1 files changed, 27 insertions, 0 deletions
diff --git a/include/sha1.h b/include/sha1.h
new file mode 100644
index 0000000..62af1da
--- /dev/null
+++ b/include/sha1.h
@@ -0,0 +1,27 @@
+#ifndef UTIL_LINUX_SHA1_H
+#define UTIL_LINUX_SHA1_H
+
+/*
+   SHA-1 in C
+   By Steve Reid <steve@edmweb.com>
+   100% Public Domain
+ */
+
+#include "stdint.h"
+
+#define UL_SHA1LENGTH		20
+
+typedef struct
+{
+    uint32_t	state[5];
+    uint32_t	count[2];
+    unsigned	char buffer[64];
+} UL_SHA1_CTX;
+
+void ul_SHA1Transform(uint32_t state[5], const unsigned char buffer[64]);
+void ul_SHA1Init(UL_SHA1_CTX *context);
+void ul_SHA1Update(UL_SHA1_CTX *context, const unsigned char *data, uint32_t len);
+void ul_SHA1Final(unsigned char digest[UL_SHA1LENGTH], UL_SHA1_CTX *context);
+void ul_SHA1(char *hash_out, const char *str, unsigned len);
+
+#endif /* UTIL_LINUX_SHA1_H */