44 lines
1.5 KiB
JavaScript
44 lines
1.5 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.DSSESignatureContent = void 0;
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/*
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Copyright 2023 The Sigstore Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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const core_1 = require("@sigstore/core");
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class DSSESignatureContent {
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constructor(env) {
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this.env = env;
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}
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compareDigest(digest) {
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return core_1.crypto.bufferEqual(digest, core_1.crypto.hash(this.env.payload));
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}
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compareSignature(signature) {
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return core_1.crypto.bufferEqual(signature, this.signature);
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}
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verifySignature(key) {
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return core_1.crypto.verify(this.preAuthEncoding, key, this.signature);
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}
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get signature() {
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return this.env.signatures.length > 0
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? this.env.signatures[0].sig
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: Buffer.from('');
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}
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// DSSE Pre-Authentication Encoding
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get preAuthEncoding() {
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return core_1.dsse.preAuthEncoding(this.env.payloadType, this.env.payload);
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}
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}
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exports.DSSESignatureContent = DSSESignatureContent;
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