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Print a warning message when using an insecure algorithm
author Guido Berhoerster <guido+sencrypt@berhoerster.name>
date Sat, 03 Sep 2016 14:02:42 +0200
parents fcaa8b650cdd
children b7309b030e8d
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1 sencrypt
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2 ========
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3
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4 Description
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5 -----------
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6
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7 sencrypt and sdecrypt are utilities for encrypting and decrypting data with the
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8 AES, DES, 3DES, and RC4 algorithms. It can read keys from files or ask for a
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9 passphrase and use that together with a salt to derive a key using the PBKDF2
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10 key derivation function.
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11
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12 sencrypt and sdecrypt are portable and compatible reimplementations of the
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13 encrypt and decrypt utilities in Solaris/Illumos-based operating systems.
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14
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15 Build Instructions
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16 ------------------
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17
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18 sencrypt requires a POSIX:2004 compatible operating system, it has been tested
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19 to work on Linux distributions, FreeBSD, Solaris and Illumos-derived
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20 distributions, UnixWare, and OpenServer. The following tools and shared
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21 libraries are required to build sencrypt:
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22
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23 - GNU make >= 3.81
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24 - GNU or BSD install
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25 - OpenSSL
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26
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27 Rebuilding the man pages additionally requires the xsltproc tool from libxml2.
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28
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29 Before building sencrypt check the commented macros in the Makefile for any
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30 macros you may need to override depending on the used toolchain and operating
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31 system.
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32
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33 By default, all files will be installed under the "/usr/local" directory, a
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34 different installation path prefix can be set via the `prefix` macro. In
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35 addition, a second path prefix can be specified via the `DESTDIR` macro which
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36 will be prepended to any path, incuding the `prefix` macro path prefix. In
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37 contrast to `prefix`, the path specified via the `DESTDIR` macro will only be
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38 prepended to paths during installation and not be used for constructing
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39 internal paths.
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40
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41 The following instructions assume that `make` is GNU make, on some platforms
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42 it may be installed under a different name or a non-default path. In order to
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43 start the build process run `make all`. After a successful build, run `make
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44 install` to install the program, any associated data files and the
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45 documentation.
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46
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47 Previously built binaries, object files, generated data files and
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48 documentation can be removed by running `make clean`, any additional,
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49 generated files which are not removed by the `clean` target can be removed by
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50 running `make clobber`.
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51
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52 Contact
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53 -------
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54
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55 Please send any feedback, translations or bug reports via email to
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56 <guido+sencrypt@berhoerster.name>.
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57
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58 Bug Reports
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59 -----------
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60
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61 When sending bug reports, please always mention the exact version of sencrypt
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62 with which the issue occurs as well as the version of the operating system you
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63 are using and make sure that you provide sufficient information to reproduce
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64 the issue and include any input, output, any error messages.
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65
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66 In case of build issues, please also specify the implementations and versions
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67 of the tools and shared libraries used to build the program, in particular the
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68 compiler.
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69
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70 In case of crashes, please generate a stack trace with a suitable debugger
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71 such as gdb, lldb, dbx, or debug after a crash has occurred either by
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72 examining the resulting core file or by running the program from the debugger
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73 and attach it to the bug report. In order to generate a meaningful stack
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74 trace the program as well as any dynamically linked libraries need to be built
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75 with debugging information, see the documentation of the used compiler for the
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76 required compiler flags. If any of the dynamically linked shared libraries do
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77 not contain debugging information, please either install debugging information
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78 for these libraries using mechanisms provided by your operating system or
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79 rebuild the libraries accordingly. Please refer to the documentation of the
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80 debugger for detailed instructions on generating backtraces.
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81
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82 License
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83 -------
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84
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85 Except otherwise noted, all files are Copyright (C) 2014 Guido Berhoerster and
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86 distributed under the following license terms:
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87
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88 Copyright (C) 2014 Guido Berhoerster <guido+sencrypt@berhoerster.name>
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89
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90 Permission is hereby granted, free of charge, to any person obtaining
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91 a copy of this software and associated documentation files (the
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92 "Software"), to deal in the Software without restriction, including
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93 without limitation the rights to use, copy, modify, merge, publish,
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94 distribute, sublicense, and/or sell copies of the Software, and to
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95 permit persons to whom the Software is furnished to do so, subject to
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96 the following conditions:
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97
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98 The above copyright notice and this permission notice shall be included
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99 in all copies or substantial portions of the Software.
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100
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101 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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102 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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103 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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104 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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105 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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106 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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107 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.