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function run_test() {
var subtle = self.crypto.subtle; // Change to test prefixed implementations
// When are all these tests really done? When all the promises they use have resolved.
var all_promises = [];
// Source file rsa_vectors.js provides the getTestVectors method
// for the RSA-OAEP algorithm that drives these tests.
var vectors = getTestVectors();
var passingVectors = vectors.passing;
var failingVectors = vectors.failing;
// Test decryption, first, because encryption tests rely on that working
passingVectors.forEach(function(vector) {
var promise = importVectorKeys(vector, ["encrypt"], ["decrypt"])
.then(function(vectors) {
// Get a one byte longer plaintext to encrypt
if (!("ciphertext" in vector)) {
return;
}
promise_test(function(test) {
return subtle.decrypt(vector.algorithm, vector.privateKey, vector.ciphertext)
.then(function(plaintext) {
assert_true(equalBuffers(plaintext, vector.plaintext, "Decryption works"));
}, function(err) {
assert_unreached("Decryption should not throw error " + vector.name + ": " + err.message + "'");
});
}, vector.name + " decryption");
}, function(err) {
// We need a failed test if the importVectorKey operation fails, so
// we know we never tested encryption
promise_test(function(test) {
assert_unreached("importVectorKeys failed for " + vector.name + ". Message: ''" + err.message + "''");
}, "importVectorKeys step: " + vector.name + " decryption");
});
all_promises.push(promise);
});
// Test decryption with an altered buffer
passingVectors.forEach(function(vector) {
var promise = importVectorKeys(vector, ["encrypt"], ["decrypt"])
.then(function(vectors) {
// Get a one byte longer plaintext to encrypt
if (!("ciphertext" in vector)) {
return;
}
promise_test(function(test) {
var ciphertext = copyBuffer(vector.ciphertext);
var operation = subtle.decrypt(vector.algorithm, vector.privateKey, ciphertext)
.then(function(plaintext) {
assert_true(equalBuffers(plaintext, vector.plaintext, "Decryption works"));
}, function(err) {
assert_unreached("Decryption should not throw error " + vector.name + ": " + err.message + "'");
});
ciphertext[0] = 255 - ciphertext[0];
return operation;
}, vector.name + " decryption with altered ciphertext");
}, function(err) {
// We need a failed test if the importVectorKey operation fails, so
// we know we never tested encryption
promise_test(function(test) {
assert_unreached("importVectorKeys failed for " + vector.name + ". Message: ''" + err.message + "''");
}, "importVectorKeys step: " + vector.name + " decryption with altered ciphertext");
});
all_promises.push(promise);
});
// Check for failures due to using publicKey to decrypt.
passingVectors.forEach(function(vector) {
var promise = importVectorKeys(vector, ["encrypt"], ["decrypt"])
.then(function(vectors) {
promise_test(function(test) {
return subtle.decrypt(vector.algorithm, vector.publicKey, vector.ciphertext)
.then(function(plaintext) {
assert_unreached("Should have thrown error for using publicKey to decrypt in " + vector.name + ": " + err.message + "'");
}, function(err) {
assert_equals(err.name, "InvalidAccessError", "Should throw InvalidAccessError instead of " + err.message);
});
}, vector.name + " using publicKey to decrypt");
}, function(err) {
// We need a failed test if the importVectorKey operation fails, so
// we know we never tested encryption
promise_test(function(test) {
assert_unreached("importVectorKeys failed for " + vector.name + ". Message: ''" + err.message + "''");
}, "importVectorKeys step: " + vector.name + " using publicKey to decrypt");
});
all_promises.push(promise);
});
// Check for failures due to no "decrypt" usage.
passingVectors.forEach(function(originalVector) {
var vector = Object.assign({}, originalVector);
var promise = importVectorKeys(vector, ["encrypt"], ["unwrapKey"])
.then(function(vectors) {
// Get a one byte longer plaintext to encrypt
promise_test(function(test) {
return subtle.decrypt(vector.algorithm, vector.publicKey, vector.ciphertext)
.then(function(plaintext) {
assert_unreached("Should have thrown error for no decrypt usage in " + vector.name + ": " + err.message + "'");
}, function(err) {
assert_equals(err.name, "InvalidAccessError", "Should throw InvalidAccessError instead of " + err.message);
});
}, vector.name + " no decrypt usage");
}, function(err) {
// We need a failed test if the importVectorKey operation fails, so
// we know we never tested encryption
promise_test(function(test) {
assert_unreached("importVectorKeys failed for " + vector.name + ". Message: ''" + err.message + "''");
}, "importVectorKeys step: " + vector.name + " no decrypt usage");
});
all_promises.push(promise);
});
// Check for successful encryption even if plaintext is altered after call.
