73 lines
2.3 KiB
Ruby
73 lines
2.3 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require 'spec_helper'
|
|
|
|
RSpec.describe Gitlab::CryptoHelper do
|
|
describe '.sha256' do
|
|
it 'generates SHA256 digest Base46 encoded' do
|
|
digest = described_class.sha256('some-value')
|
|
|
|
expect(digest).to match %r{\A[A-Za-z0-9+/=]+\z}
|
|
expect(digest).to eq digest.strip
|
|
end
|
|
end
|
|
|
|
describe '.aes256_gcm_encrypt' do
|
|
it 'is Base64 encoded string without new line character' do
|
|
encrypted = described_class.aes256_gcm_encrypt('some-value')
|
|
|
|
expect(encrypted).to match %r{\A[A-Za-z0-9+/=]+\z}
|
|
expect(encrypted).not_to include "\n"
|
|
end
|
|
|
|
it 'encrypts using static iv' do
|
|
expect(Encryptor).to receive(:encrypt).with(described_class::AES256_GCM_OPTIONS.merge(value: 'some-value', iv: described_class::AES256_GCM_IV_STATIC)).and_return('hashed_value')
|
|
|
|
described_class.aes256_gcm_encrypt('some-value')
|
|
end
|
|
|
|
context 'with provided iv' do
|
|
let(:iv) { create_nonce }
|
|
|
|
it 'encrypts using provided iv' do
|
|
expect(Encryptor).to receive(:encrypt).with(described_class::AES256_GCM_OPTIONS.merge(value: 'some-value', iv: iv)).and_return('hashed_value')
|
|
|
|
described_class.aes256_gcm_encrypt('some-value', nonce: iv)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '.aes256_gcm_decrypt' do
|
|
context 'when token was encrypted using static nonce' do
|
|
let(:encrypted) { described_class.aes256_gcm_encrypt('some-value', nonce: described_class::AES256_GCM_IV_STATIC) }
|
|
|
|
it 'correctly decrypts encrypted string' do
|
|
decrypted = described_class.aes256_gcm_decrypt(encrypted)
|
|
|
|
expect(decrypted).to eq 'some-value'
|
|
end
|
|
|
|
it 'decrypts a value when it ends with a new line character' do
|
|
decrypted = described_class.aes256_gcm_decrypt(encrypted + "\n")
|
|
|
|
expect(decrypted).to eq 'some-value'
|
|
end
|
|
end
|
|
|
|
context 'when token was encrypted using random nonce' do
|
|
let(:value) { 'random-value' }
|
|
let(:iv) { create_nonce }
|
|
let(:encrypted) { described_class.aes256_gcm_encrypt(value, nonce: iv) }
|
|
|
|
it 'correctly decrypts encrypted string' do
|
|
decrypted = described_class.aes256_gcm_decrypt(encrypted, nonce: iv)
|
|
|
|
expect(decrypted).to eq value
|
|
end
|
|
end
|
|
end
|
|
|
|
def create_nonce
|
|
::Digest::SHA256.hexdigest('my-value').bytes.take(TokenAuthenticatableStrategies::EncryptionHelper::NONCE_SIZE).pack('c*')
|
|
end
|
|
end
|