From 4d63d1ea8b6bbcc236ac2ad915a43d9f3a702f99 Mon Sep 17 00:00:00 2001
From: fallenoak <git@fallenoak.me>
Date: Sun, 8 Jan 2023 22:21:42 -0600
Subject: [PATCH] feat(net): add SRP6_Random

---
 src/net/srp/SRP6_Random.cpp | 16 ++++++++++++++++
 src/net/srp/SRP6_Random.hpp | 18 ++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 src/net/srp/SRP6_Random.cpp
 create mode 100644 src/net/srp/SRP6_Random.hpp

diff --git a/src/net/srp/SRP6_Random.cpp b/src/net/srp/SRP6_Random.cpp
new file mode 100644
index 0000000..7522797
--- /dev/null
+++ b/src/net/srp/SRP6_Random.cpp
@@ -0,0 +1,16 @@
+#include "net/srp/SRP6_Random.hpp"
+#include <cstring>
+#include <common/SHA1.hpp>
+
+SRP6_Random::SRP6_Random(const void* seed, uint32_t seedLen) {
+    SHA1_CONTEXT ctx;
+    SHA1_Init(&ctx);
+    SHA1_Update(&ctx, static_cast<const uint8_t*>(seed), seedLen);
+    SHA1_Final(reinterpret_cast<uint8_t*>(this->m_randkey1), &ctx);
+
+    memcpy(this->m_randkey2, this->m_randkey1, sizeof(this->m_randkey2));
+
+    memset(this->m_randpool, 0, sizeof(this->m_randpool));
+
+    this->m_inpool = 0;
+}
diff --git a/src/net/srp/SRP6_Random.hpp b/src/net/srp/SRP6_Random.hpp
new file mode 100644
index 0000000..e799f3b
--- /dev/null
+++ b/src/net/srp/SRP6_Random.hpp
@@ -0,0 +1,18 @@
+#ifndef NET_SRP_SRP6_RANDOM_HPP
+#define NET_SRP_SRP6_RANDOM_HPP
+
+#include <cstdint>
+
+class SRP6_Random {
+    public:
+    // Member variables
+    char m_randkey1[20];
+    char m_randkey2[20];
+    char m_randpool[20];
+    uint32_t m_inpool;
+
+    // Member functions
+    SRP6_Random(const void* seed, uint32_t seedLen);
+};
+
+#endif