File size: 907 Bytes
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package keyring
import (
"bytes"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"testing"
"github.com/google/uuid"
)
func TestSignVerify(t *testing.T) {
signKey, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader)
if err != nil {
t.Fatal(err)
}
v := map[byte]ecdsa.PublicKey{
0: signKey.PublicKey,
}
db := &DB{
verificationKeys: v,
signingKey: signKey,
}
var buf bytes.Buffer
try := func(t *testing.T) {
sessID := uuid.New()
buf.WriteByte('S') // session IDs will be prefixed with an "S"
buf.Write(sessID[:])
sig, err := db.Sign(buf.Bytes())
if err != nil {
t.Fatal(err)
}
valid, old := db.Verify(buf.Bytes(), sig)
if !valid {
t.Fatal("validation failed")
}
if old {
t.Fatal("old key used")
}
buf.Reset()
}
for i := 0; i < 100; i++ {
// running multiple because not all signatures are the same size (encoded)
t.Run("", try)
}
}
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