/// <inheritdoc/>
public byte[] Sign(byte[] data, OpenPgpSecretKey secretKey, string?passphrase = null)
{
#region Sanity checks
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
if (secretKey == null)
{
throw new ArgumentNullException(nameof(secretKey));
}
#endregion
var pgpSecretKey = SecretBundle.GetSecretKey(secretKey.KeyID);
if (pgpSecretKey == null)
{
throw new KeyNotFoundException("Specified OpenPGP key not found on system");
}
var pgpPrivateKey = GetPrivateKey(pgpSecretKey, passphrase);
var signatureGenerator = new PgpSignatureGenerator(pgpSecretKey.PublicKey.Algorithm, HashAlgorithmTag.Sha1);
signatureGenerator.InitSign(PgpSignature.BinaryDocument, pgpPrivateKey);
signatureGenerator.Update(data);
return(signatureGenerator.Generate().GetEncoded());
}
public void TestDeployPublicKey()
{
using var tempDir = new TemporaryDirectory("0install-unit-tests");
const string publicKey = "public";
var secretKey = new OpenPgpSecretKey(keyID: 123, fingerprint: new byte[] { 1, 2, 3 }, userID: "user");
var openPgpMock = CreateMock <IOpenPgp>();
openPgpMock.Setup(x => x.ExportKey(secretKey)).Returns(publicKey);
openPgpMock.Object.DeployPublicKey(secretKey, tempDir.Path);
File.ReadAllText(tempDir + Path.DirectorySeparatorChar + secretKey.FormatKeyID() + ".gpg")
.Should().Be(publicKey, because: "Public key should be written to parallel file in directory");
}
/// <inheritdoc/>
public byte[] Sign(byte[] data, OpenPgpSecretKey secretKey, string passphrase = null)
{
#region Sanity checks
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
if (secretKey == null)
{
throw new ArgumentNullException(nameof(secretKey));
}
#endregion
string output = new CliControl(HomeDir, data).Execute("--batch", "--no-secmem-warning", "--passphrase", passphrase ?? "", "--local-user", secretKey.FormatKeyID(), "--detach-sign", "--armor", "--output", "-", "-");
string signatureBase64 = output
.GetRightPartAtFirstOccurrence(Environment.NewLine + Environment.NewLine)
.GetLeftPartAtLastOccurrence(Environment.NewLine + "=")
.Replace(Environment.NewLine, "\n");
return(Convert.FromBase64String(signatureBase64));
}
