From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- openssl-1.1.0h/crypto/cms/cms_asn1.c | 403 +++++++++++++++++++++++++++++++++++ 1 file changed, 403 insertions(+) create mode 100644 openssl-1.1.0h/crypto/cms/cms_asn1.c (limited to 'openssl-1.1.0h/crypto/cms/cms_asn1.c') diff --git a/openssl-1.1.0h/crypto/cms/cms_asn1.c b/openssl-1.1.0h/crypto/cms/cms_asn1.c new file mode 100644 index 0000000..0a594f4 --- /dev/null +++ b/openssl-1.1.0h/crypto/cms/cms_asn1.c @@ -0,0 +1,403 @@ +/* + * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (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 + */ + +#include +#include +#include +#include +#include "cms_lcl.h" + + +ASN1_SEQUENCE(CMS_IssuerAndSerialNumber) = { + ASN1_SIMPLE(CMS_IssuerAndSerialNumber, issuer, X509_NAME), + ASN1_SIMPLE(CMS_IssuerAndSerialNumber, serialNumber, ASN1_INTEGER) +} ASN1_SEQUENCE_END(CMS_IssuerAndSerialNumber) + +ASN1_SEQUENCE(CMS_OtherCertificateFormat) = { + ASN1_SIMPLE(CMS_OtherCertificateFormat, otherCertFormat, ASN1_OBJECT), + ASN1_OPT(CMS_OtherCertificateFormat, otherCert, ASN1_ANY) +} static_ASN1_SEQUENCE_END(CMS_OtherCertificateFormat) + +ASN1_CHOICE(CMS_CertificateChoices) = { + ASN1_SIMPLE(CMS_CertificateChoices, d.certificate, X509), + ASN1_IMP(CMS_CertificateChoices, d.extendedCertificate, ASN1_SEQUENCE, 0), + ASN1_IMP(CMS_CertificateChoices, d.v1AttrCert, ASN1_SEQUENCE, 1), + ASN1_IMP(CMS_CertificateChoices, d.v2AttrCert, ASN1_SEQUENCE, 2), + ASN1_IMP(CMS_CertificateChoices, d.other, CMS_OtherCertificateFormat, 3) +} ASN1_CHOICE_END(CMS_CertificateChoices) + +ASN1_CHOICE(CMS_SignerIdentifier) = { + ASN1_SIMPLE(CMS_SignerIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber), + ASN1_IMP(CMS_SignerIdentifier, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0) +} static_ASN1_CHOICE_END(CMS_SignerIdentifier) + +ASN1_NDEF_SEQUENCE(CMS_EncapsulatedContentInfo) = { + ASN1_SIMPLE(CMS_EncapsulatedContentInfo, eContentType, ASN1_OBJECT), + ASN1_NDEF_EXP_OPT(CMS_EncapsulatedContentInfo, eContent, ASN1_OCTET_STRING_NDEF, 0) +} static_ASN1_NDEF_SEQUENCE_END(CMS_EncapsulatedContentInfo) + +/* Minor tweak to operation: free up signer key, cert */ +static int cms_si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, + void *exarg) +{ + if (operation == ASN1_OP_FREE_POST) { + CMS_SignerInfo *si = (CMS_SignerInfo *)*pval; + EVP_PKEY_free(si->pkey); + X509_free(si->signer); + EVP_MD_CTX_free(si->mctx); + } + return 1; +} + +ASN1_SEQUENCE_cb(CMS_SignerInfo, cms_si_cb) = { + ASN1_SIMPLE(CMS_SignerInfo, version, LONG), + ASN1_SIMPLE(CMS_SignerInfo, sid, CMS_SignerIdentifier), + ASN1_SIMPLE(CMS_SignerInfo, digestAlgorithm, X509_ALGOR), + ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, signedAttrs, X509_ATTRIBUTE, 0), + ASN1_SIMPLE(CMS_SignerInfo, signatureAlgorithm, X509_ALGOR), + ASN1_SIMPLE(CMS_SignerInfo, signature, ASN1_OCTET_STRING), + ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, unsignedAttrs, X509_ATTRIBUTE, 1) +} ASN1_SEQUENCE_END_cb(CMS_SignerInfo, CMS_SignerInfo) + +ASN1_SEQUENCE(CMS_OtherRevocationInfoFormat) = { + ASN1_SIMPLE(CMS_OtherRevocationInfoFormat, otherRevInfoFormat, ASN1_OBJECT), + ASN1_OPT(CMS_OtherRevocationInfoFormat, otherRevInfo, ASN1_ANY) +} static_ASN1_SEQUENCE_END(CMS_OtherRevocationInfoFormat) + +ASN1_CHOICE(CMS_RevocationInfoChoice) = { + ASN1_SIMPLE(CMS_RevocationInfoChoice, d.crl, X509_CRL), + ASN1_IMP(CMS_RevocationInfoChoice, d.other, CMS_OtherRevocationInfoFormat, 1) +} ASN1_CHOICE_END(CMS_RevocationInfoChoice) + +ASN1_NDEF_SEQUENCE(CMS_SignedData) = { + ASN1_SIMPLE(CMS_SignedData, version, LONG), + ASN1_SET_OF(CMS_SignedData, digestAlgorithms, X509_ALGOR), + ASN1_SIMPLE(CMS_SignedData, encapContentInfo, CMS_EncapsulatedContentInfo), + ASN1_IMP_SET_OF_OPT(CMS_SignedData, certificates, CMS_CertificateChoices, 0), + ASN1_IMP_SET_OF_OPT(CMS_SignedData, crls, CMS_RevocationInfoChoice, 1), + ASN1_SET_OF(CMS_SignedData, signerInfos, CMS_SignerInfo) +} ASN1_NDEF_SEQUENCE_END(CMS_SignedData) + +ASN1_SEQUENCE(CMS_OriginatorInfo) = { + ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, certificates, CMS_CertificateChoices, 0), + ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, crls, CMS_RevocationInfoChoice, 1) +} static_ASN1_SEQUENCE_END(CMS_OriginatorInfo) + +ASN1_NDEF_SEQUENCE(CMS_EncryptedContentInfo) = { + ASN1_SIMPLE(CMS_EncryptedContentInfo, contentType, ASN1_OBJECT), + ASN1_SIMPLE(CMS_EncryptedContentInfo, contentEncryptionAlgorithm, X509_ALGOR), + ASN1_IMP_OPT(CMS_EncryptedContentInfo, encryptedContent, ASN1_OCTET_STRING_NDEF, 0) +} static_ASN1_NDEF_SEQUENCE_END(CMS_EncryptedContentInfo) + +ASN1_SEQUENCE(CMS_KeyTransRecipientInfo) = { + ASN1_SIMPLE(CMS_KeyTransRecipientInfo, version, LONG), + ASN1_SIMPLE(CMS_KeyTransRecipientInfo, rid, CMS_SignerIdentifier), + ASN1_SIMPLE(CMS_KeyTransRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR), + ASN1_SIMPLE(CMS_KeyTransRecipientInfo, encryptedKey, ASN1_OCTET_STRING) +} ASN1_SEQUENCE_END(CMS_KeyTransRecipientInfo) + +ASN1_SEQUENCE(CMS_OtherKeyAttribute) = { + ASN1_SIMPLE(CMS_OtherKeyAttribute, keyAttrId, ASN1_OBJECT), + ASN1_OPT(CMS_OtherKeyAttribute, keyAttr, ASN1_ANY) +} ASN1_SEQUENCE_END(CMS_OtherKeyAttribute) + +ASN1_SEQUENCE(CMS_RecipientKeyIdentifier) = { + ASN1_SIMPLE(CMS_RecipientKeyIdentifier, subjectKeyIdentifier, ASN1_OCTET_STRING), + ASN1_OPT(CMS_RecipientKeyIdentifier, date, ASN1_GENERALIZEDTIME), + ASN1_OPT(CMS_RecipientKeyIdentifier, other, CMS_OtherKeyAttribute) +} ASN1_SEQUENCE_END(CMS_RecipientKeyIdentifier) + +ASN1_CHOICE(CMS_KeyAgreeRecipientIdentifier) = { + ASN1_SIMPLE(CMS_KeyAgreeRecipientIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber), + ASN1_IMP(CMS_KeyAgreeRecipientIdentifier, d.rKeyId, CMS_RecipientKeyIdentifier, 