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/*
* Copyright 2008-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OSSL_CRYPTO_CMS_LOCAL_H
# define OSSL_CRYPTO_CMS_LOCAL_H
# include <openssl/x509.h>
/*
* Cryptographic message syntax (CMS) structures: taken from RFC3852
*/
/* Forward references */
typedef struct CMS_IssuerAndSerialNumber_st CMS_IssuerAndSerialNumber;
typedef struct CMS_EncapsulatedContentInfo_st CMS_EncapsulatedContentInfo;
typedef struct CMS_SignerIdentifier_st CMS_SignerIdentifier;
typedef struct CMS_SignedData_st CMS_SignedData;
typedef struct CMS_OtherRevocationInfoFormat_st CMS_OtherRevocationInfoFormat;
typedef struct CMS_OriginatorInfo_st CMS_OriginatorInfo;
typedef struct CMS_EncryptedContentInfo_st CMS_EncryptedContentInfo;
typedef struct CMS_EnvelopedData_st CMS_EnvelopedData;
typedef struct CMS_DigestedData_st CMS_DigestedData;
typedef struct CMS_EncryptedData_st CMS_EncryptedData;
typedef struct CMS_AuthenticatedData_st CMS_AuthenticatedData;
typedef struct CMS_AuthEnvelopedData_st CMS_AuthEnvelopedData;
typedef struct CMS_CompressedData_st CMS_CompressedData;
typedef struct CMS_OtherCertificateFormat_st CMS_OtherCertificateFormat;
typedef struct CMS_KeyTransRecipientInfo_st CMS_KeyTransRecipientInfo;
typedef struct CMS_OriginatorPublicKey_st CMS_OriginatorPublicKey;
typedef struct CMS_OriginatorIdentifierOrKey_st CMS_OriginatorIdentifierOrKey;
typedef struct CMS_KeyAgreeRecipientInfo_st CMS_KeyAgreeRecipientInfo;
typedef struct CMS_RecipientKeyIdentifier_st CMS_RecipientKeyIdentifier;
typedef struct CMS_KeyAgreeRecipientIdentifier_st
CMS_KeyAgreeRecipientIdentifier;
typedef struct CMS_KEKIdentifier_st CMS_KEKIdentifier;
typedef struct CMS_KEKRecipientInfo_st CMS_KEKRecipientInfo;
typedef struct CMS_PasswordRecipientInfo_st CMS_PasswordRecipientInfo;
typedef struct CMS_OtherRecipientInfo_st CMS_OtherRecipientInfo;
typedef struct CMS_ReceiptsFrom_st CMS_ReceiptsFrom;
typedef struct CMS_CTX_st CMS_CTX;
struct CMS_CTX_st {
OSSL_LIB_CTX *libctx;
char *propq;
};
struct CMS_ContentInfo_st {
ASN1_OBJECT *contentType;
union {
ASN1_OCTET_STRING *data;
CMS_SignedData *signedData;
CMS_EnvelopedData *envelopedData;
CMS_DigestedData *digestedData;
CMS_EncryptedData *encryptedData;
CMS_AuthEnvelopedData *authEnvelopedData;
CMS_AuthenticatedData *authenticatedData;
CMS_CompressedData *compressedData;
ASN1_TYPE *other;
/* Other types ... */
void *otherData;
} d;
CMS_CTX ctx;
};
DEFINE_STACK_OF(CMS_CertificateChoices)
struct CMS_SignedData_st {
int32_t version;
STACK_OF(X509_ALGOR) *digestAlgorithms;
CMS_EncapsulatedContentInfo *encapContentInfo;
STACK_OF(CMS_CertificateChoices) *certificates;
STACK_OF(CMS_RevocationInfoChoice) *crls;
STACK_OF(CMS_SignerInfo) *signerInfos;
};
struct CMS_EncapsulatedContentInfo_st {
ASN1_OBJECT *eContentType;
ASN1_OCTET_STRING *eContent;
/* Set to 1 if incomplete structure only part set up */
