HMAC-SHA384 Generator
Free online HMAC-SHA384 generator. Compute HMAC-SHA384 hash values with your custom secret key. 100% browser-based, no uploads required.
What Is This?
Generate HMAC-SHA384 authentication codes with our free online HMAC generator. HMAC (Hash-based Message Authentication Code) combines a cryptographic hash function with a secret key to provide both data integrity and authentication. Our tool computes HMAC values using your chosen algorithm and secret key, with support for hex and base64 output formats.
How to Use
Enter your message
Type or paste the message you want to authenticate using HMAC-SHA384. The message can be any text string.
Enter your secret key
Provide your secret key used for HMAC-SHA384 computation. The key can be any string of characters.
Generate the HMAC
Click Generate to compute the HMAC-SHA384 value. The result appears in hex and base64 formats.
Copy and verify
Copy the generated HMAC-SHA384 value. Use it for API authentication, message verification, or data integrity checks.
Examples
Free HMAC-SHA384 generator with custom secret keys
Supports multiple hash algorithms for HMAC computation
Output in both hex and base64 formats
Useful for API authentication and message verification
100% browser-based with complete data privacy
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Frequently Asked Questions
What is HMAC-SHA384?
HMAC-SHA384 is a keyed-hash message authentication code that uses the SHA384 hash function combined with a secret key to verify data integrity and authenticity.
How is HMAC different from regular hashing?
HMAC uses a secret key in addition to the hash function, providing authentication that prevents tampering by parties who don't know the key.
Where is HMAC commonly used?
HMAC is widely used in API authentication (AWS, JWT), TLS, SSH, and message verification systems.
What output formats are supported?
The generator outputs HMAC values in both hexadecimal and base64 formats for compatibility with different systems.
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