1 files changed, 2 insertions, 2 deletions
diff --git a/lib/events/encryptedfile.cpp b/lib/events/encryptedfile.cpp
index 140dca7f..33ebb514 100644
--- a/lib/events/encryptedfile.cpp
+++ b/lib/events/encryptedfile.cpp
@@ -64,10 +64,10 @@ 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());
-    cipherText.resize(length);
     EVP_EncryptFinal_ex(ctx, reinterpret_cast<unsigned char*>(cipherText.data()) + length, &length);
     EVP_CIPHER_CTX_free(ctx);