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generateSecretKey() kesize default wrong for Java19+ #1720

@kabutotx

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@kabutotx

It seems the default for AES keysize is now 256 in Java 19 and up, if available, and fall back to 128. Coldfusion 2025 (Java 21) and Lucee 6.2 (when running Java 19+) will default to 256.

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