diff options
Diffstat (limited to 'crypto/cms/cms_asn1.c')
-rw-r--r-- | crypto/cms/cms_asn1.c | 152 |
1 files changed, 48 insertions, 104 deletions
diff --git a/crypto/cms/cms_asn1.c b/crypto/cms/cms_asn1.c index 81a3407f1249..993ea6b219ab 100644 --- a/crypto/cms/cms_asn1.c +++ b/crypto/cms/cms_asn1.c @@ -1,61 +1,16 @@ -/* crypto/cms/cms_asn1.c */ /* - * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project. - */ -/* ==================================================================== - * Copyright (c) 2008 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved. * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== + * 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 <openssl/asn1t.h> #include <openssl/pem.h> #include <openssl/x509v3.h> -#include "cms.h" +#include <openssl/cms.h> #include "cms_lcl.h" @@ -67,7 +22,7 @@ ASN1_SEQUENCE(CMS_IssuerAndSerialNumber) = { ASN1_SEQUENCE(CMS_OtherCertificateFormat) = { ASN1_SIMPLE(CMS_OtherCertificateFormat, otherCertFormat, ASN1_OBJECT), ASN1_OPT(CMS_OtherCertificateFormat, otherCert, ASN1_ANY) -} ASN1_SEQUENCE_END(CMS_OtherCertificateFormat) +} static_ASN1_SEQUENCE_END(CMS_OtherCertificateFormat) ASN1_CHOICE(CMS_CertificateChoices) = { ASN1_SIMPLE(CMS_CertificateChoices, d.certificate, X509), @@ -80,12 +35,12 @@ ASN1_CHOICE(CMS_CertificateChoices) = { ASN1_CHOICE(CMS_SignerIdentifier) = { ASN1_SIMPLE(CMS_SignerIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber), ASN1_IMP(CMS_SignerIdentifier, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0) -} ASN1_CHOICE_END(CMS_SignerIdentifier) +} 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) -} ASN1_NDEF_SEQUENCE_END(CMS_EncapsulatedContentInfo) +} 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, @@ -93,18 +48,15 @@ static int cms_si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, { if (operation == ASN1_OP_FREE_POST) { CMS_SignerInfo *si = (CMS_SignerInfo *)*pval; - if (si->pkey) - EVP_PKEY_free(si->pkey); - if (si->signer) - X509_free(si->signer); - if (si->pctx) - EVP_MD_CTX_cleanup(&si->mctx); + 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_EMBED(CMS_SignerInfo, version, INT32), 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), @@ -116,7 +68,7 @@ ASN1_SEQUENCE_cb(CMS_SignerInfo, cms_si_cb) = { ASN1_SEQUENCE(CMS_OtherRevocationInfoFormat) = { ASN1_SIMPLE(CMS_OtherRevocationInfoFormat, otherRevInfoFormat, ASN1_OBJECT), ASN1_OPT(CMS_OtherRevocationInfoFormat, otherRevInfo, ASN1_ANY) -} ASN1_SEQUENCE_END(CMS_OtherRevocationInfoFormat) +} static_ASN1_SEQUENCE_END(CMS_OtherRevocationInfoFormat) ASN1_CHOICE(CMS_RevocationInfoChoice) = { ASN1_SIMPLE(CMS_RevocationInfoChoice, d.crl, X509_CRL), @@ -124,7 +76,7 @@ ASN1_CHOICE(CMS_RevocationInfoChoice) = { } ASN1_CHOICE_END(CMS_RevocationInfoChoice) ASN1_NDEF_SEQUENCE(CMS_SignedData) = { - ASN1_SIMPLE(CMS_SignedData, version, LONG), + ASN1_EMBED(CMS_SignedData, version, INT32), 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), @@ -135,16 +87,16 @@ ASN1_NDEF_SEQUENCE(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) -} ASN1_SEQUENCE_END(CMS_OriginatorInfo) +} 