public IAsymmetricKey GetAsDer(string sshKey)
{
string[] contentLines;
if (sshKey.StartsWith("---- BEGIN SSH2 PUBLIC KEY ----"))
{
contentLines = sshKey.Split(new[] { "\n", "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
IEnumerable <string> keyContent = contentLines.Where(line => base64.IsBase64(line));
string key = string.Concat(keyContent);
return(sshKeyProvider.GetKeyFromSsh(key));
}
contentLines = sshKey.Split(' ');
return(sshKeyProvider.GetKeyFromSsh(contentLines[1]));
}
public void VerifySignature(ApplicationArguments arguments)
{
ReadKeyFromFileCommand readPublicKeyFromFile = fileCommandProvider.GetReadPublicKeyFromFileCommand(arguments.PublicKeyPath);
commandExecutor.Execute(readPublicKeyFromFile);
byte[] contentToVerify;
if (arguments.HasFileInput)
{
ReadFileCommand <byte[]> readFileToVerify = fileCommandProvider.GetReadFileCommand <byte[]>(arguments.FileInput);
commandExecutor.Execute(readFileToVerify);
contentToVerify = readFileToVerify.Result;
}
else
{
contentToVerify = encoding.GetBytes(arguments.Input);
}
byte[] signatureToVerify;
if (base64.IsBase64(arguments.Signature))
{
signatureToVerify = base64.FromBase64String(arguments.Signature);
}
else
{
ReadFileCommand <byte[]> readSignatureToVerify = fileCommandProvider.GetReadFileCommand <byte[]>(arguments.Signature);
commandExecutor.Execute(readSignatureToVerify);
string base64Signature = encoding.GetString(readSignatureToVerify.Result);
signatureToVerify = base64.FromBase64String(base64Signature);
}
VerifySignatureCommand verifySignature = signatureCommandProvider.GetVerifySignatureCommand(readPublicKeyFromFile.Result, contentToVerify, signatureToVerify);
commandExecutor.Execute(verifySignature);
}
