Should Thunderbird allow encrypting of S/MIME email using an ECC certificate? I can successfully sign and receive signed messages that use an ECC certificate, but attempts to use the same certificate for encryption get a pop-up window (during save or attempting to send) with
Unable to save your message as a draft. [Sending of the message failed.] Unable to encrypt message. Please check that you have a valid email certificate for each recipient. Please check that the certificates specified in Mail & Newsgroups Account Settings for this mail account are valid and trusted for mail I've tried with a free demo certificate available at https://www2.entrust.com/ecc-demo/#3 (and with a CA and end user certificate using Mac OS X Certificate Assistant, and with Dogtag) and all act the same. The CA's are installed and trusted. Thunderbird's certificate information for the Entrust certificate says it's been verified for: SSL Client, Email Signer, Email Recipient (the other certs have similar properties). -Phil -- dev-tech-crypto mailing list dev-tech-crypto@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-tech-crypto