public void PpkDeserializeNonAsciiPassphraseTest()
{
ISshKey key;
PpkFormatter formatter = new PpkFormatter();
formatter.WarnOldFileFormatCallbackMethod = delegate()
{
Assert.Fail("Warn old file format was not expected");
};
string passphrase = "Ŧéşť";
formatter.GetPassphraseCallbackMethod = delegate(string comment)
{
SecureString result = new SecureString();
foreach (char c in passphrase)
{
result.AppendChar(c);
}
return(result);
};
string expectedComment = "rsa-key-20120818";
/* test for successful method call */
var path = Path.Combine(DllDirectory,
"../../Resources/ssh2-rsa-non-ascii-passphrase.ppk");
key = formatter.DeserializeFile(path);
Assert.AreEqual(expectedComment, key.Comment);
}
public void EcdsaSigTest()
{
ISshKey target;
PpkFormatter formatter = new PpkFormatter()
{
GetPassphraseCallbackMethod = _ =>
{
SecureString result = new SecureString();
foreach (char c in "PageantSharp")
{
result.AppendChar(c);
}
return(result);
}
};
string[] keys =
{
"../../Resources/ecdsa-sha2-nistp256.ppk",
"../../Resources/ecdsa-sha2-nistp256-no-passphrase.ppk",
"../../Resources/ecdsa-sha2-nistp384.ppk",
"../../Resources/ecdsa-sha2-nistp384-no-passphrase.ppk",
"../../Resources/ecdsa-sha2-nistp521.ppk",
"../../Resources/ecdsa-sha2-nistp521-no-passphrase.ppk"
};
string[] d =
{
"569f23328522cf93694b0cca6bafd7236cf8bea6a9aab098491e915b5d02f2e5",
"9d4c19af9d289a8aa67d3b636504cd473e054be3373d334b5469e93e0a06be21",
"200fcb19f9d72b2c0e163ff3869b05beda93536d862bedb5748ba2b6174d4af2aea731dfb8884ae956f4dcf7b138489d",
"31a122fbf5c674ddbddbc03f96d4f26c534fd5df7eae896a8890c7bdd3de8c5324f06b1efe836870318f23c5a66a2495",
"14904fd2a509104e86cd9247cf081088caffa124c263caf43ec7cdf5d6ee14a90" +
"7de16d30561ed14155fbf651ecc5b66a7d329ffa949aa3dcbdd8efe9ea492a7001",
"ef41441bc21c20ee38a8169855b618e5c76f34b067d8bbd85276de982aec60fc9" +
"0114acad5fc599e83c8d6fc535fb36c5244908577b1138ff4eed7d7b6c9eb2d01"
};
for (int i = 0; i < keys.Length; ++i)
{
var path = Path.Combine(DllDirectory, keys[i]);
target = formatter.DeserializeFile(path);
var priKeyParam = (ECPrivateKeyParameters)target.GetPrivateKeyParameters();
Assert.That(priKeyParam.D.ToString(16), Is.EqualTo(d[i]));
}
}
public void Ed25519SigTest()
{
ISshKey target;
PpkFormatter formatter = new PpkFormatter()
{
GetPassphraseCallbackMethod = _ =>
{
SecureString result = new SecureString();
foreach (char c in "PageantSharp")
{
result.AppendChar(c);
}
return(result);
}
};
string[] keys =
{
"../../Resources/ssh2-ed25519.ppk",
"../../Resources/ssh2-ed25519-no-passphrase.ppk"
};
string[] sig =
{
"01:38:67:b5:b9:cc:a6:a9:9c:cd:38:76:0d:81:66:45:cf:ed:a3:ec:55:ad:" +
"40:36:01:ca:13:77:3c:41:4e:8e:49:3d:d6:e5:d9:9c:b1:1f:24:de:a9:4c:" +
"a5:bd:3c:08:0a:10:f5:25:c0:ef:bd:4b:4f:17:e2:54:fe:13:ac:74",
"01:08:c6:d4:1b:3e:51:9c:39:3f:7c:25:a4:fb:13:0f:3c:74:69:67:df:e3:" +
"bf:e4:06:fc:4a:1b:da:e3:0b:1f:5d:df:37:6a:d1:1d:b3:31:39:60:20:61:" +
"b7:ac:bd:a1:e4:39:fc:b1:b0:a3:4c:9c:8c:02:f2:e1:2d:1c:9e:c8"
};
for (int i = 0; i < keys.Length; ++i)
{
var path = Path.Combine(DllDirectory, keys[i]);
target = (ISshKey)formatter.DeserializeFile(path);
Assert.That(((Ed25519PrivateKeyParameter)target.GetPrivateKeyParameters()).Signature.ToHexString(),
Is.EqualTo(sig[i]), keys[i]);
}
}
