@azure/keyvault-keys
Version:
Isomorphic client library for Azure KeyVault's keys.
60 lines • 1.91 kB
JavaScript
;
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
Object.defineProperty(exports, "__esModule", { value: true });
exports.createHash = createHash;
exports.createVerify = createVerify;
exports.randomBytes = randomBytes;
const node_crypto_1 = require("node:crypto");
/**
* @internal
* Mapping between signature algorithms and their corresponding hash algorithms. Externally used for testing.
**/
const algorithmToHashAlgorithm = {
ES256: "SHA256",
ES256K: "SHA256",
PS256: "SHA256",
RS256: "SHA256",
ES384: "SHA384",
PS384: "SHA384",
RS384: "SHA384",
ES512: "SHA512",
PS512: "SHA512",
RS512: "SHA512",
};
/**
* @internal
* Use the platform-local hashing functionality
*/
async function createHash(algorithm, data) {
const hashAlgorithm = algorithmToHashAlgorithm[algorithm];
if (!hashAlgorithm) {
throw new Error(`Invalid algorithm ${algorithm} passed to createHash. Supported algorithms: ${Object.keys(algorithmToHashAlgorithm).join(", ")}`);
}
const hash = (0, node_crypto_1.createHash)(hashAlgorithm);
hash.update(Buffer.from(data));
const digest = hash.digest();
return digest;
}
/**
* @internal
* Use the platform-local verify functionality
*/
function createVerify(algorithm, data) {
const verifyAlgorithm = algorithmToHashAlgorithm[algorithm];
if (!verifyAlgorithm) {
throw new Error(`Invalid algorithm ${algorithm} passed to createHash. Supported algorithms: ${Object.keys(algorithmToHashAlgorithm).join(", ")}`);
}
const verifier = (0, node_crypto_1.createVerify)(verifyAlgorithm);
verifier.update(Buffer.from(data));
verifier.end();
return verifier;
}
/**
* @internal
* Use the platform-local randomBytes functionality
*/
function randomBytes(length) {
return (0, node_crypto_1.randomBytes)(length);
}
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