0) +} static_ASN1_CHOICE_END(CMS_KeyAgreeRecipientIdentifier) + +static int cms_rek_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, + void *exarg) +{ + CMS_RecipientEncryptedKey *rek = (CMS_RecipientEncryptedKey *)*pval; + if (operation == ASN1_OP_FREE_POST) { + EVP_PKEY_free(rek->pkey); + } + return 1; +} + +ASN1_SEQUENCE_cb(CMS_RecipientEncryptedKey, cms_rek_cb) = { + ASN1_SIMPLE(CMS_RecipientEncryptedKey, rid, CMS_KeyAgreeRecipientIdentifier), + ASN1_SIMPLE(CMS_RecipientEncryptedKey, encryptedKey, ASN1_OCTET_STRING) +} ASN1_SEQUENCE_END_cb(CMS_RecipientEncryptedKey, CMS_RecipientEncryptedKey) + +ASN1_SEQUENCE(CMS_OriginatorPublicKey) = { + ASN1_SIMPLE(CMS_OriginatorPublicKey, algorithm, X509_ALGOR), + ASN1_SIMPLE(CMS_OriginatorPublicKey, publicKey, ASN1_BIT_STRING) +} ASN1_SEQUENCE_END(CMS_OriginatorPublicKey) + +ASN1_CHOICE(CMS_OriginatorIdentifierOrKey) = { + ASN1_SIMPLE(CMS_OriginatorIdentifierOrKey, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber), + ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0), + ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.originatorKey, CMS_OriginatorPublicKey, 1) +} static_ASN1_CHOICE_END(CMS_OriginatorIdentifierOrKey) + +static int cms_kari_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, + void *exarg) +{ + CMS_KeyAgreeRecipientInfo *kari = (CMS_KeyAgreeRecipientInfo *)*pval; + if (operation == ASN1_OP_NEW_POST) { + kari->ctx = EVP_CIPHER_CTX_new(); + if (kari->ctx == NULL) + return 0; + EVP_CIPHER_CTX_set_flags(kari->ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW); + kari->pctx = NULL; + } else if (operation == ASN1_OP_FREE_POST) { + EVP_PKEY_CTX_free(kari->pctx); + EVP_CIPHER_CTX_free(kari->ctx); + } + return 1; +} + +ASN1_SEQUENCE_cb(CMS_KeyAgreeRecipientInfo, cms_kari_cb) = { + ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, version, LONG), + ASN1_EXP(CMS_KeyAgreeRecipientInfo, originator, CMS_OriginatorIdentifierOrKey, 0), + ASN1_EXP_OPT(CMS_KeyAgreeRecipientInfo, ukm, ASN1_OCTET_STRING, 1), + ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR), + ASN1_SEQUENCE_OF(CMS_KeyAgreeRecipientInfo, recipientEncryptedKeys, CMS_RecipientEncryptedKey) +} ASN1_SEQUENCE_END_cb(CMS_KeyAgreeRecipientInfo, CMS_KeyAgreeRecipientInfo) + +ASN1_SEQUENCE(CMS_KEKIdentifier) = { + ASN1_SIMPLE(CMS_KEKIdentifier, keyIdentifier, ASN1_OCTET_STRING), + ASN1_OPT(CMS_KEKIdentifier, date, ASN1_GENERALIZEDTIME), + ASN1_OPT(CMS_KEKIdentifier, other, CMS_OtherKeyAttribute) +} static_ASN1_SEQUENCE_END(CMS_KEKIdentifier) + +ASN1_SEQUENCE(CMS_KEKRecipientInfo) = { + ASN1_SIMPLE(CMS_KEKRecipientInfo, version, LONG), + ASN1_SIMPLE(CMS_KEKRecipientInfo, kekid, CMS_KEKIdentifier), + ASN1_SIMPLE(CMS_KEKRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR), + ASN1_SIMPLE(CMS_KEKRecipientInfo, encryptedKey, ASN1_OCTET_STRING) +} ASN1_SEQUENCE_END(CMS_KEKRecipientInfo) + +ASN1_SEQUENCE(CMS_PasswordRecipientInfo) = { + ASN1_SIMPLE(CMS_PasswordRecipientInfo, version, LONG), + ASN1_IMP_OPT(CMS_PasswordRecipientInfo, keyDerivationAlgorithm, X509_ALGOR, 