In cryptography , RC4 -LRB- also known as ARC4 or ARCFOUR meaning Alleged RC4 , see below -RRB- is the most widely-used software stream cipher and is used in popular protocols such as Secure Sockets Layer -LRB- SSL -RRB- -LRB- to protect MISC@1 traffic -RRB- and WEP -LRB- to secure wireless networks -RRB- .

In cryptography , RC4 -LRB- also known as ARC4 or ARCFOUR meaning Alleged RC4 , see below -RRB- is one of the most common software stream cipher . It is used in popular protocols like Secure Sockets Layer -LRB- SSL -RRB- -LRB- to protect MISC@1 traffic -RRB- and WEP -LRB- to secure wireless networks -RRB- .
