YoSin Tools

cSHAKE128 File Hash Calculator

Compute the cSHAKE128 (Customizable SHAKE128) hash of any file in your browser. Configure output bits, function name, and customization string. NIST SP 800-185. No upload.

File Input
File
Drag and drop a file here, or click to select. Processed locally — never uploaded.
Output
Settings
Calculate

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Frequently Asked Questions

How does cSHAKE128 file hash work?
Drop your file into the input zone. Configure the output bit length, function name (N), and customization string (S) in Settings. The cSHAKE128 hash is computed locally in your browser.
Is my file uploaded anywhere?
No. Everything is processed locally in your browser.

About cSHAKE128 File Hash Calculator

Compute the cSHAKE128 (Customizable SHAKE128) checksum of any file in your browser. NIST SP 800-185 standard. Configure output bits, function name (N), and customization string (S) for domain-separated file hashing. All processing is local.