| 39 | } |
| 40 | |
| 41 | bool DataEncryptor::decrypt(const Byte* data, size_t length, ByteBuffer& out) const { |
| 42 | snap::utils::crypto::AesEncryptor::Iv iv; |
| 43 | |
| 44 | if (length < iv.size()) { |
| 45 | return false; |
| 46 | } |
| 47 | |
| 48 | std::memcpy(iv.data(), data, iv.size()); |
| 49 | |
| 50 | snap::utils::crypto::AesEncryptor decrypter(_key, iv); |
| 51 | |
| 52 | auto decryptResult = decrypter.decrypt(toSpan(data + iv.size(), length - iv.size())); |
| 53 | |
| 54 | if (!decryptResult) { |
| 55 | return false; |
| 56 | } |
| 57 | |
| 58 | out.append(decryptResult.value().data(), decryptResult.value().data() + decryptResult.value().size()); |
| 59 | |
| 60 | return true; |
| 61 | } |
| 62 | |
| 63 | snap::utils::crypto::AesEncryptor::Key DataEncryptor::generateKey() { |
| 64 | snap::utils::crypto::AesEncryptor::Key key; |