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/* |
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* Copyright (C) 1998,1999,2000 Nikos Mavroyanopoulos |
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* |
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* This library is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU Library General Public License as published |
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* by the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public |
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* License along with this library; if not, write to the |
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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* Boston, MA 02111-1307, USA. |
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*/ |
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|
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#ifndef LIBDEFS_H |
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#define LIBDEFS_H |
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#include <libdefs.h> |
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#endif |
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#include <bzero.h> |
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#include <mcrypt_internal.h> |
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#include <xmemory.h> |
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|
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#ifndef DEBUG |
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# define fputs(x, y) |
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#endif |
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|
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extern const mcrypt_preloaded mps[]; |
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|
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#define MAX_MOD_SIZE 1024 |
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|
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static lt_ptr search_symlist_lib(const char* name) { |
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int i=0; |
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|
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while( mps[i].name!=0 || mps[i].address!=0) { |
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if (mps[i].name!=NULL && mps[i].address==NULL) { |
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if (strcmp(name, mps[i].name)==0) { |
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return (void*) -1; |
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} |
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} |
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i++; |
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} |
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return NULL; |
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} |
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|
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static lt_ptr search_symlist_sym(mcrypt_dlhandle handle, const char* _name) { |
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int i=0; |
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char name[MAX_MOD_SIZE]; |
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|
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strcpy(name, handle.name); |
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|
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strcat( name, "_LTX_"); |
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strcat( name, _name); |
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|
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while( mps[i].name!=0 || mps[i].address!=0) { |
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if (mps[i].name!=NULL) { |
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if (strcmp(name, mps[i].name)==0) { |
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return mps[i].address; |
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} |
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} |
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i++; |
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} |
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return NULL; |
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} |
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|
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void mcrypt_dlclose( mcrypt_dlhandle handle) { |
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void* mod = handle.handle; |
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|
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if (mod!=MCRYPT_INTERNAL_HANDLER && mod!=NULL) |
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lt_dlclose(mod); |
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handle.handle = NULL; |
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} |
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|
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lt_ptr mcrypt_dlsym( mcrypt_dlhandle handle, char* str) { |
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void* mod; |
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|
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mod = handle.handle; |
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|
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if (mod!=MCRYPT_INTERNAL_HANDLER) |
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return lt_dlsym(mod, str); |
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else |
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return search_symlist_sym(handle, str); |
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|
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_module_close(MCRYPT td) |
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{ |
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mcrypt_dlclose(td->algorithm_handle); |