int partial;
};
struct CMS_SignerInfo_st {
int32_t version;
CMS_SignerIdentifier *sid;
X509_ALGOR *digestAlgorithm;
STACK_OF(X509_ATTRIBUTE) *signedAttrs;
X509_ALGOR *signatureAlgorithm;
ASN1_OCTET_STRING *signature;
STACK_OF(X509_ATTRIBUTE) *unsignedAttrs;
/* Signing certificate and key */
X509 *signer;
EVP_PKEY *pkey;
/* Digest and public key context for alternative parameters */
EVP_MD_CTX *mctx;
EVP_PKEY_CTX *pctx;
const CMS_CTX *cms_ctx;
};
struct CMS_SignerIdentifier_st {
int type;
union {
CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
ASN1_OCTET_STRING *subjectKeyIdentifier;
} d;
};
struct CMS_EnvelopedData_st {
int32_t version;
CMS_OriginatorInfo *originatorInfo;
STACK_OF(CMS_RecipientInfo) *recipientInfos;
CMS_EncryptedContentInfo *encryptedContentInfo;
STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
};
struct CMS_OriginatorInfo_st {
STACK_OF(CMS_CertificateChoices) *certificates;
STACK_OF(CMS_RevocationInfoChoice) *crls;
};
struct CMS_EncryptedContentInfo_st {
ASN1_OBJECT *contentType;
X509_ALGOR *contentEncryptionAlgorithm;
ASN1_OCTET_STRING *encryptedContent;
/* Content encryption algorithm, key and tag */
const EVP_CIPHER *cipher;
unsigned char *key;
size_t keylen;
unsigned char *tag;
size_t taglen;
/* Set to 1 if we are debugging decrypt and don't fake keys for MMA */
int debug;
/* Set to 1 if we have no cert and need extra safety measures for MMA */
int havenocert;
};
struct CMS_RecipientInfo_st {
int type;
union {
CMS_KeyTransRecipientInfo *ktri;
CMS_KeyAgreeRecipientInfo *kari;
CMS_KEKRecipientInfo *kekri;
CMS_PasswordRecipientInfo *pwri;
CMS_OtherRecipientInfo *ori;
} d;
};
typedef CMS_SignerIdentifier CMS_RecipientIdentifier;
struct CMS_KeyTransRecipientInfo_st {
int32_t version;
CMS_RecipientIdentifier *rid;
X509_ALGOR *keyEncryptionAlgorithm;
ASN1_OCTET_STRING *encryptedKey;
/* Recipient Key and cert */
X509 *recip;
EVP_PKEY *pkey;
/* Public key context for this operation */
EVP_PKEY_CTX *pctx;
const CMS_CTX *cms_ctx;
};
struct CMS_KeyAgreeRecipientInfo_st {
int32_t version;
CMS_OriginatorIdentifierOrKey *originator;
ASN1_OCTET_STRING *ukm;
X509_ALGOR *keyEncryptionAlgorithm;
STACK_OF(CMS_RecipientEncryptedKey) *recipientEncryptedKeys;
/* Public key context associated with current operation */
EVP_PKEY_CTX *pctx;
/* Cipher context for CEK wrapping */
EVP_CIPHER_CTX *ctx;
const CMS_CTX *cms_ctx;
};
struct CMS_OriginatorIdentifierOrKey_st {
int type;
union {
CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
ASN1_OCTET_STRING *subjectKeyIdentifier;
CMS_OriginatorPublicKey *originatorKey;
} d;
};
struct CMS_OriginatorPublicKey_st {
X509_ALGOR *algorithm;
ASN1_BIT_STRING *publicKey;
};
struct CMS_RecipientEncryptedKey_st {
CMS_KeyAgreeRecipientIdentifier *rid;
ASN1_OCTET_STRING *encryptedKey;
/* Public key associated with this recipient */
EVP_PKEY *pkey;
};
