11#include <botan/internal/xmss_verification_operation.h>
12#include <botan/internal/xmss_common_ops.h>
13#include <botan/internal/xmss_tools.h>
20 m_pub_key(public_key),
21 m_hash(public_key.xmss_hash_function()),
27XMSS_Verification_Operation::root_from_signature(
const XMSS_Signature& sig,
47 std::array<secure_vector<uint8_t>, 2> node;
53 for(
size_t k = 0; k < params.tree_height(); k++)
56 if(((next_index / (
static_cast<size_t>(1) << k)) & 0x01) == 0)
84XMSS_Verification_Operation::verify(
const XMSS_Signature& sig,
85 const secure_vector<uint8_t>& msg,
86 const XMSS_PublicKey& public_key)
89 secure_vector<uint8_t> index_bytes;
91 sig.unused_leaf_index(),
93 secure_vector<uint8_t> msg_digest =
94 m_hash.
h_msg(sig.randomness(),
99 secure_vector<uint8_t> node = root_from_signature(sig,
102 public_key.public_seed());
104 return (node == public_key.root());
116 std::copy(msg, msg + msg_len, std::back_inserter(m_msg_buf));
126 bool result = verify(signature, m_msg_buf, m_pub_key);
void set_ots_address(uint32_t value)
uint32_t get_tree_index() const
void set_tree_height(uint32_t value)
void set_tree_index(uint32_t value)
void set_ltree_address(uint32_t value)
static void create_l_tree(secure_vector< uint8_t > &result, wots_keysig_t pk, XMSS_Address &adrs, const secure_vector< uint8_t > &seed, XMSS_Hash &hash, const XMSS_Parameters ¶ms)
static void randomize_tree_hash(secure_vector< uint8_t > &result, const secure_vector< uint8_t > &left, const secure_vector< uint8_t > &right, XMSS_Address &adrs, const secure_vector< uint8_t > &seed, XMSS_Hash &hash, const XMSS_Parameters ¶ms)
secure_vector< uint8_t > h_msg(const secure_vector< uint8_t > &randomness, const secure_vector< uint8_t > &root, const secure_vector< uint8_t > &index_bytes, const secure_vector< uint8_t > &data)
xmss_algorithm_t oid() const
size_t element_size() const
const XMSS_WOTS_Parameters & wots_parameters() const
const XMSS_Parameters & xmss_parameters() const
size_t unused_leaf_index() const
const XMSS_WOTS_PublicKey::TreeSignature & tree() const
XMSS_Verification_Operation(const XMSS_PublicKey &public_key)
void update(const uint8_t msg[], size_t msg_len) override
bool is_valid_signature(const uint8_t sig[], size_t sig_len) override
ots_algorithm_t oid() const
const wots_keysig_t & ots_signature() const
const wots_keysig_t & authentication_path() const
std::vector< T, secure_allocator< T > > secure_vector