--- /dev/null
+/*
+ * Copyright (c) 2004,2011,2014 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@
+ */
+
+/*!
+ @header SecCmsDecoder.h
+ @Copyright (c) 2004,2011,2014 Apple Inc. All Rights Reserved.
+
+ @availability 10.4 and later
+ @abstract Interfaces of the CMS implementation.
+ @discussion The functions here implement functions for encoding
+ and decoding Cryptographic Message Syntax (CMS) objects
+ as described in rfc3369.
+ */
+
+#ifndef _SECURITY_SECCMSDECODER_H_
+#define _SECURITY_SECCMSDECODER_H_ 1
+
+#include <Security/SecCmsBase.h>
+
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+
+/*! @functiongroup Streaming interface */
+/*!
+ @function
+ @abstract Set up decoding of a BER-encoded CMS message.
+ @param arena An ArenaPool object to use for the resulting message, or NULL if new ArenaPool
+ should be created.
+ @param cb callback function for delivery of inner content inner
+ content will be stored in the message if cb is NULL.
+ @param cb_arg first argument passed to cb when it is called.
+ @param pwfn callback function for getting token password for
+ enveloped data content with a password recipient.
+ @param pwfn_arg first argument passed to pwfn when it is called.
+ @param decrypt_key_cb callback function for getting bulk key
+ for encryptedData content.
+ @param decrypt_key_cb_arg first argument passed to decrypt_key_cb
+ when it is called.
+ @param outDecoder On success will contain a pointer to a newly created SecCmsDecoder.
+ @result A result code. See "SecCmsBase.h" for possible results.
+ @discussion Create a SecCmsDecoder(). If this function returns noErr, the caller must dispose of the returned outDecoder by calling SecCmsDecoderDestroy() or SecCmsDecoderFinish().
+ @availability 10.4 and later
+ @updated 2004-04-05
+ */
+extern OSStatus
+SecCmsDecoderCreate(SecArenaPoolRef arena,
+ SecCmsContentCallback cb, void *cb_arg,
+ PK11PasswordFunc pwfn, void *pwfn_arg,
+ SecCmsGetDecryptKeyCallback decrypt_key_cb, void
+ *decrypt_key_cb_arg,
+ SecCmsDecoderRef *outDecoder);
+
+/*!
+ @function
+ @abstract Feed BER-encoded data to decoder.
+ @param decoder Pointer to a SecCmsDecoderContext created with SecCmsDecoderCreate().
+ @param buf Pointer to bytes to be decoded.
+ @param len number of bytes to decode.
+ @result A result code. See "SecCmsBase.h" for possible results.
+ @discussion If a call to this function fails the caller should call SecCmsDecoderDestroy().
+ @availability 10.4 and later
+ */
+extern OSStatus
+SecCmsDecoderUpdate(SecCmsDecoderRef decoder, const void *buf, CFIndex len);
+
+/*!
+ @function
+ @abstract Abort a (presumably failed) decoding process.
+ @param decoder Pointer to a SecCmsDecoderContext created with SecCmsDecoderCreate().
+ @availability 10.4 and later
+ */
+extern void
+SecCmsDecoderDestroy(SecCmsDecoderRef decoder);
+
+/*!
+ @function
+ @abstract Mark the end of inner content and finish decoding.
+ @param decoder Pointer to a SecCmsDecoderContext created with SecCmsDecoderCreate().
+ @param outMessage On success a pointer to a SecCmsMessage containing the decoded message.
+ @result A result code. See "SecCmsBase.h" for possible results.
+ @discussion decoder is no longer valid after this function is called.
+ @availability 10.4 and later
+ */
+extern OSStatus
+SecCmsDecoderFinish(SecCmsDecoderRef decoder, SecCmsMessageRef *outMessage);
+
+/*! @functiongroup One shot interface */
+/*!
+ @function
+ @abstract Decode a CMS message from BER encoded data.
+ @discussion This function basically does the same as calling
+ SecCmsDecoderStart(), SecCmsDecoderUpdate() and SecCmsDecoderFinish().
+ @param DERmessage Pointer to a CSSM_DATA containing the BER encoded cms
+ message to decode.
+ @param cb callback function for delivery of inner content inner
+ content will be stored in the message if cb is NULL.
+ @param cb_arg first argument passed to cb when it is called.
+ @param pwfn callback function for getting token password for enveloped
+ data content with a password recipient.
+ @param pwfn_arg first argument passed to pwfn when it is called.
+ @param decrypt_key_cb callback function for getting bulk key for encryptedData content.
+ @param decrypt_key_cb_arg first argument passed to decrypt_key_cb when it is called.
+ @param outMessage On success a pointer to a SecCmsMessage containing the decoded message.
+ @result A result code. See "SecCmsBase.h" for possible results.
+ @discussion decoder is no longer valid after this function is called.
+ @availability 10.4 and later
+ */
+extern OSStatus
+SecCmsMessageDecode(const CSSM_DATA *encodedMessage,
+ SecCmsContentCallback cb, void *cb_arg,
+ PK11PasswordFunc pwfn, void *pwfn_arg,
+ SecCmsGetDecryptKeyCallback decrypt_key_cb, void *decrypt_key_cb_arg,
+ SecCmsMessageRef *outMessage);
+
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* _SECURITY_SECCMSDECODER_H_ */
projects / apple / security.git / blobdiff