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-rw-r--r--src/crypto/spx/address.c101
1 files changed, 0 insertions, 101 deletions
diff --git a/src/crypto/spx/address.c b/src/crypto/spx/address.c
deleted file mode 100644
index 13ca2f0c..00000000
--- a/src/crypto/spx/address.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/* Copyright (c) 2023, Google LLC
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
-
-#include <openssl/base.h>
-
-#include <string.h>
-
-#include "../internal.h"
-#include "./address.h"
-#include "./spx_util.h"
-
-
-// Offsets of various fields in the address structure for SPHINCS+-SHA2-128s.
-
-// The byte used to specify the Merkle tree layer.
-#define SPX_OFFSET_LAYER 0
-
-// The start of the 8 byte field used to specify the tree.
-#define SPX_OFFSET_TREE 1
-
-// The byte used to specify the hash type (reason).
-#define SPX_OFFSET_TYPE 9
-
-// The high byte used to specify the key pair (which one-time signature).
-#define SPX_OFFSET_KP_ADDR2 12
-
-// The low byte used to specific the key pair.
-#define SPX_OFFSET_KP_ADDR1 13
-
-// The byte used to specify the chain address (which Winternitz chain).
-#define SPX_OFFSET_CHAIN_ADDR 17
-
-// The byte used to specify the hash address (where in the Winternitz chain).
-#define SPX_OFFSET_HASH_ADDR 21
-
-// The byte used to specify the height of this node in the FORS or Merkle tree.
-#define SPX_OFFSET_TREE_HGT 17
-
-// The start of the 4 byte field used to specify the node in the FORS or Merkle
-// tree.
-#define SPX_OFFSET_TREE_INDEX 18
-
-
-void spx_set_chain_addr(uint8_t addr[32], uint32_t chain) {
- addr[SPX_OFFSET_CHAIN_ADDR] = (uint8_t)chain;
-}
-
-void spx_set_hash_addr(uint8_t addr[32], uint32_t hash) {
- addr[SPX_OFFSET_HASH_ADDR] = (uint8_t)hash;
-}
-
-void spx_set_keypair_addr(uint8_t addr[32], uint32_t keypair) {
- addr[SPX_OFFSET_KP_ADDR2] = (uint8_t)(keypair >> 8);
- addr[SPX_OFFSET_KP_ADDR1] = (uint8_t)keypair;
-}
-
-void spx_copy_keypair_addr(uint8_t out[32], const uint8_t in[32]) {
- memcpy(out, in, SPX_OFFSET_TREE + 8);
- out[SPX_OFFSET_KP_ADDR2] = in[SPX_OFFSET_KP_ADDR2];
- out[SPX_OFFSET_KP_ADDR1] = in[SPX_OFFSET_KP_ADDR1];
-}
-
-void spx_set_layer_addr(uint8_t addr[32], uint32_t layer) {
- addr[SPX_OFFSET_LAYER] = (uint8_t)layer;
-}
-
-void spx_set_tree_addr(uint8_t addr[32], uint64_t tree) {
- spx_uint64_to_len_bytes(&addr[SPX_OFFSET_TREE], 8, tree);
-}
-
-void spx_set_type(uint8_t addr[32], uint32_t type) {
- // NIST draft relies on this setting parts of the address to 0, so we do it
- // here to avoid confusion.
- //
- // The behavior here is only correct for the SHA2 instantiations.
- memset(addr + 10, 0, 12);
- addr[SPX_OFFSET_TYPE] = (uint8_t)type;
-}
-
-void spx_set_tree_height(uint8_t addr[32], uint32_t tree_height) {
- addr[SPX_OFFSET_TREE_HGT] = (uint8_t)tree_height;
-}
-
-void spx_set_tree_index(uint8_t addr[32], uint32_t tree_index) {
- CRYPTO_store_u32_be(&addr[SPX_OFFSET_TREE_INDEX], tree_index);
-}
-
-uint32_t spx_get_tree_index(uint8_t addr[32]) {
- return CRYPTO_load_u32_be(addr + SPX_OFFSET_TREE_INDEX);
-}