fuzz: follow up for #22704 #23806

1. 
   stratospher commented at 5:55 pm on December 17, 2021: contributor

   This PR addresses [comments from #22704](https://github.com/bitcoin/bitcoin/pull/22704/files#discussion_r771510963) to make the following changes in src/test/fuzz/crypto_diff_fuzz_chacha20.cpp:

   • replace memcmp() with ==
   • add a missing assert statement to compare the encrypted bytes
2. Refactor the chacha20 differential fuzz test 8f79831ab5
3. laanwj added the label Tests on Dec 17, 2021
4. MarcoFalke merged this on Dec 18, 2021
5. MarcoFalke closed this on Dec 18, 2021

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6. sidhujag referenced this in commit 946b51d208 on Dec 18, 2021
7. dhruv added this to the "Done" column in a project

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8. DrahtBot locked this on Dec 18, 2022

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stratospher

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Tests