First commit, Vystem v0.1

2026-03-31 22:15:00 +02:00
commit e15daed8c0
462 changed files with 134655 additions and 0 deletions
--- a/Blastproof/keygen/address.c
+++ b/Blastproof/keygen/address.c
@@ -0,0 +1,104 @@
+#include <stdint.h>
+#include <string.h>
+
+#include "address.h"
+#include "params.h"
+#include "utils.h"
+
+/*
+ * Specify which level of Merkle tree (the "layer") we're working on
+ */
+void set_layer_addr(uint32_t addr[8], uint32_t layer)
+{
+    ((unsigned char *)addr)[SPX_OFFSET_LAYER] = (unsigned char)layer;
+}
+
+/*
+ * Specify which Merkle tree within the level (the "tree address") we're working on
+ */
+void set_tree_addr(uint32_t addr[8], uint64_t tree)
+{
+#if (SPX_TREE_HEIGHT * (SPX_D - 1)) > 64
+    #error Subtree addressing is currently limited to at most 2^64 trees
+#endif
+    ull_to_bytes(&((unsigned char *)addr)[SPX_OFFSET_TREE], 8, tree );
+}
+
+/*
+ * Specify the reason we'll use this address structure for, that is, what
+ * hash will we compute with it.  This is used so that unrelated types of
+ * hashes don't accidentally get the same address structure.  The type will be
+ * one of the SPX_ADDR_TYPE constants
+ */
+void set_type(uint32_t addr[8], uint32_t type)
+{
+    ((unsigned char *)addr)[SPX_OFFSET_TYPE] = (unsigned char)type;
+}
+
+/*
+ * Copy the layer and tree fields of the address structure.  This is used
+ * when we're doing multiple types of hashes within the same Merkle tree
+ */
+void copy_subtree_addr(uint32_t out[8], const uint32_t in[8])
+{
+    memcpy( out, in, SPX_OFFSET_TREE+8 );
+}
+
+/* These functions are used for OTS addresses. */
+
+/*
+ * Specify which Merkle leaf we're working on; that is, which OTS keypair
+ * we're talking about.
+ */
+void set_keypair_addr(uint32_t addr[8], uint32_t keypair)
+{
+    u32_to_bytes(&((unsigned char *)addr)[SPX_OFFSET_KP_ADDR], keypair);
+}
+
+/*
+ * Copy the layer, tree and keypair fields of the address structure.  This is
+ * used when we're doing multiple things within the same OTS keypair
+ */
+void copy_keypair_addr(uint32_t out[8], const uint32_t in[8])
+{
+    memcpy( out, in, SPX_OFFSET_TREE+8 );
+    memcpy( (unsigned char *)out + SPX_OFFSET_KP_ADDR, (unsigned char *)in + SPX_OFFSET_KP_ADDR, 4); 
+}
+
+/*
+ * Specify which Merkle chain within the OTS we're working with
+ * (the chain address)
+ */
+void set_chain_addr(uint32_t addr[8], uint32_t chain)
+{
+    ((unsigned char *)addr)[SPX_OFFSET_CHAIN_ADDR] = (unsigned char)chain;
+}
+
+/*
+ * Specify where in the Merkle chain we are
+* (the hash address)
+ */
+void set_hash_addr(uint32_t addr[8], uint32_t hash)
+{
+    ((unsigned char *)addr)[SPX_OFFSET_HASH_ADDR] = (unsigned char)hash;
+}
+
+/* These functions are used for all hash tree addresses (including FORS). */
+
+/*
+ * Specify the height of the node in the Merkle/FORS tree we are in
+ * (the tree height)
+ */
+void set_tree_height(uint32_t addr[8], uint32_t tree_height)
+{
+    ((unsigned char *)addr)[SPX_OFFSET_TREE_HGT] = (unsigned char)tree_height;
+}
+
+/*
+ * Specify the distance from the left edge of the node in the Merkle/FORS tree
+ * (the tree index)
+ */
+void set_tree_index(uint32_t addr[8], uint32_t tree_index)
+{
+    u32_to_bytes(&((unsigned char *)addr)[SPX_OFFSET_TREE_INDEX], tree_index );
+}