hashkey.[ch]: Files removed as no longer used

include/coap/hashkey.h

@@ -1,57 +0,0 @@
-/*
- * hashkey.h -- definition of hash key type and helper functions
- *
- * Copyright (C) 2010-2011 Olaf Bergmann <bergmann@tzi.org>
- *
- * This file is part of the CoAP library libcoap. Please see README for terms
- * of use.
- */
-
-/**
- * @file hashkey.h
- * @brief definition of hash key type and helper functions
- */
-
-#ifndef _COAP_HASHKEY_H_
-#define _COAP_HASHKEY_H_
-
-#include "str.h"
-
-typedef unsigned char coap_key_t[4];
-
-#ifndef coap_hash
-/**
- * Calculates a fast hash over the given string @p s of length @p len and stores
- * the result into @p h. Depending on the exact implementation, this function
- * cannot be used as one-way function to check message integrity or simlar.
- *
- * @param s   The string used for hash calculation.
- * @param len The length of @p s.
- * @param h   The result buffer to store the calculated hash key.
- */
-void coap_hash_impl(const unsigned char *s, unsigned int len, coap_key_t h);
-
-#define coap_hash(String,Length,Result) \
-  coap_hash_impl((String),(Length),(Result))
-
-/* This is used to control the pre-set hash-keys for resources. */
-#define __COAP_DEFAULT_HASH
-#else
-#undef __COAP_DEFAULT_HASH
-#endif /* coap_hash */
-
-/**
- * Calls coap_hash() with given @c str object as parameter.
- *
- * @param Str Must contain a pointer to a coap string object.
- * @param H   A coap_key_t object to store the result.
- *
- * @hideinitializer
- */
-#define coap_str_hash(Str,H) {               \
-    assert(Str);                             \
-    memset((H), 0, sizeof(coap_key_t));      \
-    coap_hash((Str)->s, (Str)->length, (H)); \
-  }
-
-#endif /* _COAP_HASHKEY_H_ */

src/hashkey.c

@@ -1,29 +0,0 @@
-/* hashkey.c -- definition of hash key type and helper functions
- *
- * Copyright (C) 2010,2011 Olaf Bergmann <bergmann@tzi.org>
- *
- * This file is part of the CoAP library libcoap. Please see
- * README for terms of use. 
- */
-
-#include "hashkey.h"
-
-/* Caution: When changing this, update COAP_DEFAULT_WKC_HASHKEY
- * accordingly (see int coap_hash_path());
- */
-void
-coap_hash_impl(const unsigned char *s, unsigned int len, coap_key_t h) {
-  size_t j;
-
-  while (len--) {
-    j = sizeof(coap_key_t)-1;
-  
-    while (j) {
-      h[j] = ((h[j] << 7) | (h[j-1] >> 1)) + h[j];
-      --j;
-    }
-
-    h[0] = (h[0] << 7) + h[0] + *s++;
-  }
-}
-