SHA-384 Generator

Runs in browser Security

Compute SHA-384 digests (used in TLS cipher suites and Subresource Integrity) locally with WebCrypto.

Privacy: This tool runs entirely in your browser. Your input never leaves your device.

What is a cryptographic hash?

A cryptographic hash turns any input into a fixed-size digest (32 bytes for SHA-256) such that the same input always gives the same digest, a one-character change gives a completely different one, and the input cannot be recovered from the output. Hashes verify file integrity, fingerprint content and underpin signatures and HMAC. SHA-256 and the SHA-2 family are current; MD5 and SHA-1 are broken against deliberate collisions and should only be used as checksums.

Security note: A plain hash is not a password store. Passwords need a slow, salted algorithm — Argon2id, scrypt or bcrypt — because SHA-256 and MD5 can be tried billions of times per second.

How to use SHA-384 Generator

  1. Paste the text.
  2. Choose Base64 for SRI or hex for general use.
  3. Copy the digest.

SHA-384 Generator features

  • SHA-384 via WebCrypto
  • Hex, Base64 (ideal for Subresource Integrity), Base64url and binary output
  • Expected-hash comparison
  • Live results

SHA-384 Generator example

SHA-384 of "abc"

Input:

abc

Output:

cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7

Frequently asked questions about SHA-384 Generator

Where is SHA-384 used?

In TLS cipher suites such as ECDHE-RSA-AES256-GCM-SHA384, in Subresource Integrity attributes (integrity="sha384-…") and in certificates that need a security level above SHA-256.

How do I build an SRI hash?

Hash the exact file bytes with SHA-384, encode the digest as Base64 and prefix "sha384-". For script text pasted here, choose the Base64 output; for files use "openssl dgst -sha384 -binary file | openssl base64 -A".

How does SHA-384 relate to SHA-512?

SHA-384 is SHA-512 with different initial values and the output truncated to 384 bits. It resists length-extension attacks better than SHA-256 because of that truncation.

Technical notes

SHA-384 is a truncated variant of SHA-512 with distinct initial values, producing a 384-bit digest. It is widely used in TLS cipher suites and SRI attributes.

References