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mcrypt_dlclose(td->mode_handle); |
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if (lt_dlexit() != 0) { |
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return MCRYPT_UNKNOWN_ERROR; |
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} |
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|
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td->m_encrypt = NULL; |
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td->a_encrypt = NULL; |
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td->a_decrypt = NULL; |
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td->m_decrypt = NULL; |
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|
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free(td); |
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|
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return 0; |
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} |
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|
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|
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WIN32DLL_DEFINE |
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void* mcrypt_dlopen ( mcrypt_dlhandle* handle, const char* a_directory, const char *m_directory, const char *filename) { |
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|
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char paths[1526]; |
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|
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if (strlen(filename) > sizeof( handle->name)) |
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return MCRYPT_FAILED; |
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else |
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strcpy( handle->name, filename); |
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|
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if (search_symlist_lib(filename)!=NULL) { |
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handle->handle = MCRYPT_INTERNAL_HANDLER; |
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return handle->handle; |
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} |
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|
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memset( paths, 0, 1024); |
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if (a_directory != NULL) { |
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strncat( paths, a_directory, 512); |
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strcat( paths, ":"); |
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} |
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if (m_directory != NULL) { |
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strncat( paths, m_directory, 512); |
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strcat( paths, ":"); |
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} |
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strncat( paths, LIBDIR, 512); |
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|
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lt_dlsetsearchpath(paths); |
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|
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handle->handle = lt_dlopenext(filename); |
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|
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return handle->handle; |
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|
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} |
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|
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WIN32DLL_DEFINE |
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MCRYPT mcrypt_module_open(char *algorithm, |
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char *a_directory, char *mode, char *m_directory) |
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{ |
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MCRYPT td; |
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const char* err; |
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void *ret; |
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|
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td = calloc(1, sizeof(CRYPT_STREAM)); |
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if (td==NULL) return MCRYPT_FAILED; |
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|
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if (lt_dlinit() != 0) { |
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return MCRYPT_FAILED; |
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} |
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|
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ret = mcrypt_dlopen( &td->algorithm_handle, a_directory, m_directory, algorithm); |
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if (ret == NULL) { |
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err=lt_dlerror(); |
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if (err!=NULL) fputs( err, stderr); |
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fputs("\n", stderr); |
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free(td); |
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return MCRYPT_FAILED; |
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} |
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|
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ret = mcrypt_dlopen( &td->mode_handle, a_directory, m_directory, mode); |
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|
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if (ret == NULL) { |
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err=lt_dlerror(); |
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if (err!=NULL) fputs( err, stderr); |
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mcrypt_dlclose(td->algorithm_handle); |
