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It is the first algorithm that can be used both for data encryption and digital signature. It is easy to understand and operate, and very popular. The name of the algorithm is named after the inventor: Ron Rivest, Adi Shamir and Leonard Adleman. But the security of RSA has not been proved theoretically. It has undergone various attacks and has not yet been completely breached. One, RSA algorithm: First, find out three number, p,q,r, where P,q is two different prime numbers, R is with (P-1) (q-1) coprime number ... p,q ...

The industry-renowned RSA Conference of information security events will be held in Beijing from November 2, 2011 to 3rd, the Second International Forum on Information Security held by RSA in China. Today, the RSA General Assembly Technical Committee officially released the theme and main topics of this meeting. RSA chief Technology Officer Bret Hartman said that the RSA 2011 Forum theme was Alice & Bob, still continuing the theme of this year's San Francisco Congress in February. Because Alice and Bob's initials were A, B, and ...

The industry-renowned RSA Conference of information security events will be held in Beijing from November 2, 2011 to 3rd, the Second International Forum on Information Security held by RSA in China. 　　Today, the RSA General Assembly Technical Committee officially released the theme and main topics of this meeting. RSA chief Technology Officer Bret Hartman said that the RSA 2011 Forum theme was Alice & Bob, still continuing the theme of this year's San Francisco Congress in February. Because Alice and Bob's initials were a ...

Section III encryption algorithm 1, RSA algorithm It is the first algorithm that can be used both for data encryption and digital signature. It is easy to understand and operate, and very popular. The name of the algorithm is named after the inventor: Ron Rivest, Adi Shamir and Leonard Adleman. But the security of RSA has not been proved theoretically. It has undergone various attacks and has not yet been completely breached. RSA algorithm: First, find out three number, p,q,r, where P,q is two different prime numbers, R is with (p-1) (q-...

We know that PGP (pretty) is the most popular kind of encryption software at present, it is a mail encryption software based on RSA public key encryption system. We can use it to keep the message confidential to prevent unauthorized reading, and it can also digitally sign the user's message so that the recipient can be sure of the sender's identity. It allows users to communicate securely with people they have never seen before, without requiring any secrecy to pass the key, because it uses an asymmetric "public key" and "private key" encryption system. But PGP is not a completely asymmetric addition ...

PGP is a mail encryption software based on RSA public key encryption system. You can use it to keep your emails secret to prevent unauthorized reading, and it can also digitally sign your emails so that the recipient can be sure you sent them. It allows you to safely communicate with people you've never met before, and you don't need any confidential channels to pass the keys. It uses: Prudent Key management, a RSA and traditional encryption of the hybrid algorithm for digital signature of the message digest algorithms, encryption, and so on, there is a good ergonomics design. It's powerful and fast. And...

This article mainly introduces some principles and background knowledge about PGP implementation. Other documents on the installation and use of PGP refer to other documentation provided with this article. PGP pretty-Privacy is a mail encryption software based on RSA public key encryption system. You can use it to keep your emails secret to prevent unauthorized reading, and it can also digitally sign your emails so that the recipient can be sure you sent them. It allows you to safely communicate with people you've never seen before, and you don't need any confidential channels to pass the secret.

E-Mail has become the most convenient way of communication in the Internet age, because of the freedom of the Internet, so the security of the mail is becoming more and more prominent. Today, with the popularity of the Internet, e-mail is becoming more and more popular, open a book or magazine newspaper, have an e-mail address, even the ads are marked with e-mail address; this has become a fashion, the most convenient way to communicate in the Internet era, save money, fast. It is because of the freedom of the Internet, so the security of the message is increasingly prominent. e-mail Message delivery, general ...

In modern society, e-mail and file transfer on the network has become a part of life, the security of the message is increasingly prominent. It is well known that the data transmitted over the Internet is usually unencrypted, and if you do not protect your important information, the third party will easily gain your privacy. Another problem is information authentication, that is, how to convince the recipient that the message has not been tampered with by a third person, which requires digital signature technology. PGP is such a product. Pgp--pretty is a Privacy based RSA public key encryption ...

I. Preface: With the vigorous development of the Internet network, the application of various networks continue to be new, in our daily life, whether it is a routine or office business, the network for you and I, is already an indispensable part of life! There are many times when we need to use the help of the Internet to disseminate messages or to get the information we want through the Internet. The network is so convenient and easy to use, but have you ever worried: if it is important and extremely confidential information, in the vast network of the sea, how to ensure the security and confidentiality of information? Yes, information security is a very important subject. Internet ...