Cryptographic Software PGP Tutorial

PGP encryption software is the United States Receptacle Associate Inc. produced free software, it can be used to encrypt files, mail, in common WinZip, WORD, ARJ, Excel and other software encryption functions can be cracked, choose PGP on their own private documents, Encrypting a message is a good idea. In addition, you can also have PGP software with friends to pass each other encrypted files, security is very secure. PGP version 6.5 is a free version, can be downloaded on the www.pgp.com, the size of about 7.8M, acceptable is it. First, the installation of PGP installation is very simple, and the usual software installation, just follow the prompts step-by-step "next" to complete. In the following screen you can choose the option to install, if you choose the "PGPnet virtual Private Networking", and then select the corresponding Plugin, such as "PGP Microsoft Outlook Express Plugin", 　You can use PGP to encrypt mail directly in Outlook Express, which refers to the content of the encrypted message, which we will talk about in detail later. 498) this.width=498 ' OnMouseWheel = ' javascript:return big (This) ' src= '/files/uploadimg/20051219/0223300.jpg ' > Ii. Key pieces before using PGP, you first need to generate a pair of keys, this pair of keys is actually generated at the same time, one of which we call the public key, which means a common key, you can distribute it to your friends, let them use this key to encrypt the file, another we call the private key, this key is saved by you, You use this key to unlock the encrypted file. Open the "PGP KEYS" of "PGP" in Start, and you can see the following screen. Click on the icon or use the menu Key>new key to start generating the key. 　PGP has a good key generation Wizard, just follow it step-by-step to generate the key, OK, let's go! 498) this.width=498 ' OnMouseWheel = ' javascript:return big (This) ' src= '/files/uploadimg/20051219/0223301.jpg ' > As a first step, PGP prompts the wizard to generate a pair of keys that you can use to encrypt files or sign digital files.　　Hurry up and "next" O.K. 498) this.width=498; ' OnMouseWheel = "Javascript:return Big" src= "/files/uploadimg/20051219/0223302.jpg" > The second step, PGP will require you to enter your full name and email address.　Although the real name is not necessary, entering a name that your friends understand will make them find the key that they want to encrypt quickly. 　 498) this.width=498 ' OnMouseWheel = ' javascript:return big (This) ' src= '/files/uploadimg/20051219/0223303.jpg ' > In the third step, select an encryption type.　PGP5.0 Previous versions of RSA encryption method, but after 5.0 often choose the more advanced first type. 498) this.width=498 ' OnMouseWheel = ' javascript:return big (This) ' src= '/files/uploadimg/20051219/0223304.jpg ' > Step fourth, specify the length of the key. In general, the greater the number of digits to be decrypted the less likely the more secure, but in the implementation of decryption and encryption will require more time, generally 2048-bit on the OK. The fifth step, PGP will ask you the expiration date of the key, you can choose never expire or specify a date as the limit of expiration. Sixth step, please repeat your password. Suggest your password is more than 8 digits, and it is best to include the case, space, number, punctuation, etc., in order to facilitate memory you can use a sentence as your key, such as Amy is a perton old. The best thing about PGP is that it is supported in Chinese as a password, so you can also enter "Romeo and Juliet" as a password to exchange with your girlfriend. 　 　The "Hide Typing" on the edge indicates whether the password you typed is displayed. 498) this.width=498 ' OnMouseWheel = ' javascript:return big (This) ' src= '/files/uploadimg/20051219/0223305.jpg ' > The seventh step, then PGP will take a little time to generate your key, and then ask you whether you want to send your public key to the server, generally we will not do so, so always "next" can be done. Eighth step, send your public key to your friend. Use the shortcut key Ctrl or menu Keys>emport to export your key to a file with the extension ASC or TXT, and send it to your friends. (The other side uses CTRL orKeys>import import) Three, encrypt, decrypt the file encryption is very simple, only to select the file, and then click on the right button PGP encrypt, will pop up a dialog box to let you select the key you want to use, double-click to add it to the following recipients box can be. 498) this.width=498 ' OnMouseWheel = ' javascript:return big (This) ' src= '/files/uploadimg/20051219/0223306.jpg ' > When decrypting, double-click the file with the extension PGP or select it and click on the Pgp>decrypt in the right key, and enter the password in the box below. 498) this.width=498 ' OnMouseWheel = ' javascript:return big (This) ' src= '/files/uploadimg/20051219/0223307.jpg ' > If you want to encrypt a message directly in Outlook Express or Outlook, you can click the icon in the toolbar when you write a new message PGP Encrypt, when the message is finished sending, PGP will be as shown in the pop-up dialog box, please select the key, the above operation can be. Okay, now you're going to use PGP? If you have any questions, please feel free to discuss. Hongnanfei@21cn.com. To force (0 Votes) Tempted (0 Votes) nonsense (0 Votes) Professional (0 Votes) The title of the party (0 Votes) passed (0 Votes) original text: Encryption software PGP tutorial return to the column Recycle Bin Home