From c41768dbbd50a0055298d5ec6318ae7f1d2e4ab3 Mon Sep 17 00:00:00 2001
From: Chris Xiong <chirs241097@gmail.com>
Date: Sun, 11 Sep 2022 01:39:29 -0400
Subject: New testdrive using sqlite db as data storage.

Add signature serialization & deserialization.
Only link what we need from OpenCV.
---
 base64.hpp | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 base64.hpp

(limited to 'base64.hpp')

diff --git a/base64.hpp b/base64.hpp
new file mode 100644
index 0000000..3534b75
--- /dev/null
+++ b/base64.hpp
@@ -0,0 +1,34 @@
+#include <cstdint>
+#include <string>
+
+std::string base64_encode(const void *data, size_t len);
+void* base64_decode(const std::string &s, size_t *rel);
+
+class Base64Encoder
+{
+private:
+    static const char *b64c;
+    uint8_t counter;
+    uint8_t rem;
+    std::string ret;
+public:
+    Base64Encoder();
+    void encode_data(const void *data, size_t len);
+    std::string finalize();
+};
+
+class Base64Decoder
+{
+private:
+    static const uint8_t b64v[];
+    size_t dlen;
+    bool invalid;
+    uint8_t rem;
+    uint8_t counter;
+    size_t bp;
+    std::string s;
+public:
+    Base64Decoder(std::string &&b);
+    size_t decoded_length();
+    size_t decode_data(const void *data, size_t len);
+};
-- 
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