297 lines
9.2 KiB
Go
297 lines
9.2 KiB
Go
// Copyright (c) 2013-2016 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package btcec
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import (
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"bytes"
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"testing"
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"github.com/davecgh/go-spew/spew"
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)
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type pubKeyTest struct {
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name string
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key []byte
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format byte
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isValid bool
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}
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var pubKeyTests = []pubKeyTest{
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// pubkey from bitcoin blockchain tx
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// 0437cd7f8525ceed2324359c2d0ba26006d92d85
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{
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name: "uncompressed ok",
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key: []byte{0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a,
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0x01, 0x6b, 0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e,
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0xb6, 0x8a, 0x38, 0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca,
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0xd7, 0xb1, 0x48, 0xa6, 0x90, 0x9a, 0x5c, 0xb2, 0xe0,
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0xea, 0xdd, 0xfb, 0x84, 0xcc, 0xf9, 0x74, 0x44, 0x64,
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0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b, 0x8b, 0x64, 0xf9,
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0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43, 0xf6, 0x56,
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0xb4, 0x12, 0xa3,
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},
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isValid: true,
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format: pubkeyUncompressed,
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},
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{
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name: "uncompressed x changed",
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key: []byte{0x04, 0x15, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a,
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0x01, 0x6b, 0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e,
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0xb6, 0x8a, 0x38, 0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca,
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0xd7, 0xb1, 0x48, 0xa6, 0x90, 0x9a, 0x5c, 0xb2, 0xe0,
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0xea, 0xdd, 0xfb, 0x84, 0xcc, 0xf9, 0x74, 0x44, 0x64,
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0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b, 0x8b, 0x64, 0xf9,
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0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43, 0xf6, 0x56,
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0xb4, 0x12, 0xa3,
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},
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isValid: false,
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},
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{
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name: "uncompressed y changed",
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key: []byte{0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a,
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0x01, 0x6b, 0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e,
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0xb6, 0x8a, 0x38, 0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca,
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0xd7, 0xb1, 0x48, 0xa6, 0x90, 0x9a, 0x5c, 0xb2, 0xe0,
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0xea, 0xdd, 0xfb, 0x84, 0xcc, 0xf9, 0x74, 0x44, 0x64,
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0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b, 0x8b, 0x64, 0xf9,
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0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43, 0xf6, 0x56,
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0xb4, 0x12, 0xa4,
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},
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isValid: false,
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},
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{
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name: "uncompressed claims compressed",
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key: []byte{0x03, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a,
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0x01, 0x6b, 0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e,
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0xb6, 0x8a, 0x38, 0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca,
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0xd7, 0xb1, 0x48, 0xa6, 0x90, 0x9a, 0x5c, 0xb2, 0xe0,
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0xea, 0xdd, 0xfb, 0x84, 0xcc, 0xf9, 0x74, 0x44, 0x64,
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0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b, 0x8b, 0x64, 0xf9,
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0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43, 0xf6, 0x56,
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0xb4, 0x12, 0xa3,
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},
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isValid: false,
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},
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{
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name: "uncompressed as hybrid ok",
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key: []byte{0x07, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a,
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0x01, 0x6b, 0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e,
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0xb6, 0x8a, 0x38, 0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca,
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0xd7, 0xb1, 0x48, 0xa6, 0x90, 0x9a, 0x5c, 0xb2, 0xe0,
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0xea, 0xdd, 0xfb, 0x84, 0xcc, 0xf9, 0x74, 0x44, 0x64,
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0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b, 0x8b, 0x64, 0xf9,
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0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43, 0xf6, 0x56,
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0xb4, 0x12, 0xa3,
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},
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isValid: true,
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format: pubkeyHybrid,
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},
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{
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name: "uncompressed as hybrid wrong",
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key: []byte{0x06, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a,
