76 lines
2.7 KiB
JavaScript
76 lines
2.7 KiB
JavaScript
describe('encrypting and decrypting profile data', () => {
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const NAME_PADDED_LENGTH = 26;
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describe('encrypting and decrypting profile names', () => {
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it('pads, encrypts, decrypts, and unpads a short string', () => {
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const name = 'Alice';
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const buffer = dcodeIO.ByteBuffer.wrap(name).toArrayBuffer();
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const key = libsignal.crypto.getRandomBytes(32);
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return textsecure.crypto
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.encryptProfileName(buffer, key)
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.then(encrypted => {
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assert(encrypted.byteLength === NAME_PADDED_LENGTH + 16 + 12);
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return textsecure.crypto
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.decryptProfileName(encrypted, key)
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.then(decrypted => {
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assert.strictEqual(
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dcodeIO.ByteBuffer.wrap(decrypted).toString('utf8'),
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'Alice'
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);
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});
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});
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});
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it('works for empty string', () => {
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const name = dcodeIO.ByteBuffer.wrap('').toArrayBuffer();
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const key = libsignal.crypto.getRandomBytes(32);
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return textsecure.crypto
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.encryptProfileName(name.buffer, key)
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.then(encrypted => {
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assert(encrypted.byteLength === NAME_PADDED_LENGTH + 16 + 12);
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return textsecure.crypto
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.decryptProfileName(encrypted, key)
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.then(decrypted => {
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assert.strictEqual(decrypted.byteLength, 0);
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assert.strictEqual(
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dcodeIO.ByteBuffer.wrap(decrypted).toString('utf8'),
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''
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);
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});
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});
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});
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});
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describe('encrypting and decrypting profile avatars', () => {
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it('encrypts and decrypts', () => {
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const buffer = dcodeIO.ByteBuffer.wrap(
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'This is an avatar'
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).toArrayBuffer();
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const key = libsignal.crypto.getRandomBytes(32);
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return textsecure.crypto.encryptProfile(buffer, key).then(encrypted => {
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assert(encrypted.byteLength === buffer.byteLength + 16 + 12);
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return textsecure.crypto
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.decryptProfile(encrypted, key)
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.then(decrypted => {
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assertEqualArrayBuffers(buffer, decrypted);
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});
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});
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});
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it('throws when decrypting with the wrong key', () => {
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const buffer = dcodeIO.ByteBuffer.wrap(
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'This is an avatar'
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).toArrayBuffer();
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const key = libsignal.crypto.getRandomBytes(32);
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const bad_key = libsignal.crypto.getRandomBytes(32);
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return textsecure.crypto.encryptProfile(buffer, key).then(encrypted => {
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assert(encrypted.byteLength === buffer.byteLength + 16 + 12);
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return textsecure.crypto
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.decryptProfile(encrypted, bad_key)
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.catch(error => {
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assert.strictEqual(error.name, 'ProfileDecryptError');
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});
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});
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});
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});
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});
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