epoc32/include/stdapis/openssl/hmac.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
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Current Symbian^3 public API header files (from PDK 3.0.h) This is the epoc32/include tree with the "platform" subtrees removed, and all but a selected few mbg and rsg files removed.
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/* crypto/hmac/hmac.h */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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 * All rights reserved.
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 *
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 * This package is an SSL implementation written
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 * by Eric Young (eay@cryptsoft.com).
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 * The implementation was written so as to conform with Netscapes SSL.
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 * 
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 * This library is free for commercial and non-commercial use as long as
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 * the following conditions are aheared to.  The following conditions
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 * apply to all code found in this distribution, be it the RC4, RSA,
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 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
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 * included with this distribution is covered by the same copyright terms
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 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
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 * 
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 * Copyright remains Eric Young's, and as such any Copyright notices in
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 * the code are not to be removed.
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 * If this package is used in a product, Eric Young should be given attribution
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 * as the author of the parts of the library used.
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 * This can be in the form of a textual message at program startup or
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 * in documentation (online or textual) provided with the package.
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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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 * 1. Redistributions of source code must retain the copyright
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 *    notice, this list of conditions and the following disclaimer.
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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 the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. All advertising materials mentioning features or use of this software
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 *    must display the following acknowledgement:
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 *    "This product includes cryptographic software written by
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 *     Eric Young (eay@cryptsoft.com)"
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 *    The word 'cryptographic' can be left out if the rouines from the library
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 *    being used are not cryptographic related :-).
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 * 4. If you include any Windows specific code (or a derivative thereof) from 
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 *    the apps directory (application code) you must include an acknowledgement:
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 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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 * 
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 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 * 
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 * The licence and distribution terms for any publically available version or
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 * derivative of this code cannot be changed.  i.e. this code cannot simply be
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 * copied and put under another distribution licence
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 * [including the GNU Public Licence.]
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 */
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 /*
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 © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
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 */
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#ifndef HEADER_HMAC_H
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#define HEADER_HMAC_H
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#if (defined(__SYMBIAN32__) && !defined(SYMBIAN))
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#define SYMBIAN
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#endif
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#ifdef SYMBIAN
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#include <e32def.h>
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#endif
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#include <openssl/opensslconf.h>
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#ifdef OPENSSL_NO_HMAC
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#error HMAC is disabled.
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#endif
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#include <openssl/evp.h>
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#define HMAC_MAX_MD_CBLOCK	128	/* largest known is SHA512 */
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#ifdef  __cplusplus
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extern "C" {
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#endif
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typedef struct hmac_ctx_st
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	{
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	const EVP_MD *md;
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	EVP_MD_CTX md_ctx;
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	EVP_MD_CTX i_ctx;
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	EVP_MD_CTX o_ctx;
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	unsigned int key_length;
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	unsigned char key[HMAC_MAX_MD_CBLOCK];
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	} HMAC_CTX;
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#define HMAC_size(e)	(EVP_MD_size((e)->md))
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IMPORT_C void HMAC_CTX_init(HMAC_CTX *ctx);
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IMPORT_C void HMAC_CTX_cleanup(HMAC_CTX *ctx);
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#define HMAC_cleanup(ctx) HMAC_CTX_cleanup(ctx) /* deprecated */
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IMPORT_C void HMAC_Init(HMAC_CTX *ctx, const void *key, int len,
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	       const EVP_MD *md); /* deprecated */
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IMPORT_C void HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
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		  const EVP_MD *md, ENGINE *impl);
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IMPORT_C void HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len);
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IMPORT_C void HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len);
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IMPORT_C unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
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		    const unsigned char *d, size_t n, unsigned char *md,
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		    unsigned int *md_len);
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#ifdef  __cplusplus
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}
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#endif
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#endif