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free(td); |
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return MCRYPT_FAILED; |
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} |
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|
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td->a_encrypt = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_encrypt"); |
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td->a_decrypt = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_decrypt"); |
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td->m_encrypt = mcrypt_dlsym(td->mode_handle, "_mcrypt"); |
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td->m_decrypt = mcrypt_dlsym(td->mode_handle, "_mdecrypt"); |
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td->a_block_size = |
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mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_block_size"); |
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|
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if (mcrypt_enc_is_block_algorithm_mode(td) != |
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mcrypt_enc_is_block_algorithm(td)) { |
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mcrypt_module_close(td); |
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return MCRYPT_FAILED; |
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} |
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|
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return td; |
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} |
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|
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|
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|
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/* Modules' frontends */ |
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|
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WIN32DLL_DEFINE |
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int mcrypt_get_size(MCRYPT td) |
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{ |
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int (*_mcrypt_get_size) (void); |
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|
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const char *error; |
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|
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_mcrypt_get_size = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_size"); |
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if (_mcrypt_get_size == NULL) { |
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error = lt_dlerror(); |
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if (error!=NULL) fputs(error, stderr); |
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fputs("\n", stderr); |
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return MCRYPT_UNKNOWN_ERROR; |
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} |
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return _mcrypt_get_size(); |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_mode_get_size(MCRYPT td) |
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{ |
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int (*_mcrypt_get_size) (void); |
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|
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const char *error; |
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|
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_mcrypt_get_size = mcrypt_dlsym(td->mode_handle, "_mcrypt_mode_get_size"); |
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if (_mcrypt_get_size == NULL) { |
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error = lt_dlerror(); |
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if (error!=NULL) fputs(error, stderr); |
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fputs("\n", stderr); |
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return MCRYPT_UNKNOWN_ERROR; |
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} |
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return _mcrypt_get_size(); |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_set_key(MCRYPT td, void *a, void *b, int c, void *d, int e) |
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{ |
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int (*__mcrypt_set_key_stream) (void *, void *, int, void *, int); |
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int (*__mcrypt_set_key_block) (void *, void *, int); |
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const char *error; |
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|
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if (mcrypt_enc_is_block_algorithm(td) == 0) { |
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/* stream */ |
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__mcrypt_set_key_stream = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_set_key"); |
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if (__mcrypt_set_key_stream == NULL) { |
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error = lt_dlerror(); |
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if (error!=NULL) fputs(error, stderr); |
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fputs("\n", stderr); |
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return -2; |
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} |
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return __mcrypt_set_key_stream(a, b, c, d, e); |
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} else { |
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__mcrypt_set_key_block = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_set_key"); |
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if (__mcrypt_set_key_block == NULL) { |
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error = lt_dlerror(); |
