Module jls.util.MessageDigest
Provide MessageDigest class.
Class MessageDigest
| MessageDigest:new (alg) | Creates a new MessageDigest. |
| messageDigest:reset () | Resets this MessageDigest. |
| messageDigest:update (m) | Updates the digest using the specified string. |
| messageDigest:finish ([m]) | Completes and returns the digest. |
| messageDigest:digest (m) | Returns the digest using the specified string. |
Class MessageDigest
The MessageDigest class.
The MessageDigest class provides access to algorithms that compute message digest or hash from any string or message.
- MessageDigest:new (alg)
-
Creates a new MessageDigest.
Parameters:
- alg string The name of the algorithm.
Returns:
-
a new MessageDigest
Usage:
local md = MessageDigest:new('md5') md:digest('The quick brown fox jumps over the lazy dog')
- messageDigest:reset ()
- Resets this MessageDigest.
- messageDigest:update (m)
-
Updates the digest using the specified string.
Parameters:
- m string a message to update the digest.
- messageDigest:finish ([m])
-
Completes and returns the digest.
Parameters:
- m string a message to update the digest. (optional)
Returns:
-
string
the message digest result.
- messageDigest:digest (m)
-
Returns the digest using the specified string.
Parameters:
- m string a message to compute the digest.
Returns:
-
string
the message digest result.