llHMAC

From Second Life Wiki
Jump to navigation Jump to search

Summary

Function: string llHMAC( string private_key, string msg, string algorithm );
0.0 Forced Delay
10.0 Energy

Returns a string that is the "Wikipedia logo"Base64-encoded "Wikipedia logo"HMAC hash of msg when using hash algorithm algorithm and secret key private_key.

• string private_key
• string msg
• string algorithm

This function supports md5, sha1, sha224, sha256, sha384, sha512 for algorithm.

Examples

<syntaxhighlight lang="lsl2">default {

   state_entry()
   {
       string private_key = "secret key";
       
       // Supported algorithims for llHMAC() include:
       // md5, sha1, sha224, sha256, sha384, sha512
       
       string algorithm = "sha1";
       string msg = "Hello, Avatar!";
       
       string digest = llHMAC(private_key, msg, algorithm);
       
       // For the given private_key/msg/algorithm, expect the HMAC
       // digest to be 'ffCDntkagRO5mIEtd2tYzM2Bg8I='
       llSay(0, "HMAC digest of message '" + msg + "' using algorithm "
           +  algorithm + " is " + digest);
   }
}</syntaxhighlight>

See Also

Functions

•  llSignRSA
•  llVerifyRSA
•  llSHA1String
•  llSHA256String
•  llMD5String

Deep Notes

Signature

function string llHMAC( string private_key, string msg, string algorithm );