6a0a48433b
continue with symmetric decryption process to avoid leaking timing information to an attacker. Thanks to Ivan Nestlerode <inestlerode@us.ibm.com> for discovering this issue. (CVE-2012-0884)
463 lines
13 KiB
C
463 lines
13 KiB
C
/* crypto/cms/cms_lcl.h */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project.
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*/
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/* ====================================================================
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* Copyright (c) 2008 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
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#ifndef HEADER_CMS_LCL_H
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#define HEADER_CMS_LCL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <openssl/x509.h>
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/* Cryptographic message syntax (CMS) structures: taken
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* from RFC3852
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*/
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/* Forward references */
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typedef struct CMS_IssuerAndSerialNumber_st CMS_IssuerAndSerialNumber;
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typedef struct CMS_EncapsulatedContentInfo_st CMS_EncapsulatedContentInfo;
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typedef struct CMS_SignerIdentifier_st CMS_SignerIdentifier;
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typedef struct CMS_SignedData_st CMS_SignedData;
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typedef struct CMS_OtherRevocationInfoFormat_st CMS_OtherRevocationInfoFormat;
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typedef struct CMS_OriginatorInfo_st CMS_OriginatorInfo;
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typedef struct CMS_EncryptedContentInfo_st CMS_EncryptedContentInfo;
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typedef struct CMS_EnvelopedData_st CMS_EnvelopedData;
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typedef struct CMS_DigestedData_st CMS_DigestedData;
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typedef struct CMS_EncryptedData_st CMS_EncryptedData;
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typedef struct CMS_AuthenticatedData_st CMS_AuthenticatedData;
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typedef struct CMS_CompressedData_st CMS_CompressedData;
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typedef struct CMS_OtherCertificateFormat_st CMS_OtherCertificateFormat;
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typedef struct CMS_KeyTransRecipientInfo_st CMS_KeyTransRecipientInfo;
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typedef struct CMS_OriginatorPublicKey_st CMS_OriginatorPublicKey;
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typedef struct CMS_OriginatorIdentifierOrKey_st CMS_OriginatorIdentifierOrKey;
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typedef struct CMS_KeyAgreeRecipientInfo_st CMS_KeyAgreeRecipientInfo;
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typedef struct CMS_OtherKeyAttribute_st CMS_OtherKeyAttribute;
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typedef struct CMS_RecipientKeyIdentifier_st CMS_RecipientKeyIdentifier;
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typedef struct CMS_KeyAgreeRecipientIdentifier_st CMS_KeyAgreeRecipientIdentifier;
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typedef struct CMS_RecipientEncryptedKey_st CMS_RecipientEncryptedKey;
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typedef struct CMS_KEKIdentifier_st CMS_KEKIdentifier;
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typedef struct CMS_KEKRecipientInfo_st CMS_KEKRecipientInfo;
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typedef struct CMS_PasswordRecipientInfo_st CMS_PasswordRecipientInfo;
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typedef struct CMS_OtherRecipientInfo_st CMS_OtherRecipientInfo;
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typedef struct CMS_ReceiptsFrom_st CMS_ReceiptsFrom;
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struct CMS_ContentInfo_st
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{
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ASN1_OBJECT *contentType;
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union {
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ASN1_OCTET_STRING *data;
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CMS_SignedData *signedData;
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CMS_EnvelopedData *envelopedData;
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CMS_DigestedData *digestedData;
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CMS_EncryptedData *encryptedData;
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CMS_AuthenticatedData *authenticatedData;
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CMS_CompressedData *compressedData;
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ASN1_TYPE *other;
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/* Other types ... */
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void *otherData;
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} d;
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};
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struct CMS_SignedData_st
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{
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long version;
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STACK_OF(X509_ALGOR) *digestAlgorithms;
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CMS_EncapsulatedContentInfo *encapContentInfo;
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STACK_OF(CMS_CertificateChoices) *certificates;
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STACK_OF(CMS_RevocationInfoChoice) *crls;
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STACK_OF(CMS_SignerInfo) *signerInfos;
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};
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struct CMS_EncapsulatedContentInfo_st
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{
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ASN1_OBJECT *eContentType;
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ASN1_OCTET_STRING *eContent;
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/* Set to 1 if incomplete structure only part set up */
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int partial;
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};
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struct CMS_SignerInfo_st
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{
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long version;
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CMS_SignerIdentifier *sid;
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X509_ALGOR *digestAlgorithm;
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STACK_OF(X509_ATTRIBUTE) *signedAttrs;
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X509_ALGOR *signatureAlgorithm;
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ASN1_OCTET_STRING *signature;
