github.com/zntrio/harp/v2@v2.0.9/pkg/sdk/security/crypto/rfc6979/rfc6979_test.go (about) 1 // Licensed to Elasticsearch B.V. under one or more contributor 2 // license agreements. See the NOTICE file distributed with 3 // this work for additional information regarding copyright 4 // ownership. Elasticsearch B.V. licenses this file to you under 5 // the Apache License, Version 2.0 (the "License"); you may 6 // not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, 12 // software distributed under the License is distributed on an 13 // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 14 // KIND, either express or implied. See the License for the 15 // specific language governing permissions and limitations 16 // under the License. 17 18 package rfc6979 19 20 // From https://github.com/codahale/rfc6979 21 22 import ( 23 "crypto/sha256" 24 "encoding/hex" 25 "math/big" 26 "testing" 27 ) 28 29 // https://tools.ietf.org/html/rfc6979#appendix-A.1 30 func TestGenerateSecret(t *testing.T) { 31 q, _ := new(big.Int).SetString("4000000000000000000020108A2E0CC0D99F8A5EF", 16) 32 x, _ := new(big.Int).SetString("09A4D6792295A7F730FC3F2B49CBC0F62E862272F", 16) 33 hash, _ := hex.DecodeString("AF2BDBE1AA9B6EC1E2ADE1D694F41FC71A831D0268E9891562113D8A62ADD1BF") 34 35 expected, _ := new(big.Int).SetString("23AF4074C90A02B3FE61D286D5C87F425E6BDD81B", 16) 36 var actual *big.Int 37 generateSecret(q, x, sha256.New, hash, func(k *big.Int) bool { 38 actual = k 39 return true 40 }) 41 42 if actual.Cmp(expected) != 0 { 43 t.Errorf("Expected %x, got %x", expected, actual) 44 } 45 }