[openssl-users] Softhsm + engine_pkcs11 + openssl with EC keys fail.

Paras Shah (parashah) parashah at cisco.com
Tue Sep 18 17:06:10 UTC 2018

Sure. I will open the issue.

From: Nicola <nic.tuv at gmail.com>
Date: Monday, September 17, 2018 at 10:05 PM
To: "Paras Shah (parashah)" <parashah at cisco.com>, "openssl-users at openssl.org" <openssl-users at openssl.org>
Subject: Re: [openssl-users] Softhsm + engine_pkcs11 + openssl with EC keys fail.

Would it be possible for you to open this as an issue on Github and include there your first email and the full logs?


Nicola Tuveri

On Tue, 18 Sep 2018 at 01:15, Paras Shah (parashah) via openssl-users <openssl-users at openssl.org<mailto:openssl-users at openssl.org>> wrote:

That is not it. It results in the same error for the EC key.

It is not the URL or the ID. Because for a RSA key in the softhsm with id = 3333, it works fine with url containing id=%33%33

$ openssl pkey -in "pkcs11:model=SoftHSM%20v2;manufacturer=SoftHSM%20project;serial=6a160d52b750862f;token=token%202.5.0-rc1;id=%33%33;object=rsa%20key;type=private" -engine pkcs11 -inform ENGINE

engine "pkcs11" set.

Enter PKCS#11 token PIN for token 2.5.0-rc1:










Coming back to EC key, looking at the error logs emitted, it does seem to recognize it to be EC (the logs contain EC_routines) somehow but then fails.

On 9/17/18, 2:22 PM, "openssl-users on behalf of Richard Levitte" <openssl-users-bounces at openssl.org<mailto:openssl-users-bounces at openssl.org> on behalf of levitte at openssl.org<mailto:levitte at openssl.org>> wrote:

    In message <4AC69FC3-BEC7-46F6-882A-671196FC0156 at contoso.com<mailto:4AC69FC3-BEC7-46F6-882A-671196FC0156 at contoso.com>> on Mon, 17 Sep 2018 20:59:59 +0000, "Paras Shah (parashah)" <parashah at cisco.com<mailto:parashah at cisco.com>> said:

    > 4. Import the key into softhsm


    > []:~$ softhsm2-util --import ~/tmp/secp256k1-key.pem.pkcs8 --label "ec key" --id 1111 --token

    > "token 2.5.0-rc1"

    Ok, so here, the ID is "1111"

    > 5. Get the pkcs11 url for the private key


    > []:~$ p11tool --login --provider=/usr/local/lib/softhsm/libsofthsm2.so --set-pin=1111 --list-all


    > Object 0:


    > URL:

    > pkcs11:model=SoftHSM%20v2;manufacturer=SoftHSM%20project;serial=6a160d52b750862f;token=token%202.5.0-rc1;id=%11%11;object=ec%20key;type=private

    But here, the ID is "%11%11", and since those get percent decoded,

    that's actually two vertical tabs, or with C vector syntax,

    { 0x0b, 0x0b }

    I'm not sure what engine-pkcs11 asks of you otherwise, but one guess

    could be to change 'id=%11%11' to 'id=1111' in that URL and try again.




    Richard Levitte         levitte at openssl.org<mailto:levitte at openssl.org>

    OpenSSL Project         http://www.openssl.org/~levitte/


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