public void GetPublicKeyFromKeyPair2()
{
var key = ImmutableArray.Create(TestResources.General.snKey2);
ImmutableArray <byte> pubKey;
Assert.True(CryptoBlobParser.TryParseKey(key, out pubKey, out _));
Assert.True(CryptoBlobParser.IsValidPublicKey(pubKey));
AssertEx.Equal(TestResources.General.snPublicKey2, pubKey);
}
public void SnPublicKeyIsReturnedAsIs()
{
var key = ImmutableArray.Create(TestResources.General.snPublicKey);
ImmutableArray <byte> pubKey;
Assert.True(CryptoBlobParser.TryParseKey(key, out pubKey, out _));
Assert.True(CryptoBlobParser.IsValidPublicKey(pubKey));
AssertEx.Equal(key, pubKey);
}
public void GetPrivateKeyFromKeyPair2()
{
var key = ImmutableArray.Create(TestResources.General.snKey2);
RSAParameters?privateKeyOpt;
Assert.True(CryptoBlobParser.TryParseKey(key, out _, out privateKeyOpt));
Assert.True(privateKeyOpt.HasValue);
var privKey = privateKeyOpt.Value;
AssertEx.Equal(privKey.Exponent, new byte[] { 0x01, 0x00, 0x01 });
var expectedModulus = key.Skip(HEADER_LEN).Take(MOD_LEN).ToArray();
Array.Reverse(expectedModulus);
AssertEx.Equal(expectedModulus, privKey.Modulus);
var expectedP = key.Skip(HEADER_LEN + MOD_LEN).Take(HALF_LEN).ToArray();
Array.Reverse(expectedP);
AssertEx.Equal(expectedP, privKey.P);
var expectedQ = key.Skip(HEADER_LEN + MOD_LEN + HALF_LEN).Take(HALF_LEN).ToArray();
Array.Reverse(expectedQ);
AssertEx.Equal(expectedQ, privKey.Q);
var expectedDP = key.Skip(HEADER_LEN + MOD_LEN + HALF_LEN * 2).Take(HALF_LEN).ToArray();
Array.Reverse(expectedDP);
AssertEx.Equal(expectedDP, privKey.DP);
var expectedDQ = key.Skip(HEADER_LEN + MOD_LEN + HALF_LEN * 3).Take(HALF_LEN).ToArray();
Array.Reverse(expectedDQ);
AssertEx.Equal(expectedDQ, privKey.DQ);
var expectedInverseQ = key.Skip(HEADER_LEN + MOD_LEN + HALF_LEN * 4)
.Take(HALF_LEN)
.ToArray();
Array.Reverse(expectedInverseQ);
AssertEx.Equal(expectedInverseQ, privKey.InverseQ);
var expectedD = key.Skip(HEADER_LEN + MOD_LEN + HALF_LEN * 5).Take(MOD_LEN).ToArray();
Array.Reverse(expectedD);
AssertEx.Equal(expectedD, privKey.D);
Assert.True(key.Skip(HEADER_LEN + MOD_LEN * 2 + HALF_LEN * 5).ToArray().Length == 0);
}
public void TryGetPublicKeyFailsForInvalidKeyBlobs()
{
var invalidKeyBlobs = new[]
{
string.Empty,
new string('0', 160 * 2), // 160 * 2 - the length of a public key, 2 - 2 chars per byte
new string('0', 596 * 2), // 596 * 2 - the length of a key pair, 2 - 2 chars per byte
"0702000000240000DEADBEEF" + new string('0', 584 * 2), // private key blob without magic private key
"0602000000240000DEADBEEF" + new string('0', 136 * 2), // public key blob without magic public key
};
Assert.False(CryptoBlobParser.TryParseKey(HexToBin(invalidKeyBlobs[0]), out _, out _));
Assert.False(CryptoBlobParser.TryParseKey(HexToBin(invalidKeyBlobs[1]), out _, out _));
Assert.False(CryptoBlobParser.TryParseKey(HexToBin(invalidKeyBlobs[2]), out _, out _));
Assert.False(CryptoBlobParser.TryParseKey(HexToBin(invalidKeyBlobs[3]), out _, out _));
}
public void GetSnPublicKeyFromPublicKeyBlob()
{
// An Strongname public key blob includes an additional header on top
// of the wincrypt.h public key blob
var snBlob = TestResources.General.snPublicKey;
var buf = new byte[snBlob.Length - CryptoBlobParser.s_publicKeyHeaderSize];
Array.Copy(snBlob, CryptoBlobParser.s_publicKeyHeaderSize, buf, 0, buf.Length);
var publicKeyBlob = ImmutableArray.Create(buf);
ImmutableArray <byte> pubKey;
Assert.True(CryptoBlobParser.TryParseKey(publicKeyBlob, out pubKey, out _));
Assert.True(CryptoBlobParser.IsValidPublicKey(pubKey));
AssertEx.Equal(snBlob, pubKey);
}