Python crypto_box_keypair Examples

Example #1

File: test_raw.py Project: alisaifee/pynacl

def test_box():
    A_pubkey, A_secretkey = c.crypto_box_keypair()
    assert len(A_secretkey) == c.crypto_box_SECRETKEYBYTES
    assert len(A_pubkey) == c.crypto_box_PUBLICKEYBYTES
    B_pubkey, B_secretkey = c.crypto_box_keypair()

    k1 = c.crypto_box_beforenm(B_pubkey, A_secretkey)
    assert len(k1) == c.crypto_box_BEFORENMBYTES
    k2 = c.crypto_box_beforenm(A_pubkey, B_secretkey)
    assert tohex(k1) == tohex(k2)

    message = b"message"
    nonce = b"\x01" * c.crypto_box_NONCEBYTES
    ct1 = c.crypto_box_afternm(message, nonce, k1)
    assert len(ct1) == len(message) + c.crypto_box_BOXZEROBYTES

    ct2 = c.crypto_box(message, nonce, B_pubkey, A_secretkey)
    assert tohex(ct2) == tohex(ct1)

    m1 = c.crypto_box_open(ct1, nonce, A_pubkey, B_secretkey)
    assert m1 == message

    m2 = c.crypto_box_open_afternm(ct1, nonce, k1)
    assert m2 == message

    with pytest.raises(CryptoError):
        c.crypto_box_open(
            message + b"!", nonce, A_pubkey, A_secretkey)

Example #2

def test_box():
    A_pubkey, A_secretkey = c.crypto_box_keypair()
    assert len(A_secretkey) == c.crypto_box_SECRETKEYBYTES
    assert len(A_pubkey) == c.crypto_box_PUBLICKEYBYTES
    B_pubkey, B_secretkey = c.crypto_box_keypair()

    k1 = c.crypto_box_beforenm(B_pubkey, A_secretkey)
    assert len(k1) == c.crypto_box_BEFORENMBYTES
    k2 = c.crypto_box_beforenm(A_pubkey, B_secretkey)
    assert tohex(k1) == tohex(k2)

    message = b"message"
    nonce = b"\x01" * c.crypto_box_NONCEBYTES
    ct1 = c.crypto_box_afternm(message, nonce, k1)
    assert len(ct1) == len(message) + c.crypto_box_BOXZEROBYTES

    ct2 = c.crypto_box(message, nonce, B_pubkey, A_secretkey)
    assert tohex(ct2) == tohex(ct1)

    m1 = c.crypto_box_open(ct1, nonce, A_pubkey, B_secretkey)
    assert m1 == message

    m2 = c.crypto_box_open_afternm(ct1, nonce, k1)
    assert m2 == message

    with pytest.raises(CryptoError):
        c.crypto_box_open(message + b"!", nonce, A_pubkey, A_secretkey)

Example #3

File: test_raw.py Project: alisaifee/pynacl

def test_box_wrong_lengths():
    A_pubkey, A_secretkey = c.crypto_box_keypair()
    with pytest.raises(ValueError):
        c.crypto_box(b"abc", "\x00", A_pubkey, A_secretkey)
    with pytest.raises(ValueError):
        c.crypto_box(
            b"abc", "\x00" * c.crypto_box_NONCEBYTES, b"", A_secretkey)
    with pytest.raises(ValueError):
        c.crypto_box(
            b"abc", "\x00" * c.crypto_box_NONCEBYTES, A_pubkey, b"")

    with pytest.raises(ValueError):
        c.crypto_box_open(b"", b"", b"", b"")
    with pytest.raises(ValueError):
        c.crypto_box_open(b"", "\x00" * c.crypto_box_NONCEBYTES, b"", b"")
    with pytest.raises(ValueError):
        c.crypto_box_open(b"", "\x00" * c.crypto_box_NONCEBYTES, A_pubkey, b"")

    with pytest.raises(ValueError):
        c.crypto_box_beforenm(b"", b"")
    with pytest.raises(ValueError):
        c.crypto_box_beforenm(A_pubkey, b"")

    with pytest.raises(ValueError):
        c.crypto_box_afternm(b"", b"", b"")
    with pytest.raises(ValueError):
        c.crypto_box_afternm(b"", b"\x00" * c.crypto_box_NONCEBYTES, b"")

    with pytest.raises(ValueError):
        c.crypto_box_open_afternm(b"", b"", b"")
    with pytest.raises(ValueError):
        c.crypto_box_open_afternm(b"", b"\x00" * c.crypto_box_NONCEBYTES, b"")

Example #4

def test_box_wrong_lengths():
    A_pubkey, A_secretkey = c.crypto_box_keypair()
    with pytest.raises(ValueError):
        c.crypto_box(b"abc", "\x00", A_pubkey, A_secretkey)
    with pytest.raises(ValueError):
        c.crypto_box(b"abc", "\x00" * c.crypto_box_NONCEBYTES, b"",
                     A_secretkey)
    with pytest.raises(ValueError):
        c.crypto_box(b"abc", "\x00" * c.crypto_box_NONCEBYTES, A_pubkey, b"")

    with pytest.raises(ValueError):
        c.crypto_box_open(b"", b"", b"", b"")
    with pytest.raises(ValueError):
        c.crypto_box_open(b"", "\x00" * c.crypto_box_NONCEBYTES, b"", b"")
    with pytest.raises(ValueError):
        c.crypto_box_open(b"", "\x00" * c.crypto_box_NONCEBYTES, A_pubkey, b"")

    with pytest.raises(ValueError):
        c.crypto_box_beforenm(b"", b"")
    with pytest.raises(ValueError):
        c.crypto_box_beforenm(A_pubkey, b"")

    with pytest.raises(ValueError):
        c.crypto_box_afternm(b"", b"", b"")
    with pytest.raises(ValueError):
        c.crypto_box_afternm(b"", b"\x00" * c.crypto_box_NONCEBYTES, b"")

    with pytest.raises(ValueError):
        c.crypto_box_open_afternm(b"", b"", b"")
    with pytest.raises(ValueError):
        c.crypto_box_open_afternm(b"", b"\x00" * c.crypto_box_NONCEBYTES, b"")

Example #5

File: test_raw.py Project: alisaifee/pynacl

def secret_scalar():
    pubkey, secretkey = c.crypto_box_keypair()
    assert len(secretkey) == c.crypto_box_SECRETKEYBYTES
    assert c.crypto_box_SECRETKEYBYTES == c.crypto_scalarmult_BYTES
    return secretkey, pubkey

Example #6

def secret_scalar():
    pubkey, secretkey = c.crypto_box_keypair()
    assert len(secretkey) == c.crypto_box_SECRETKEYBYTES
    assert c.crypto_box_SECRETKEYBYTES == c.crypto_scalarmult_BYTES
    return secretkey, pubkey