0), + ASN1_SIMPLE(CMS_PasswordRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR), + ASN1_SIMPLE(CMS_PasswordRecipientInfo, encryptedKey, ASN1_OCTET_STRING) +} ASN1_SEQUENCE_END(CMS_PasswordRecipientInfo) + +ASN1_SEQUENCE(CMS_OtherRecipientInfo) = { + ASN1_SIMPLE(CMS_OtherRecipientInfo, oriType, ASN1_OBJECT), + ASN1_OPT(CMS_OtherRecipientInfo, oriValue, ASN1_ANY) +} static_ASN1_SEQUENCE_END(CMS_OtherRecipientInfo) + +/* Free up RecipientInfo additional data */ +static int cms_ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, + void *exarg) +{ + if (operation == ASN1_OP_FREE_PRE) { + CMS_RecipientInfo *ri = (CMS_RecipientInfo *)*pval; + if (ri->type == CMS_RECIPINFO_TRANS) { + CMS_KeyTransRecipientInfo *ktri = ri->d.ktri; + EVP_PKEY_free(ktri->pkey); + X509_free(ktri->recip); + EVP_PKEY_CTX_free(ktri->pctx); + } else if (ri->type == CMS_RECIPINFO_KEK) { + CMS_KEKRecipientInfo *kekri = ri->d.kekri; + OPENSSL_clear_free(kekri->key, kekri->keylen); + } else if (ri->type == CMS_RECIPINFO_PASS) { + CMS_PasswordRecipientInfo *pwri = ri->d.pwri; + OPENSSL_clear_free(pwri->pass, pwri->passlen); + } + } + return 1; +} + +ASN1_CHOICE_cb(CMS_RecipientInfo, cms_ri_cb) = { + ASN1_SIMPLE(CMS_RecipientInfo, d.ktri, CMS_KeyTransRecipientInfo), + ASN1_IMP(CMS_RecipientInfo, d.kari, CMS_KeyAgreeRecipientInfo, 1), + ASN1_IMP(CMS_RecipientInfo, d.kekri, CMS_KEKRecipientInfo, 2), + ASN1_IMP(CMS_RecipientInfo, d.pwri, CMS_PasswordRecipientInfo, 3), + ASN1_IMP(CMS_RecipientInfo, d.ori, CMS_OtherRecipientInfo, 4) +} ASN1_CHOICE_END_cb(CMS_RecipientInfo, CMS_RecipientInfo, type) + +ASN1_NDEF_SEQUENCE(CMS_EnvelopedData) = { + ASN1_SIMPLE(CMS_EnvelopedData, version, LONG), + ASN1_IMP_OPT(CMS_EnvelopedData, originatorInfo, CMS_OriginatorInfo, 0), + ASN1_SET_OF(CMS_EnvelopedData, recipientInfos, CMS_RecipientInfo), + ASN1_SIMPLE(CMS_EnvelopedData, encryptedContentInfo, CMS_EncryptedContentInfo), + ASN1_IMP_SET_OF_OPT(CMS_EnvelopedData, unprotectedAttrs, X509_ATTRIBUTE, 1) +} ASN1_NDEF_SEQUENCE_END(CMS_EnvelopedData) + +ASN1_NDEF_SEQUENCE(CMS_DigestedData) = { + ASN1_SIMPLE(CMS_DigestedData, version, LONG), + ASN1_SIMPLE(CMS_DigestedData, digestAlgorithm, X509_ALGOR), + ASN1_SIMPLE(CMS_DigestedData, encapContentInfo, CMS_EncapsulatedContentInfo), + ASN1_SIMPLE(CMS_DigestedData, digest, ASN1_OCTET_STRING) +} ASN1_NDEF_SEQUENCE_END(CMS_DigestedData) + +ASN1_NDEF_SEQUENCE(CMS_EncryptedData) = { + ASN1_SIMPLE(CMS_EncryptedData, version, LONG), + ASN1_SIMPLE(CMS_EncryptedData, encryptedContentInfo, CMS_EncryptedContentInfo), + ASN1_IMP_SET_OF_OPT(CMS_EncryptedData, unprotectedAttrs, X509_ATTRIBUTE, 