Decrypting with ECDH: no secret key

[Daniele Ricci]

Hello,
I'm using a beta version so I think this list is more appropriate than
gnupg-users.
I've been trying 2.1.0 beta3 for elliptic curve encryption and I've
just bumped into an issue:

gpg: encrypted with 256-bit ECDH key, ID 8BA3201C, created 2013-06-16
      "Test ECDSA-ECDH (Key and subkey are 256 bits long)
<test.ecdsa.ecdh at example.com>"
gpg: decryption failed: No secret key

gpg-agent is correctly running and I can export the very same secret
key I've been trying to decrypt with. Here is --list-secret-keys
output:

sec    256E/8C5A3D53 2013-06-16
uid                  Test ECDSA-ECDH (Key and subkey are 256 bits
long) <test.ecdsa.ecdh at example.com>
ssb#   256e/8BA3201C 2013-06-16

Signing and verifying do work.
I've attached the ciphertext and the key pair I'm using.
Cleartext is "This is a simple message.".

Please note that I have 3 installations of gnupg (1.4.12, 2.0.20 from
Debian and 2.1.0beta3 compiled manually), of course I made sure no
other agent was running, environment variables were set correctly for
gnupg beta agent.

Cheers
--
Daniele
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