def crypto_scalarmult(n, p):
"""
Computes and returns the scalar product of the given group element and an
integer ``n``.
:param p: bytes
:param n: bytes
:rtype: bytes
"""
q = ffi.new("unsigned char[]", crypto_scalarmult_BYTES)
rc = lib.crypto_scalarmult(q, n, p)
ensure(rc == 0, "Unexpected library error", raising=exc.RuntimeError)
return ffi.buffer(q, crypto_scalarmult_SCALARBYTES)[:]
def crypto_scalarmult(n, p):
"""
Computes and returns the scalar product of the given group element and an
integer ``n``.
:param p: bytes
:param n: bytes
:rtype: bytes
"""
q = ffi.new("unsigned char[]", crypto_scalarmult_BYTES)
rc = lib.crypto_scalarmult(q, n, p)
assert rc == 0
return ffi.buffer(q, crypto_scalarmult_SCALARBYTES)[:]
def crypto_scalarmult(n, p):
"""
Computes and returns the scalar product of the given group element and an
integer ``n``.
:param p: bytes
:param n: bytes
:rtype: bytes
"""
q = ffi.new("unsigned char[]", crypto_scalarmult_BYTES)
rc = lib.crypto_scalarmult(q, n, p)
ensure(rc == 0,
'Unexpected library error',
raising=exc.RuntimeError)
return ffi.buffer(q, crypto_scalarmult_SCALARBYTES)[:]