct CMS_KeyTransRecipientInfo_st {
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| 148 | long version;
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| 149 | CMS_RecipientIdentifier *rid;
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| 150 | X509_ALGOR *keyEncryptionAlgorithm;
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| 151 | ASN1_OCTET_STRING *encryptedKey;
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| 152 | /* Recipient Key and cert */
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| 153 | X509 *recip;
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| 154 | EVP_PKEY *pkey;
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| 155 | /* Public key context for this operation */
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| 156 | EVP_PKEY_CTX *pctx;
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| 157 | };
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| 158 |
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| 159 | struct CMS_KeyAgreeRecipientInfo_st {
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| 160 | long version;
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| 161 | CMS_OriginatorIdentifierOrKey *originator;
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| 162 | ASN1_OCTET_STRING *ukm;
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| 163 | X509_ALGOR *keyEncryptionAlgorithm;
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| 164 | STACK_OF(CMS_RecipientEncryptedKey) *recipientEncryptedKeys;
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| 165 | /* Public key context associated with current operation */
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| 166 | EVP_PKEY_CTX *pctx;
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| 167 | /* Cipher context for CEK wrapping */
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| 168 | EVP_CIPHER_CTX *ctx;
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| 169 | };
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| 170 |
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| 171 | struct CMS_OriginatorIdentifierOrKey_st {
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| 172 | int type;
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| 173 | union {
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| 174 | CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
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| 175 | ASN1_OCTET_STRING *subjectKeyIdentifier;
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| 176 | CMS_OriginatorPublicKey *originatorKey;
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| 177 | } d;
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| 178 | };
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| 179 |
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| 180 | struct CMS_OriginatorPublicKey_st {
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| 181 | X509_ALGOR *algorithm;
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| 182 | ASN1_BIT_STRING *publicKey;
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| 183 | };
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| 184 |
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| 185 | struct CMS_RecipientEncryptedKey_st {
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| 186 | CMS_KeyAgreeRecipientIdentifier *rid;
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| 187 | ASN1_OCTET_STRING *encryptedKey;
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| 188 | /* Public key associated with this recipient */
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| 189 | EVP_PKEY *pkey;
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| 190 | };
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| 191 |
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| 192 | struct CMS_KeyAgreeRecipientIdentifier_st {
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| 193 | int type;
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| 194 | union {
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| 195 | CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
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| 196 | CMS_RecipientKeyIdentifier *rKeyId;
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| 197 | } d;
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| 198 | };
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| 199 |
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| 200 | struct CMS_RecipientKeyIdentifier_st {
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| 201 | ASN1_OCTET_STRING *subjectKeyIdentifier;
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| 202 | ASN1_GENERALIZEDTIME *date;
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| 203 | CMS_OtherKeyAttribute *other;
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| 204 | };
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| 205 |
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| 206 | struct CMS_KEKRecipientInfo_st {
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| 207 | long version;
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| 208 | CMS_KEKIdentifier *kekid;
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| 209 | X509_ALGOR *keyEncryptionAlgorithm;
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| 210 | ASN1_OCTET_STRING *encryptedKey;
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| 211 | /* Extra info: symmetric key to use */
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| 212 | unsigned char *key;
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| 213 | size_t keylen;
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| 214 | };
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| 215 |
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| 216 | struct CMS_KEKIdentifier_st {
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| 217 | ASN1_OCTET_STRING *keyIdentifier;
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| 218 | ASN1_GENERALIZEDTIME *date;
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| 219 | CMS_OtherKeyAttribute *other;
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| 220 | };
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| 221 |
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| 222 | struct CMS_PasswordRecipientInfo_st {
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| 223 | long version;
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| 224 | X509_ALGOR *keyDerivationAlgorithm;
