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Hash domain separation

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This commit is contained in:
Sarang Noether 2020-04-01 08:31:00 -04:00
parent 6c7d928f19
commit 80d5320fff
9 changed files with 34 additions and 34 deletions
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4
src/ringct/bulletproofs.cc
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@ -100,8 +100,8 @@ static inline bool is_reduced(const rct::key &scalar)
static rct::key get_exponent(const rct::key &base, size_t idx)
{
static const std::string salt("bulletproof");
std::string hashed = std::string((const char*)base.bytes, sizeof(base)) + salt + tools::get_varint_data(idx);
static const std::string domain_separator(config::HASH_KEY_BULLETPROOF_EXPONENT);
std::string hashed = std::string((const char*)base.bytes, sizeof(base)) + domain_separator + tools::get_varint_data(idx);
rct::key e;
ge_p3 e_p3;
rct::hash_to_p3(e_p3, rct::hash2rct(crypto::cn_fast_hash(hashed.data(), hashed.size())));