Organise files

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 0 insertions, 47 deletions

diff --git a/libkeccak_hmac_set_key.c b/libkeccak_hmac_set_key.c
deleted file mode 100644
index 2795e4f..0000000
--- a/libkeccak_hmac_set_key.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "common.h"
-
-
-/**
- * Change the HMAC-hashing key on the state
- * 
- * @param   state       The state that should be reset
- * @param   key         The new key
- * @param   key_length  The length of key, in bits
- * @return              Zero on success, -1 on error
- */
-int
-libkeccak_hmac_set_key(struct libkeccak_hmac_state *restrict state, const void *restrict key, size_t key_length)
-{
-	size_t i, size, new_key_length, key_bytes;
-	void *new;
-
-	size = (size_t)(state->sponge.r) > key_length ? (size_t)(state->sponge.r) : key_length;
-	new_key_length = size;
-	size = (size + 7) >> 3;
-	key_bytes = (key_length + 7) >> 3;
-
-	if (size != key_bytes) {
-		new = realloc(state->key_opad, 2 * size);
-		if (!new)
-			return -1;
-		state->key_opad = new;
-		state->key_ipad = state->key_opad + size;
-	}
-
-	memcpy(state->key_opad, key, key_bytes);
-	if (key_length & 7)
-		state->key_opad[(key_bytes >> 3) - 1] &= (unsigned char)((1 << (key_length & 7)) - 1);
-
-	if ((size_t)(state->sponge.r) > key_length)
-		__builtin_memset(state->key_opad + key_bytes, 0, size - key_bytes);
-
-	for (i = 0; i < size; i++) {
-		state->key_ipad[i] = state->key_opad[i] ^ HMAC_INNER_PAD;
-		state->key_opad[i] ^= HMAC_OUTER_PAD;
-	}
-
-	state->key_length = new_key_length;
-
-	return 0;
-}