Skip to content

Add KID validation to single signer scenario #32

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
dirkx wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Add KID validation to single signer scenario #32

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,8 @@ const cose = require('cose-js');
const verifier = {
'key': {
'x': Buffer.from('143329cce7868e416927599cf65a34f3ce2ffda55a7eca69ed8919a394d42f0f', 'hex'),
'y': Buffer.from('60f7f1a780d8a783bfb7a2dd6b2796e8128dbbcef9d3d168db9529971a36e7b9', 'hex')
'y': Buffer.from('60f7f1a780d8a783bfb7a2dd6b2796e8128dbbcef9d3d168db9529971a36e7b9', 'hex'),
'kid': '11'
}
};
const COSEMessage = Buffer.from('d28443a10126a10442313172496d706f7274616e74206d6573736167652158404c2b6b66dfedc4cfef0f221cf7ac7f95087a4c4245fef0063a0fd4014b670f642d31e26d38345bb4efcdc7ded3083ab4fe71b62a23f766d83785f044b20534f9', 'hex');
Expand Down
3 changes: 2 additions & 1 deletion examples/sign.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,8 @@ cose.sign.create(
const verifier = {
'key': {
'x': Buffer.from('143329cce7868e416927599cf65a34f3ce2ffda55a7eca69ed8919a394d42f0f', 'hex'),
'y': Buffer.from('60f7f1a780d8a783bfb7a2dd6b2796e8128dbbcef9d3d168db9529971a36e7b9', 'hex')
'y': Buffer.from('60f7f1a780d8a783bfb7a2dd6b2796e8128dbbcef9d3d168db9529971a36e7b9', 'hex'),
'kid': '11'
}
};
const COSEMessage = Buffer.from('d28443a10126a10442313172496d706f7274616e74206d6573736167652158404c2b6b66dfedc4cfef0f221cf7ac7f95087a4c4245fef0063a0fd4014b670f642d31e26d38345bb4efcdc7ded3083ab4fe71b62a23f766d83785f044b20534f9', 'hex');
Expand Down
6 changes: 5 additions & 1 deletion lib/sign.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -190,6 +190,11 @@ exports.verify = function (payload, verifier, options) {

if (!signer) {
throw new Error('Failed to find signer with kid' + verifier.key.kid);
} else {
const kid = getCommonParameter(p, u, common.HeaderParameters.kid);
if (Buffer.compare(kid,verifier.key.kid)) {
throw new Error('Not signed by specified KID')
}
}

if (type === SignTag) {
Expand All @@ -212,7 +217,6 @@ exports.verify = function (payload, verifier, options) {
});
} else {
const externalAAD = verifier.externalAAD || EMPTY_BUFFER;

const alg = getCommonParameter(p, u, common.HeaderParameters.alg);
p = (!p.size) ? EMPTY_BUFFER : cbor.encode(p);
const SigStructure = [
Expand Down