Clean up includes

fips202.c

@@ -5,10 +5,12 @@
  * from https://twitter.com/tweetfips202
  * by Gilles Van Assche, Daniel J. Bernstein, and Peter Schwabe */
 
-#include <stdint.h>
-#include <assert.h>
 #include "fips202.h"
 
+#include <assert.h>
+#include <stdint.h>
+#include <string.h>
+
 #define NROUNDS 24
 #define ROL(a, offset) ((a << offset) ^ (a >> (64-offset)))
 
@@ -324,8 +326,6 @@ void KeccakF1600_StatePermute(uint64_t * state)
     state[24] = Asu;
 }
 
-#include <string.h>
-
 static void keccak_absorb(uint64_t *s, unsigned int r,
                           const unsigned char *m, unsigned long long mlen,
                           unsigned char p)

hash.h

@@ -8,6 +8,7 @@ Public domain.
 #ifndef XMSS_HASH_H
 #define XMSS_HASH_H
 
+#include <stdint.h>
 #include "params.h"
 
 #define IS_LITTLE_ENDIAN 1

xmss_commons.h

@@ -7,14 +7,11 @@ Public domain.
 #ifndef XMSS_COMMONS_H
 #define XMSS_COMMONS_H
 
-#include <stdlib.h>
 #include <stdint.h>
 #include "params.h"
 
 void to_byte(unsigned char *output, unsigned long long in, uint32_t bytes);
 
-void hexdump(const unsigned char *a, size_t len);
-
 void gen_leaf_wots(const xmss_params *params, unsigned char *leaf,
                    const unsigned char *sk_seed, const unsigned char *pub_seed,
                    uint32_t ltree_addr[8], uint32_t ots_addr[8]);

xmss_core.h

@@ -4,12 +4,11 @@ Andreas Hülsing
 Joost Rijneveld
 Public domain.
 */
-
-#include "wots.h"
-
 #ifndef XMSS_CORE_H
 #define XMSS_CORE_H
 
+#include "params.h"
+
 /**
  * Generates a XMSS key pair for a given parameter set.
  * Format sk: [(32bit) idx || SK_SEED || SK_PRF || PUB_SEED || root]