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| 225 | X509_ALGOR *keyEncryptionAlgorithm;
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| 226 | ASN1_OCTET_STRING *encryptedKey;
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| 227 | /* Extra info: password to use */
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| 228 | unsigned char *pass;
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| 229 | size_t passlen;
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| 230 | };
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| 231 |
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| 232 | struct CMS_OtherRecipientInfo_st {
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| 233 | ASN1_OBJECT *oriType;
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| 234 | ASN1_TYPE *oriValue;
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| 235 | };
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| 236 |
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| 237 | struct CMS_DigestedData_st {
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| 238 | long version;
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| 239 | X509_ALGOR *digestAlgorithm;
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| 240 | CMS_EncapsulatedContentInfo *encapContentInfo;
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| 241 | ASN1_OCTET_STRING *digest;
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| 242 | };
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| 243 |
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| 244 | struct CMS_EncryptedData_st {
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| 245 | long version;
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| 246 | CMS_EncryptedContentInfo *encryptedContentInfo;
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| 247 | STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
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| 248 | };
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| 249 |
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| 250 | struct CMS_AuthenticatedData_st {
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| 251 | long version;
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| 252 | CMS_OriginatorInfo *originatorInfo;
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| 253 | STACK_OF(CMS_RecipientInfo) *recipientInfos;
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| 254 | X509_ALGOR *macAlgorithm;
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| 255 | X509_ALGOR *digestAlgorithm;
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| 256 | CMS_EncapsulatedContentInfo *encapContentInfo;
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| 257 | STACK_OF(X509_ATTRIBUTE) *authAttrs;
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| 258 | ASN1_OCTET_STRING *mac;
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| 259 | STACK_OF(X509_ATTRIBUTE) *unauthAttrs;
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| 260 | };
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| 261 |
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| 262 | struct CMS_CompressedData_st {
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| 263 | long version;
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| 264 | X509_ALGOR *compressionAlgorithm;
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| 265 | STACK_OF(CMS_RecipientInfo) *recipientInfos;
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| 266 | CMS_EncapsulatedContentInfo *encapContentInfo;
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| 267 | };
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| 268 |
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| 269 | struct CMS_RevocationInfoChoice_st {
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| 270 | int type;
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| 271 | union {
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| 272 | X509_CRL *crl;
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| 273 | CMS_OtherRevocationInfoFormat *other;
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| 274 | } d;
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| 275 | };
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| 276 |
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| 277 | # define CMS_REVCHOICE_CRL 0
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| 278 | # define CMS_REVCHOICE_OTHER 1
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| 279 |
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| 280 | struct CMS_OtherRevocationInfoFormat_st {
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| 281 | ASN1_OBJECT *otherRevInfoFormat;
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| 282 | ASN1_TYPE *otherRevInfo;
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| 283 | };
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| 284 |
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| 285 | struct CMS_CertificateChoices {
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| 286 | int type;
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| 287 | union {
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| 288 | X509 *certificate;
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| 289 | ASN1_STRING *extendedCertificate; /* Obsolete */
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| 290 | ASN1_STRING *v1AttrCert; /* Left encoded for now */
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| 291 | ASN1_STRING *v2AttrCert; /* Left encoded for now */
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| 292 | CMS_OtherCertificateFormat *other;
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| 293 | } d;
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| 294 | };
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| 295 |
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| 296 | # define CMS_CERTCHOICE_CERT 0
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| 297 | # define CMS_CERTCHOICE_EXCERT 1
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| 298 | # define CMS_CERTCHOICE_V1ACERT 2
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| 299 | # define CMS_CERTCHOICE_V2ACERT 3
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| 300 | # define CMS_CERTCHOICE_OTHER 4
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| 301 |
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| 302 | struct CMS_OtherCertificateFormat_st {
