1.2.0 • Published 11 months ago
monerolib v1.2.0
monerolib
Monero JavaScript library.
Install
npm i monerolib
Common
p
- private/secret key, it is scalarP
- public key, it is pointpV
- private/secret view keyPV
- public view keypS
- private/secret spend keyPS
- public spend keyHS()
- convert hash to scalarhashToScalar
G
- is the base point
Key derivation generateKeyDerivation
means:
derivation = P * p * 8
Subaddress
pSi = pS + HS(pV | i)
pVi = pV * pSi
PSi = PS + HS(pV | i) * G
PVi = pV * PSi
PSi = (pS + HS(pV | i)) * G
PVi = pV * (pS + HS(pV | i)) * G
Outputs
r
- is the transaction private/secret keyR
- is the transaction public key,txPubKey
X
- is the stealth address or one time addresstargetKey
Fro address:
// Address (it is public key)
R = r * G
// Subaddress (it is some public data)
R = r * PSi
Sending:
// Address
X = Hs(r * PV | i)G + PS
// Subaddress
X = Hs(r * PVi | i)G + PSi
Receiving:
// Address
X = Hs(R * pV|i)G + PS
// Subaddress
X = Hs(R * pV|i)G + PSi
It is equal because:
// Address
R * pV = r * G * pV = r * PV
// Subaddress
R * pV = r * PSi * pV = r * PVi
r * PV
and R * pV
is a key derivation
Inputs
Hp()
- convert hash to pointhashToPoint
or more correctlyhashToEc
x
- private/secret key of stealth address O_oJ
- is the key imagekeyImage
x = Hs(r * PV|i) + pS
x = Hs(R * pV|i) + pS
Key image is:
J = x * Hp(X)
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