29 lines
733 B
Go
29 lines
733 B
Go
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package rfc6979
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import (
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"crypto/sha256"
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"encoding/hex"
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"math/big"
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"testing"
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)
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// https://tools.ietf.org/html/rfc6979#appendix-A.1
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func TestGenerateSecret(t *testing.T) {
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q, _ := new(big.Int).SetString("4000000000000000000020108A2E0CC0D99F8A5EF", 16)
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x, _ := new(big.Int).SetString("09A4D6792295A7F730FC3F2B49CBC0F62E862272F", 16)
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hash, _ := hex.DecodeString("AF2BDBE1AA9B6EC1E2ADE1D694F41FC71A831D0268E9891562113D8A62ADD1BF")
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expected, _ := new(big.Int).SetString("23AF4074C90A02B3FE61D286D5C87F425E6BDD81B", 16)
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var actual *big.Int
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generateSecret(q, x, sha256.New, hash, func(k *big.Int) bool {
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actual = k
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return true
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})
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if actual.Cmp(expected) != 0 {
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t.Errorf("Expected %x, got %x", expected, actual)
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}
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}
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