--- /dev/null
+/* sha1.h */
+
+#ifndef __SHA1_INCLUDE_
+
+typedef struct {
+ unsigned long state[5];
+ unsigned long count[2];
+ unsigned char buffer[64];
+} SHA1_CTX;
+
+#define SHA1_SIGNATURE_SIZE 20
+
+void SHA1_Transform(unsigned long[5], const unsigned char[64]);
+void SHA1_Init(SHA1_CTX *);
+void SHA1_Update(SHA1_CTX *, const unsigned char *, unsigned int);
+void SHA1_Final(unsigned char[20], SHA1_CTX *);
+
+#define __SHA1_INCLUDE_
+#endif /* __SHA1_INCLUDE_ */