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0x01, 0x6b, 0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e,
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0xb6, 0x8a, 0x38, 0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca,
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0xd7, 0xb1, 0x48, 0xa6, 0x90, 0x9a, 0x5c, 0xb2, 0xe0,
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0xea, 0xdd, 0xfb, 0x84, 0xcc, 0xf9, 0x74, 0x44, 0x64,
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0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b, 0x8b, 0x64, 0xf9,
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0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43, 0xf6, 0x56,
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0xb4, 0x12, 0xa3,
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},
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isValid: false,
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},
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// from tx 0b09c51c51ff762f00fb26217269d2a18e77a4fa87d69b3c363ab4df16543f20
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{
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name: "compressed ok (ybit = 0)",
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key: []byte{0x02, 0xce, 0x0b, 0x14, 0xfb, 0x84, 0x2b, 0x1b,
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0xa5, 0x49, 0xfd, 0xd6, 0x75, 0xc9, 0x80, 0x75, 0xf1,
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0x2e, 0x9c, 0x51, 0x0f, 0x8e, 0xf5, 0x2b, 0xd0, 0x21,
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0xa9, 0xa1, 0xf4, 0x80, 0x9d, 0x3b, 0x4d,
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},
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isValid: true,
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format: pubkeyCompressed,
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},
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// from tx fdeb8e72524e8dab0da507ddbaf5f88fe4a933eb10a66bc4745bb0aa11ea393c
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{
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name: "compressed ok (ybit = 1)",
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key: []byte{0x03, 0x26, 0x89, 0xc7, 0xc2, 0xda, 0xb1, 0x33,
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0x09, 0xfb, 0x14, 0x3e, 0x0e, 0x8f, 0xe3, 0x96, 0x34,
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0x25, 0x21, 0x88, 0x7e, 0x97, 0x66, 0x90, 0xb6, 0xb4,
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0x7f, 0x5b, 0x2a, 0x4b, 0x7d, 0x44, 0x8e,
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},
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isValid: true,
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format: pubkeyCompressed,
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},
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{
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name: "compressed claims uncompressed (ybit = 0)",
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key: []byte{0x04, 0xce, 0x0b, 0x14, 0xfb, 0x84, 0x2b, 0x1b,
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0xa5, 0x49, 0xfd, 0xd6, 0x75, 0xc9, 0x80, 0x75, 0xf1,
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0x2e, 0x9c, 0x51, 0x0f, 0x8e, 0xf5, 0x2b, 0xd0, 0x21,
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0xa9, 0xa1, 0xf4, 0x80, 0x9d, 0x3b, 0x4d,
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},
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isValid: false,
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},
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{
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name: "compressed claims uncompressed (ybit = 1)",
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key: []byte{0x05, 0x26, 0x89, 0xc7, 0xc2, 0xda, 0xb1, 0x33,
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0x09, 0xfb, 0x14, 0x3e, 0x0e, 0x8f, 0xe3, 0x96, 0x34,
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0x25, 0x21, 0x88, 0x7e, 0x97, 0x66, 0x90, 0xb6, 0xb4,
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0x7f, 0x5b, 0x2a, 0x4b, 0x7d, 0x44, 0x8e,
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},
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isValid: false,
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},
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{
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name: "wrong length)",
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key: []byte{0x05},
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isValid: false,
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},
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{
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name: "X == P",
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key: []byte{0x04, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFC, 0x2F, 0xb2, 0xe0,
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0xea, 0xdd, 0xfb, 0x84, 0xcc, 0xf9, 0x74, 0x44, 0x64,
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0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b, 0x8b, 0x64, 0xf9,
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0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43, 0xf6, 0x56,
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0xb4, 0x12, 0xa3,
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},
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isValid: false,
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},
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{
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name: "X > P",
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key: []byte{0x04, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFD, 0x2F, 0xb2, 0xe0,
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0xea, 0xdd, 0xfb, 0x84, 0xcc, 0xf9, 0x74, 0x44, 0x64,
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0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b, 0x8b, 0x64, 0xf9,
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0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43, 0xf6, 0x56,
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0xb4, 0x12, 0xa3,
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},
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isValid: false,
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},
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{
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name: "Y == P",
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key: []byte{0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a,
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0x01, 0x6b, 0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e,
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0xb6, 0x8a, 0x38, 0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca,
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0xd7, 0xb1, 0x48, 0xa6, 0x90, 0x9a, 0x5c, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF,
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0xFF, 0xFC, 0x2F,
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},
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isValid: false,
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},
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{
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name: "Y > P",
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key: []byte{0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a,
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0x01, 0x6b, 0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e,