1) +} ASN1_NDEF_SEQUENCE_END(CMS_EncryptedData) + +ASN1_NDEF_SEQUENCE(CMS_AuthenticatedData) = { + ASN1_SIMPLE(CMS_AuthenticatedData, version, LONG), + ASN1_IMP_OPT(CMS_AuthenticatedData, originatorInfo, CMS_OriginatorInfo, 0), + ASN1_SET_OF(CMS_AuthenticatedData, recipientInfos, CMS_RecipientInfo), + ASN1_SIMPLE(CMS_AuthenticatedData, macAlgorithm, X509_ALGOR), + ASN1_IMP(CMS_AuthenticatedData, digestAlgorithm, X509_ALGOR, 1), + ASN1_SIMPLE(CMS_AuthenticatedData, encapContentInfo, CMS_EncapsulatedContentInfo), + ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, authAttrs, X509_ALGOR, 2), + ASN1_SIMPLE(CMS_AuthenticatedData, mac, ASN1_OCTET_STRING), + ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, unauthAttrs, X509_ALGOR, 3) +} static_ASN1_NDEF_SEQUENCE_END(CMS_AuthenticatedData) + +ASN1_NDEF_SEQUENCE(CMS_CompressedData) = { + ASN1_SIMPLE(CMS_CompressedData, version, LONG), + ASN1_SIMPLE(CMS_CompressedData, compressionAlgorithm, X509_ALGOR), + ASN1_SIMPLE(CMS_CompressedData, encapContentInfo, CMS_EncapsulatedContentInfo), +} ASN1_NDEF_SEQUENCE_END(CMS_CompressedData) + +/* This is the ANY DEFINED BY table for the top level ContentInfo structure */ + +ASN1_ADB_TEMPLATE(cms_default) = ASN1_EXP(CMS_ContentInfo, d.other, ASN1_ANY, 0); + +ASN1_ADB(CMS_ContentInfo) = { + ADB_ENTRY(NID_pkcs7_data, ASN1_NDEF_EXP(CMS_ContentInfo, d.data, ASN1_OCTET_STRING_NDEF, 0)), + ADB_ENTRY(NID_pkcs7_signed, ASN1_NDEF_EXP(CMS_ContentInfo, d.signedData, CMS_SignedData, 0)), + ADB_ENTRY(NID_pkcs7_enveloped, ASN1_NDEF_EXP(CMS_ContentInfo, d.envelopedData, CMS_EnvelopedData, 0)), + ADB_ENTRY(NID_pkcs7_digest, ASN1_NDEF_EXP(CMS_ContentInfo, d.digestedData, CMS_DigestedData, 0)), + ADB_ENTRY(NID_pkcs7_encrypted, ASN1_NDEF_EXP(CMS_ContentInfo, d.encryptedData, CMS_EncryptedData, 0)), + ADB_ENTRY(NID_id_smime_ct_authData, ASN1_NDEF_EXP(CMS_ContentInfo, d.authenticatedData, CMS_AuthenticatedData, 0)), + ADB_ENTRY(NID_id_smime_ct_compressedData, ASN1_NDEF_EXP(CMS_ContentInfo, d.compressedData, CMS_CompressedData, 0)), +} ASN1_ADB_END(CMS_ContentInfo, 0, contentType, 0, &cms_default_tt, NULL); + +/* CMS streaming support */ +static int cms_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, + void *exarg) +{ + ASN1_STREAM_ARG *sarg = exarg; + CMS_ContentInfo *cms = NULL; + if (pval) + cms = (CMS_ContentInfo *)*pval; + else + return 1; + switch (operation) { + + case ASN1_OP_STREAM_PRE: + if (CMS_stream(&sarg->boundary, cms) <= 0) + return 0; + /* fall thru */ + case ASN1_OP_DETACHED_PRE: + sarg->ndef_bio = CMS_dataInit(cms, sarg->out); + if (!sarg->ndef_bio) + return 0; + break; + + case ASN1_OP_STREAM_POST: + case ASN1_OP_DETACHED_POST: + if (CMS_dataFinal(cms, sarg->ndef_bio) <= 0) + return 0; + break; + + } + return 