SHA-512/224 is a truncated variant of SHA-512 with a modified initialization vector, producing 224-bit hash values. Defined in FIPS 180-4 for applications requiring smaller output than SHA-512.
| Property | Value |
|---|---|
| Category | Hash Functions |
| Sub-category | SHA-2 Family |
| Variant | 512/224 |
| Security status | 🛡️ Secure |
| Complexity | Intermediate |
| Inventor | NIST |
| Year | 2012 |
| Origin | 🇺🇸 United States |
| Source | algorithms/hash/sha512.js |
| Parameter | Supported values |
|---|---|
| Output sizes | 28 bytes (224 bits) |
Status: 🛡️ Secure
No vulnerabilities are recorded for this implementation.
4 vectors ship with this algorithm and run in the test suite. Byte values are hexadecimal.
Vector 1 — FIPS 180-4 Test Vector - Empty String
| Field | Value |
|---|---|
input |
(empty) |
expected |
6ed0dd02806fa89e25de060c19d3ac86cabb87d6a0ddd05c333b84f4 |
Vector 2 — FIPS 180-4 Test Vector - Single ‘a’
| Field | Value |
|---|---|
input |
61 |
expected |
d5cdb9ccc769a5121d4175f2bfdd13d6310e0d3d361ea75d82108327 |
Vector 3 — FIPS 180-4 Test Vector - ‘abc’
| Field | Value |
|---|---|
input |
616263 |
expected |
4634270f707b6a54daae7530460842e20e37ed265ceee9a43e8924aa |
Vector 4 — FIPS 180-4 Test Vector - Long String
| Field | Value |
|---|---|
input |
61626364656667686263646566676869 636465666768696a6465666768696a6b 65666768696a6b6c666768696a6b6c6d 6768696a6b6c6d6e68696a6b6c6d6e6f 696a6b6c6d6e6f706a6b6c6d6e6f7071 6b6c6d6e6f7071726c6d6e6f70717273 6d6e6f70717273746e6f707172737475 |
expected |
23fec5bb94d60b23308192640b0c453335d664734fe40e7268674af9 |