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0xb6, 0x8a, 0x38, 0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca,
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0xd7, 0xb1, 0x48, 0xa6, 0x90, 0x9a, 0x5c, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF,
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0xFF, 0xFD, 0x2F,
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},
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isValid: false,
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},
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{
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name: "hybrid",
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key: []byte{0x06, 0x79, 0xbe, 0x66, 0x7e, 0xf9, 0xdc, 0xbb,
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0xac, 0x55, 0xa0, 0x62, 0x95, 0xce, 0x87, 0x0b, 0x07,
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0x02, 0x9b, 0xfc, 0xdb, 0x2d, 0xce, 0x28, 0xd9, 0x59,
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0xf2, 0x81, 0x5b, 0x16, 0xf8, 0x17, 0x98, 0x48, 0x3a,
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0xda, 0x77, 0x26, 0xa3, 0xc4, 0x65, 0x5d, 0xa4, 0xfb,
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0xfc, 0x0e, 0x11, 0x08, 0xa8, 0xfd, 0x17, 0xb4, 0x48,
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0xa6, 0x85, 0x54, 0x19, 0x9c, 0x47, 0xd0, 0x8f, 0xfb,
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0x10, 0xd4, 0xb8,
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},
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format: pubkeyHybrid,
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isValid: true,
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},
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}
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func TestPubKeys(t *testing.T) {
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for _, test := range pubKeyTests {
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pk, err := ParsePubKey(test.key, S256())
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if err != nil {
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if test.isValid {
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t.Errorf("%s pubkey failed when shouldn't %v",
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test.name, err)
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}
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continue
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}
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if !test.isValid {
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t.Errorf("%s counted as valid when it should fail",
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test.name)
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continue
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}
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var pkStr []byte
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switch test.format {
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case pubkeyUncompressed:
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pkStr = (*PublicKey)(pk).SerializeUncompressed()
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case pubkeyCompressed:
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pkStr = (*PublicKey)(pk).SerializeCompressed()
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case pubkeyHybrid:
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pkStr = (*PublicKey)(pk).SerializeHybrid()
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}
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if !bytes.Equal(test.key, pkStr) {
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t.Errorf("%s pubkey: serialized keys do not match.",
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test.name)
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spew.Dump(test.key)
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spew.Dump(pkStr)
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}
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}
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}
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func TestPublicKeyIsEqual(t *testing.T) {
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pubKey1, err := ParsePubKey(
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[]byte{0x03, 0x26, 0x89, 0xc7, 0xc2, 0xda, 0xb1, 0x33,
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0x09, 0xfb, 0x14, 0x3e, 0x0e, 0x8f, 0xe3, 0x96, 0x34,
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0x25, 0x21, 0x88, 0x7e, 0x97, 0x66, 0x90, 0xb6, 0xb4,
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0x7f, 0x5b, 0x2a, 0x4b, 0x7d, 0x44, 0x8e,
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},
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S256(),
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)
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if err != nil {
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t.Fatalf("failed to parse raw bytes for pubKey1: %v", err)
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}
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pubKey2, err := ParsePubKey(
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[]byte{0x02, 0xce, 0x0b, 0x14, 0xfb, 0x84, 0x2b, 0x1b,
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0xa5, 0x49, 0xfd, 0xd6, 0x75, 0xc9, 0x80, 0x75, 0xf1,
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0x2e, 0x9c, 0x51, 0x0f, 0x8e, 0xf5, 0x2b, 0xd0, 0x21,
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0xa9, 0xa1, 0xf4, 0x80, 0x9d, 0x3b, 0x4d,
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},
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S256(),
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)
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if err != nil {
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t.Fatalf("failed to parse raw bytes for pubKey2: %v", err)
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}
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if !pubKey1.IsEqual(pubKey1) {
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t.Fatalf("value of IsEqual is incorrect, %v is "+
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"equal to %v", pubKey1, pubKey1)
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}
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if pubKey1.IsEqual(pubKey2) {
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t.Fatalf("value of IsEqual is incorrect, %v is not "+
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"equal to %v", pubKey1, pubKey2)
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}
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}
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func TestIsCompressed(t *testing.T) {
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for _, test := range pubKeyTests {
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isCompressed := IsCompressedPubKey(test.key)
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wantCompressed := (test.format == pubkeyCompressed)
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if isCompressed != wantCompressed {
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t.Fatalf("%s (%x) pubkey: unexpected compressed result, "+
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"got %v, want %v", test.name, test.key,
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isCompressed, wantCompressed)
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}
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}
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}
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