Bug#987956: libgcrypt20: ECDH decryption fails with "gpg: public key decryption failed: Invalid object" error message

[Francesc Ferrer]

I can confirm the bug: can no longer decrypt a file encrypted with a 
256-bit ECDH sub-key.  

Downgrading libcrypt20 to 1.8.7-3 solves the problem.
Cheers,

--
Francesc