202 enforce arsn only with auth or aead

[Donnie-Ice]

closes #202

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 89.13043% with 15 lines in your changes missing coverage. Please review.

Project coverage is 75.55%. Comparing base (14ee573) to head (91d935f).
Report is 27 commits behind head on dev.

Files with missing lines	Patch %	Lines
src/sa/internal/sa_interface_inmemory.template.c	13.33%	12 Missing and 1 partial ⚠️
src/core/crypto_mc.c	50.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #397      +/-   ##
==========================================
- Coverage   75.97%   75.55%   -0.42%     
==========================================
  Files          81       81              
  Lines       22263    22098     -165     
  Branches     1807     1804       -3     
==========================================
- Hits        16914    16696     -218     
- Misses       4707     4759      +52     
- Partials      642      643       +1     

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[jlucas9]

Approved pending comment resolution