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What is the time complexity of the MD5 algorithm? I couldn't find a definitive answer online. I think the complexity is O(n) but I'm not really sure.
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The research results obtained from the complexity of the Algorithms MD5 and SHA256 is the same, i.e., ⊖ (N), but regarding the speed is obtained that MD5 is better compared to SHA256. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence.
The time complexity for 41-step SHA-256 is 2253. 5 compression function operations and the memory requirement is 216 × 10 words. The time complexity for 46-step SHA-512 is 2511.
The hash size for the MD5 algorithm is 128 bits. The ComputeHash methods of the MD5 class return the hash as an array of 16 bytes. Note that some MD5 implementations produce a 32-character, hexadecimal-formatted hash.
O(n) as mentioned by DuBuisson and osgx in the comments.
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