Move the xmpp library to its new name.

src/sha1.h

@@ -0,0 +1,27 @@
+/* public api for steve reid's public domain SHA-1 implementation */
+/* this file is in the public domain */
+
+#ifndef __SHA1_H
+#define __SHA1_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    uint32_t state[5];
+    uint32_t count[2];
+    uint8_t  buffer[64];
+} SHA1_CTX;
+
+#define SHA1_DIGEST_SIZE 20
+
+void SHA1_Init(SHA1_CTX* context);
+void SHA1_Update(SHA1_CTX* context, const uint8_t* data, const size_t len);
+void SHA1_Final(SHA1_CTX* context, uint8_t digest[SHA1_DIGEST_SIZE]);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __SHA1_H */