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1.1 ! root 1: Pretty Good Privacy version 2.0 - Installation Guide ! 2: ! 3: ! 4: ! 5: How to Install PGP ! 6: ================== ! 7: ! 8: The first question is, what platform are you on? ! 9: ! 10: PGP 2.0 runs on several varieties of Unix, MS-DOS, VAX VMS, Ataris, ! 11: Amigas, and possibly other operating systems. Naturally, installation ! 12: instructions differ depending on your hardware. Separate instructions ! 13: are provided here for MSDOS and Unix. ! 14: ! 15: No matter what the machine you are on, though, do this... ! 16: ! 17: STEP 1: ! 18: READ THE DOCUMENTATION. At least read Volume I of the PGP User's ! 19: Guide. Cryptography software is easy to misuse, and if you don't use ! 20: it properly much of the security you could gain by using it will be ! 21: lost! You might also be unfamiliar with the concepts behind public ! 22: key cryptography; the manual explains these ideas. Even if you are ! 23: already familiar with Public Key Cryptography, it is important that ! 24: you understand the various security issues associated with using ! 25: PGP. It may not be important to read the fine print on a box of ! 26: breakfast cereal, but it may be crucial to read the label of a ! 27: prescription drug. Cryptography software is like pharmaceuticals-- ! 28: so read the manual! ! 29: ! 30: See the section below for your system's particular installation ! 31: instructions. ! 32: ! 33: If you do not have any of these systems, you will either have to port ! 34: the sources to your machine or find someone who has already done so. ! 35: ! 36: ###################################################################### ! 37: For MSDOS: ! 38: ! 39: PGP is distributed in a compressed archive format, which keeps all ! 40: the relevant files grouped together, and also saves disk space and ! 41: transmission time. ! 42: ! 43: The current version, 2.0, is archived with the PKZIP utility, and the ! 44: PGP executable binary release system is in a file named PGP20.ZIP. ! 45: This contains the executable program, the user documentation, and a ! 46: few keys and signatures. There is also a second file available ! 47: containing the C and assembly source code, called PGP20SRC.ZIP; unless ! 48: you are a programmer interested in cryptography, it is probably of ! 49: little interest to you. It may or may not be available from the ! 50: source from which you get PGP20.ZIP; if not, and you want it, see the ! 51: Licensing and Distribution section of the PGP User's Guide. ! 52: ! 53: You will need PKUNZIP version 1.1 or later to uncompress and split ! 54: the PGP20.ZIP archive file into individual files. PKUNZIP is ! 55: shareware and is widely available on MSDOS machines. ! 56: ! 57: Create a directory for the PGP files. For this description, let's ! 58: use the directory C:\PGP as an example, but you should substitute ! 59: your own disk and directory name if you use something different. ! 60: Type these commands to make the new directory: ! 61: ! 62: c: ! 63: md \pgp ! 64: cd \pgp ! 65: ! 66: Uncompress the distribution file PGP20.ZIP to the directory. For ! 67: this example, we will assume the file is on floppy drive A - if not, ! 68: substitute your own file location. ! 69: ! 70: pkunzip a:pgp20 ! 71: ! 72: ! 73: Setting the Environment ! 74: ----------------------- ! 75: ! 76: Next, you can set an MSDOS "environment variable" to let PGP know ! 77: where to find its special files, in case you use it from other than ! 78: the default PGP directory. Use your favorite text editor to add the ! 79: following lines to your AUTOEXEC.BAT file (usually on your C: drive): ! 80: ! 81: SET PGPPATH=C:\PGP ! 82: SET PATH=C:\PGP;%PATH% ! 83: ! 84: Substitute your own directory name if different from "C:\PGP". ! 85: ! 86: Another environmental variable you should set in MSDOS is "TZ", which ! 87: tells MSDOS what time zone you are in, which helps PGP create GMT ! 88: timestamps for its keys and signatures. If you properly define TZ in ! 89: AUTOEXEC.BAT, then MSDOS gives you good GMT timestamps, and will ! 90: handle daylight savings time adjustments for you. Here are some ! 91: sample lines to insert into AUTOEXEC.BAT, depending on your time ! 92: zone: ! 93: ! 94: For Colorado: SET TZ = MST7MDT ! 95: For Arizona: SET TZ = MST7 ! 96: (Arizona never uses daylight savings time) ! 97: For Chicago: SET TZ = CST6CDT ! 98: For New York: SET TZ = EST5EDT ! 99: For London: SET TZ = GMT0BST ! 100: For Amsterdam: SET TZ = MET-1DST ! 101: ! 102: Now reboot your system to run AUTOEXEC.BAT and set up PGPPATH and TZ ! 103: for you. ! 104: ! 105: ! 106: ! 107: Generating Your First Key ! 108: ------------------------- ! 109: ! 110: One of the first things you will want to do to really use PGP (other ! 111: than to test itself) is to generate your own key. This is described ! 112: in more detail in the "RSA Key Generation" section of PGP User's ! 113: Guide. Remember that your key becomes something like your written ! 114: signature or your bank card code number or even a house key - keep it ! 