How to identify and crack an SHA-224 hash

SHA-224 is an raw / unsalted hash type. It is fast and typically unsalted, which makes weak passwords recoverable quickly on consumer GPU hardware. This page shows how to recognise it and the exact commands to attack it.

All identification runs locally in WebAssembly. The commands below write the hash to a local file on your machine — nothing is sent to this site.

Identifying the hash

The hash identifier on the home page detects SHA-224 entirely in your browser — your hash is never uploaded. A typical example looks like this:

d63dc919e201d7bc4c825630d2cf25fdc93d4b2f0d46706d29038d01

Cracking SHA-224 with hashcat

Save the hash to a file and run hashcat in mode -m 1300. Start with a wordlist such as rockyou.txt:

echo 'd63dc919e201d7bc4c825630d2cf25fdc93d4b2f0d46706d29038d01' > hash.txt && hashcat -m 1300 hash.txt /usr/share/wordlists/rockyou.txt

Add a rule set to mutate dictionary words (capitalisation, leetspeak, appended digits) and dramatically widen coverage:

echo 'd63dc919e201d7bc4c825630d2cf25fdc93d4b2f0d46706d29038d01' > hash.txt && hashcat -m 1300 hash.txt /usr/share/wordlists/rockyou.txt -r /usr/share/hashcat/rules/best64.rule

Cracking SHA-224 with John the Ripper

John the Ripper can attack the same hash with the raw-sha224 format:

echo 'd63dc919e201d7bc4c825630d2cf25fdc93d4b2f0d46706d29038d01' > hash.txt && john --format=raw-sha224 --wordlist=/usr/share/wordlists/rockyou.txt hash.txt