llHMAC

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/LSL

HMAC

llHMAC

Summary

Function: string llHMAC( string private_key, string msg, string algorithm );

0.0	Forced Delay
10.0	Energy

Returns a string that is the  Base64-encoded  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 );