tinc - May 2019 - error:060A7094:digital envelope routines:EVP_EncryptUpdate:invalid operation

When I install Tinc 1.1pre17 on Debian (from the 1.1~pre17-1.1 package in
experimental), I hit the following error:

Error while decrypting: error:060A7094:digital envelope
routines:EVP_EncryptUpdate:invalid operation

I tried compiling Tinc myself from the Debian source, and still hit the
same issue. 1.0 works fine, but I'd like to upgrade to 1.1

Any ideas on how to fix it?

I'm using OpenSSL 1.1.1b-2
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