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STACK_OF(X509_ATTRIBUTE) *unsignedAttrs;
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/* Signing certificate and key */
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X509 *signer;
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EVP_PKEY *pkey;
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};
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struct CMS_SignerIdentifier_st
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{
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int type;
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union {
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CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
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ASN1_OCTET_STRING *subjectKeyIdentifier;
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} d;
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};
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struct CMS_EnvelopedData_st
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{
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long version;
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CMS_OriginatorInfo *originatorInfo;
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STACK_OF(CMS_RecipientInfo) *recipientInfos;
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CMS_EncryptedContentInfo *encryptedContentInfo;
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STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
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};
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struct CMS_OriginatorInfo_st
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{
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STACK_OF(CMS_CertificateChoices) *certificates;
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STACK_OF(CMS_RevocationInfoChoice) *crls;
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};
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struct CMS_EncryptedContentInfo_st
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{
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ASN1_OBJECT *contentType;
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X509_ALGOR *contentEncryptionAlgorithm;
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ASN1_OCTET_STRING *encryptedContent;
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/* Content encryption algorithm and key */
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const EVP_CIPHER *cipher;
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unsigned char *key;
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size_t keylen;
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/* Set to 1 if we are debugging decrypt and don't fake keys for MMA */
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int debug;
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};
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struct CMS_RecipientInfo_st
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{
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int type;
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union {
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CMS_KeyTransRecipientInfo *ktri;
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CMS_KeyAgreeRecipientInfo *kari;
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CMS_KEKRecipientInfo *kekri;
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CMS_PasswordRecipientInfo *pwri;
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CMS_OtherRecipientInfo *ori;
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} d;
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};
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typedef CMS_SignerIdentifier CMS_RecipientIdentifier;
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struct CMS_KeyTransRecipientInfo_st
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{
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long version;
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CMS_RecipientIdentifier *rid;
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X509_ALGOR *keyEncryptionAlgorithm;
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ASN1_OCTET_STRING *encryptedKey;
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/* Recipient Key and cert */
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X509 *recip;
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EVP_PKEY *pkey;
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};
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struct CMS_KeyAgreeRecipientInfo_st
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{
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long version;
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CMS_OriginatorIdentifierOrKey *originator;
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ASN1_OCTET_STRING *ukm;
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X509_ALGOR *keyEncryptionAlgorithm;
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STACK_OF(CMS_RecipientEncryptedKey) *recipientEncryptedKeys;
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};
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struct CMS_OriginatorIdentifierOrKey_st
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{
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int type;
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union {
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CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
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ASN1_OCTET_STRING *subjectKeyIdentifier;
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CMS_OriginatorPublicKey *originatorKey;
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} d;
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};
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struct CMS_OriginatorPublicKey_st
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{
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X509_ALGOR *algorithm;
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ASN1_BIT_STRING *publicKey;
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};
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struct CMS_RecipientEncryptedKey_st
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{
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CMS_KeyAgreeRecipientIdentifier *rid;
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ASN1_OCTET_STRING *encryptedKey;
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};
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struct CMS_KeyAgreeRecipientIdentifier_st
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{
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int type;
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union {
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CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
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CMS_RecipientKeyIdentifier *rKeyId;
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} d;
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};
