AES-GCM Encrypt
AES-GCM with PBKDF2-SHA-256 (210000 iterations). Blob prefix cznull1.
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How to use aes-gcm encrypt
- Fill the fields or paste input in this tab.
- Set every option that changes the result, not only the defaults.
- Read the output. Invalid input shows an error in the status line.
- Copy or download the result. Nothing is sent to CZNull.
AES-GCM Encrypt
AES-GCM Encrypt
| Where it runs | This browser |
|---|---|
| Upload | None |
| Network | No request to compute the result |
| Limit | Invalid input stays on the page as an error |
What aes-gcm encrypt does
Random 16-byte salt and 12-byte IV. Losing the password loses the plaintext. This is not a hash reverser.
How this page works
All options on the form are sent into the local engine. AES-GCM with PBKDF2-SHA-256 (210000 iterations). Blob prefix cznull1. Results never leave this device to be computed.
Limits and related pages
Stay on this URL for this job. Sibling tools in the same group cover nearby jobs without mixing formulas. Open the category hub if you need a different input set.
Questions
Does this page upload what I type?
No. The work runs in the page you opened. CZNull does not receive the input.
Can this decrypt an MD5 or SHA digest?
No. Hashes are not this ciphertext format.
What is cznull1.?
A CZNull prefix, then Base64 of 16-byte salt, 12-byte IV, and AES-256-GCM ciphertext. Other tools will not open it unless they implement the same packing.
Lost password?
The plaintext cannot be recovered here.