Is HighwayHash available for Java?

[kant111]

Is sha256 highwayhash available for Java? any benchmarks compared C or C++ counterpart?

[jan-wassenberg]

Hi, the Java port does indeed support 256-bit HWH.

[kant111]

Thanks! I tried it and I got 2X more performance than Java's MessageDigest for sha256 on 2.5 GHz Intel Core i7.

My data size is 2KB and the performance numbers are as follows:

HighWayHash hash256: 225MB/sec
MessageDigest SHA-256: 115MB/sec

I read here that highway hash should not be used if strong collision resistance is required.

so I am wondering if there is a Java library similar to this that can leverage SSE or AVX instructions?

[Bulat-Ziganshin]

HWH isn't a cryptographic hash, so it's not director competitor of SHA.

Use HWH if you just need sort of CRC32, but wider.