struct CMS_KeyAgreeRecipientIdentifier_st {
int type;
union {
CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
CMS_RecipientKeyIdentifier *rKeyId;
} d;
};
struct CMS_RecipientKeyIdentifier_st {
ASN1_OCTET_STRING *subjectKeyIdentifier;
ASN1_GENERALIZEDTIME *date;
CMS_OtherKeyAttribute *other;
};
struct CMS_KEKRecipientInfo_st {
int32_t version;
CMS_KEKIdentifier *kekid;
X509_ALGOR *keyEncryptionAlgorithm;
ASN1_OCTET_STRING *encryptedKey;
/* Extra info: symmetric key to use */
unsigned char *key;
size_t keylen;
const CMS_CTX *cms_ctx;
};
struct CMS_KEKIdentifier_st {
ASN1_OCTET_STRING *keyIdentifier;
ASN1_GENERALIZEDTIME *date;
CMS_OtherKeyAttribute *other;
};
struct CMS_PasswordRecipientInfo_st {
int32_t version;
X509_ALGOR *keyDerivationAlgorithm;
X509_ALGOR *keyEncryptionAlgorithm;
ASN1_OCTET_STRING *encryptedKey;
/* Extra info: password to use */
unsigned char *pass;
size_t passlen;
const CMS_CTX *cms_ctx;
};
struct CMS_OtherRecipientInfo_st {
ASN1_OBJECT *oriType;
ASN1_TYPE *oriValue;
};
struct CMS_DigestedData_st {
int32_t version;
X509_ALGOR *digestAlgorithm;
CMS_EncapsulatedContentInfo *encapContentInfo;
ASN1_OCTET_STRING *digest;
};
struct CMS_EncryptedData_st {
int32_t version;
CMS_EncryptedContentInfo *encryptedContentInfo;
STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
};
struct CMS_AuthenticatedData_st {
int32_t version;
CMS_OriginatorInfo *originatorInfo;
STACK_OF(CMS_RecipientInfo) *recipientInfos;
X509_ALGOR *macAlgorithm;
X509_ALGOR *digestAlgorithm;
CMS_EncapsulatedContentInfo *encapContentInfo;
STACK_OF(X509_ATTRIBUTE) *authAttrs;
ASN1_OCTET_STRING *mac;
STACK_OF(X509_ATTRIBUTE) *unauthAttrs;
};
struct CMS_AuthEnvelopedData_st {
int32_t version;
CMS_OriginatorInfo *originatorInfo;
STACK_OF(CMS_RecipientInfo) *recipientInfos;
CMS_EncryptedContentInfo *authEncryptedContentInfo;
STACK_OF(X509_ATTRIBUTE) *authAttrs;
ASN1_OCTET_STRING *mac;
STACK_OF(X509_ATTRIBUTE) *unauthAttrs;
};
struct CMS_CompressedData_st {
int32_t version;
X509_ALGOR *compressionAlgorithm;
STACK_OF(CMS_RecipientInfo) *recipientInfos;
CMS_EncapsulatedContentInfo *encapContentInfo;
};
struct CMS_RevocationInfoChoice_st {
int type;
union {
X509_CRL *crl;
CMS_OtherRevocationInfoFormat *other;
} d;
};
# define CMS_REVCHOICE_CRL 0
# define CMS_REVCHOICE_OTHER 1
struct CMS_OtherRevocationInfoFormat_st {
ASN1_OBJECT *otherRevInfoFormat;
ASN1_TYPE *otherRevInfo;
};
struct CMS_CertificateChoices {
int type;
union {
X509 *certificate;
ASN1_STRING *extendedCertificate; /* Obsolete */
ASN1_STRING *v1AttrCert; /* Left encoded for now */
ASN1_STRING *v2AttrCert; /* Left encoded for now */
CMS_OtherCertificateFormat *other;
} d;
};
# define CMS_CERTCHOICE_CERT 0
# define CMS_CERTCHOICE_EXCERT 1
# define CMS_CERTCHOICE_V1ACERT 2
# define CMS_CERTCHOICE_V2ACERT 3
# define CMS_CERTCHOICE_OTHER 4
struct CMS_OtherCertificateFormat_st {
ASN1_OBJECT *otherCertFormat;