1; +} + +ASN1_NDEF_SEQUENCE_cb(CMS_ContentInfo, cms_cb) = { + ASN1_SIMPLE(CMS_ContentInfo, contentType, ASN1_OBJECT), + ASN1_ADB_OBJECT(CMS_ContentInfo) +} ASN1_NDEF_SEQUENCE_END_cb(CMS_ContentInfo, CMS_ContentInfo) + +/* Specials for signed attributes */ + +/* + * When signing attributes we want to reorder them to match the sorted + * encoding. + */ + +ASN1_ITEM_TEMPLATE(CMS_Attributes_Sign) = + ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_ORDER, 0, CMS_ATTRIBUTES, X509_ATTRIBUTE) +ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Sign) + +/* + * When verifying attributes we need to use the received order. So we use + * SEQUENCE OF and tag it to SET OF + */ + +ASN1_ITEM_TEMPLATE(CMS_Attributes_Verify) = + ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL, + V_ASN1_SET, CMS_ATTRIBUTES, X509_ATTRIBUTE) +ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Verify) + + + +ASN1_CHOICE(CMS_ReceiptsFrom) = { + ASN1_IMP(CMS_ReceiptsFrom, d.allOrFirstTier, LONG, 0), + ASN1_IMP_SEQUENCE_OF(CMS_ReceiptsFrom, d.receiptList, GENERAL_NAMES, 1) +} static_ASN1_CHOICE_END(CMS_ReceiptsFrom) + +ASN1_SEQUENCE(CMS_ReceiptRequest) = { + ASN1_SIMPLE(CMS_ReceiptRequest, signedContentIdentifier, ASN1_OCTET_STRING), + ASN1_SIMPLE(CMS_ReceiptRequest, receiptsFrom, CMS_ReceiptsFrom), + ASN1_SEQUENCE_OF(CMS_ReceiptRequest, receiptsTo, GENERAL_NAMES) +} ASN1_SEQUENCE_END(CMS_ReceiptRequest) + +ASN1_SEQUENCE(CMS_Receipt) = { + ASN1_SIMPLE(CMS_Receipt, version, LONG), + ASN1_SIMPLE(CMS_Receipt, contentType, ASN1_OBJECT), + ASN1_SIMPLE(CMS_Receipt, signedContentIdentifier, ASN1_OCTET_STRING), + ASN1_SIMPLE(CMS_Receipt, originatorSignatureValue, ASN1_OCTET_STRING) +} ASN1_SEQUENCE_END(CMS_Receipt) + +/* + * Utilities to encode the CMS_SharedInfo structure used during key + * derivation. + */ + +typedef struct { + X509_ALGOR *keyInfo; + ASN1_OCTET_STRING *entityUInfo; + ASN1_OCTET_STRING *suppPubInfo; +} CMS_SharedInfo; + +ASN1_SEQUENCE(CMS_SharedInfo) = { + ASN1_SIMPLE(CMS_SharedInfo, keyInfo, X509_ALGOR), + ASN1_EXP_OPT(CMS_SharedInfo, entityUInfo, ASN1_OCTET_STRING, 0), + ASN1_EXP_OPT(CMS_SharedInfo, suppPubInfo, ASN1_OCTET_STRING, 2), +} static_ASN1_SEQUENCE_END(CMS_SharedInfo) + +int CMS_SharedInfo_encode(unsigned char **pder, X509_ALGOR *kekalg, + ASN1_OCTET_STRING *ukm, int keylen) +{ + union { + CMS_SharedInfo *pecsi; + ASN1_VALUE *a; + } intsi = { + NULL + }; + + ASN1_OCTET_STRING oklen; + unsigned char kl[4]; + CMS_SharedInfo ecsi; + + keylen <<= 3; + kl[0] = (keylen >> 24) & 0xff; + kl[1] = (keylen >> 16) & 0xff; + kl[2] = (keylen >> 8) & 0xff; + kl[3] = keylen & 0xff; + oklen.length = 4; + oklen.data = kl; + oklen.type = V_ASN1_OCTET_STRING; + oklen.flags = 0; + ecsi.keyInfo = kekalg; + ecsi.entityUInfo = ukm; + ecsi.suppPubInfo = &oklen; + intsi.pecsi = &ecsi; + return ASN1_item_i2d(intsi.a, pder, ASN1_ITEM_rptr(CMS_SharedInfo)); +} -- cgit v1.2.3