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32 lines
1.3 KiB
Lua
32 lines
1.3 KiB
Lua
-- Copyright 2022 Justine Alexandra Roberts Tunney
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--
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-- Permission to use, copy, modify, and/or distribute this software for
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-- any purpose with or without fee is hereby granted, provided that the
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-- above copyright notice and this permission notice appear in all copies.
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--
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-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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-- WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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-- WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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-- AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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-- DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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-- PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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-- TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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-- PERFORMANCE OF THIS SOFTWARE.
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local secret1 = GetRandomBytes(32)
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local public1 = Curve25519(secret1, "\9")
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local secret2 = GetRandomBytes(32)
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local public2 = Curve25519(secret2, "\9")
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local secret3 = GetRandomBytes(32)
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local public3 = Curve25519(secret3, "\9")
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local shared_key1 = Curve25519(secret1, public2)
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local shared_key2 = Curve25519(secret2, public1)
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local shared_key3 = Curve25519(secret2, public3)
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local shared_key4 = Curve25519(secret3, public2)
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assert(shared_key1 == shared_key2)
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assert(shared_key1 ~= shared_key3)
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assert(shared_key2 ~= shared_key3)
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assert(shared_key4 == shared_key3)
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