Beispiel #1
0
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)[:]
Beispiel #3
0
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)[:]