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struct CMS_RecipientKeyIdentifier_st
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{
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ASN1_OCTET_STRING *subjectKeyIdentifier;
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ASN1_GENERALIZEDTIME *date;
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CMS_OtherKeyAttribute *other;
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};
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struct CMS_KEKRecipientInfo_st
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{
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long version;
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CMS_KEKIdentifier *kekid;
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X509_ALGOR *keyEncryptionAlgorithm;
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ASN1_OCTET_STRING *encryptedKey;
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/* Extra info: symmetric key to use */
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unsigned char *key;
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size_t keylen;
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};
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struct CMS_KEKIdentifier_st
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{
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ASN1_OCTET_STRING *keyIdentifier;
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ASN1_GENERALIZEDTIME *date;
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CMS_OtherKeyAttribute *other;
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};
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struct CMS_PasswordRecipientInfo_st
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{
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long version;
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X509_ALGOR *keyDerivationAlgorithm;
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X509_ALGOR *keyEncryptionAlgorithm;
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ASN1_OCTET_STRING *encryptedKey;
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};
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struct CMS_OtherRecipientInfo_st
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{
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ASN1_OBJECT *oriType;
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ASN1_TYPE *oriValue;
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};
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struct CMS_DigestedData_st
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{
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long version;
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X509_ALGOR *digestAlgorithm;
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CMS_EncapsulatedContentInfo *encapContentInfo;
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ASN1_OCTET_STRING *digest;
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};
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struct CMS_EncryptedData_st
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{
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long version;
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CMS_EncryptedContentInfo *encryptedContentInfo;
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STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
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};
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struct CMS_AuthenticatedData_st
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{
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long version;
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CMS_OriginatorInfo *originatorInfo;
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STACK_OF(CMS_RecipientInfo) *recipientInfos;
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X509_ALGOR *macAlgorithm;
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X509_ALGOR *digestAlgorithm;
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CMS_EncapsulatedContentInfo *encapContentInfo;
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STACK_OF(X509_ATTRIBUTE) *authAttrs;
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ASN1_OCTET_STRING *mac;
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STACK_OF(X509_ATTRIBUTE) *unauthAttrs;
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};
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struct CMS_CompressedData_st
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{
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long version;
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X509_ALGOR *compressionAlgorithm;
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STACK_OF(CMS_RecipientInfo) *recipientInfos;
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CMS_EncapsulatedContentInfo *encapContentInfo;
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};
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struct CMS_RevocationInfoChoice_st
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{
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int type;
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union {
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X509_CRL *crl;
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CMS_OtherRevocationInfoFormat *other;
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} d;
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};
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#define CMS_REVCHOICE_CRL 0
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#define CMS_REVCHOICE_OTHER 1
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struct CMS_OtherRevocationInfoFormat_st
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{
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ASN1_OBJECT *otherRevInfoFormat;
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ASN1_TYPE *otherRevInfo;
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};
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struct CMS_CertificateChoices
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{
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int type;
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union {
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X509 *certificate;
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ASN1_STRING *extendedCertificate; /* Obsolete */
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ASN1_STRING *v1AttrCert; /* Left encoded for now */
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ASN1_STRING *v2AttrCert; /* Left encoded for now */
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CMS_OtherCertificateFormat *other;
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} d;
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};
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#define CMS_CERTCHOICE_CERT 0
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#define CMS_CERTCHOICE_EXCERT 1
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#define CMS_CERTCHOICE_V1ACERT 2
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#define CMS_CERTCHOICE_V2ACERT 3
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#define CMS_CERTCHOICE_OTHER 4
