1 files changed, 18 insertions, 0 deletions
diff --git a/src/include/sha256.h b/src/include/sha256.h
new file mode 100644
index 0000000..e8979c5
--- /dev/null
+++ b/src/include/sha256.h
@@ -0,0 +1,18 @@
+#ifndef SHA256_H
+#define SHA256_H
+
+typedef struct
+{
+  uint8_t data[64];
+  uint32_t datalen;
+  uint32_t bitlen[2];
+  uint32_t state[8];
+} sha256_ctx;
+
+static void sha256_init(sha256_ctx *ctx);
+static void sha256_transform(sha256_ctx *ctx, uint8_t *data);
+static void sha256_update(sha256_ctx *ctx, uint8_t *data, uint32_t len);
+static void sha256_final(uint8_t *hash, sha256_ctx *ctx);
+extern void sha256_hash(char *hash,const char *data, size_t len);
+
+#endif