Rc4 wiki

RC4¶ basic introduction¶ Designed by Ron Rivest, RSA was originally part of RSA Security and is a patented cryptographic product. It is a byte-oriented stream cipher with a variable key length that is very simple, but it works. The RC4 algorithm is widely used in the SSL/TLS protocol and the WEP/WPA protocol. Basic Process¶

Template:For. Template:Infobox Encryption method. In cryptography, RC4 (also known as ARC4 or ARCFOUR meaning Alleged RC4, see below) is the most widely-used software stream cipher and is used in popular protocols such as Secure Sockets Layer (SSL) (to protect Internet traffic) and WEP (to secure wireless networks). ] 、RC4の名称を使うことはできない。それで、RC4はしばしば、商標問題を回避するために "ARCFOUR"（Alleged-RC4, なぜならば、RSA社は公式にはアルゴリズムをリリースしていないから）という名前が使用されることがある。 RC4¶ basic introduction¶ Designed by Ron Rivest, RSA was originally part of RSA Security and is a patented cryptographic product. It is a byte-oriented stream cipher with a variable key length that is very simple, but it works. The RC4 algorithm is widely used in the SSL/TLS protocol and the WEP/WPA protocol. Basic Process¶ RC4 byla původně obchodním tajemstvím, ale v září 1994 byl popis šifry anonymně zaslán do Cypherpunks, odkud byl odeslán do usenetové skupiny sci.crypt a odtamtud se volně šířil po Internetu. Zveřejnění kódu zneplatnilo obchodní tajemství, ale problém nastal s názvem RC4, který byl chráněn ochranou známkou. RC4 (Ron's Code 4, Rivest Cipher 4, ARC4, ARCFOUR) on RSA Laboratoriesin (nykyisin RSA Security) työntekijän Ronald Rivestin 1987 suunnittelema salaus algoritmi.RC4 on symmetrinen jonosalaaja, se salaa tiedon yksi tavu kerrallaan. צופן rc4 הוא צופן זרם סינכרוני המיועד לתוכנה, פשוט ביותר וקל ליישום והטמעה בחומרה ובתוכנה. עקב פשטותו הרבה היה בעבר בשימוש נרחב ב פרוטוקולי אבטחה רבים כגון SSL לאבטחת תעבורת הרשת וכן WEP .

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* an asterisk starts an unordered list * and this is another item in the list + or you can also use the + character - or the - character To start an ordered list, write this: 1. this starts a list with numbers + this will show as number "2" * this will show as number "3."

צופן rc4 הוא צופן זרם סינכרוני המיועד לתוכנה, פשוט ביותר וקל ליישום והטמעה בחומרה ובתוכנה. עקב פשטותו הרבה היה בעבר בשימוש נרחב ב פרוטוקולי אבטחה רבים כגון SSL לאבטחת תעבורת הרשת וכן WEP . RC4是有线等效加密（WEP）中采用的加密算法，也曾经是TLS可采用的算法之一。由美國密碼學家羅納德·李維斯特（ Ronald Rivest ）在1987年设计的。由于RC4算法存在弱点，2015年2月所發佈的 RFC 7465 规定禁止在TLS中使用RC4加密算法。 RC4由伪随机数生成器和异或运算

* an asterisk starts an unordered list * and this is another item in the list + or you can also use the + character - or the - character To start an ordered list, write this: 1. this starts a list *with* numbers + this will show as number "2" * this will show as number "3."

* an asterisk starts an unordered list * and this is another item in the list + or you can also use the + character - or the - character To start an ordered list, write this: 1. this starts a list with numbers + this will show as number "2" * this will show as number "3."