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if (error!=NULL) fputs(error, stderr); |
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fputs("\n", stderr); |
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return -2; |
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} |
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return __mcrypt_set_key_block(a, b, c); |
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} |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_enc_set_state(MCRYPT td, void *iv, int size) |
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{ |
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int (*__mcrypt_set_state) (void *, void *, int); |
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const char *error; |
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|
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__mcrypt_set_state = mcrypt_dlsym(td->mode_handle, "_mcrypt_set_state"); |
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if (__mcrypt_set_state==NULL) { |
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error = lt_dlerror(); |
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if (error!=NULL) fputs(error, stderr); |
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fputs("\n", stderr); |
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return MCRYPT_UNKNOWN_ERROR; |
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} |
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return __mcrypt_set_state(td->abuf, iv, size); |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_enc_get_block_size(MCRYPT td) |
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{ |
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int (*_mcrypt_get_block_size) (void); |
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|
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_mcrypt_get_block_size = td->a_block_size; |
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return _mcrypt_get_block_size(); |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_get_algo_iv_size(MCRYPT td) |
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{ |
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int (*_mcrypt_get_algo_iv_size) (void); |
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|
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_mcrypt_get_algo_iv_size = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_algo_iv_size"); |
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return _mcrypt_get_algo_iv_size(); |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_enc_get_iv_size(MCRYPT td) |
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{ |
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if (mcrypt_enc_is_block_algorithm_mode(td) == 1) { |
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return mcrypt_enc_get_block_size(td); |
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} else { |
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return mcrypt_get_algo_iv_size(td); |
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} |
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} |
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|
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WIN32DLL_DEFINE |
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int mcrypt_enc_get_key_size(MCRYPT td) |
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{ |
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int (*_mcrypt_get_key_size) (void); |
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|
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_mcrypt_get_key_size = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_key_size"); |
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return _mcrypt_get_key_size(); |
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} |
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|
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WIN32DLL_DEFINE |
315 |
int *mcrypt_enc_get_supported_key_sizes(MCRYPT td, int *len) |
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{ |
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int *(*_mcrypt_get_key_sizes) (int *); |
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int *size; |
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|
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_mcrypt_get_key_sizes = |
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mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_supported_key_sizes"); |
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size = _mcrypt_get_key_sizes(len); |
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|
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return size; |
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} |
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|
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WIN32DLL_DEFINE |
328 |
int mcrypt_enc_is_block_algorithm(MCRYPT td) |
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{ |
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int (*_is_block_algorithm) (void); |
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|
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_is_block_algorithm = mcrypt_dlsym(td->algorithm_handle, "_is_block_algorithm"); |
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return _is_block_algorithm(); |
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} |
335 |
|
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WIN32DLL_DEFINE |
337 |
char *mcrypt_enc_get_algorithms_name(MCRYPT td) |
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{ |
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char *(*_mcrypt_get_algorithms_name) (void); |
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|
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_mcrypt_get_algorithms_name = |
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mcrypt_dlsym(td->algorithm_handle, "_mcrypt_get_algorithms_name"); |
