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// META: title=WebCryptoAPI: importKey() for EC keys // META: timeout=long // Test importKey and exportKey for EC algorithms. Only "happy paths" are // currently tested - those where the operation should succeed. var subtle = crypto.subtle; var curves = ['P-256', 'P-384', 'P-521']; var keyData = { "P-521": { spki: new Uint8Array([48, 129, 155, 48, 16, 6, 7, 42, 134, 72, 206, 61, 2, 1, 6, 5, 43, 129, 4, 0, 35, 3, 129, 134, 0, 4, 1, 86, 244, 121, 248, 223, 30, 32, 167, 255, 192, 76, 228, 32, 195, 225, 84, 174, 37, 25, 150, 190, 228, 47, 3, 75, 132, 212, 27, 116, 63, 52, 228, 95, 49, 27, 129, 58, 156, 222, 200, 205, 165, 155, 187, 189, 49, 212, 96, 179, 41, 37, 33, 231, 193, 183, 34, 229, 102, 124, 3, 219, 47, 174, 117, 63, 1, 80, 23, 54, 207, 226, 71, 57, 67, 32, 216, 228, 175, 194, 253, 57, 181, 169, 51, 16, 97, 184, 30, 34, 65, 40, 43, 158, 23, 137, 24, 34, 181, 183, 158, 5, 47, 69, 151, 181, 150, 67, 253, 57, 55, 156, 81, 189, 81, 37, 196, 244, 139, 195, 240, 37, 206, 60, 211, 105, 83, 40, 108, 203, 56, 251]), pkcs8: new Uint8Array([48, 129, 238, 2, 1, 0, 48, 16, 6, 7, 42, 134, 72, 206, 61, 2, 1, 6, 5, 43, 129, 4, 0, 35, 4, 129, 214, 48, 129, 211, 2, 1, 1, 4, 66, 0, 244, 8, 117, 131, 104, 186, 147, 15, 48, 247, 106, 224, 84, 254, 92, 210, 206, 127, 218, 44, 159, 118, 166, 212, 54, 207, 117, 214, 108, 68, 11, 254, 99, 49, 199, 193, 114, 161, 36, 120, 25, 60, 130, 81, 72, 123, 201, 18, 99, 250, 80, 33, 127, 133, 255, 99, 111, 89, 205, 84, 110, 58, 180, 131, 180, 161, 129, 137, 3, 129, 134, 0, 4, 1, 86, 244, 121, 248, 223, 30, 32, 167, 255, 192, 76, 228, 32, 195, 225, 84, 174, 37, 25, 150, 190, 228, 47, 3, 75, 132, 212, 27, 116, 63, 52, 228, 95, 49, 27, 129, 58, 156, 222, 200, 205, 165, 155, 187, 189, 49, 212, 96, 179, 41, 37, 33, 231, 193, 183, 34, 229, 102, 124, 3, 219, 47, 174, 117, 63, 1, 80, 23, 54, 207, 226, 71, 57, 67, 32, 216, 228, 175, 194, 253, 57, 181, 169, 51, 16, 97, 184, 30, 34, 65, 40, 43, 158, 23, 137, 24, 34, 181, 183, 158, 5, 47, 69, 151, 181, 150, 67, 253, 57, 55, 156, 81, 189, 81, 37, 196, 244, 139, 195, 240, 37, 206, 60, 211, 105, 83, 40, 108, 203, 56, 251]), jwk: { kty: "EC", crv: "P-521", x: "AVb0efjfHiCn_8BM5CDD4VSuJRmWvuQvA0uE1Bt0PzTkXzEbgTqc3sjNpZu7vTHUYLMpJSHnwbci5WZ8A9svrnU_", y: "AVAXNs_iRzlDINjkr8L9ObWpMxBhuB4iQSgrnheJGCK1t54FL0WXtZZD_Tk3nFG9USXE9IvD8CXOPNNpUyhsyzj7", d: "APQIdYNoupMPMPdq4FT-XNLOf9osn3am1DbPddZsRAv-YzHHwXKhJHgZPIJRSHvJEmP6UCF_hf9jb1nNVG46tIO0" } }, "P-256": { spki: new Uint8Array([48, 89, 48, 19, 6, 7, 42, 134, 72, 206, 61, 2, 1, 6, 8, 42, 134, 72, 206, 61, 3, 1, 7, 3, 66, 0, 4, 210, 16, 176, 166, 249, 217, 240, 18, 134, 128, 88, 180, 63, 164, 244, 113, 1, 133, 67, 187, 160, 12, 146, 80, 223, 146, 87, 194, 172, 174, 93, 209, 206, 3, 117, 82, 212, 129, 69, 12, 227, 155, 77, 16, 149, 112, 27, 23, 91, 250, 179, 75, 142, 108, 9, 158, 24, 241, 193, 152, 53, 131, 97, 232]), pkcs8: new Uint8Array([48, 129, 135, 2, 1, 0, 48, 19, 6, 7, 42, 134, 72, 206, 61, 2, 1, 6, 8, 42, 134, 72, 206, 61, 3, 1, 7, 4, 109, 48, 107, 2, 1, 1, 4, 32, 19, 211, 58, 45, 90, 191, 156, 249, 235, 178, 31, 248, 96, 212, 174, 254, 110, 86, 231, 119, 144, 244, 222, 233, 180, 8, 132, 235, 211, 53, 68, 234, 161, 68, 3, 66, 0, 4, 210, 16, 176, 166, 249, 217, 240, 18, 134, 128, 88, 180, 63, 164, 244, 113, 1, 133, 67, 187, 160, 12, 146, 80, 223, 146, 87, 194, 172, 174, 93, 209, 206, 3, 117, 82, 212, 129, 69, 12, 227, 155, 77, 16, 149, 112, 27, 23, 91, 250, 179, 75, 142, 108, 9, 158, 24, 241, 193, 152, 53, 131, 97, 232]), jwk: { kty: "EC", crv: "P-256", x: "0hCwpvnZ8BKGgFi0P6T0cQGFQ7ugDJJQ35JXwqyuXdE", y: "zgN1UtSBRQzjm00QlXAbF1v6s0uObAmeGPHBmDWDYeg", d: "E9M6LVq_nPnrsh_4YNSu_m5W53eQ9N7ptAiE69M1ROo" } }, "P-384": { spki: new Uint8Array([48, 118, 48, 16, 6, 7, 42, 134, 72, 206, 61, 2, 1, 6, 5, 43, 129, 4, 0, 34, 3, 