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This commit is contained in:
SChernykh 2023-04-03 15:01:40 +02:00
parent d31b3b7c76
commit 5e0079f012
5 changed files with 45 additions and 10 deletions
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18
src/base/tools/cryptonote/Signatures.cpp
View file

@ -147,7 +147,7 @@ bool check_signature(const uint8_t* prefix_hash, const uint8_t* pub, const uint8
}
bool generate_key_derivation(const uint8_t* key1, const uint8_t* key2, uint8_t* derivation)
bool generate_key_derivation(const uint8_t* key1, const uint8_t* key2, uint8_t* derivation, uint8_t* view_tag)
{
ge_p3 point;
ge_p2 point2;
@ -162,6 +162,22 @@ bool generate_key_derivation(const uint8_t* key1, const uint8_t* key2, uint8_t*
ge_p1p1_to_p2(&point2, &point3);
ge_tobytes(derivation, &point2);
if (view_tag) {
constexpr uint8_t salt[] = "view_tag";
constexpr size_t SALT_SIZE = sizeof(salt) - 1;
uint8_t buf[SALT_SIZE + 32 + 1];
memcpy(buf, salt, SALT_SIZE);
memcpy(buf + SALT_SIZE, derivation, 32);
// Assuming output_index == 0
buf[SALT_SIZE + 32] = 0;
uint8_t view_tag_full[32];
xmrig::keccak(buf, sizeof(buf), view_tag_full, sizeof(view_tag_full));
*view_tag = view_tag_full[0];
}
return true;
}

2
src/base/tools/cryptonote/Signatures.h
View file

@ -31,7 +31,7 @@ namespace xmrig {
void generate_signature(const uint8_t* prefix_hash, const uint8_t* pub, const uint8_t* sec, uint8_t* sig);
bool check_signature(const uint8_t* prefix_hash, const uint8_t* pub, const uint8_t* sig);
bool generate_key_derivation(const uint8_t* key1, const uint8_t* key2, uint8_t* derivation);
bool generate_key_derivation(const uint8_t* key1, const uint8_t* key2, uint8_t* derivation, uint8_t* view_tag);
void derive_secret_key(const uint8_t* derivation, size_t output_index, const uint8_t* base, uint8_t* derived_key);
bool derive_public_key(const uint8_t* derivation, size_t output_index, const uint8_t* base, uint8_t* derived_key);