1 files changed, 4 insertions, 1 deletions
diff --git a/src/network/ssl/qsslkey_openssl.cpp b/src/network/ssl/qsslkey_openssl.cpp
index 43cb8c6de8..df54b6a0d5 100644
--- a/src/network/ssl/qsslkey_openssl.cpp
+++ b/src/network/ssl/qsslkey_openssl.cpp
@@ -348,7 +348,10 @@ static QByteArray doCrypt(QSslKeyPrivate::Cipher cipher, const QByteArray &data,
 
     EVP_CIPHER_CTX *ctx = q_EVP_CIPHER_CTX_new();
     q_EVP_CIPHER_CTX_reset(ctx);
-    q_EVP_CipherInit(ctx, type, nullptr, nullptr, enc);
+    if (q_EVP_CipherInit(ctx, type, nullptr, nullptr, enc) != 1) {
+        QSslSocketBackendPrivate::logAndClearErrorQueue();
+        return QByteArray();
+    }
     q_EVP_CIPHER_CTX_set_key_length(ctx, key.size());
     if (cipher == QSslKeyPrivate::Rc2Cbc)
         q_EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_SET_RC2_KEY_BITS, 8 * key.size(), nullptr);