SHA-224 generator

What Is SHA-224?

SHA-224 is a 224-bit member of the SHA-2 family — essentially SHA-256 with different initial values and the output truncated to 224 bits (56 hex characters). Same rock-solid security foundation, shorter fingerprint.

Why the Shorter Digest?

Some protocols and legacy systems allocate exactly 224 bits for a hash (it matches the security level of triple-DES keying). When a standard calls for SHA-224 specifically, this generator produces it — no manual truncation needed.

Security Note

SHA-224 inherits SHA-256's collision resistance scaled to its size — no practical attacks exist. As with all fast hashes, use bcrypt or Argon2 for password storage, not SHA-2.

How to Use the SHA-224 Hash Generator

SHA-224 is the 224-bit member of the SHA-2 family — it runs the SHA-256 algorithm with different initial values and truncates the result to 224 bits for a compact digest.

1. Type the message for SHA-224 — truncated SHA-256 giving a compact 56-character digest.
2. Click the hash button — SHA-224 is computed instantly as a truncated SHA-256 digest.
3. Copy the 56-character hexadecimal result for protocols and fields sized for a 224-bit digest.

Example

Hashing the word hello with SHA-224 always produces ea09ae9cc6768c50fcee903ed054556e5bfc8347907f12598aa24193 — 56 hexadecimal characters, and it is not simply the first 56 characters of the SHA-256 hash.

Frequently Asked Questions

Is SHA-224 just truncated SHA-256?
Almost, but with a crucial difference: it uses different initial values. That makes SHA-224 a distinct function whose digests never match truncated SHA-256 output.

Where is SHA-224 used?
It appears in some TLS cipher suites, IPsec, and protocols that reserve a 224-bit digest field — wherever 256 bits would be one word too many.

Is 224 bits enough security today?
Yes — 112-bit collision resistance remains far beyond practical attack. SHA-224 is still considered secure, though new designs usually pick 256-bit variants.