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| 303 | ASN1_OBJECT *otherCertFormat;
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| 304 | ASN1_TYPE *otherCert;
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| 305 | };
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| 306 |
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| 307 | /*
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| 308 | * This is also defined in pkcs7.h but we duplicate it to allow the CMS code
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| 309 | * to be independent of PKCS#7
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| 310 | */
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| 311 |
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| 312 | struct CMS_IssuerAndSerialNumber_st {
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| 313 | X509_NAME *issuer;
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| 314 | ASN1_INTEGER *serialNumber;
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| 315 | };
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| 316 |
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| 317 | struct CMS_OtherKeyAttribute_st {
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| 318 | ASN1_OBJECT *keyAttrId;
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| 319 | ASN1_TYPE *keyAttr;
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| 320 | };
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| 321 |
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| 322 | /* ESS structures */
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| 323 |
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| 324 | # ifdef HEADER_X509V3_H
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| 325 |
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| 326 | struct CMS_ReceiptRequest_st {
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| 327 | ASN1_OCTET_STRING *signedContentIdentifier;
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| 328 | CMS_ReceiptsFrom *receiptsFrom;
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| 329 | STACK_OF(GENERAL_NAMES) *receiptsTo;
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| 330 | };
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| 331 |
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| 332 | struct CMS_ReceiptsFrom_st {
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| 333 | int type;
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| 334 | union {
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| 335 | long allOrFirstTier;
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| 336 | STACK_OF(GENERAL_NAMES) *receiptList;
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| 337 | } d;
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| 338 | };
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| 339 | # endif
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| 340 |
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| 341 | struct CMS_Receipt_st {
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| 342 | long version;
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| 343 | ASN1_OBJECT *contentType;
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| 344 | ASN1_OCTET_STRING *signedContentIdentifier;
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| 345 | ASN1_OCTET_STRING *originatorSignatureValue;
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| 346 | };
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| 347 |
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| 348 | DECLARE_ASN1_FUNCTIONS(CMS_ContentInfo)
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| 349 | DECLARE_ASN1_ITEM(CMS_SignerInfo)
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| 350 | DECLARE_ASN1_ITEM(CMS_IssuerAndSerialNumber)
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| 351 | DECLARE_ASN1_ITEM(CMS_Attributes_Sign)
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| 352 | DECLARE_ASN1_ITEM(CMS_Attributes_Verify)
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| 353 | DECLARE_ASN1_ITEM(CMS_RecipientInfo)
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| 354 | DECLARE_ASN1_ITEM(CMS_PasswordRecipientInfo)
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| 355 | DECLARE_ASN1_ALLOC_FUNCTIONS(CMS_IssuerAndSerialNumber)
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| 356 |
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| 357 | # define CMS_SIGNERINFO_ISSUER_SERIAL 0
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| 358 | # define CMS_SIGNERINFO_KEYIDENTIFIER 1
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| 359 |
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| 360 | # define CMS_RECIPINFO_ISSUER_SERIAL 0
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| 361 | # define CMS_RECIPINFO_KEYIDENTIFIER 1
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| 362 |
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| 363 | # define CMS_REK_ISSUER_SERIAL 0
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| 364 | # define CMS_REK_KEYIDENTIFIER 1
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| 365 |
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| 366 | # define CMS_OIK_ISSUER_SERIAL 0
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| 367 | # define CMS_OIK_KEYIDENTIFIER 1
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| 368 | # define CMS_OIK_PUBKEY 2
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| 369 |
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| 370 | BIO *cms_content_bio(CMS_ContentInfo *cms);
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| 371 |
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| 372 | CMS_ContentInfo *cms_Data_create(void);
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| 373 |
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| 374 | CMS_ContentInfo *cms_DigestedData_create(const EVP_MD *md);
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| 375 | BIO *cms_DigestedData_init_bio(CMS_ContentInfo *cms);
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| 376 | int cms_DigestedData_do_final(CMS_ContentInfo *cms, BIO *chain, int verify);
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| 377 |
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| 378 | BIO *cms_SignedData_init_bio(CMS_ContentInfo *cms);
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| 379 | int cms_SignedData_final(CMS_ContentInfo *cms, BIO *chain);
