[Nate-br]

Describe your change:

Fixes #15636

ciphers/base32.py and ciphers/base85.py previously decoded input data using .decode("utf-8") and converted code points back via chr(). This caused non-ASCII text, characters >= U+0400, and arbitrary bytes to corrupt or raise UnicodeDecodeError.

This change updates both codecs to:

• Operate directly on the raw input byte stream (data) without assuming UTF-8 string encoding.
• Properly reconstruct and return raw bytes in both decode functions.
• Add doctests covering non-ASCII byte strings (e.g. "héllo".encode()).

All doctests pass locally.

[algorithms-keeper]

Closing this pull request as invalid

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