1 files changed, 49 insertions, 0 deletions
diff --git a/src/librbd/crypto/openssl/DataCryptor.h b/src/librbd/crypto/openssl/DataCryptor.h
new file mode 100644
index 000000000..af6956883
--- /dev/null
+++ b/src/librbd/crypto/openssl/DataCryptor.h
@@ -0,0 +1,49 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_CRYPTO_OPENSSL_DATA_CRYPTOR_H
+#define CEPH_LIBRBD_CRYPTO_OPENSSL_DATA_CRYPTOR_H
+
+#include "librbd/crypto/DataCryptor.h"
+#include "include/Context.h"
+#include <openssl/evp.h>
+
+namespace librbd {
+namespace crypto {
+namespace openssl {
+
+class DataCryptor : public crypto::DataCryptor<EVP_CIPHER_CTX> {
+
+public:
+    DataCryptor(CephContext* cct) : m_cct(cct) {};
+    ~DataCryptor();
+
+    int init(const char* cipher_name, const unsigned char* key,
+             uint16_t key_length);
+    uint32_t get_block_size() const override;
+    uint32_t get_iv_size() const override;
+    const unsigned char* get_key() const override;
+    int get_key_length() const override;
+
+    EVP_CIPHER_CTX* get_context(CipherMode mode) override;
+    void return_context(EVP_CIPHER_CTX* ctx, CipherMode mode) override;
+    int init_context(EVP_CIPHER_CTX* ctx, const unsigned char* iv,
+                     uint32_t iv_length) const override;
+    int update_context(EVP_CIPHER_CTX* ctx, const unsigned char* in,
+                       unsigned char* out, uint32_t len) const override;
+
+private:
+    CephContext* m_cct;
+    unsigned char* m_key = nullptr;
+    uint16_t m_key_size = 0;
+    const EVP_CIPHER* m_cipher;
+    uint32_t m_iv_size;
+
+    void log_errors() const;
+};
+
+} // namespace openssl
+} // namespace crypto
+} // namespace librbd
+
+#endif // CEPH_LIBRBD_CRYPTO_OPENSSL_DATA_CRYPTOR_H