Security-57031.1.35.tar.gz

[apple/security.git] / Security / libsecurity_asn1 / lib / pkcs7Templates.h

diff --git a/Security/libsecurity_asn1/lib/pkcs7Templates.h b/Security/libsecurity_asn1/lib/pkcs7Templates.h
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+/*
+ * Copyright (c) 2003-2004,2008,2010,2012 Apple Inc. All Rights Reserved.
+ * 
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/*
+ * pkcs7Templates.h
+ */
+ 
+#ifndef        _PKCS7_TEMPLATES_H_
+#define _PKCS7_TEMPLATES_H_
+
+#include <Security/SecAsn1Types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * DigestInfo ::= SEQUENCE {
+ *             digestAlgorithm DigestAlgorithmIdentifier,
+ *             digest Digest 
+ * }
+ *
+ * Digest ::= OCTET STRING
+ */
+typedef struct {
+       SecAsn1AlgId    digestAlgorithm;
+       SecAsn1Item             digest;
+} NSS_P7_DigestInfo;
+
+extern const SecAsn1Template NSS_P7_DigestInfoTemplate[];
+
+/*
+ * Uninterpreted ContentInfo, with content stripped from its
+ * EXPLICIT CONTEXT_SPECIFIC wrapper
+ *
+ * ContentInfo ::= SEQUENCE {
+ *     contentType ContentType,
+ *             content [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL 
+ * }
+ */
+typedef struct {
+       SecAsn1Oid      contentType;
+       SecAsn1Item     content;
+} NSS_P7_RawContentInfo;
+
+extern const SecAsn1Template NSS_P7_RawContentInfoTemplate[];
+
+// MARK: ---- ContentInfo.content types -----
+
+/*
+ * Expand beyond ASN_ANY/CSSM_DATA as needed
+ */
+typedef SecAsn1Item NSS_P7_SignedData;
+typedef SecAsn1Item NSS_P7_EnvelData;
+typedef SecAsn1Item NSS_P7_SignEnvelData;
+typedef SecAsn1Item NSS_P7_DigestedData;
+
+/* EncryptedData */
+
+/*
+ * EncryptedContentInfo ::= SEQUENCE {
+ *             contentType ContentType,
+ *             contentEncryptionAlgorithm
+ *             ContentEncryptionAlgorithmIdentifier,
+ *             encryptedContent
+ *                     [0] IMPLICIT EncryptedContent OPTIONAL 
+ * }
+ *
+ * EncryptedContent ::= OCTET STRING
+ */
+
+typedef struct {
+       SecAsn1Oid                                              contentType;
+       SecAsn1AlgId                    encrAlg;
+       SecAsn1Item                                             encrContent;
+} NSS_P7_EncrContentInfo;
+
+/*
+ * EncryptedData ::= SEQUENCE {
+ *     version Version,
+ *             encryptedContentInfo EncryptedContentInfo 
+ * }
+ */
+typedef struct {
+       SecAsn1Item                                             version;
+       NSS_P7_EncrContentInfo                  contentInfo;
+} NSS_P7_EncryptedData;
+
+extern const SecAsn1Template NSS_P7_EncrContentInfoTemplate[];
+extern const SecAsn1Template NSS_P7_EncryptedDataTemplate[];
+extern const SecAsn1Template NSS_P7_PtrToEncryptedDataTemplate[];
+
+/* the stub templates for unimplemented contentTypes */
+#define NSS_P7_PtrToSignedDataTemplate         kSecAsn1PointerToAnyTemplate
+#define NSS_P7_PtrToEnvelDataTemplate          kSecAsn1PointerToAnyTemplate
+#define NSS_P7_PtrToSignEnvelDataTemplate      kSecAsn1PointerToAnyTemplate
+#define NSS_P7_PtrToDigestedDataTemplate       kSecAsn1PointerToAnyTemplate
+
+// MARK: ---- decoded ContentInfo -----
+
+/*
+ * For convenience, out dynamic template chooser for ContentInfo.content
+ * drops one of these into the decoded struct. Thus, higher level
+ * code doesn't have to grunge around comparing OIDs to figure out
+ * what's there. 
+ */
+typedef enum {
+       CT_None = 0,
+       CT_Data,
+       CT_SignedData,
+       CT_EnvData,
+       CT_SignedEnvData,
+       CT_DigestData,
+       CT_EncryptedData
+} NSS_P7_CI_Type;
+
+/*
+ * Decoded ContentInfo. Decoded via SEC_ASN1_DYNAMIC per contentType.
+ */
+typedef struct {
+       SecAsn1Oid              contentType;
+       NSS_P7_CI_Type  type;
+       union {
+               SecAsn1Item *data;                      // CSSMOID_PKCS7_Data
+                                                                       //   contents of Octet String
+               NSS_P7_SignedData *signedData;  
+                                                                       // CSSMOID_PKCS7_SignedData
+               NSS_P7_EnvelData *envData;      // CSSMOID_PKCS7_EnvelopedData
+               NSS_P7_SignEnvelData *signEnvelData;    
+                                                                       // CSSMOID_PKCS7_SignedAndEnvelopedData
+               NSS_P7_DigestedData *digestedData;
+                                                                       // CSSMOID_PKCS7_DigestedData
+               NSS_P7_EncryptedData *encryptData;
+                                                                       //CSSMOID_PKCS7_EncryptedData
+                                                                       
+       } content;
+} NSS_P7_DecodedContentInfo;
+
+extern const SecAsn1Template NSS_P7_DecodedContentInfoTemplate[];
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PKCS7_TEMPLATES_H_ */
+