diff options
Diffstat (limited to 'lib/events/encryptedfile.cpp')
| -rw-r--r-- | lib/events/encryptedfile.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/events/encryptedfile.cpp b/lib/events/encryptedfile.cpp index 9cc3a0c8..33ebb514 100644 --- a/lib/events/encryptedfile.cpp +++ b/lib/events/encryptedfile.cpp @@ -64,8 +64,9 @@ std::pair<EncryptedFile, QByteArray> EncryptedFile::encryptFile(const QByteArray int length; auto* ctx = EVP_CIPHER_CTX_new(); - QByteArray cipherText(plainText.size() + EVP_MAX_BLOCK_LENGTH - 1, '\0'); EVP_EncryptInit_ex(ctx, EVP_aes_256_ctr(), nullptr, reinterpret_cast<const unsigned char*>(k.data()),reinterpret_cast<const unsigned char*>(iv.data())); + const auto blockSize = EVP_CIPHER_CTX_block_size(ctx); + QByteArray cipherText(plainText.size() + blockSize - 1, '\0'); EVP_EncryptUpdate(ctx, reinterpret_cast<unsigned char*>(cipherText.data()), &length, reinterpret_cast<const unsigned char*>(plainText.data()), plainText.size()); EVP_EncryptFinal_ex(ctx, reinterpret_cast<unsigned char*>(cipherText.data()) + length, &length); EVP_CIPHER_CTX_free(ctx); |