修改后台权限

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';
+    }
+}