98, 0, 4, 33, 156, 20, 214, 102, 23, 179, 110, 198, 216, 133, 107, 56, 91, 115, 167, 77, 52, 79, 216, 174, 117, 239, 4, 100, 53, 221, 165, 78, 59, 68, 189, 95, 189, 235, 209, 208, 141, 214, 158, 45, 125, 193, 220, 33, 140, 180, 53, 189, 40, 19, 140, 199, 120, 51, 122, 132, 47, 107, 214, 27, 36, 14, 116, 36, 159, 36, 102, 124, 42, 88, 16, 167, 107, 252, 40, 224, 51, 95, 136, 166, 80, 29, 236, 1, 151, 109, 168, 90, 251, 0, 134, 156, 182, 172, 232]), pkcs8: new Uint8Array([48, 129, 182, 2, 1, 0, 48, 16, 6, 7, 42, 134, 72, 206, 61, 2, 1, 6, 5, 43, 129, 4, 0, 34, 4, 129, 158, 48, 129, 155, 2, 1, 1, 4, 48, 69, 55, 181, 153, 7, 132, 211, 194, 210, 46, 150, 168, 249, 47, 161, 170, 73, 46, 232, 115, 229, 118, 164, 21, 130, 225, 68, 24, 60, 152, 136, 209, 14, 107, 158, 180, 206, 212, 178, 204, 64, 18, 228, 172, 94, 168, 64, 115, 161, 100, 3, 98, 0, 4, 33, 156, 20, 214, 102, 23, 179, 110, 198, 216, 133, 107, 56, 91, 115, 167, 77, 52, 79, 216, 174, 117, 239, 4, 100, 53, 221, 165, 78, 59, 68, 189, 95, 189, 235, 209, 208, 141, 214, 158, 45, 125, 193, 220, 33, 140, 180, 53, 189, 40, 19, 140, 199, 120, 51, 122, 132, 47, 107, 214, 27, 36, 14, 116, 36, 159, 36, 102, 124, 42, 88, 16, 167, 107, 252, 40, 224, 51, 95, 136, 166, 80, 29, 236, 1, 151, 109, 168, 90, 251, 0, 134, 156, 182, 172, 232]), jwk: { kty: "EC", crv: "P-384", x: "IZwU1mYXs27G2IVrOFtzp000T9iude8EZDXdpU47RL1fvevR0I3Wni19wdwhjLQ1", y: "vSgTjMd4M3qEL2vWGyQOdCSfJGZ8KlgQp2v8KOAzX4imUB3sAZdtqFr7AIactqzo", d: "RTe1mQeE08LSLpao-S-hqkku6HPldqQVguFEGDyYiNEOa560ztSyzEAS5KxeqEBz" } }, }; // combinations to test var testVectors = [ {name: "ECDSA", privateUsages: ["sign"], publicUsages: ["verify"]}, {name: "ECDH", privateUsages: ["deriveKey", "deriveBits"], publicUsages: []} ]; // TESTS ARE HERE: // Test every test vector, along with all available key data testVectors.forEach(function(vector) { curves.forEach(function(curve) { [true, false].forEach(function(extractable) { // Test public keys first [[]].forEach(function(usages) { // Only valid usages argument is empty array ['spki', 'jwk'].forEach(function(format) { var algorithm = {name: vector.name, namedCurve: curve}; var data = keyData[curve]; if (format === "jwk") { // Not all fields used for public keys data = {jwk: {kty: keyData[curve].jwk.kty, crv: keyData[curve].jwk.crv, x: keyData[curve].jwk.x, y: keyData[curve].jwk.y}}; } testFormat(format, algorithm, data, curve, usages, extractable); }); }); // Next, test private keys allValidUsages(vector.privateUsages, []).forEach(function(usages) { ['pkcs8', 'jwk'].forEach(function(format) { var algorithm = {name: vector.name, namedCurve: curve}; var data = keyData[curve]; testFormat(format, algorithm, data, curve, usages, extractable); }); }); }); }); }); // Test importKey with a given key format and other parameters. If // extrable is true, export the key and verify that it matches the input. function testFormat(format, algorithm, keyData, keySize, usages, extractable) { promise_test(function(test) { return subtle.importKey(format, keyData[format], algorithm, extractable, usages). then(function(key) { assert_equals(key.constructor, CryptoKey, "Imported a CryptoKey object"); if (!extractable) { return; } return subtle.exportKey(format, key). then(function(result) { if (format !== "jwk") { assert_true(equalBuffers(keyData[format], result), "Round trip works"); } else { assert_true(equalJwk(keyData[format], result), "Round trip works"); } }, function(err) { assert_unreached("Threw an unexpected error: " + err.toString()); }); }, function(err) { assert_unreached("Threw an unexpected error: " + err.toString()); }); }, "Good parameters: " + keySize.toString() + " bits " + parameterString(format, keyData[format], algorithm, extractable, usages)); } // Helper methods follow: // Are two array buffers the same? function equalBuffers(a, b) { if (a.byteLength !