public void PpkFileParseDataTest()
{
ISshKey target;
PpkFormatter.WarnOldFileFormatCallback warnOldFileNotExpected = delegate()
{
Assert.Fail("Warn old file format was not expected");
};
bool warnCallbackCalled; // set to false before calling warnOldFileExpceted
PpkFormatter.WarnOldFileFormatCallback warnOldFileExpected = delegate()
{
warnCallbackCalled = true;
};
string passphrase = "PageantSharp";
PpkFormatter.GetPassphraseCallback getPassphrase = delegate(string comment)
{
SecureString result = new SecureString();
foreach (char c in passphrase)
{
result.AppendChar(c);
}
return(result);
};
PpkFormatter.GetPassphraseCallback getBadPassphrase = delegate(string comment)
{
SecureString result = new SecureString();
foreach (char c in "badword")
{
result.AppendChar(c);
}
return(result);
};
int expectedKeySize = 1024; // all test keys
// string expectedSsh2RsaPublicKeyAlgorithm = PpkFile.PublicKeyAlgorithms.ssh_rsa;
// string expectedSsh2RsaWithoutPassPublicKeyString =
// "AAAAB3NzaC1yc2EAAAABJQAAAIEAhWqdEs/lz1r4L8ZAAS76rX7hj3rrI/6FNlBw" +
// "6ERba2VFmn2AHxQwZmHHmqM+UtiY57angjD9fTbTzL74C0+f/NrRY+BYXf1cF+u5" +
// "XmjNKygrsIq3yPMZV4q8YcN/ls9COcynOQMIEmJF6Q0LD7Gt9Uv5yjqc2Ay7VVhG" +
// "qZNnIeE=";
// string expectedSsh2RsaWithPassPublicKeyString =
// "AAAAB3NzaC1yc2EAAAABJQAAAIEAvpwLqhmHYAipvnbQeFEzC7kSTdOCpH5XP9rT" +
// "lwScQ5n6Br1DDGIg7tSOBCbralX+0U7NClrcUkueydXRqXEf1rX26o4EcrZ+v1z/" +
// "pgu7dbOyHKK0LczCx/IHBm8jrpzrJeB0rg+0ym7XgEcGYgdRj7wFo93PEtx1T4kF" +
// "gNLsE3k=";
// string expectedSsh2RsaWithoutPassComment = "PageantSharp test: SSH2-RSA, no passphrase";
string expectedSsh2RsaWithPassComment = "PageantSharp test: SSH2-RSA, with passphrase";
// string expectedSsh2RsaWithoutPassPrivateKeyString =
// "AAAAgCQO+gUVmA6HSf8S/IqywEqQ/rEoI+A285IjlCMZZNDq8DeXimlDug3VPN2v" +
// "lE29/8/sLUXIDSjCtciiUOB2Ypb5Y7AtjDDGg4Yk4v034Mxp0Db6ygDrBuSXbV1U" +
// "JzjiDmJOOXgrVLzqc1BZCxVEnzC3fj4GiqQnN1Do3urPatgNAAAAQQDLKWiXIxVj" +
// "CoNhzkJqgz0vTIBAaCDJNy9geibZRCHhcQqVk3jN6TscxKhhRYsbEAsTfUPiIPGF" +
// "HQaRkd1mwT4dAAAAQQCoHYkHFPqIniQ0oz/ivWAK9mTdl3GRFXP5+mGZQ+9DAl0V" +
// "pYOUy7XiCcqVgukYt0+Rj9QNFIcpuAnPfAD6APeVAAAAQClZDkpDCyJX88Vgw7e/" +
// "/gbuTJuPv/UGyHI/SSgZcPUBbgmfyj19puHF66+8LTc9unnBF0JyaH9k0dUycFue" +
// "LbE=";
// string expectedSsh2RsaWithPassDecryptedPrivateKeyString =
// "AAAAgE1GLj4KWXn1rJlSwzeyN0nxFUIlUKONKkpRy2a8rg2RczMqIhnG6sGwHeYB" +
// "8LxoDVvGABj0ZyhIK53u5kuckF1DiWEcq3IwGIIZqR6JOwMucjbV1pvvzTz3QpUE" +
// "fJ+Hj4tHaI7A124D0b/paUmBxOUgeVYXuMls5GZbcl2ApKNdAAAAQQDkXflDxnVr" +
// "EXrXAjK+kug3PDdGOPLVPTQRDGwNbuHhSXdVTKAsBdfp9LJZqDzW4LnWhjebeGbj" +
// "Kr1ef2VU7cn1AAAAQQDVrHk2uTj27Iwkj31P/WOBXCrmnQ+oAspL3uaJ1rqxg9+F" +
// "rq3Dva/y7n0UBRqJ8Y+mdkKQW6oO0usEsEXrVxz1AAAAQF3U8ibnexxDTxhUZdw5" +
// "4nzukrnamPWqbZf2RyvQAMA0vw6uW1YNcN6qJxAkt7K5rLg9fsV2ft1FFBcPy+C+" +
// "BDw=";
string expectedSsh2RsaWithoutPassPrivateMACString =
"77bfa6dc141ed17e4c850d3a95cd6f4ec89cd86b";
string oldFileFormatSsh2RsaWithoutPassPrivateMACString =
"dc54d9b526e6d5aeb4832811f2b825e735b218f7";
// string expectedSsh2RsaWithPassPrivateMACString =
// "e71a6a7b6271875a8264d9d8995f7c81508d6a6c";
string expectedSsh2DsaWithPassComment = "PageantSharp SSH2-DSA, with passphrase";
// string expectedSsh2DsaPrivateKey = "AAAAFQCMF35lBnFwFWyl40y0wTf4lfdhNQ==";