115: secret and keep it secure! Use a good, unguessable pass phrase and ! 116: remember it. Right after you generate a key, put it on your key ! 117: rings and copy your secret keyring (SECRING.PGP) to a blank floppy ! 118: and write protect the floppy. ! 119: ! 120: After you generate your own key pair, you can add a few more public ! 121: keys to your key ring. A collection of sample public keys is ! 122: provided with the release in the file KEYS.ASC. To add them to your ! 123: public key ring, see the PGP User's Guide, in the section on adding ! 124: keys to your key ring. ! 125: ! 126: ! 127: ###################################################################### ! 128: For UNIX: ! 129: ! 130: You likely will have to compile PGP for your system; to do this, first ! 131: make sure the unpacked files are in the correct unix textfile format ! 132: (the files in pgp20src.zip are in MSDOS CRLF format, so for unix you ! 133: must unpack with "unzip -a"). Then copy the file "makefile.unx" in the ! 134: distribution to "Makefile". ! 135: ! 136: If you don't have an ANSI C compiler you will need the unproto package ! 137: written by Wietse Venema. unproto was posted on comp.sources.misc and ! 138: can be obtained from the various sites that archive this newsgroup ! 139: (volume 23: v23i012 and v23i013) or ftp.win.tue.nl file: ! 140: /pub/programming/unproto4.shar.Z Read the file README in the unproto ! 141: distribution for instructions on how to use unproto. The unix makefile ! 142: for pgp (makefile.unx) contains a few targets for compliling with ! 143: unproto, these assume you have unpacked unproto in a subdirectory ! 144: "unproto" in the pgp "src" directory. ! 145: ! 146: ! 147: Then... ! 148: ! 149: type: ! 150: "make sungcc" for Sun with GNU gcc ! 151: "make suncc" for Sun with cc and unproto ! 152: "make sysv_386" for SVR4 386 with asm primitives ! 153: "make x286" for XENIX/286 with asm primitives and unproto ! 154: "make ultrix" for DEC 4.2BSD Ultrix with gcc ! 155: "make rs6000" for RS6000 AIX ! 156: ! 157: If your system doesn't have a target in makefile.unx you will have to ! 158: edit the makefile, make sure you compile for the correct byte order for ! 159: your system: define HIGHFIRST if your system is big-endian (eg. Motorola ! 160: 68030). ! 161: ! 162: If all goes well, you will end up with an executable file called "pgp". ! 163: ! 164: Before you install pgp, run these tests: ! 165: (do not create your real public key yet, this is just for testing pgp) ! 166: ! 167: - create a public/secret key pair (enter "test" as userid/password): ! 168: pgp -kg ! 169: ! 170: - add the sample keys from the file "keys.asc" to the public keyring: ! 171: pgp -ka keys.asc ! 172: pgp will ask if you want to sign the keys you are adding, answer yes ! 173: for at least one key. ! 174: ! 175: - do a keyring check: ! 176: pgp -kc ! 177: ! 178: - encrypt pgpdoc1.txt: ! 179: pgp -e pgpdoc1.txt test -o testfile.pgp ! 180: ! 181: - decrypt this file: ! 182: pgp testfile.pgp ! 183: ! 184: this should produce the file "testfile" compare this file with pgpdoc1.txt ! 185: ! 186: If everything went well, install pgp in a bin directory. ! 187: ! 188: Place the documentation, pgpdoc1.txt and pgpdoc2.txt somewhere where ! 189: you can reasonably read it; since it's for you, not the software, the ! 190: location doesn't really matter. ! 191: ! 192: Place the man page (pgp.1) in an appropriate spot. If you don't know ! 193: anything about how man pages work, you can make the man page look ! 194: human readable yourself by typing "nroff -man pgp.1 >pgp.man" and ! 195: reading "pgp.man". ! 196: ! 197: Create a subdirectory somewhere in your home directory hierarchy to ! 198: hold your public and private key rings and anything else pgp might ! 199: need (like the language.txt file). You must set the environment ! 200: variable "PGPPATH" to point to this place before you use the system. ! 201: Copy the files "language.txt", "config.txt", and the ".hlp" files from ! 202: the distribution into this subdirectory. ! 203: ! 204: IMPORTANT: THIS DIRECTORY CANNOT BE SHARED! IT WILL CONTAIN YOUR ! 205: PERSONAL PRIVATE KEYS! ! 206: ! 207: IMPORTANT: PLEASE READ THE SECTIONS IN THE MAN PAGE AND MANUAL ABOUT ! 208: VULNERABILITIES BEFORE EVEN THINKING ABOUT USING THIS SOFTWARE ON A ! 209: MULTI-USER MACHINE!!!! ! 210: ! 211: Now, if you haven't done so yet, GO READ THE MANUAL. ! 212: ! 213: ! 214: ###################################################################### ! 215: For VMS: ! 216: ! 217: Read the file readme.vms in the vms subdirectory ! 218: ! 219: ###################################################################### ! 220: For Amiga: ! 221: ! 222: [This space intentionally left blank] ! 223: ! 224: ###################################################################### ! 225: For Atari: ! 226: ! 227: [This space intentionally left blank] ! 228: ###################################################################### ! 229: ! 230:
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