Security hardening, input validation, memory-safety, and key zeroization fixes #2440

Job	Run time
discover_versions / Resolve wolfSSL + OpenSSL refs	14s
Simple Test (v5.8.4-stable, openssl-3.0.17, --replace-default --enable-replace-default-testing)	52s
Simple Test (v5.9.2-stable, openssl-3.6.3)	1m 17s
Simple Test (master, openssl-3.0.17, --replace-default --enable-replace-default-testing)	1m 53s
Simple Test (v5.9.2-stable, openssl-3.6.3, --replace-default --enable-replace-default-testing)	1m 30s
Simple Test (master, openssl-3.6.3)	2m 18s
Simple Test (v5.8.4-stable, openssl-3.6.3)	42s
Simple Test (v5.8.4-stable, openssl-3.6.3, --replace-default --enable-replace-default-testing)	52s
Simple Test (master, openssl-3.6.3, --replace-default --enable-replace-default-testing)	1m 45s
Simple Test (master, openssl-3.0.17)	1m 46s
Simple Test (v5.9.2-stable, openssl-3.0.17)	33s
Simple Test (v5.9.2-stable, openssl-3.0.17, --replace-default --enable-replace-default-testing)	48s
Simple Test (v5.8.4-stable, openssl-3.0.17)	43s
	15m 13s

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