boringssl/third_party/wycheproof_testvectors/x25519_test.json

{
  "algorithm" : "X25519",
  "generatorVersion" : "0.4.12",
  "notes" : {
    "LowOrderPublic" : "Curve25519 or its twist contains some points of low order. This test vector contains a public key with such a point. While many libraries reject such public keys, doing so is not a strict requirement according to RFC 7748.",
    "Small public key" : "The public key is insecure and does not belong to a valid private key. Some libraries reject such keys.",
    "Twist" : "Public keys are either points on curve25519 or points on its twist. Implementations may either reject such keys or compute X25519 using the twist. If a point multiplication is performed then it is important that the result is correct, since otherwise attacks with invalid keys are possible."
  },
  "numberOfTests" : 87,
  "header" : [],
  "testGroups" : [
    {
      "curve" : "curve25519",
      "tests" : [
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          "tcId" : 1,
          "comment" : "normal case",
          "curve" : "curve25519",
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          "shared" : "87b7f212b627f7a54ca5e0bcdaddd5389d9de6156cdbcf8ebe14ffbcfb436551",
          "result" : "valid",
          "flags" : []
        },
        {
          "tcId" : 2,
          "comment" : "normal case",
          "curve" : "curve25519",
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          "private" : "1064a67da639a8f6df4fbea2d63358b65bca80a770712e14ea8a72df5a3313ae",
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          "result" : "valid",
          "flags" : [
            "LowOrderPublic"
          ]
        },
        {
          "tcId" : 3,
          "comment" : "public key on twist",
          "curve" : "curve25519",
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          "result" : "acceptable",
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          ]
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        {
          "tcId" : 4,
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        {
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        {
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        {
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        {
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        {
          "tcId" : 82,
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          "result" : "valid",
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        {
          "tcId" : 83,
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          "result" : "valid",
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        {
          "tcId" : 84,
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          "private" : "c81724704000b26d31703cc97e3a378d56fad8219361c88cca8bd7c5719b12b2",
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          "result" : "valid",
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        {
          "tcId" : 85,
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          "private" : "c81724704000b26d31703cc97e3a378d56fad8219361c88cca8bd7c5719b12b2",
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          "result" : "valid",
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        {
          "tcId" : 86,
          "comment" : "private key == -1 (mod order)",
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          "result" : "valid",
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        {
          "tcId" : 87,
          "comment" : "private key == 1 (mod order) on twist",
          "curve" : "curve25519",
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          "result" : "acceptable",
          "flags" : []
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      ]
    }
  ]
}