JH (hash function)
| General | |
|---|---|
| Designers | Hongjun Wu |
| Certification | SHA-3 finalist |
| Detail | |
| Digest sizes | 224, 256, 384, 512 |
| Speed | 16.1 cpb on Core 2 in 64-bit mode using SSE2; 37.3 cpb using ANSI C. |
JH is a cryptographic hash function submitted to the NIST hash function competition by Hongjun Wu. Though chosen as one of the five finalists of the competition, JH ultimately lost to NIST hash candidate Keccak. JH has a 1024-bit state, and works on 512-bit input blocks. Processing an input block consists of three steps:
The resulting digest is the first 224, 256, 384 or 512 bits from the 1024-bit final value. It is well suited to a bit slicing implementation using the SSE2 instruction set, giving speeds of 16.8 Cycles per byte.
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