public void WhenTypeIsNull_ThrowsNotSupportedException()
{
_sut.Type = null;
Action act = () => _sut.ToSignatureAlgorithm(_encryptionKey, _recordVersion);
act.Should().Throw <NotSupportedException>();
}
public void GivenHMACDataRecord_ReturnsHMACDataRecord()
{
var sut = new SignatureAlgorithmDataRecordV2 {
Type = "HMAC",
Parameter = _encryptedKey,
HashAlgorithm = HashAlgorithmName.MD5.Name,
IsParameterEncrypted = true
};
using (var actual = sut.ToSignatureAlgorithm(_encryptionKey, _recordVersion)) {
var expected = new HMACSignatureAlgorithm(_unencryptedKey, HashAlgorithmName.MD5);
actual.Should().BeAssignableTo <HMACSignatureAlgorithm>();
actual.As <HMACSignatureAlgorithm>().Should().BeEquivalentTo(expected);
}
}
public void GivenLegacyRecordVersion_DoesNotDecryptParameter(int?legacyVersion)
{
var sut = new SignatureAlgorithmDataRecordV2 {
Type = "HMAC",
Parameter = _unencryptedKey,
HashAlgorithm = HashAlgorithmName.MD5.Name
};
var actual = sut.ToSignatureAlgorithm(_encryptionKey, legacyVersion);
actual.Should().BeAssignableTo <HMACSignatureAlgorithm>();
var actualKeyBytes = actual.As <HMACSignatureAlgorithm>().Key;
var actualKey = Encoding.UTF8.GetString(actualKeyBytes);
actualKey.Should().Be(_unencryptedKey);
}
public void WhenParameterIsNotEncrypted_DoesNotDecryptParameter()
{
var sut = new SignatureAlgorithmDataRecordV2 {
Type = "HMAC",
Parameter = _unencryptedKey,
HashAlgorithm = HashAlgorithmName.MD5.Name,
IsParameterEncrypted = false
};
var actual = sut.ToSignatureAlgorithm(_encryptionKey, _recordVersion);
actual.Should().BeAssignableTo <HMACSignatureAlgorithm>();
var actualKeyBytes = actual.As <HMACSignatureAlgorithm>().Key;
var actualKey = Encoding.UTF8.GetString(actualKeyBytes);
actualKey.Should().Be(_unencryptedKey);
}
public void GivenECDsaDataRecord_ReturnsECDsaAlgorithm()
{
using (var ecdsa = ECDsa.Create()) {
var publicParameters = ecdsa.ExportParameters(false);
var sut = new SignatureAlgorithmDataRecordV2 {
Type = "ECDsa",
Parameter = publicParameters.ToXml(),
HashAlgorithm = HashAlgorithmName.MD5.Name,
IsParameterEncrypted = false
};
using (var actual = sut.ToSignatureAlgorithm(_encryptionKey, _recordVersion)) {
var expected = ECDsaSignatureAlgorithm.CreateForVerification(HashAlgorithmName.MD5, publicParameters);
actual.Should().BeAssignableTo <ECDsaSignatureAlgorithm>();
actual.As <ECDsaSignatureAlgorithm>().Should().BeEquivalentTo(expected);
actual.As <ECDsaSignatureAlgorithm>().GetPublicKey().ToXml().Should().Be(publicParameters.ToXml());
}
}
}
public void GivenRSADataRecord_ReturnsRSAAlgorithm()
{
using (var rsa = new RSACryptoServiceProvider()) {
var publicParameters = rsa.ExportParameters(false);
var sut = new SignatureAlgorithmDataRecordV2 {
Type = "RSA",
Parameter = publicParameters.ToXml(),
HashAlgorithm = HashAlgorithmName.MD5.Name,
IsParameterEncrypted = false
};
using (var actual = sut.ToSignatureAlgorithm(_encryptionKey, _recordVersion)) {
var expected = RSASignatureAlgorithm.CreateForVerification(HashAlgorithmName.MD5, publicParameters);
actual.Should().BeAssignableTo <RSASignatureAlgorithm>();
actual.As <RSASignatureAlgorithm>().Should().BeEquivalentTo(expected);
actual.As <RSASignatureAlgorithm>().GetPublicKey().ToXml().Should().Be(publicParameters.ToXml());
}
}
}