ASN1_TYPE *otherCert;
};
/*
* This is also defined in pkcs7.h but we duplicate it to allow the CMS code
* to be independent of PKCS#7
*/
struct CMS_IssuerAndSerialNumber_st {
X509_NAME *issuer;
ASN1_INTEGER *serialNumber;
};
struct CMS_OtherKeyAttribute_st {
ASN1_OBJECT *keyAttrId;
ASN1_TYPE *keyAttr;
};
/* ESS structures */
struct CMS_ReceiptRequest_st {
ASN1_OCTET_STRING *signedContentIdentifier;
CMS_ReceiptsFrom *receiptsFrom;
STACK_OF(GENERAL_NAMES) *receiptsTo;
};
struct CMS_ReceiptsFrom_st {
int type;
union {
int32_t allOrFirstTier;
STACK_OF(GENERAL_NAMES) *receiptList;
} d;
};
struct CMS_Receipt_st {
int32_t version;
ASN1_OBJECT *contentType;
ASN1_OCTET_STRING *signedContentIdentifier;
ASN1_OCTET_STRING *originatorSignatureValue;
};
DECLARE_ASN1_FUNCTIONS(CMS_ContentInfo)
DECLARE_ASN1_ITEM(CMS_SignerInfo)
DECLARE_ASN1_ITEM(CMS_IssuerAndSerialNumber)
DECLARE_ASN1_ITEM(CMS_Attributes_Sign)
DECLARE_ASN1_ITEM(CMS_Attributes_Verify)
DECLARE_ASN1_ITEM(CMS_RecipientInfo)
DECLARE_ASN1_ITEM(CMS_PasswordRecipientInfo)
DECLARE_ASN1_ALLOC_FUNCTIONS(CMS_IssuerAndSerialNumber)
# define CMS_SIGNERINFO_ISSUER_SERIAL 0
# define CMS_SIGNERINFO_KEYIDENTIFIER 1
# define CMS_RECIPINFO_ISSUER_SERIAL 0
# define CMS_RECIPINFO_KEYIDENTIFIER 1
# define CMS_REK_ISSUER_SERIAL 0
# define CMS_REK_KEYIDENTIFIER 1
# define CMS_OIK_ISSUER_SERIAL 0
# define CMS_OIK_KEYIDENTIFIER 1
# define CMS_OIK_PUBKEY 2
BIO *cms_content_bio(CMS_ContentInfo *cms);
const CMS_CTX *cms_get0_cmsctx(const CMS_ContentInfo *cms);
OSSL_LIB_CTX *cms_ctx_get0_libctx(const CMS_CTX *ctx);
const char *cms_ctx_get0_propq(const CMS_CTX *ctx);
void cms_resolve_libctx(CMS_ContentInfo *ci);
CMS_ContentInfo *cms_Data_create(OSSL_LIB_CTX *ctx, const char *propq);
CMS_ContentInfo *cms_DigestedData_create(const EVP_MD *md,
OSSL_LIB_CTX *libctx,
const char *propq);
BIO *cms_DigestedData_init_bio(const CMS_ContentInfo *cms);
int cms_DigestedData_do_final(const CMS_ContentInfo *cms,
BIO *chain, int verify);
BIO *cms_SignedData_init_bio(CMS_ContentInfo *cms);
int cms_SignedData_final(CMS_ContentInfo *cms, BIO *chain);
int cms_set1_SignerIdentifier(CMS_SignerIdentifier *sid, X509 *cert,
int type, const CMS_CTX *ctx);
int cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid,
ASN1_OCTET_STRING **keyid,
X509_NAME **issuer,
ASN1_INTEGER **sno);
int cms_SignerIdentifier_cert_cmp(CMS_SignerIdentifier *sid, X509 *cert);
CMS_ContentInfo *cms_CompressedData_create(int comp_nid, OSSL_LIB_CTX *libctx,
const char *propq);
BIO *cms_CompressedData_init_bio(const CMS_ContentInfo *cms);
BIO *cms_DigestAlgorithm_init_bio(X509_ALGOR *digestAlgorithm,
const CMS_CTX *ctx);
int cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,
X509_ALGOR *mdalg);
int cms_ias_cert_cmp(CMS_IssuerAndSerialNumber *ias, X509 *cert);
int cms_keyid_cert_cmp(ASN1_OCTET_STRING *keyid, X509 *cert);
int cms_set1_ias(CMS_IssuerAndSerialNumber **pias, X509 *cert);
