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@ -29,3 +29,72 @@ test("Point multiplication", function () { |
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ok(P.validate(), "kG validates as a public key"); |
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ok(P.validate(), "kG validates as a public key"); |
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}); |
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}); |
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//
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// Testing ECDSA
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// -----------------------------------------------------------------------------
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module("ecdsa"); |
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test("Classes", function () { |
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expect(2); |
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ok(Bitcoin.ECDSA, "Bitcoin.ECDSA"); |
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ok(Bitcoin.ECKey, "Bitcoin.ECKey"); |
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}); |
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test("Keys & Key Management", function () { |
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expect(5); |
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var s1 = new Bitcoin.ECKey(); |
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var p1 = s1.getPub(); |
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equals(p1.length, 65, "Public key is correct length"); |
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var p1_q = ECPointFp.decodeFrom(ecparams.getCurve(), p1); |
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ok(p1_q, "Decode point from generated bytestring"); |
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ok(p1_q.validate(), "Is a valid public point"); |
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var p2 = Crypto.util.hexToBytes( |
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"0486f356006a38b847bedec1bf47013776925d939d5a35a97a4d1263e550c7f1a" + |
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"b5aba44ab74d22892097a0e851addf07ba97e33416df5affaceeb35d5607cd23c" |
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); |
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var p2_q = ECPointFp.decodeFrom(ecparams.getCurve(), p2); |
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ok(p2_q, "Decode point from constant"); |
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ok(p2_q.validate(), "Is a valid public point"); |
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}); |
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test("Signing and Verifying", function () { |
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expect(7); |
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var s1 = new Bitcoin.ECKey(); |
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var sig_a = s1.sign(BigInteger.ZERO); |
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ok(sig_a, "Sign null"); |
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equals(sig_a.length, 70, "Signature is correct length"); |
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ok(s1.verify(BigInteger.ZERO, sig_a)); |
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var message = new BigInteger(1024, rng).toByteArrayUnsigned(); |
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var hash = Crypto.SHA256(message, {asBytes: true}); |
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var sig_b = s1.sign(hash); |
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ok(sig_b, "Sign random string"); |
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equals(sig_b.length, 70, "Signature is correct length"); |
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ok(s1.verify(hash, sig_b)); |
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var message2 = Crypto.util.hexToBytes( |
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"12dce2c169986b3346827ffb2305cf393984627f5f9722a1b1368e933c8d" + |
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"d296653fbe5d7ac031c4962ad0eb1c4298c3b91d244e1116b4a76a130c13" + |
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"1e7aec7fa70184a71a2e66797052831511b93c6e8d72ae58a1980eaacb66" + |
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"8a33f50d7cefb96a5dab897b5efcb99cbafb0d777cb83fc9b2115b69c0fa" + |
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"3d82507b932b84e4" |
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); |
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var hash2 = Crypto.SHA256(message2, {asBytes: true}); |
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var sig_c = Crypto.util.hexToBytes( |
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"3044022038d9b8dd5c9fbf330565c1f51d72a59ba869aeb2c2001be959d3" + |
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"79e861ec71960220a73945f32cf90d03127d2c3410d16cee120fa1a4b4c3" + |
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"f273ab082801a95506c4" |
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); |
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var s2 = Crypto.util.hexToBytes( |
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"045a1594316e433fb91f35ef4874610d22177c3f1a1060f6c1e70a609d51" + |
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"b20be5795cd2a5eae0d6b872ba42db95e9afaeea3fbb89e98099575b6828" + |
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"609a978528" |
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); |
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ok(Bitcoin.ECDSA.verify(hash2, sig_c, s2), "Verify constant signature"); |
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}); |
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