| 695 | } |
| 696 | |
| 697 | int FSCryptDenc::encrypt(const char *in_data, int in_len, |
| 698 | char *out_data, int out_len) |
| 699 | { |
| 700 | int total_len; |
| 701 | |
| 702 | if ((int)key.size() != key_size) { |
| 703 | ldout(cct, 0) << "ERROR: unexpected encryption key size: " << key.size() << " (expected: " << key_size << ")" << dendl; |
| 704 | return -EINVAL; |
| 705 | } |
| 706 | |
| 707 | if ((uint64_t)out_len < (fscrypt_align_ofs(in_len))) { |
| 708 | return -ERANGE; |
| 709 | } |
| 710 | |
| 711 | if (!EVP_CipherInit_ex2(cipher_ctx, cipher, (const uint8_t *)key.data(), iv.raw, |
| 712 | 1, cipher_params.data())) { |
| 713 | return -EINVAL; |
| 714 | } |
| 715 | |
| 716 | int len; |
| 717 | |
| 718 | if (EVP_EncryptUpdate(cipher_ctx, (uint8_t *)out_data, &len, (const uint8_t *)in_data, in_len) != 1) { |
| 719 | return -EINVAL; |
| 720 | } |
| 721 | |
| 722 | total_len = len; |
| 723 | |
| 724 | if (EVP_EncryptFinal_ex(cipher_ctx, (uint8_t *)out_data + len, &len) != 1) { |
| 725 | return -EINVAL; |
| 726 | } |
| 727 | |
| 728 | total_len += len; |
| 729 | |
| 730 | return total_len; |
| 731 | } |
| 732 | |
| 733 | FSCryptDenc::~FSCryptDenc() |
| 734 | { |
nothing calls this directly
no test coverage detected