| Class | Description |
|---|---|
| BufferedImageReader |
Read an image captcha given by its key
|
| CaptchaHelper |
Helper for generating image captcha to PNG format
|
| CaptchaHelper.ValidableCaptcha |
Bean for a captcha and a validity date
|
| SoundCaptchaReader |
Generates a sound captcha to WAV format and set it in request attributes
|
| Enum | Description |
|---|---|
| CaptchaHelper.CaptchaType |