def test_invalid_verify(self, backend): prk = binascii.unhexlify( b"013951627c1dea63ea2d7702dd24e963eef5faac6b4af7e4" b"b831cde499dff1ce45f6179f741c728aa733583b02409208" b"8f0af7fce1d045edbc5790931e8d5ca79c73") oinfo = binascii.unhexlify( b"a1b2c3d4e55e600be5f367e0e8a465f4bf2704db00c9325c" b"9fbd216d12b49160b2ae5157650f43415653696421e68e") ckdf = ConcatKDFHMAC(hashes.SHA512(), 32, None, oinfo, backend) with pytest.raises(InvalidKey): ckdf.verify(prk, b"wrong key")
def test_verify(self, backend): prk = binascii.unhexlify( b"013951627c1dea63ea2d7702dd24e963eef5faac6b4af7e4" b"b831cde499dff1ce45f6179f741c728aa733583b02409208" b"8f0af7fce1d045edbc5790931e8d5ca79c73") okm = binascii.unhexlify(b"64ce901db10d558661f10b6836a122a7" b"605323ce2f39bf27eaaac8b34cf89f2f") oinfo = binascii.unhexlify( b"a1b2c3d4e55e600be5f367e0e8a465f4bf2704db00c9325c" b"9fbd216d12b49160b2ae5157650f43415653696421e68e") ckdf = ConcatKDFHMAC(hashes.SHA512(), 32, None, oinfo, backend) ckdf.verify(prk, okm)
def test_invalid_verify(self, backend): prk = binascii.unhexlify( b"013951627c1dea63ea2d7702dd24e963eef5faac6b4af7e4" b"b831cde499dff1ce45f6179f741c728aa733583b02409208" b"8f0af7fce1d045edbc5790931e8d5ca79c73" ) oinfo = binascii.unhexlify( b"a1b2c3d4e55e600be5f367e0e8a465f4bf2704db00c9325c" b"9fbd216d12b49160b2ae5157650f43415653696421e68e" ) ckdf = ConcatKDFHMAC(hashes.SHA512(), 32, None, oinfo, backend) with pytest.raises(InvalidKey): ckdf.verify(prk, b"wrong key")
def test_unicode_typeerror(self, backend): with pytest.raises(TypeError): ConcatKDFHMAC( hashes.SHA256(), 16, salt=u"foo", otherinfo=None, backend=backend ) with pytest.raises(TypeError): ConcatKDFHMAC( hashes.SHA256(), 16, salt=None, otherinfo=u"foo", backend=backend ) with pytest.raises(TypeError): ckdf = ConcatKDFHMAC( hashes.SHA256(), 16, salt=None, otherinfo=None, backend=backend ) ckdf.derive(u"foo") with pytest.raises(TypeError): ckdf = ConcatKDFHMAC( hashes.SHA256(), 16, salt=None, otherinfo=None, backend=backend ) ckdf.verify(u"foo", b"bar") with pytest.raises(TypeError): ckdf = ConcatKDFHMAC( hashes.SHA256(), 16, salt=None, otherinfo=None, backend=backend ) ckdf.verify(b"foo", u"bar")
def test_unicode_typeerror(self, backend): with pytest.raises(TypeError): ConcatKDFHMAC( hashes.SHA256(), 16, salt=u"foo", otherinfo=None, backend=backend ) with pytest.raises(TypeError): ConcatKDFHMAC( hashes.SHA256(), 16, salt=None, otherinfo=u"foo", backend=backend ) with pytest.raises(TypeError): ckdf = ConcatKDFHMAC( hashes.SHA256(), 16, salt=None, otherinfo=None, backend=backend ) ckdf.derive(u"foo") with pytest.raises(TypeError): ckdf = ConcatKDFHMAC( hashes.SHA256(), 16, salt=None, otherinfo=None, backend=backend ) ckdf.verify(u"foo", b"bar") with pytest.raises(TypeError): ckdf = ConcatKDFHMAC( hashes.SHA256(), 16, salt=None, otherinfo=None, backend=backend ) ckdf.verify(b"foo", u"bar")
def test_unicode_typeerror(self, backend): with pytest.raises(TypeError): ConcatKDFHMAC( hashes.SHA256(), 16, salt="foo", # type: ignore[arg-type] otherinfo=None, backend=backend, ) with pytest.raises(TypeError): ConcatKDFHMAC( hashes.SHA256(), 16, salt=None, otherinfo="foo", # type: ignore[arg-type] backend=backend, ) with pytest.raises(TypeError): ckdf = ConcatKDFHMAC(hashes.SHA256(), 16, salt=None, otherinfo=None, backend=backend) ckdf.derive("foo") # type: ignore[arg-type] with pytest.raises(TypeError): ckdf = ConcatKDFHMAC(hashes.SHA256(), 16, salt=None, otherinfo=None, backend=backend) ckdf.verify("foo", b"bar") # type: ignore[arg-type] with pytest.raises(TypeError): ckdf = ConcatKDFHMAC(hashes.SHA256(), 16, salt=None, otherinfo=None, backend=backend) ckdf.verify(b"foo", "bar") # type: ignore[arg-type]
def cryptoContactKDFHMAC(): backend = default_backend() salt = os.urandom(16) otherinfo = b"concatkdf-example" ckdf = ConcatKDFHMAC( algorithm=hashes.SHA256(), length=32, salt=salt, otherinfo=otherinfo, backend=backend ) key = ckdf.derive(b"input key") ckdf = ConcatKDFHMAC( algorithm=hashes.SHA256(), length=32, salt=salt, otherinfo=otherinfo, backend=backend ) ckdf.verify(b"input key", key) return True
def test_verify(self, backend): prk = binascii.unhexlify( b"013951627c1dea63ea2d7702dd24e963eef5faac6b4af7e4" b"b831cde499dff1ce45f6179f741c728aa733583b02409208" b"8f0af7fce1d045edbc5790931e8d5ca79c73" ) okm = binascii.unhexlify(b"64ce901db10d558661f10b6836a122a7" b"605323ce2f39bf27eaaac8b34cf89f2f") oinfo = binascii.unhexlify( b"a1b2c3d4e55e600be5f367e0e8a465f4bf2704db00c9325c" b"9fbd216d12b49160b2ae5157650f43415653696421e68e" ) ckdf = ConcatKDFHMAC(hashes.SHA512(), 32, None, oinfo, backend) assert ckdf.verify(prk, okm) is None