passingVectors.forEach(function(vector) {
var promise = importVectorKeys(vector, ["encrypt"], ["decrypt"])
.then(function(vectors) {
promise_test(function(test) {
var plaintext = copyBuffer(vector.plaintext);
var operation = subtle.encrypt(vector.algorithm, vector.publicKey, plaintext)
.then(function(ciphertext) {
assert_equals(ciphertext.byteLength * 8, vector.privateKey.algorithm.modulusLength, "Ciphertext length matches modulus length");
// Can we get the original plaintext back via decrypt?
return subtle.decrypt(vector.algorithm, vector.privateKey, ciphertext)
.then(function(result) {
assert_true(equalBuffers(result, vector.plaintext), "Round trip returns original plaintext");
return ciphertext;
}, function(err) {
assert_unreached("decrypt error for test " + vector.name + ": " + err.message + "'");
});
})
.then(function(priorCiphertext) {
// Will a second encrypt give us different ciphertext, as it should?
return subtle.encrypt(vector.algorithm, vector.publicKey, vector.plaintext)
.then(function(ciphertext) {
assert_false(equalBuffers(priorCiphertext, ciphertext), "Two encrypts give different results")
}, function(err) {
assert_unreached("second time encrypt error for test " + vector.name + ": '" + err.message + "'");
});
}, function(err) {
assert_unreached("decrypt error for test " + vector.name + ": '" + err.message + "'");
});
plaintext[0] = 255 - plaintext[0];
return operation;
}, vector.name + " with altered plaintext");
}, function(err) {
// We need a failed test if the importVectorKey operation fails, so
// we know we never tested encryption
promise_test(function(test) {
assert_unreached("importVectorKeys failed for " + vector.name + ". Message: ''" + err.message + "''");
}, "importVectorKeys step: " + vector.name + " with altered plaintext");
});
all_promises.push(promise);
});
// Check for successful encryption.
passingVectors.forEach(function(vector) {
var promise = importVectorKeys(vector, ["encrypt"], ["decrypt"])
.then(function(vectors) {
promise_test(function(test) {
return subtle.encrypt(vector.algorithm, vector.publicKey, vector.plaintext)
.then(function(ciphertext) {
assert_equals(ciphertext.byteLength * 8, vector.privateKey.algorithm.modulusLength, "Ciphertext length matches modulus length");
// Can we get the original plaintext back via decrypt?
return subtle.decrypt(vector.algorithm, vector.privateKey, ciphertext)
.then(function(result) {
assert_true(equalBuffers(result, vector.plaintext), "Round trip returns original plaintext");
return ciphertext;
}, function(err) {
assert_unreached("decrypt error for test " + vector.name + ": " + err.message + "'");
});
})
.then(function(priorCiphertext) {
// Will a second encrypt give us different ciphertext, as it should?
return subtle.encrypt(vector.algorithm, vector.publicKey, vector.plaintext)
.then(function(ciphertext) {
assert_false(equalBuffers(priorCiphertext, ciphertext), "Two encrypts give different results")
}, function(err) {
assert_unreached("second time encrypt error for test " + vector.name + ": '" + err.message + "'");
});
}, function(err) {
assert_unreached("decrypt error for test " + vector.name + ": '" + err.message + "'");
});
}, vector.name);
}, function(err) {
// We need a failed test if the importVectorKey operation fails, so
// we know we never tested encryption
promise_test(function(test) {
assert_unreached("importVectorKeys failed for " + vector.name + ". Message: ''" + err.message + "''");
}, "importVectorKeys step: " + vector.name);
});
all_promises.push(promise);
});
// Check for failures due to too long plaintext.
passingVectors.forEach(function(vector) {
var promise = importVectorKeys(vector, ["encrypt"], ["decrypt"])
.then(function(vectors) {
// Get a one byte longer plaintext to encrypt
var plaintext = new Uint8Array(vector.plaintext.byteLength + 1);
plaintext.set(plaintext, 0);
plaintext.set(new Uint8Array([32]), vector.plaintext.byteLength);
promise_test(function(test) {
return subtle.encrypt(vector.algorithm, vector.publicKey, plaintext)
.then(function(ciphertext) {
assert_unreached("Should have thrown error for too long plaintext in " + vector.name + ": " + err.message + "'");
}, function(err) {
assert_equals(err.name, "OperationError", "Should throw OperationError instead of " + err.message);
});
}, vector.name + " too long plaintext");
}, function(err) {
// We need a failed test if the importVectorKey operation fails, so
// we know we never tested encryption
promise_test(function(test) {
assert_unreached("importVectorKeys failed for " + vector.name + ". Message: ''" + err.message + "''");
}, "importVectorKeys step: " + vector.name + " too long plaintext");
});
all_promises.push(promise);
});
// Check for failures due to using privateKey to encrypt.
