0.0.1版本

2026-06-16 18:30:19 +08:00
parent f10504e4a1
commit 128226e57f
84 changed files with 5571 additions and 0 deletions
@@ -0,0 +1,23 @@
+#ifndef SHA1_H
+#define SHA1_H
+
+#include <cstdint>
+#include <vector>
+
+class SHA1 {
+public:
+    static const size_t HASH_SIZE = 20;
+    static const size_t BLOCK_SIZE = 64;
+
+    SHA1();
+    void update(const uint8_t* data, size_t length);
+    void finalize(uint8_t* hash);
+
+private:
+    void transform(const uint8_t* block);
+    uint32_t state[5];
+    uint8_t buffer[64];
+    uint64_t count;
+};
+
+#endif // SHA1_H