Function VerifyChecksum

src/bech32.cpp:118–125

Verify a checksum. */

/** Verify a checksum. */
bool VerifyChecksum(const std::string& hrp, const data& values)
{
    // PolyMod computes what value to xor into the final values to make the checksum 0. However,
    // if we required that the checksum was 0, it would be the case that appending a 0 to a valid
    // list of values would result in a new valid list. For that reason, Bech32 requires the
    // resulting checksum to be 1 instead.
    return PolyMod(Cat(ExpandHRP(hrp), values)) == 1;
}

/** Create a checksum. */
data CreateChecksum(const std::string& hrp, const data& values)