== b.byteLength) { return false; } var aBytes = new Uint8Array(a); var bBytes = new Uint8Array(b); for (var i=0; i<a.byteLength; i++) { if (aBytes[i] !== bBytes[i]) { return false; } } return true; } // Are two Jwk objects "the same"? That is, does the object returned include // matching values for each property that was expected? It's okay if the // returned object has extra methods; they aren't checked. function equalJwk(expected, got) { var fields = Object.keys(expected); var fieldName; for(var i=0; i<fields.length; i++) { fieldName = fields[i]; if (!(fieldName in got)) { return false; } if (expected[fieldName] !== got[fieldName]) { return false; } } return true; } // Build minimal Jwk objects from raw key data and algorithm specifications function jwkData(keyData, algorithm) { var result = { kty: "oct", k: byteArrayToUnpaddedBase64(keyData) }; if (algorithm.name.substring(0, 3) === "AES") { result.alg = "A" + (8 * keyData.byteLength).toString() + algorithm.name.substring(4); } else if (algorithm.name === "HMAC") { result.alg = "HS" + algorithm.hash.substring(4); } return result; } // Jwk format wants Base 64 without the typical padding at the end. function byteArrayToUnpaddedBase64(byteArray){ var binaryString = ""; for (var i=0; i<byteArray.byteLength; i++){ binaryString += String.fromCharCode(byteArray[i]); } var base64String = btoa(binaryString); return base64String.replace(/=/g, ""); } // Want to test every valid combination of usages. Start by creating a list // of all non-empty subsets to possible usages. function allNonemptySubsetsOf(arr) { var results = []; var firstElement; var remainingElements; for(var i=0; i<arr.length; i++) { firstElement = arr[i]; remainingElements = arr.slice(i+1); results.push([firstElement]); if (remainingElements.length > 0) { allNonemptySubsetsOf(remainingElements).forEach(function(combination) { combination.push(firstElement); results.push(combination); }); } } return results; } // Return a list of all valid usage combinations, given the possible ones // and the ones that are required for a particular operation. function allValidUsages(possibleUsages, requiredUsages) { var allUsages = []; allNonemptySubsetsOf(possibleUsages).forEach(function(usage) { for (var i=0; i<requiredUsages.length; i++) { if (!usage.includes(requiredUsages[i])) { return; } } allUsages.push(usage); }); return allUsages; } // Convert method parameters to a string to uniquely name each test function parameterString(format, data, algorithm, extractable, usages) { if ("byteLength" in data) { data = "buffer(" + data.byteLength.toString() + ")"; } else { data = "object(" + Object.keys(data).join(", ") + ")"; } var result = "(" + objectToString(format) + ", " + objectToString(data) + ", " + objectToString(algorithm) + ", " + objectToString(extractable) + ", " + objectToString(usages) + ")"; return result; } // Character representation of any object we may use as a parameter. function objectToString(obj) { var keyValuePairs = []; if (Array.isArray(obj)) { return "[" + obj.map(function(elem){return objectToString(elem);}).join(", ") + "]"; } else if (typeof obj === "object") { Object.keys(obj).sort().forEach(function(keyName) { keyValuePairs.push(keyName + ": " + objectToString(obj[keyName])); }); return "{" + keyValuePairs.join(", ") + "}"; } else if (typeof obj === "undefined") { return "undefined"; } else { return obj.toString(); } var keyValuePairs = []; Object.keys(obj).sort().forEach(function(keyName) { var value = obj[keyName]; if (typeof value === "object") { value = objectToString(value); } else if (typeof value === "array") { value = "[" + value.map(function(elem){return objectToString(elem);}).join(", ") + "]"; } else { value = value.toString(); } keyValuePairs.push(keyName + ": " + value); }); return "{" + keyValuePairs.join(", ") + "}"; }