9a6ce8838b8c5e4c Time: ~0.02 microseconds
In 1996, collisions (two different inputs producing the same output) were found. By 2008, researchers demonstrated a practical collision attack against the Certificate Transparency log. Today, MD5 is considered "cryptographically broken." You should never use it for security. xxHash: The Speed Demon Created by Yann Collet in 2012, xxHash was born out of the need for a hash function that could keep up with modern multi-core CPUs and high-speed storage (SSDs/NVMe). It is not cryptographic; it is a non-cryptographic hash function designed purely for speed and avalanche effect (small changes in input produce large changes in output). xxhash vs md5
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For decades, (Message Digest Algorithm 5) has been the workhorse of integrity checking. However, in the last decade, a new contender has risen from the world of high-performance computing: xxHash . 9a6ce8838b8c5e4c Time: ~0