| What is PGP? | | | | plaintext is called decryption. |
| PGP (Pretty Goog Privacy) is a computer program | | | | Who Creates PHP? |
| which has an ability to encrypt and decrypt data. As | | | | It was Philip Zimmermann, who had created the first |
| an example, PGP encrypts a word "Billy" to | | | | program. He is a hero for pro-privacy activist. He |
| "478jgR%SG$87". And it can be decrypted to | | | | worked as a Computer Security Consultant in Bouldier, |
| become "Billy" again if you have PGP in your | | | | Colorado at that time. The next PGP was made by a |
| computer. | | | | company in California, Network Associates, which had |
| PGP gives privacy to your files and emails. It encrypts | | | | bought the Zimmermann company, PGP Inc. |
| your emails and no one can read them but a recipient. | | | | Cryptography |
| PGP is pretty tough for any activites that tend to | | | | It is a mathematics method to encrypt and decrypt |
| decipher data in order to be readable. | | | | data. It is combined with key (words, digit or phrases to |
| It can also be used as a message's digital signature | | | | encrypt plaintext). The same plaintext will be converted |
| without encrypting the message. This is usually used at | | | | to ciphertext with a different key. The safety of an |
| public posting wherever you don't want to hide the | | | | encrypted data depends on two things: They are the |
| words you say. But you want other people to be | | | | power of cryptographic's algorithm and a key's secret. |
| convinced that the message is from you. | | | | Who needs PGP? |
| Encryption and Decryption | | | | For those who appreciate privacy, a politican who |
| Data which can be easily read is called plaintext or | | | | uses PGP for campaign, a company which uses it to |
| cleartext . The method to hide plaintext as hard as | | | | keep it's product secret. PGP also help secure money |
| possible is called Encryption. To encrypt plaintext | | | | transaction, for example Electronic Frountier |
| produces unreadable random character which is called | | | | Foundations uses PGP to encrypt account numbers of |
| chipertext. A process that turns back chipertext into | | | | their members so that they can pay through emails. |