/******************************************************************* * *	Copyright (c) 1994-1999 Jetico, Inc., Finland *	All rights reserved. * *	File: pwdlg.cc *	Revision:  $Id: pwldlg.cpp,v 1.1 2005/05/12 09:51:39 crypt Rel-1.6-3 $ *	Created: *	Description: implementation of procedures that support  *		dialog for accepting user's password and  *		support generation of seed value for  *		random key generation * *******************************************************************/#include <stdio.h>#include <unistd.h>#include <string.h>#include <bc_types.h>#include "kg_defs.h"#include "kg_misc.h"#include "pwldlg.h"char pwldlg_cpp[]="$Id: pwldlg.cpp,v 1.1 2005/05/12 09:51:39 crypt Rel-1.6-3 $";/* Global data */// DWORD   SeedCounter, SeedLength;/* Exported procedures */DWORD GetPassword( 			char *text,	// Text, containing filename of the container			char *caption,	// Caption of the "get password" dialog 			char   *password 		){    char *pwd;    if (text) printf ("%s\n",text);    if (! (pwd = getpass (caption))) return ERROR_INTERNAL_PROBLEM;    strncpy(password,pwd,PASSWORD_MAXIMUM_LENGTH);    ShredData( (BYTE *)pwd, strlen(pwd) );    return ERROR_NO;}DWORD GetPasswordWithVerification(				char *text,	// Text, containing filename of the container				char *caption,	// Caption of the "get password" dialog window				char   *password 				){    char *pwd;    if (text) printf ("%s\n",text);    do       if (! (pwd  = getpass (caption))) return ERROR_INTERNAL_PROBLEM;    while (strlen(pwd) < PASSWORD_MINIMUM_LENGTH && printf("Passwword too short.\n"));    strncpy(password,pwd,PASSWORD_MAXIMUM_LENGTH);    ShredData( (BYTE *)pwd, strlen(pwd) );        if (! (pwd = getpass ("Verify password: "))) return ERROR_INTERNAL_PROBLEM;    if (strlen(pwd) != strlen(password) || strncmp(pwd,password,strlen(pwd) < PASSWORD_MAXIMUM_LENGTH ? strlen(password) : PASSWORD_MAXIMUM_LENGTH))      return ERROR_USER_PASSWORDS_MISMATCH;    ShredData( (BYTE *)pwd, strlen(pwd) );    return ERROR_NO;}DWORD GetSeedValue( 			BYTE  *seed, 			DWORD seedLength ){    FILE *fd;        if (! (fd=fopen("/dev/random","r"))) return ERROR_INTERNAL_PROBLEM;        for ( DWORD i=0; i<seedLength; i++ )        seed[i]=(char)fgetc(fd);    fclose (fd);    return ERROR_NO;}