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SAS Tip: How secure are compiled macros? (Daily tip for 2025-Oct-22)

Compiled, encrypted macros are not secure: some source code may be visible in the compiled macro file. Compiling a stub macro as the last macro compiled in a run may keep the other macro code hidden in the compiled file.

Thanks to Thomas Billings for this tip. Read more details in this paper from WUSS 2017: Keeping Passwords AES Encryption Keys and Other Sensitive Parameters Out of Source Code and Logs.

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A "SAS tip" is a basic unit of information exchange between SAS users. The tips on this board come from sasCommunity.org, from SAS user conferences, from SAS blogs, and from freelance contributions from SAS users like you. We hope that you're able to always learn something new here!


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