1 files changed, 33 insertions, 0 deletions
diff --git a/ext/sha1/sha1.h b/ext/sha1/sha1.h
new file mode 100644
index 0000000000..f988476a1b
--- /dev/null
+++ b/ext/sha1/sha1.h
@@ -0,0 +1,33 @@
+#ifndef _SHA1_H
+#define _SHA1_H
+
+#include "config.h"
+
+#ifdef HAVE_PROTOTYPES
+#define PROTOTYPES 1
+#endif
+#ifndef PROTOTYPES
+#define PROTOTYPES 0
+#endif
+
+#if PROTOTYPES
+#define __P(x) x
+#else
+#define __P(x) ()
+#endif
+
+#include <stdio.h>
+#include <string.h>
+
+typedef struct {
+    unsigned long state[5];
+    unsigned long count[2];
+    unsigned char buffer[64];
+} SHA1_CTX;
+
+void SHA1Transform __P((unsigned long state[5], unsigned char buffer[64]));
+void SHA1Init __P((SHA1_CTX* context));
+void SHA1Update __P((SHA1_CTX* context, unsigned char* data, unsigned int len));
+void SHA1Final __P((unsigned char digest[20], SHA1_CTX* context));
+
+#endif /* _SHA1_H */