int cms_set1_keyid(ASN1_OCTET_STRING **pkeyid, X509 *cert);
BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec,
const CMS_CTX *ctx);
BIO *cms_EncryptedData_init_bio(const CMS_ContentInfo *cms);
int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec,
const EVP_CIPHER *cipher,
const unsigned char *key, size_t keylen,
const CMS_CTX *ctx);
int cms_Receipt_verify(CMS_ContentInfo *cms, CMS_ContentInfo *req_cms);
int cms_msgSigDigest_add1(CMS_SignerInfo *dest, CMS_SignerInfo *src);
ASN1_OCTET_STRING *cms_encode_Receipt(CMS_SignerInfo *si);
BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms);
int cms_EnvelopedData_final(CMS_ContentInfo *cms, BIO *chain);
BIO *cms_AuthEnvelopedData_init_bio(CMS_ContentInfo *cms);
int cms_AuthEnvelopedData_final(CMS_ContentInfo *cms, BIO *cmsbio);
CMS_EnvelopedData *cms_get0_enveloped(CMS_ContentInfo *cms);
CMS_AuthEnvelopedData *cms_get0_auth_enveloped(CMS_ContentInfo *cms);
CMS_EncryptedContentInfo* cms_get0_env_enc_content(const CMS_ContentInfo *cms);
/* RecipientInfo routines */
int cms_env_asn1_ctrl(CMS_RecipientInfo *ri, int cmd);
int cms_pkey_get_ri_type(EVP_PKEY *pk);
int cms_pkey_is_ri_type_supported(EVP_PKEY *pk, int ri_type);
void cms_RecipientInfos_set_cmsctx(CMS_ContentInfo *cms);
/* KARI routines */
int cms_RecipientInfo_kari_init(CMS_RecipientInfo *ri, X509 *recip,
EVP_PKEY *recipPubKey, X509 *originator,
EVP_PKEY *originatorPrivKey, unsigned int flags,
const CMS_CTX *ctx);
int cms_RecipientInfo_kari_encrypt(const CMS_ContentInfo *cms,
CMS_RecipientInfo *ri);
/* PWRI routines */
int cms_RecipientInfo_pwri_crypt(const CMS_ContentInfo *cms,
CMS_RecipientInfo *ri, int en_de);
/* SignerInfo routines */
int CMS_si_check_attributes(const CMS_SignerInfo *si);
void cms_SignerInfos_set_cmsctx(CMS_ContentInfo *cms);
/* ESS routines */
int ess_check_signing_certs(CMS_SignerInfo *si, STACK_OF(X509) *chain);
int cms_dh_envelope(CMS_RecipientInfo *ri, int decrypt);
int cms_ecdh_envelope(CMS_RecipientInfo *ri, int decrypt);
int cms_rsa_envelope(CMS_RecipientInfo *ri, int decrypt);
int cms_ecdsa_dsa_sign(CMS_SignerInfo *si, int verify);
int cms_rsa_sign(CMS_SignerInfo *si, int verify);
DECLARE_ASN1_ITEM(CMS_CertificateChoices)
DECLARE_ASN1_ITEM(CMS_DigestedData)
DECLARE_ASN1_ITEM(CMS_EncryptedData)
DECLARE_ASN1_ITEM(CMS_EnvelopedData)
DECLARE_ASN1_ITEM(CMS_AuthEnvelopedData)
DECLARE_ASN1_ITEM(CMS_KEKRecipientInfo)
DECLARE_ASN1_ITEM(CMS_KeyAgreeRecipientInfo)
DECLARE_ASN1_ITEM(CMS_KeyTransRecipientInfo)
DECLARE_ASN1_ITEM(CMS_OriginatorPublicKey)
DECLARE_ASN1_ITEM(CMS_OtherKeyAttribute)
DECLARE_ASN1_ITEM(CMS_Receipt)
DECLARE_ASN1_ITEM(CMS_ReceiptRequest)
DECLARE_ASN1_ITEM(CMS_RecipientEncryptedKey)
DECLARE_ASN1_ITEM(CMS_RecipientKeyIdentifier)
DECLARE_ASN1_ITEM(CMS_RevocationInfoChoice)
DECLARE_ASN1_ITEM(CMS_SignedData)
DECLARE_ASN1_ITEM(CMS_CompressedData)
#endif