taler-docs

Documentation for GNU Taler components, APIs and protocols
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commit 6e034e739c1079b53bc004e824ea935f231552a5
parent 342da9662f90b01e8e5935b7a6945d15c8df7792
Author: Martin Schanzenbach <schanzen@gnunet.org>
Date:   Tue,  7 Oct 2025 15:27:22 +0200

add encryption notes

Diffstat:
Mdesign-documents/070-alias-directory-mailbox.rst | 2++
1 file changed, 2 insertions(+), 0 deletions(-)

diff --git a/design-documents/070-alias-directory-mailbox.rst b/design-documents/070-alias-directory-mailbox.rst @@ -177,6 +177,8 @@ Open Questions - Payment Request Message unspecified. We should probabl use :ref:`DD 13 <dd-13>` but it seems outdated? Whatever is used for NFC/QR could be used in a message. - Requests should probably be encrypted (HPKE?) + - For encryption, the registered Mailbox URI should/must include a hint what public to use for encryption. This should probably not be the EdDSA public key of the wallet because we should not reuse the signing key for the KEM in the HPKE. + We may be able to use a query parameter to the mailbox URI (``$MAILBOX_SERVER/$H_ADDRESS#hpke_pk=Base32(pk)``) used in the Taldir registration. Proposed Solution =================