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return _mcrypt_get_algorithms_name(); |
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} |
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|
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WIN32DLL_DEFINE |
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int init_mcrypt(MCRYPT td, void *buf, void *a, int b, void *c) |
348 |
{ |
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int (*_init_mcrypt) (void *, void *, int, void *, int); |
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|
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_init_mcrypt = mcrypt_dlsym(td->mode_handle, "_init_mcrypt"); |
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return _init_mcrypt(buf, a, b, c, mcrypt_enc_get_block_size(td)); |
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} |
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|
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WIN32DLL_DEFINE |
356 |
int end_mcrypt(MCRYPT td, void *buf) |
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{ |
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int (*_end_mcrypt) (void *); |
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|
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_end_mcrypt = mcrypt_dlsym(td->mode_handle, "_end_mcrypt"); |
361 |
return _end_mcrypt(buf); |
362 |
} |
363 |
|
364 |
WIN32DLL_DEFINE |
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int mcrypt(MCRYPT td, void *buf, void *a, int b) |
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{ |
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int (*_mcrypt) (void *, void *, int, int, void *, void *, void*); |
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_mcrypt = td->m_encrypt; |
369 |
|
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return _mcrypt(buf, a, b, mcrypt_enc_get_block_size(td), td->akey, |
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td->a_encrypt, td->a_decrypt); |
372 |
} |
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|
374 |
WIN32DLL_DEFINE |
375 |
int mdecrypt(MCRYPT td, void *buf, void *a, int b) |
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{ |
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int (*_mdecrypt) (void *, void *, int, int, void *, void *, void*); |
378 |
|
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_mdecrypt = td->m_decrypt; |
380 |
return _mdecrypt(buf, a, b, mcrypt_enc_get_block_size(td), |
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td->akey, td->a_encrypt, td->a_decrypt); |
382 |
} |
383 |
|
384 |
WIN32DLL_DEFINE |
385 |
char *mcrypt_enc_get_modes_name(MCRYPT td) |
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{ |
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char *(*_mcrypt_get_modes_name) (void); |
388 |
|
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_mcrypt_get_modes_name = mcrypt_dlsym(td->mode_handle, "_mcrypt_get_modes_name"); |
390 |
return _mcrypt_get_modes_name(); |
391 |
} |
392 |
|
393 |
WIN32DLL_DEFINE |
394 |
int mcrypt_enc_is_block_mode(MCRYPT td) |
395 |
{ |
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int (*_is_block_mode) (void); |
397 |
|
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_is_block_mode = mcrypt_dlsym(td->mode_handle, "_is_block_mode"); |
399 |
return _is_block_mode(); |
400 |
} |
401 |
|
402 |
WIN32DLL_DEFINE |
403 |
int mcrypt_enc_mode_has_iv(MCRYPT td) |
404 |
{ |
405 |
int (*_has_iv) (void); |
406 |
|
407 |
_has_iv = mcrypt_dlsym(td->mode_handle, "_has_iv"); |
408 |
return _has_iv(); |
409 |
} |
410 |
|
411 |
WIN32DLL_DEFINE |
412 |
int mcrypt_enc_is_block_algorithm_mode(MCRYPT td) |
413 |
{ |
414 |
int (*_is_a_block_mode) (void); |
415 |
|
416 |
_is_a_block_mode = mcrypt_dlsym(td->mode_handle, "_is_block_algorithm_mode"); |
417 |
return _is_a_block_mode(); |
418 |
} |
419 |
|
420 |
WIN32DLL_DEFINE |
421 |
int mcrypt_enc_self_test(MCRYPT td) |
422 |
{ |
423 |
int (*_self_test) (void); |
424 |
|
425 |
_self_test = mcrypt_dlsym(td->algorithm_handle, "_mcrypt_self_test"); |
426 |
|
427 |
return _self_test(); |
428 |
} |
429 |
|
430 |
WIN32DLL_DEFINE |
431 |
int mcrypt_module_self_test(char *algorithm, char *a_directory) |
432 |
{ |
433 |
int i; |
434 |
void* rr; |
435 |
mcrypt_dlhandle _handle; |
436 |
int (*_self_test) (void); |
437 |
const char* error; |
438 |
|
439 |
if (lt_dlinit() != 0) { |
440 |
return MCRYPT_UNKNOWN_ERROR; |
441 |
} |
442 |
|
443 |
rr = mcrypt_dlopen(&_handle, a_directory, NULL, algorithm); |
444 |
|
445 |
if (!rr) { |
446 |
error=lt_dlerror(); |
447 |
if (error!=NULL) fputs( error, stderr); |
448 |
fputs("\n", stderr); |
449 |
lt_dlexit(); |
450 |
return MCRYPT_UNKNOWN_ERROR; |
451 |
} |
452 |
|
453 |
_self_test = mcrypt_dlsym(_handle, "_mcrypt_self_test"); |
454 |
|
455 |
i = _self_test(); |
456 |
|
457 |
mcrypt_dlclose(_handle); |
458 |
if (lt_dlexit() != 0) { |
459 |
return MCRYPT_UNKNOWN_ERROR; |
460 |
} |
461 |
|
462 |
return i; |
463 |
} |
464 |
|
465 |
WIN32DLL_DEFINE |
466 |
int mcrypt_module_algorithm_version(char *algorithm, char *a_directory) |
467 |
{ |
468 |
int i; |
469 |
mcrypt_dlhandle _handle; |
470 |
int (*_version) (void); |
471 |
const char* error; |
472 |
void* rr; |
473 |
|
474 |
if (lt_dlinit() != 0) { |
475 |
return MCRYPT_UNKNOWN_ERROR; |
476 |
} |
477 |
|
478 |
rr = mcrypt_dlopen(&_handle, a_directory, NULL, algorithm); |
479 |
if (!rr) { |
480 |
error=lt_dlerror(); |
481 |
if (error!=NULL) fputs( error, stderr); |
482 |
fputs("\n", stderr); |
483 |
return MCRYPT_UNKNOWN_ERROR; |
484 |
} |
485 |
|
486 |
_version = mcrypt_dlsym(_handle, "_mcrypt_algorithm_version"); |
487 |
|
488 |
i = _version(); |
489 |
|
490 |
mcrypt_dlclose(_handle); |
491 |
if (lt_dlexit() != 0) { |
492 |
return MCRYPT_UNKNOWN_ERROR; |
493 |
} |
494 |
|
495 |
return i; |
496 |
} |
497 |
|
498 |
WIN32DLL_DEFINE |
499 |
int mcrypt_module_mode_version(char *mode, char *m_directory) |
500 |
