Hash: Difference between revisions

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This function returns a hash of the specified string in the specified algorithm.
This function returns a hash of the specified string in the specified algorithm.
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{{Needs_Example}}


==Syntax==
==Syntax==
<syntaxhighlight lang="lua">
<syntaxhighlight lang="lua">
string hash ( string algorithm, string dataToHash )
string hash ( string algorithm, string dataToHash, [ table options ] )
</syntaxhighlight>
</syntaxhighlight>


===Required Arguments===
===Required Arguments===
*'''algorithm''': A string which must be one of these: "md5", "sha1", "sha224", "sha256", "sha384", "sha512"
*'''algorithm''': A string which must be one of these: "md5", "sha1", "sha224", "sha256", "sha384", "sha512", "hmac"
*'''dataToHash''': A string of the data to hash.
*'''dataToHash''': A string of the data to hash.
*'''options''': A table with options and other necessary data for the algorithm, as detailed below.
===Options for each algorithm===
{{Added feature/item|1.5.9|1.5.8|21329|
* ''hmac'' ([https://en.wikipedia.org/wiki/HMAC HMAC])
** '''key''': a key to encode the input with.
** '''algorithm''': a string which must be one of these: "md5", "sha1", "sha224", "sha256", "sha384", "sha512".
|21329}}


===Returns===
===Returns===
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<syntaxhighlight lang="lua">
<syntaxhighlight lang="lua">
local myString = "myDatatoHash"
local myString = "myDatatoHash"
print(hash("md5", myString)) -- This will hash myString with the md5 Algorithm (it's equal to md5()) --> output: 0EF1E2203BD78182911B77EB6B9CC3DE
print(hash("md5", myString)) -- This will hash myString with the md5 Algorithm (it's equal to md5()) -> output: 0EF1E2203BD78182911B77EB6B9CC3DE


-- A another Example
-- A another Example
local myNewString = "myNewDatatoHash"
local myNewString = "myNewDatatoHash"
print(hash("sha512", myNewString)) -- This will hash myNewString with the sha512 Algorithm --> output: 64A5678DC83EDCD8991E8CF0D69764663C0F933870BB89465F77B6C23D2A2B2400305A36D77404EE647D0D7B9D56CF7937B235BBD3885D08DCC62C81FB6D8429
print(hash("sha512", myNewString)) -- This will hash myNewString with the sha512 Algorithm -> output: 64A5678DC83EDCD8991E8CF0D69764663C0F933870BB89465F77B6C23D2A2B2400305A36D77404EE647D0D7B9D56CF7937B235BBD3885D08DCC62C81FB6D8429
</syntaxhighlight>
</syntaxhighlight>


Latest revision as of 09:15, 25 September 2022

This function returns a hash of the specified string in the specified algorithm.

Syntax

string hash ( string algorithm, string dataToHash, [ table options ] )

Required Arguments

  • algorithm: A string which must be one of these: "md5", "sha1", "sha224", "sha256", "sha384", "sha512", "hmac"
  • dataToHash: A string of the data to hash.
  • options: A table with options and other necessary data for the algorithm, as detailed below.

Options for each algorithm

  • hmac (HMAC)
    • key: a key to encode the input with.
    • algorithm: a string which must be one of these: "md5", "sha1", "sha224", "sha256", "sha384", "sha512".

Returns

Returns the hash of the data, false if an invalid argument was used.

Example

local myString = "myDatatoHash"
print(hash("md5", myString)) -- This will hash myString with the md5 Algorithm (it's equal to md5()) -> output: 0EF1E2203BD78182911B77EB6B9CC3DE

-- A another Example
local myNewString = "myNewDatatoHash"
print(hash("sha512", myNewString)) -- This will hash myNewString with the sha512 Algorithm -> output: 64A5678DC83EDCD8991E8CF0D69764663C0F933870BB89465F77B6C23D2A2B2400305A36D77404EE647D0D7B9D56CF7937B235BBD3885D08DCC62C81FB6D8429

See Also

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