github.com/ronperry/cryptoedge@v0.0.0-20150815114006-cc363e290743/singhdas/signer_test.go (about)

     1  package singhdas
     2  
     3  import (
     4  	"crypto/elliptic"
     5  	"crypto/rand"
     6  	"github.com/ronperry/cryptoedge/eccutil"
     7  	"testing"
     8  )
     9  
    10  func TestNewSigner(t *testing.T) {
    11  	c := eccutil.SetCurve(elliptic.P256, rand.Reader, eccutil.Sha1Hash)
    12  	privKey, pubKey, err := c.GenerateKey() // Signer long-term key
    13  	if err != nil {
    14  		t.Fatalf("Long term key gen failed: %s", err)
    15  	}
    16  	sig := NewSigner(privKey, pubKey, c)
    17  	_ = sig
    18  }
    19  
    20  func TestNewRequest(t *testing.T) {
    21  	c := eccutil.SetCurve(elliptic.P256, rand.Reader, eccutil.Sha1Hash)
    22  	privKey, pubKey, err := c.GenerateKey() // Signer long-term key
    23  	if err != nil {
    24  		t.Fatalf("Long term key gen failed: %s", err)
    25  	}
    26  	sig := NewSigner(privKey, pubKey, c)
    27  	sp, err := sig.NewRequest()
    28  	if err != nil {
    29  		t.Errorf("Cannot create request parameters: %s", err)
    30  	}
    31  	_ = sp
    32  }
    33  
    34  func TestSign(t *testing.T) {
    35  	msg := []byte("Something to sign")
    36  	c := eccutil.SetCurve(elliptic.P256, rand.Reader, eccutil.Sha1Hash)
    37  	privKey, pubKey, err := c.GenerateKey() // Signer long-term key
    38  	if err != nil {
    39  		t.Fatalf("Long term key gen failed: %s", err)
    40  	}
    41  	sig := NewSigner(privKey, pubKey, c)
    42  	sp, err := sig.NewRequest()
    43  	if err != nil {
    44  		t.Errorf("Cannot create request parameters: %s", err)
    45  	}
    46  	sc := NewSignerClient(pubKey, c)
    47  	blindmsg, blindfac, err := sc.Blind(msg, sp.Q)
    48  	if err != nil {
    49  		t.Errorf("Cannot blind: %s", err)
    50  	}
    51  	blindsig, err := sig.Sign(blindmsg, sp)
    52  	if err != nil {
    53  		t.Errorf("Cannot sign: %s", err)
    54  	}
    55  	_, _ = blindsig, blindfac
    56  }