PpkFormatter formatter = new PpkFormatter();
/* test for successful method call */
formatter.GetPassphraseCallbackMethod = getPassphrase;
formatter.WarnOldFileFormatCallbackMethod = warnOldFileNotExpected;
var path = Path.Combine(DllDirectory, "../../Resources/ssh2-rsa.ppk");
target = formatter.DeserializeFile(path);
Assert.AreEqual(expectedSsh2RsaWithPassComment, target.Comment);
Assert.AreEqual(expectedKeySize, target.Size);
Assert.That(target.Version, Is.EqualTo(SshVersion.SSH2));
/* read file to string for modification by subsequent tests */
path = Path.Combine(DllDirectory, "../../Resources/ssh2-rsa-no-passphrase.ppk");
byte[] fileData = File.ReadAllBytes(path);
string withoutPassFileContents;
byte[] modifiedFileContents;
MemoryStream modifiedFileContentsStream;
withoutPassFileContents = Encoding.UTF8.GetString(fileData);
/* test bad file version */
modifiedFileContents =
Encoding.UTF8.GetBytes(withoutPassFileContents.Replace("2", "3"));
modifiedFileContentsStream = new MemoryStream(modifiedFileContents);
formatter.GetPassphraseCallbackMethod = null;
formatter.WarnOldFileFormatCallbackMethod = warnOldFileNotExpected;
try {
target = (ISshKey)formatter.Deserialize(modifiedFileContentsStream);
Assert.Fail("Exception did not occur");
} catch (Exception ex) {
Assert.IsInstanceOf <PpkFormatterException>(ex);
Assert.AreEqual(PpkFormatterException.PpkErrorType.FileVersion,
((PpkFormatterException)ex).PpkError);
}
/* test bad public key encryption algorithm */
modifiedFileContents =
Encoding.UTF8.GetBytes(withoutPassFileContents.Replace("ssh-rsa", "xyz"));
modifiedFileContentsStream = new MemoryStream(modifiedFileContents);
formatter.GetPassphraseCallbackMethod = null;
formatter.WarnOldFileFormatCallbackMethod = warnOldFileNotExpected;
try {
target = (ISshKey)formatter.Deserialize(modifiedFileContentsStream);
Assert.Fail("Exception did not occur");
} catch (Exception ex) {
Assert.IsInstanceOf <PpkFormatterException>(ex);
Assert.AreEqual(PpkFormatterException.PpkErrorType.PublicKeyEncryption,
((PpkFormatterException)ex).PpkError);
}
/* test bad private key encryption algorithm */
modifiedFileContents = Encoding.UTF8.GetBytes(withoutPassFileContents.Replace("none", "xyz"));
modifiedFileContentsStream = new MemoryStream(modifiedFileContents);
formatter.GetPassphraseCallbackMethod = null;
formatter.WarnOldFileFormatCallbackMethod = warnOldFileNotExpected;
try {
target = (ISshKey)formatter.Deserialize(modifiedFileContentsStream);
Assert.Fail("Exception did not occur");
} catch (Exception ex) {
Assert.IsInstanceOf <PpkFormatterException>(ex);
Assert.AreEqual(PpkFormatterException.PpkErrorType.PrivateKeyEncryption,
((PpkFormatterException)ex).PpkError);
}
/* test bad file integrity */
modifiedFileContents =
Encoding.UTF8.GetBytes(withoutPassFileContents.Replace("no passphrase", "xyz"));
modifiedFileContentsStream = new MemoryStream(modifiedFileContents);
formatter.GetPassphraseCallbackMethod = null;
formatter.WarnOldFileFormatCallbackMethod = warnOldFileNotExpected;
try {
target = (ISshKey)formatter.Deserialize(modifiedFileContentsStream);
Assert.Fail("Exception did not occur");
} catch (Exception ex) {
Assert.IsInstanceOf <PpkFormatterException>(ex);