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) -} ASN1_NDEF_SEQUENCE_END(CMS_EncryptedContentInfo) +} static_ASN1_NDEF_SEQUENCE_END(CMS_EncryptedContentInfo) ASN1_SEQUENCE(CMS_KeyTransRecipientInfo) = { - ASN1_SIMPLE(CMS_KeyTransRecipientInfo, version, LONG), + ASN1_EMBED(CMS_KeyTransRecipientInfo, version, INT32), ASN1_SIMPLE(CMS_KeyTransRecipientInfo, rid, CMS_SignerIdentifier), ASN1_SIMPLE(CMS_KeyTransRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR), ASN1_SIMPLE(CMS_KeyTransRecipientInfo, encryptedKey, ASN1_OCTET_STRING) @@ -164,15 +116,14 @@ ASN1_SEQUENCE(CMS_RecipientKeyIdentifier) = { ASN1_CHOICE(CMS_KeyAgreeRecipientIdentifier) = { ASN1_SIMPLE(CMS_KeyAgreeRecipientIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber), ASN1_IMP(CMS_KeyAgreeRecipientIdentifier, d.rKeyId, CMS_RecipientKeyIdentifier, 0) -} ASN1_CHOICE_END(CMS_KeyAgreeRecipientIdentifier) +} 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) { - if (rek->pkey) - EVP_PKEY_free(rek->pkey); + EVP_PKEY_free(rek->pkey); } return 1; } @@ -191,26 +142,27 @@ 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) -} ASN1_CHOICE_END(CMS_OriginatorIdentifierOrKey) +} 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) { - EVP_CIPHER_CTX_init(&kari->ctx); - EVP_CIPHER_CTX_set_flags(&kari->ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW); + 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) { - if (kari->pctx) - EVP_PKEY_CTX_free(kari->pctx); - EVP_CIPHER_CTX_cleanup(&kari->ctx); + 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_EMBED(CMS_KeyAgreeRecipientInfo, version, INT32), 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), @@ -221,17 +173,17 @@ 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) -} ASN1_SEQUENCE_END(CMS_KEKIdentifier) +} static_ASN1_SEQUENCE_END(CMS_KEKIdentifier) ASN1_SEQUENCE(CMS_KEKRecipientInfo) = { - ASN1_SIMPLE(CMS_KEKRecipientInfo, version, LONG), + ASN1_EMBED(CMS_KEKRecipientInfo, version, INT32), 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_EMBED(CMS_PasswordRecipientInfo, version, INT32), ASN1_IMP_OPT(CMS_PasswordRecipientInfo, keyDerivationAlgorithm, X509_ALGOR, 0), ASN1_SIMPLE(CMS_PasswordRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR), ASN1_SIMPLE(CMS_PasswordRecipientInfo, encryptedKey, ASN1_OCTET_STRING) @@ -240,7 +192,7 @@ ASN1_SEQUENCE(CMS_PasswordRecipientInfo) = { ASN1_SEQUENCE(CMS_OtherRecipientInfo) = { ASN1_SIMPLE(CMS_OtherRecipientInfo, oriType, ASN1_OBJECT), ASN1_OPT(CMS_OtherRecipientInfo, oriValue, ASN1_ANY) -} ASN1_SEQUENCE_END(CMS_OtherRecipientInfo) +} 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, @@ -250,24 +202,15 @@ static int cms_ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, CMS_RecipientInfo *ri = (CMS_RecipientInfo *)*pval; if (ri->type == CMS_RECIPINFO_TRANS) { CMS_KeyTransRecipientInfo *ktri = ri->d.ktri; - if (ktri->pkey) - EVP_PKEY_free(ktri->pkey); - if (ktri->recip) - X509_free(ktri->recip); - if (ktri->pctx) - EVP_PKEY_CTX_free(ktri->pctx); + 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; - if (kekri->key) { - OPENSSL_cleanse(kekri->key, kekri->keylen); - OPENSSL_free(kekri->key); - } + OPENSSL_clear_free(kekri->key, kekri->keylen); } else if (ri->type == CMS_RECIPINFO_PASS) { CMS_PasswordRecipientInfo *pwri = ri->d.pwri; - if (pwri->pass) { - OPENSSL_cleanse(pwri->pass, pwri->passlen); - OPENSSL_free(pwri->pass); - } + OPENSSL_clear_free(pwri->pass, pwri->passlen); } } return 1; @@ -282,7 +225,7 @@ ASN1_CHOICE_cb(CMS_RecipientInfo, cms_ri_cb) = { } ASN1_CHOICE_END_cb(CMS_RecipientInfo, CMS_RecipientInfo, type) ASN1_NDEF_SEQUENCE(CMS_EnvelopedData) = { - ASN1_SIMPLE(CMS_EnvelopedData, version, LONG), + ASN1_EMBED(CMS_EnvelopedData, version, INT32), ASN1_IMP_OPT(CMS_EnvelopedData, originatorInfo, CMS_OriginatorInfo, 0), ASN1_SET_OF(CMS_EnvelopedData, recipientInfos, CMS_RecipientInfo), ASN1_SIMPLE(CMS_EnvelopedData, encryptedContentInfo, CMS_EncryptedContentInfo), @@ -290,20 +233,20 @@ ASN1_NDEF_SEQUENCE(CMS_EnvelopedData) = { } ASN1_NDEF_SEQUENCE_END(CMS_EnvelopedData) ASN1_NDEF_SEQUENCE(CMS_DigestedData) = { - ASN1_SIMPLE(CMS_DigestedData, version, LONG), + ASN1_EMBED(CMS_DigestedData, version, INT32), 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_EMBED(CMS_EncryptedData, version, INT32), 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_EMBED(CMS_AuthenticatedData, version, INT32), ASN1_IMP_OPT(CMS_AuthenticatedData, originatorInfo, CMS_OriginatorInfo, 0), ASN1_SET_OF(CMS_AuthenticatedData, recipientInfos, CMS_RecipientInfo), ASN1_SIMPLE(CMS_AuthenticatedData, macAlgorithm, X509_ALGOR), @@ -312,10 +255,10 @@ ASN1_NDEF_SEQUENCE(CMS_AuthenticatedData) = { 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) -} ASN1_NDEF_SEQUENCE_END(CMS_AuthenticatedData) +} static_ASN1_NDEF_SEQUENCE_END(CMS_AuthenticatedData) ASN1_NDEF_SEQUENCE(CMS_CompressedData) = { - ASN1_SIMPLE(CMS_CompressedData, version, LONG), + ASN1_EMBED(CMS_CompressedData, version, INT32), ASN1_SIMPLE(CMS_CompressedData, compressionAlgorithm, X509_ALGOR), ASN1_SIMPLE(CMS_CompressedData, encapContentInfo, CMS_EncapsulatedContentInfo), } ASN1_NDEF_SEQUENCE_END(CMS_CompressedData) @@ -349,6 +292,7 @@ static int cms_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, 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) @@ -394,9 +338,9 @@ ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Verify) ASN1_CHOICE(CMS_ReceiptsFrom) = { - ASN1_IMP(CMS_ReceiptsFrom, d.allOrFirstTier, LONG, 0), + ASN1_IMP_EMBED(CMS_ReceiptsFrom, d.allOrFirstTier, INT32, 0), ASN1_IMP_SEQUENCE_OF(CMS_ReceiptsFrom, d.receiptList, GENERAL_NAMES, 1) -} ASN1_CHOICE_END(CMS_ReceiptsFrom) +} static_ASN1_CHOICE_END(CMS_ReceiptsFrom) ASN1_SEQUENCE(CMS_ReceiptRequest) = { ASN1_SIMPLE(CMS_ReceiptRequest, signedContentIdentifier, ASN1_OCTET_STRING), @@ -405,7 +349,7 @@ ASN1_SEQUENCE(CMS_ReceiptRequest) = { } ASN1_SEQUENCE_END(CMS_ReceiptRequest) ASN1_SEQUENCE(CMS_Receipt) = { - ASN1_SIMPLE(CMS_Receipt, version, LONG), + ASN1_EMBED(CMS_Receipt, version, INT32), ASN1_SIMPLE(CMS_Receipt, contentType, ASN1_OBJECT), ASN1_SIMPLE(CMS_Receipt, signedContentIdentifier, ASN1_OCTET_STRING), ASN1_SIMPLE(CMS_Receipt, originatorSignatureValue, ASN1_OCTET_STRING) @@ -426,7 +370,7 @@ 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), -} ASN1_SEQUENCE_END(CMS_SharedInfo) +} static_ASN1_SEQUENCE_END(CMS_SharedInfo) int CMS_SharedInfo_encode(unsigned char **pder, X509_ALGOR *kekalg, ASN1_OCTET_STRING *ukm, int keylen) |