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SAS Tip: Limitations of PROC PWENDCODE (Daily tip for 2025-Oct-20)

Passwords and keys encoded using PROC PWENCODE do not work for AES encryption keys and SAS data set proprietary passwords. Metadata-bound, encrypted meta-LIBNAMEs are an alternative.

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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Tip-o-meter: 65 tips

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