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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 var internalAPI = require('platformKeys.internalAPI'); |
| 6 |
| 7 var normalizeAlgorithm = |
| 8 requireNative('platform_keys_natives').NormalizeAlgorithm; |
| 9 |
| 10 function combineAlgorithms(algorithm, importParams) { |
| 11 if (importParams.name === undefined) { |
| 12 importParams.name = algorithm.name; |
| 13 } |
| 14 |
| 15 // Verify whether importParams.hash equals |
| 16 // { name: 'none' } |
| 17 if (importParams.hash && |
| 18 importParams.hash.name.toLowerCase() === 'none') { |
| 19 if (Object.keys(importParams.hash).length != 1 || |
| 20 Object.keys(importParams).length != 2) { |
| 21 // 'name' must be the only hash property in this case. |
| 22 throw new Error('A required parameter was missing or out-of-range'); |
| 23 } |
| 24 importParams.hash.name = 'none'; |
| 25 } else { |
| 26 // Otherwise apply WebCrypto's algorithm normalization. |
| 27 importParams = normalizeAlgorithm(importParams, 'ImportKey'); |
| 28 if (!importParams) { |
| 29 // throw CreateSyntaxError(); |
| 30 throw new Error('A required parameter was missing or out-of-range'); |
| 31 } |
| 32 } |
| 33 |
| 34 // internalAPI.getPublicKey returns publicExponent as ArrayBuffer, but it |
| 35 // should be a Uint8Array. |
| 36 if (algorithm.publicExponent) { |
| 37 algorithm.publicExponent = new Uint8Array(algorithm.publicExponent); |
| 38 } |
| 39 |
| 40 for (var key in importParams) { |
| 41 algorithm[key] = importParams[key]; |
| 42 } |
| 43 |
| 44 return algorithm; |
| 45 } |
| 46 |
| 47 function getPublicKey(cert, importParams, callback) { |
| 48 internalAPI.getPublicKey(cert, function(publicKey, algorithm) { |
| 49 var combinedAlgorithm = combineAlgorithms(algorithm, importParams); |
| 50 callback(publicKey, combinedAlgorithm); |
| 51 }); |
| 52 } |
| 53 |
| 54 exports.getPublicKey = getPublicKey; |
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