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| 380 | int cms_set1_SignerIdentifier(CMS_SignerIdentifier *sid, X509 *cert,
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| 381 | int type);
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| 382 | int cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid,
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| 383 | ASN1_OCTET_STRING **keyid,
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| 384 | X509_NAME **issuer,
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| 385 | ASN1_INTEGER **sno);
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| 386 | int cms_SignerIdentifier_cert_cmp(CMS_SignerIdentifier *sid, X509 *cert);
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| 387 |
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| 388 | CMS_ContentInfo *cms_CompressedData_create(int comp_nid);
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| 389 | BIO *cms_CompressedData_init_bio(CMS_ContentInfo *cms);
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| 390 |
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| 391 | BIO *cms_DigestAlgorithm_init_bio(X509_ALGOR *digestAlgorithm);
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| 392 | int cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,
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| 393 | X509_ALGOR *mdalg);
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| 394 |
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| 395 | int cms_ias_cert_cmp(CMS_IssuerAndSerialNumber *ias, X509 *cert);
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| 396 | int cms_keyid_cert_cmp(ASN1_OCTET_STRING *keyid, X509 *cert);
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| 397 | int cms_set1_ias(CMS_IssuerAndSerialNumber **pias, X509 *cert);
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| 398 | int cms_set1_keyid(ASN1_OCTET_STRING **pkeyid, X509 *cert);
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| 399 |
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| 400 | BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec);
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| 401 | BIO *cms_EncryptedData_init_bio(CMS_ContentInfo *cms);
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| 402 | int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec,
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| 403 | const EVP_CIPHER *cipher,
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| 404 | const unsigned char *key, size_t keylen);
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| 405 |
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| 406 | int cms_Receipt_verify(CMS_ContentInfo *cms, CMS_ContentInfo *req_cms);
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| 407 | int cms_msgSigDigest_add1(CMS_SignerInfo *dest, CMS_SignerInfo *src);
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| 408 | ASN1_OCTET_STRING *cms_encode_Receipt(CMS_SignerInfo *si);
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| 409 |
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| 410 | BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms);
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| 411 | CMS_EnvelopedData *cms_get0_enveloped(CMS_ContentInfo *cms);
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| 412 | int cms_env_asn1_ctrl(CMS_RecipientInfo *ri, int cmd);
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| 413 | int cms_pkey_get_ri_type(EVP_PKEY *pk);
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| 414 | /* KARI routines */
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| 415 | int cms_RecipientInfo_kari_init(CMS_RecipientInfo *ri, X509 *recip,
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| 416 | EVP_PKEY *pk, unsigned int flags);
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| 417 | int cms_RecipientInfo_kari_encrypt(CMS_ContentInfo *cms,
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| 418 | CMS_RecipientInfo *ri);
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| 419 |
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| 420 | /* PWRI routines */
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| 421 | int cms_RecipientInfo_pwri_crypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri,
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| 422 | int en_de);
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| 423 |
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| 424 | DECLARE_ASN1_ITEM(CMS_CertificateChoices)
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| 425 | DECLARE_ASN1_ITEM(CMS_DigestedData)
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| 426 | DECLARE_ASN1_ITEM(CMS_EncryptedData)
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| 427 | DECLARE_ASN1_ITEM(CMS_EnvelopedData)
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| 428 | DECLARE_ASN1_ITEM(CMS_KEKRecipientInfo)
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| 429 | DECLARE_ASN1_ITEM(CMS_KeyAgreeRecipientInfo)
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| 430 | DECLARE_ASN1_ITEM(CMS_KeyTransRecipientInfo)
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| 431 | DECLARE_ASN1_ITEM(CMS_OriginatorPublicKey)
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| 432 | DECLARE_ASN1_ITEM(CMS_OtherKeyAttribute)
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| 433 | DECLARE_ASN1_ITEM(CMS_Receipt)
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| 434 | DECLARE_ASN1_ITEM(CMS_ReceiptRequest)
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| 435 | DECLARE_ASN1_ITEM(CMS_RecipientEncryptedKey)
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| 436 | DECLARE_ASN1_ITEM(CMS_RecipientKeyIdentifier)
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| 437 | DECLARE_ASN1_ITEM(CMS_RevocationInfoChoice)
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| 438 | DECLARE_ASN1_ITEM(CMS_SignedData)
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| 439 | DECLARE_ASN1_ITEM(CMS_CompressedData)
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| 440 |
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| 441 | #ifdef __cplusplus
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| 442 | }
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| 443 | #endif
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| 444 | #endif
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