everything everywhere

all at once

1 files changed, 44 insertions, 0 deletions

diff --git a/source/core/StarSha256.hpp b/source/core/StarSha256.hpp
new file mode 100644
index 0000000..6a9abd4
--- /dev/null
+++ b/source/core/StarSha256.hpp
@@ -0,0 +1,44 @@
+#ifndef STAR_SHA_256_HPP
+#define STAR_SHA_256_HPP
+
+#include "StarString.hpp"
+#include "StarByteArray.hpp"
+
+namespace Star {
+
+typedef struct sha_state_struct {
+  uint32_t state[8], length, curlen;
+  uint8_t buf[64];
+} sha_state;
+
+class Sha256Hasher {
+public:
+  Sha256Hasher();
+
+  void push(char const* data, size_t length);
+  void push(String const& data);
+  void push(ByteArray const& data);
+
+  // Produces 32 bytes
+  void compute(char* hashDestination);
+  ByteArray compute();
+
+private:
+  bool m_finished;
+  sha_state m_state;
+};
+
+// Sha256 must, obviously, have 32 bytes available in the destination.
+void sha256(char const* source, size_t length, char* hashDestination);
+
+ByteArray sha256(char const* source, size_t length);
+
+void sha256(ByteArray const& in, ByteArray& out);
+void sha256(String const& in, ByteArray& out);
+
+ByteArray sha256(ByteArray const& in);
+ByteArray sha256(String const& in);
+
+}
+
+#endif