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struct CMS_OtherCertificateFormat_st
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{
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ASN1_OBJECT *otherCertFormat;
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ASN1_TYPE *otherCert;
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};
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/* This is also defined in pkcs7.h but we duplicate it
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* to allow the CMS code to be independent of PKCS#7
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*/
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struct CMS_IssuerAndSerialNumber_st
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{
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X509_NAME *issuer;
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ASN1_INTEGER *serialNumber;
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};
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struct CMS_OtherKeyAttribute_st
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{
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ASN1_OBJECT *keyAttrId;
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ASN1_TYPE *keyAttr;
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};
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/* ESS structures */
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#ifdef HEADER_X509V3_H
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struct CMS_ReceiptRequest_st
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{
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ASN1_OCTET_STRING *signedContentIdentifier;
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CMS_ReceiptsFrom *receiptsFrom;
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STACK_OF(GENERAL_NAMES) *receiptsTo;
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};
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struct CMS_ReceiptsFrom_st
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{
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int type;
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union
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{
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long allOrFirstTier;
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STACK_OF(GENERAL_NAMES) *receiptList;
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} d;
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};
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#endif
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struct CMS_Receipt_st
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{
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long version;
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ASN1_OBJECT *contentType;
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ASN1_OCTET_STRING *signedContentIdentifier;
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ASN1_OCTET_STRING *originatorSignatureValue;
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};
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DECLARE_ASN1_FUNCTIONS(CMS_ContentInfo)
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DECLARE_ASN1_ITEM(CMS_SignerInfo)
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DECLARE_ASN1_ITEM(CMS_IssuerAndSerialNumber)
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DECLARE_ASN1_ITEM(CMS_Attributes_Sign)
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DECLARE_ASN1_ITEM(CMS_Attributes_Verify)
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DECLARE_ASN1_ALLOC_FUNCTIONS(CMS_IssuerAndSerialNumber)
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#define CMS_SIGNERINFO_ISSUER_SERIAL 0
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#define CMS_SIGNERINFO_KEYIDENTIFIER 1
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#define CMS_RECIPINFO_ISSUER_SERIAL 0
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#define CMS_RECIPINFO_KEYIDENTIFIER 1
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BIO *cms_content_bio(CMS_ContentInfo *cms);
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CMS_ContentInfo *cms_Data_create(void);
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CMS_ContentInfo *cms_DigestedData_create(const EVP_MD *md);
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BIO *cms_DigestedData_init_bio(CMS_ContentInfo *cms);
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int cms_DigestedData_do_final(CMS_ContentInfo *cms, BIO *chain, int verify);
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BIO *cms_SignedData_init_bio(CMS_ContentInfo *cms);
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int cms_SignedData_final(CMS_ContentInfo *cms, BIO *chain);
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int cms_set1_SignerIdentifier(CMS_SignerIdentifier *sid, X509 *cert, int type);
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int cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid,
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ASN1_OCTET_STRING **keyid,
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X509_NAME **issuer, ASN1_INTEGER **sno);
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int cms_SignerIdentifier_cert_cmp(CMS_SignerIdentifier *sid, X509 *cert);
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CMS_ContentInfo *cms_CompressedData_create(int comp_nid);
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BIO *cms_CompressedData_init_bio(CMS_ContentInfo *cms);
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void cms_DigestAlgorithm_set(X509_ALGOR *alg, const EVP_MD *md);
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BIO *cms_DigestAlgorithm_init_bio(X509_ALGOR *digestAlgorithm);
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int cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,
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X509_ALGOR *mdalg);
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BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec);
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BIO *cms_EncryptedData_init_bio(CMS_ContentInfo *cms);
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int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec,
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const EVP_CIPHER *cipher,
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const unsigned char *key, size_t keylen);
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int cms_Receipt_verify(CMS_ContentInfo *cms, CMS_ContentInfo *req_cms);
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int cms_msgSigDigest_add1(CMS_SignerInfo *dest, CMS_SignerInfo *src);
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ASN1_OCTET_STRING *cms_encode_Receipt(CMS_SignerInfo *si);
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BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms);
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#ifdef __cplusplus
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}
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#endif
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#endif
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