2013-02-21 18:09:18 +00:00
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/* wsgcrypt.h
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*
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* Wrapper around libgcrypt's include file gcrypt.h.
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2013-02-21 18:40:48 +00:00
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* For libgcrypt 1.5.0, including gcrypt.h directly brings up lots of
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* compiler warnings about deprecated definitions.
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* Try to work around these warnings to ensure a clean build with -Werror.
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2013-02-21 18:09:18 +00:00
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 2007 Gerald Combs
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2014-02-25 20:42:35 +00:00
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*
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2018-02-07 11:26:45 +00:00
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* SPDX-License-Identifier: GPL-2.0-or-later
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2013-02-21 18:09:18 +00:00
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*/
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#ifndef __WSGCRYPT_H__
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#define __WSGCRYPT_H__
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2016-03-14 19:03:11 +00:00
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#include <ws_diag_control.h>
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2017-02-13 18:31:26 +00:00
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#include "ws_symbol_export.h"
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2017-03-06 21:01:39 +00:00
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#include <glib.h>
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2013-03-14 08:42:51 +00:00
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2014-08-27 21:56:29 +00:00
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DIAG_OFF(deprecated-declarations)
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2013-02-21 18:40:48 +00:00
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#include <gcrypt.h>
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2013-02-21 18:09:18 +00:00
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2014-08-27 21:56:29 +00:00
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DIAG_ON(deprecated-declarations)
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2013-03-14 08:42:51 +00:00
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2017-07-30 14:07:43 +00:00
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#define HASH_MD5_LENGTH 16
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#define HASH_SHA1_LENGTH 20
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#define HASH_SHA2_224_LENGTH 28
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#define HASH_SHA2_256_LENGTH 32
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#define HASH_SHA2_384_LENGTH 48
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#define HASH_SHA2_512_LENGTH 64
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2017-02-13 18:31:26 +00:00
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/* Convenience function to calculate the HMAC from the data in BUFFER
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of size LENGTH with key KEY of size KEYLEN using the algorithm ALGO avoiding the creating of a
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hash object. The hash is returned in the caller provided buffer
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DIGEST which must be large enough to hold the digest of the given
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algorithm. */
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WS_DLL_PUBLIC gcry_error_t ws_hmac_buffer(int algo, void *digest, const void *buffer, size_t length, const void *key, size_t keylen);
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2017-03-06 21:01:39 +00:00
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/* Convenience function to encrypt 8 bytes in BUFFER with DES using the 56 bits KEY expanded to
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64 bits as key, encrypted data is returned in OUTPUT which must be at least 8 bytes large */
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WS_DLL_PUBLIC void crypt_des_ecb(guint8 *output, const guint8 *buffer, const guint8 *key56);
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2017-04-26 05:33:25 +00:00
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/* Convenience function for RSA decryption. Returns decrypted length on success, 0 on failure */
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WS_DLL_PUBLIC size_t rsa_decrypt_inplace(const guint len, guchar* data, gcry_sexp_t pk, gboolean pkcs1_padding, char **err);
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2013-02-21 18:09:18 +00:00
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#endif /* __WSGCRYPT_H__ */
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