{ |
501 |
int i; |
502 |
mcrypt_dlhandle _handle; |
503 |
int (*_version) (void); |
504 |
const char* error; |
505 |
void * rr; |
506 |
|
507 |
if (lt_dlinit() != 0) { |
508 |
return MCRYPT_UNKNOWN_ERROR; |
509 |
} |
510 |
|
511 |
rr = mcrypt_dlopen( &_handle, m_directory, NULL, mode); |
512 |
if (!rr) { |
513 |
error=lt_dlerror(); |
514 |
if(error!=NULL) fputs(error, stderr); |
515 |
fputs("\n", stderr); |
516 |
return MCRYPT_UNKNOWN_ERROR; |
517 |
} |
518 |
|
519 |
_version = mcrypt_dlsym( _handle, "_mcrypt_mode_version"); |
520 |
|
521 |
i = _version(); |
522 |
|
523 |
mcrypt_dlclose(_handle); |
524 |
if (lt_dlexit() != 0) { |
525 |
return MCRYPT_UNKNOWN_ERROR; |
526 |
} |
527 |
|
528 |
return i; |
529 |
} |
530 |
|
531 |
WIN32DLL_DEFINE |
532 |
int mcrypt_module_is_block_algorithm(char *algorithm, char *a_directory) |
533 |
{ |
534 |
int i; |
535 |
mcrypt_dlhandle _handle; |
536 |
int (*_is_block_algorithm) (void); |
537 |
const char* error; |
538 |
void * rr; |
539 |
|
540 |
if (lt_dlinit() != 0) { |
541 |
return MCRYPT_UNKNOWN_ERROR; |
542 |
} |
543 |
|
544 |
rr = mcrypt_dlopen( &_handle, a_directory, NULL, algorithm); |
545 |
if (!rr) { |
546 |
error=lt_dlerror(); |
547 |
if(error!=NULL) fputs( error, stderr); |
548 |
fputs("\n", stderr); |
549 |
return MCRYPT_UNKNOWN_ERROR; |
550 |
} |
551 |
|
552 |
_is_block_algorithm = mcrypt_dlsym(_handle, "_is_block_algorithm"); |
553 |
|
554 |
i = _is_block_algorithm(); |
555 |
|
556 |
mcrypt_dlclose(_handle); |
557 |
if (lt_dlexit() != 0) { |
558 |
return MCRYPT_UNKNOWN_ERROR; |
559 |
} |
560 |
|
561 |
return i; |
562 |
} |
563 |
|
564 |
WIN32DLL_DEFINE |
565 |
int mcrypt_module_is_block_algorithm_mode(char *mode, char *m_directory) |
566 |
{ |
567 |
int i; |
568 |
mcrypt_dlhandle _handle; |
569 |
int (*_is_a_block_mode) (void); |
570 |
const char* error; |
571 |
void * rr; |
572 |
|
573 |
if (lt_dlinit() != 0) { |
574 |
return MCRYPT_UNKNOWN_ERROR; |
575 |
} |
576 |
|
577 |
rr = mcrypt_dlopen( &_handle, m_directory, NULL, mode); |
578 |
if (!rr) { |
579 |
error=lt_dlerror(); |
580 |
if(error!=NULL) fputs( error, stderr); |
581 |
fputs("\n", stderr); |
582 |
return MCRYPT_UNKNOWN_ERROR; |
583 |
} |
584 |
|
585 |
_is_a_block_mode = mcrypt_dlsym(_handle, "_is_block_algorithm_mode"); |
586 |
|
587 |
i = _is_a_block_mode(); |
588 |
|
589 |
mcrypt_dlclose(_handle); |
590 |
if (lt_dlexit() != 0) { |
591 |
return MCRYPT_UNKNOWN_ERROR; |
592 |
} |
593 |
|
594 |
return i; |
595 |
} |
596 |
|
597 |
WIN32DLL_DEFINE |
598 |
int mcrypt_module_is_block_mode(char *mode, char *m_directory) |
599 |
{ |
600 |
void * rr; |
601 |
int i; |
602 |
mcrypt_dlhandle _handle; |
603 |
int (*_is_block_mode) (void); |
604 |
const char* error; |
605 |
|
606 |
if (lt_dlinit() != 0) { |
607 |
return MCRYPT_UNKNOWN_ERROR; |
608 |
} |
609 |
|
610 |
rr = mcrypt_dlopen( &_handle, m_directory, NULL, mode); |
611 |
if (!rr) { |
612 |
error=lt_dlerror(); |
613 |
if(error!=NULL) fputs( error, stderr); |
614 |
fputs("\n", stderr); |
615 |
return MCRYPT_UNKNOWN_ERROR; |
616 |
} |
617 |
|
618 |
_is_block_mode = mcrypt_dlsym(_handle, "_is_block_mode"); |
619 |
|
620 |
i = _is_block_mode(); |
621 |
|
622 |
mcrypt_dlclose(_handle); |
623 |
if (lt_dlexit() != 0) { |
624 |
return MCRYPT_UNKNOWN_ERROR; |
625 |
} |
626 |
|
627 |
return i; |
628 |
} |
629 |
|
630 |
WIN32DLL_DEFINE |
631 |
int mcrypt_module_get_algo_block_size(char *algorithm, char *a_directory) |
632 |
{ |
633 |
int i; |
634 |
mcrypt_dlhandle _handle; |
635 |
int (*_get_block_size) (void); |
636 |
const char* error; |
637 |
void * rr; |
638 |
|
639 |
if (lt_dlinit() != 0) { |
640 |
return MCRYPT_UNKNOWN_ERROR; |
641 |
} |
642 |
|
643 |
rr = mcrypt_dlopen( &_handle, a_directory, NULL, algorithm); |
644 |
if (!rr) { |
645 |
error=lt_dlerror(); |
646 |
if(error!=NULL) fputs( error, stderr); |
647 |
fputs("\n", stderr); |
648 |
return MCRYPT_UNKNOWN_ERROR; |
649 |
} |
650 |
|
651 |
_get_block_size = mcrypt_dlsym(_handle, "_mcrypt_get_block_size"); |
652 |
|
653 |
i = _get_block_size(); |
654 |
|
655 |
mcrypt_dlclose(_handle); |
656 |
if (lt_dlexit() != 0) { |
657 |
return MCRYPT_UNKNOWN_ERROR; |
658 |
} |
659 |
|
660 |
return i; |
661 |
} |
662 |
|
663 |
WIN32DLL_DEFINE |
664 |
int mcrypt_module_get_algo_key_size(char *algorithm, char *a_directory) |
665 |
{ |
666 |
int i; |
667 |
mcrypt_dlhandle _handle; |
668 |
int (*_get_key_size) (void); |
669 |
const char* error; |
670 |
void * rr; |
671 |
|
672 |
if (lt_dlinit() != 0) { |
673 |
return MCRYPT_UNKNOWN_ERROR; |
674 |
} |
675 |
|
676 |
rr = mcrypt_dlopen( &_handle, a_directory, NULL, algorithm); |
677 |
if (!rr) { |
678 |
error=lt_dlerror(); |
679 |
if(error!=NULL) fputs( error, stderr); |
680 |
fputs("\n", stderr); |
681 |
return MCRYPT_UNKNOWN_ERROR; |
682 |
} |
683 |
|
684 |
_get_key_size = mcrypt_dlsym(_handle, "_mcrypt_get_key_size"); |
685 |
|
686 |
i = _get_key_size(); |
687 |
|
688 |
mcrypt_dlclose(_handle); |
689 |
if (lt_dlexit() != 0) { |
690 |
return MCRYPT_UNKNOWN_ERROR; |
691 |
} |
692 |
|
693 |
return i; |
694 |
} |
695 |
|
696 |
WIN32DLL_DEFINE |
697 |
int *mcrypt_module_get_algo_supported_key_sizes(char *algorithm, |
698 |
char *a_directory, |
699 |
int *len) |
700 |
{ |
701 |
mcrypt_dlhandle _handle; |
702 |
int *(*_mcrypt_get_key_sizes) (int *); |
703 |
int *size; |
704 |
const char* error; |
705 |
void * rr; |
706 |
|
707 |
if (lt_dlinit() != 0) { |
708 |
*len = 0; |
709 |
return NULL; |
710 |
} |
711 |
|
712 |
rr = mcrypt_dlopen( &_handle, a_directory, NULL, algorithm); |
713 |
if (!rr) { |
714 |
error=lt_dlerror(); |
715 |
if(error!=NULL) fputs( error, stderr); |
716 |
fputs("\n", stderr); |
717 |
*len = 0; |
718 |
return NULL; |
719 |
} |
720 |
|
721 |
_mcrypt_get_key_sizes = |
722 |
mcrypt_dlsym(_handle, "_mcrypt_get_supported_key_sizes"); |
723 |
|
724 |
size = _mcrypt_get_key_sizes(len); |
725 |
|
726 |
mcrypt_dlclose(_handle); |
727 |
if (lt_dlexit() != 0) { |
728 |
return NULL; |
729 |
} |
730 |
|
731 |
return size; |
732 |
} |