def derive_secret_key(derivation: Ge25519, output_index: int,
base: Sc25519) -> Sc25519:
"""
base + H_s(derivation || varint(output_index))
"""
sc_check(base)
return tcry.xmr_derive_private_key(derivation, output_index, base)
def derive_secret_key(derivation: tcry.Point, output_index: int,
base: tcry.Scalar) -> tcry.Scalar:
"""
base + H_s(derivation || varint(output_index))
"""
tcry.sc_check(base)
return tcry.xmr_derive_private_key(None, derivation, output_index, base)
def derive_secret_key(derivation, output_index, base):
"""
base + H_s(derivation || varint(output_index))
"""
sc_check(base)
return tcry.xmr_derive_private_key(derivation, output_index, base)