TeaEncode: Difference between revisions

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(Created page with "__NOTOC__ {{Server_client function}} {{New feature/item|9.06056|1.3.5|6056| This functions performs the [https://en.wikipedia.org/wiki/Tiny_Encryption_Algorithm Tiny Encryption ...")
 
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{{Server_client function}}
{{Server_client function}}


{{New feature/item|9.06056|1.3.5|6056|
{{New feature/item|3.0135|1.3.5|6056|
This functions performs the [https://en.wikipedia.org/wiki/Tiny_Encryption_Algorithm Tiny Encryption Algorithm] on the given string and returns the [https://en.wikipedia.org/wiki/Base64 base64] representation of the encrypted block of data.
This functions performs the [https://en.wikipedia.org/wiki/Tiny_Encryption_Algorithm Tiny Encryption Algorithm] on the given string and returns the [https://en.wikipedia.org/wiki/Base64 base64] representation of the encrypted string.
}}
}}
{{Important Note|Use [[encodeString]] instead, because teaEncode inflates the file size by as high as ~77% (or by ~33% if the input isn't binary converted to base64 string).}}


==Syntax==
==Syntax==
<syntaxhighlight lang="lua">string teaEncode ( string data, string key )</syntaxhighlight>
<syntaxhighlight lang="lua">string teaEncode ( string text , string key )</syntaxhighlight>


===Required Arguments===
===Required Arguments===
*'''data:''' The block of data you want to encrypt
*'''text:''' The string you want to encrypt. (See second example if you want to encode binary data)
*'''key:''' The key that should be used for encryption
*'''key:''' The key that should be used for encryption (Only first 16 characters are used)


===Returns===
===Returns===
Returns the [https://en.wikipedia.org/wiki/Base64 base64] representation of the encrypted data if the encryption process was successfully completed, ''false'' otherwise.
Returns the [https://en.wikipedia.org/wiki/Base64 base64] representation of the encrypted string if the encryption process was successfully completed, ''false'' otherwise.


==Example==
==Example==
<section name="Client" class="client" show="true">
This example creates a /teaencrypt command, which performs the TEA on a given string with the specified key, if any.
<syntaxhighlight lang="lua">
<syntaxhighlight lang="lua">
Todo
function encryptString( cmd, theString, theKey )
    if ( theString ) then
        if ( not theKey ) then
            theKey = string.rep( string.char( math.random( string.byte( "a" ), string.byte( "Z" ) ) ), 10 ) -- Generate a random key of 10 characters if no key was passed in as an argument
        end
        local encodedString = teaEncode( theString, theKey ) -- Encode the string with the key
        outputChatBox( "The encoded string is: " .. tostring( encodedString ) .. " (used key: " .. theKey .. ")" )
    else
        outputChatBox( "Syntax: /" .. cmd .. " [string] <[key]>" )
    end
end
addCommandHandler( "teaencrypt", encryptString )
</syntaxhighlight>
</syntaxhighlight>
This shows how to use teaEncode/teaDecode with binary data:
<syntaxhighlight lang="lua">
function teaEncodeBinary( data, key )
    return teaEncode( base64Encode( data ), key )
end
function teaDecodeBinary( data, key )
    return base64Decode( teaDecode( data, key ) )
end
</syntaxhighlight>
</section>


==See Also==
==See Also==
{{Utility functions}}
{{Utility functions}}

Latest revision as of 10:48, 18 August 2018

This functions performs the Tiny Encryption Algorithm on the given string and returns the base64 representation of the encrypted string.

[[{{{image}}}|link=|]] Important Note: Use encodeString instead, because teaEncode inflates the file size by as high as ~77% (or by ~33% if the input isn't binary converted to base64 string).

Syntax

string teaEncode ( string text , string key )

Required Arguments

  • text: The string you want to encrypt. (See second example if you want to encode binary data)
  • key: The key that should be used for encryption (Only first 16 characters are used)

Returns

Returns the base64 representation of the encrypted string if the encryption process was successfully completed, false otherwise.

Example

Click to collapse [-]
Client

This example creates a /teaencrypt command, which performs the TEA on a given string with the specified key, if any. 

function encryptString( cmd, theString, theKey )
    if ( theString ) then
        if ( not theKey ) then
            theKey = string.rep( string.char( math.random( string.byte( "a" ), string.byte( "Z" ) ) ), 10 ) -- Generate a random key of 10 characters if no key was passed in as an argument
        end
        local encodedString = teaEncode( theString, theKey ) -- Encode the string with the key
        outputChatBox( "The encoded string is: " .. tostring( encodedString ) .. " (used key: " .. theKey .. ")" )
    else
        outputChatBox( "Syntax: /" .. cmd .. " [string] <[key]>" )
    end
end
addCommandHandler( "teaencrypt", encryptString )

This shows how to use teaEncode/teaDecode with binary data: 

function teaEncodeBinary( data, key )
    return teaEncode( base64Encode( data ), key )
end

function teaDecodeBinary( data, key )
    return base64Decode( teaDecode( data, key ) )
end

See Also


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