passingVectors.forEach(function(vector) {
var promise = importVectorKeys(vector, ["encrypt"], ["decrypt"])
.then(function(vectors) {
promise_test(function(test) {
return subtle.encrypt(vector.algorithm, vector.privateKey, vector.plaintext)
.then(function(ciphertext) {
assert_unreached("Should have thrown error for using privateKey to encrypt in " + vector.name + ": " + err.message + "'");
}, function(err) {
assert_equals(err.name, "InvalidAccessError", "Should throw InvalidAccessError instead of " + err.message);
});
}, vector.name + " using privateKey to encrypt");
}, function(err) {
// We need a failed test if the importVectorKey operation fails, so
// we know we never tested encryption
promise_test(function(test) {
assert_unreached("importVectorKeys failed for " + vector.name + ". Message: ''" + err.message + "''");
}, "importVectorKeys step: " + vector.name + " using privateKey to encrypt");
});
all_promises.push(promise);
});
// Check for failures due to no "encrypt usage".
passingVectors.forEach(function(originalVector) {
var vector = Object.assign({}, originalVector);
var promise = importVectorKeys(vector, [], ["decrypt"])
.then(function(vectors) {
// Get a one byte longer plaintext to encrypt
promise_test(function(test) {
return subtle.encrypt(vector.algorithm, vector.publicKey, vector.plaintext)
.then(function(ciphertext) {
assert_unreached("Should have thrown error for no encrypt usage in " + vector.name + ": " + err.message + "'");
}, function(err) {
assert_equals(err.name, "InvalidAccessError", "Should throw InvalidAccessError instead of " + err.message);
});
}, vector.name + " no encrypt usage");
}, function(err) {
// We need a failed test if the importVectorKey operation fails, so
// we know we never tested encryption
promise_test(function(test) {
assert_unreached("importVectorKeys failed for " + vector.name + ". Message: ''" + err.message + "''");
}, "importVectorKeys step: " + vector.name + " no encrypt usage");
});
all_promises.push(promise);
});
Promise.all(all_promises)
.then(function() {done();})
.catch(function() {done();})
// A test vector has all needed fields for encryption, EXCEPT that the
// key field may be null. This function replaces that null with the Correct
// CryptoKey object.
//
// Returns a Promise that yields an updated vector on success.
function importVectorKeys(vector, publicKeyUsages, privateKeyUsages) {
var publicPromise, privatePromise;
if (vector.publicKey !== null) {
publicPromise = new Promise(function(resolve, reject) {
resolve(vector);
});
} else {
publicPromise = subtle.importKey(vector.publicKeyFormat, vector.publicKeyBuffer, {name: vector.algorithm.name, hash: vector.hash}, false, publicKeyUsages)
.then(function(key) {
vector.publicKey = key;
return vector;
}); // Returns a copy of the sourceBuffer it is sent.
function copyBuffer(sourceBuffer) {
var source = new Uint8Array(sourceBuffer);
var copy = new Uint8Array(sourceBuffer.byteLength)
for (var i=0; i<source.byteLength; i++) {
copy[i] = source[i];
}
return copy;
}
}
if (vector.privateKey !== null) {
privatePromise = new Promise(function(resolve, reject) {
resolve(vector);
});
} else {
privatePromise = subtle.importKey(vector.privateKeyFormat, vector.privateKeyBuffer, {name: vector.algorithm.name, hash: vector.hash}, false, privateKeyUsages)
.then(function(key) {
vector.privateKey = key;
return vector;
});
}
return Promise.all([publicPromise, privatePromise]);
}
// Returns a copy of the sourceBuffer it is sent.
function copyBuffer(sourceBuffer) {
var source = new Uint8Array(sourceBuffer);
var copy = new Uint8Array(sourceBuffer.byteLength)
for (var i=0; i<source.byteLength; i++) {
copy[i] = source[i];
}
return copy;
}
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;
}
return;
}
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