HMAC message authentication code calculation
Calculate HMAC-SHA256, SHA384 or SHA512 locally, and output hex authentication codes.
HMAC message authentication code calculation User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- Fill in the keys and messages, and get the authentication code for interface joint debugging.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Import UTF-8 keys through the browser Web Crypto to sign UTF-8 messages.
scope of use
Https or native security environment is required; it is not an encryption tool, does not save the key, and is not responsible for verifying the remote interface.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
Https or native security environment is required; it is not an encryption tool, does not save the key, and is not responsible for verifying the remote interface. Please compare the input unit, rounding method, applicable rules and data version first.