From bb80cdf5a6157ca1f3a276e12e9faae9a4739cb7 Mon Sep 17 00:00:00 2001
From: dh_ackergaul <dh_ackergaul@dh-software.de>
Date: Di, 23 Jun 2026 11:16:18 +0200
Subject: [PATCH] Update emvheya - 23.6.2026, 11:16:10 [JD]
---
manufacturer/_furnview/furnplan-web/node_modules/jose/dist/webapi/lib/ecdhes.js | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 52 insertions(+), 0 deletions(-)
diff --git a/manufacturer/_furnview/furnplan-web/node_modules/jose/dist/webapi/lib/ecdhes.js b/manufacturer/_furnview/furnplan-web/node_modules/jose/dist/webapi/lib/ecdhes.js
new file mode 100644
index 0000000..1ec13f9
--- /dev/null
+++ b/manufacturer/_furnview/furnplan-web/node_modules/jose/dist/webapi/lib/ecdhes.js
@@ -0,0 +1,52 @@
+import { encode, concat, uint32be } from './buffer_utils.js';
+import { checkEncCryptoKey } from './crypto_key.js';
+import { digest } from './helpers.js';
+function lengthAndInput(input) {
+ return concat(uint32be(input.length), input);
+}
+async function concatKdf(Z, L, OtherInfo) {
+ const dkLen = L >> 3;
+ const hashLen = 32;
+ const reps = Math.ceil(dkLen / hashLen);
+ const dk = new Uint8Array(reps * hashLen);
+ for (let i = 1; i <= reps; i++) {
+ const hashInput = new Uint8Array(4 + Z.length + OtherInfo.length);
+ hashInput.set(uint32be(i), 0);
+ hashInput.set(Z, 4);
+ hashInput.set(OtherInfo, 4 + Z.length);
+ const hashResult = await digest('sha256', hashInput);
+ dk.set(hashResult, (i - 1) * hashLen);
+ }
+ return dk.slice(0, dkLen);
+}
+export async function deriveKey(publicKey, privateKey, algorithm, keyLength, apu = new Uint8Array(), apv = new Uint8Array()) {
+ checkEncCryptoKey(publicKey, 'ECDH');
+ checkEncCryptoKey(privateKey, 'ECDH', 'deriveBits');
+ const algorithmID = lengthAndInput(encode(algorithm));
+ const partyUInfo = lengthAndInput(apu);
+ const partyVInfo = lengthAndInput(apv);
+ const suppPubInfo = uint32be(keyLength);
+ const suppPrivInfo = new Uint8Array();
+ const otherInfo = concat(algorithmID, partyUInfo, partyVInfo, suppPubInfo, suppPrivInfo);
+ const Z = new Uint8Array(await crypto.subtle.deriveBits({
+ name: publicKey.algorithm.name,
+ public: publicKey,
+ }, privateKey, getEcdhBitLength(publicKey)));
+ return concatKdf(Z, keyLength, otherInfo);
+}
+function getEcdhBitLength(publicKey) {
+ if (publicKey.algorithm.name === 'X25519') {
+ return 256;
+ }
+ return (Math.ceil(parseInt(publicKey.algorithm.namedCurve.slice(-3), 10) / 8) << 3);
+}
+export function allowed(key) {
+ switch (key.algorithm.namedCurve) {
+ case 'P-256':
+ case 'P-384':
+ case 'P-521':
+ return true;
+ default:
+ return key.algorithm.name === 'X25519';
+ }
+}
--
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