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/*
* (C) 2023 Jack Lloyd
* 2023 Fabian Albert, René Meusel - Rohde & Schwarz Cybersecurity
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "tests.h"
#if defined(BOTAN_HAS_SPHINCS_PLUS_COMMON) && defined(BOTAN_HAS_SHA2_32)
#include <botan/hex.h>
#include <botan/internal/sp_address.h>
namespace Botan_Tests {
namespace {
std::vector<Test::Result> test_sphincsplus_address() {
auto sha256 = [](const Botan::Sphincs_Address& adrs) {
auto h = Botan::HashFunction::create_or_throw("SHA-256");
h->update(adrs.to_bytes());
return h->final_stdvec();
};
return {
CHECK("default address",
[&](Test::Result& result) {
Botan::Sphincs_Address a({0, 0, 0, 0, 0, 0, 0, 0});
result.test_is_eq("SHA-256(32*0x00)",
sha256(a),
Botan::hex_decode("66687aadf862bd776c8fc18b8e9f8e20089714856ee233b3902a591d0d5f2925"));
}),
CHECK("set up an address",
[&](Test::Result& result) {
Botan::Sphincs_Address a(Botan::Sphincs_Address::ForsTree);
a.set_layer_address(Botan::HypertreeLayerIndex(1337))
.set_tree_address(Botan::XmssTreeIndexInLayer(4294967338) /* longer than 32bits */)
.set_keypair_address(Botan::TreeNodeIndex(131072))
.set_chain_address(Botan::WotsChainIndex(67108864))
.set_hash_address(Botan::WotsHashIndex(42));
result.test_is_eq("SHA-256(a1)",
sha256(a),
Botan::hex_decode("aecc0696fee5c4aa601779343d01090aae0d0a3b6cf118d3c7245d48dc0f3af9"));
}),
CHECK("set up another address",
[&](Test::Result& result) {
Botan::Sphincs_Address a(Botan::Sphincs_Address::ForsTree);
a.set_layer_address(Botan::HypertreeLayerIndex(1337))
.set_tree_address(Botan::XmssTreeIndexInLayer(4294967338) /* longer than 32bits */)
.set_keypair_address(Botan::TreeNodeIndex(131072))
.set_tree_height(Botan::TreeLayerIndex(67108864))
.set_tree_index(Botan::TreeNodeIndex(1073741824));
result.test_is_eq("SHA-256(a2)",
sha256(a),
Botan::hex_decode("607fdc9d063168fbea64e4da2a255693314712d859062abb80cf7c78116ded2a"));
}),
CHECK("copy subtree",
[&](Test::Result& result) {
Botan::Sphincs_Address a(Botan::Sphincs_Address::ForsTree);
a.set_layer_address(Botan::HypertreeLayerIndex(1337))
.set_tree_address(Botan::XmssTreeIndexInLayer(4294967338) /* longer than 32bits */)
.set_keypair_address(Botan::TreeNodeIndex(131072))
.set_tree_height(Botan::TreeLayerIndex(67108864))
.set_tree_index(Botan::TreeNodeIndex(1073741824));
auto subtree1 = Botan::Sphincs_Address::as_subtree_from(a);
Botan::Sphincs_Address subtree2({0, 0, 0, 0, 0, 0, 0, 0});
subtree2.copy_subtree_from(a);
result.test_is_eq("SHA-256(subtree1)",
sha256(subtree1),
Botan::hex_decode("f192c8f8e946aa16d16eafe88bd4eabcc88a305b69bb7c0bb49e65bd122bb973"));
result.test_is_eq("SHA-256(subtree2)",
sha256(subtree2),
Botan::hex_decode("f192c8f8e946aa16d16eafe88bd4eabcc88a305b69bb7c0bb49e65bd122bb973"));
}),
CHECK("copy keypair",
[&](Test::Result& result) {
Botan::Sphincs_Address a(Botan::Sphincs_Address::ForsTree);
a.set_layer_address(Botan::HypertreeLayerIndex(1337))
.set_tree_address(Botan::XmssTreeIndexInLayer(4294967338) /* longer than 32bits */)
.set_keypair_address(Botan::TreeNodeIndex(131072))
.set_chain_address(Botan::WotsChainIndex(67108864))
.set_hash_address(Botan::WotsHashIndex(42));
auto keypair1 = Botan::Sphincs_Address::as_keypair_from(a);
Botan::Sphincs_Address keypair2({0, 0, 0, 0, 0, 0, 0, 0});
keypair2.copy_keypair_from(a);
result.test_is_eq("SHA-256(keypair1)",
sha256(keypair1),
Botan::hex_decode("1cdd4835a6057306678e7d8cb903c140aba1d4805a8a1f75b11f1129bb22d08c"));
result.test_is_eq("SHA-256(keypair2)",
sha256(keypair2),
Botan::hex_decode("1cdd4835a6057306678e7d8cb903c140aba1d4805a8a1f75b11f1129bb22d08c"));
}),
};
}
} // namespace
BOTAN_REGISTER_TEST_FN("pubkey", "sphincsplus_address", test_sphincsplus_address);
} // namespace Botan_Tests
#endif // BOTAN_HAS_SPHINCS_PLUS_COMMON