Assert.AreEqual(PpkFormatterException.PpkErrorType.FileCorrupt,
((PpkFormatterException)ex).PpkError);
}
/* test bad passphrase */
path = Path.Combine(DllDirectory, "../../Resources/ssh2-rsa.ppk");
fileData = File.ReadAllBytes(path);
modifiedFileContentsStream = new MemoryStream(fileData);
formatter.GetPassphraseCallbackMethod = null;
formatter.WarnOldFileFormatCallbackMethod = warnOldFileNotExpected;
try {
target = (ISshKey)formatter.Deserialize(modifiedFileContentsStream);
Assert.Fail("Exception did not occur");
} catch (Exception ex) {
Assert.IsInstanceOf <CallbackNullException>(ex);
}
path = Path.Combine(DllDirectory, "../../Resources/ssh2-rsa.ppk");
fileData = File.ReadAllBytes(path);
modifiedFileContentsStream = new MemoryStream(fileData);
formatter.GetPassphraseCallbackMethod = getBadPassphrase;
formatter.WarnOldFileFormatCallbackMethod = warnOldFileNotExpected;
try {
target = (ISshKey)formatter.Deserialize(modifiedFileContentsStream);
Assert.Fail("Exception did not occur");
} catch (Exception ex) {
Assert.IsInstanceOf <PpkFormatterException>(ex);
Assert.AreEqual(PpkFormatterException.PpkErrorType.BadPassphrase,
((PpkFormatterException)ex).PpkError);
}
/* test old file format */
modifiedFileContents = Encoding.UTF8.GetBytes(withoutPassFileContents
.Replace("PuTTY-User-Key-File-2", "PuTTY-User-Key-File-1")
.Replace("Private-MAC", "Private-Hash")
.Replace(expectedSsh2RsaWithoutPassPrivateMACString,
oldFileFormatSsh2RsaWithoutPassPrivateMACString));
modifiedFileContentsStream = new MemoryStream(modifiedFileContents);
formatter.GetPassphraseCallbackMethod = null;
formatter.WarnOldFileFormatCallbackMethod = warnOldFileExpected;
try {
warnCallbackCalled = false;
target = (ISshKey)formatter.Deserialize(modifiedFileContentsStream);
Assert.IsTrue(warnCallbackCalled);
} catch (Exception ex) {
Assert.Fail(ex.ToString());
}
/* test reading bad file */
path = Path.Combine(DllDirectory, "../../Resources/emptyFile.ppk");
fileData = File.ReadAllBytes(path);
modifiedFileContentsStream = new MemoryStream(fileData);
formatter.GetPassphraseCallbackMethod = null;
formatter.WarnOldFileFormatCallbackMethod = warnOldFileNotExpected;
try {
target = (ISshKey)formatter.Deserialize(modifiedFileContentsStream);
} catch (Exception ex) {
Assert.IsInstanceOf <PpkFormatterException>(ex);
Assert.AreEqual(PpkFormatterException.PpkErrorType.FileFormat,
((PpkFormatterException)ex).PpkError);
}
/* test reading SSH2-DSA files */
path = Path.Combine(DllDirectory, "../../Resources/ssh2-dsa.ppk");
fileData = File.ReadAllBytes(path);
modifiedFileContentsStream = new MemoryStream(fileData);
formatter.GetPassphraseCallbackMethod = getPassphrase;
formatter.WarnOldFileFormatCallbackMethod = warnOldFileNotExpected;
target = (ISshKey)formatter.Deserialize(modifiedFileContentsStream);
Assert.AreEqual(expectedSsh2DsaWithPassComment, target.Comment);
Assert.AreEqual(expectedKeySize, target.Size);
/* test ECDSA and ED25519 keys */
string[] keys =
{
"../../Resources/ecdsa-sha2-nistp256.ppk", "../../Resources/ecdsa-sha2-nistp256-no-passphrase.ppk",
"../../Resources/ecdsa-sha2-nistp384.ppk", "../../Resources/ecdsa-sha2-nistp384-no-passphrase.ppk",
"../../Resources/ecdsa-sha2-nistp521.ppk", "../../Resources/ecdsa-sha2-nistp521-no-passphrase.ppk",
"../../Resources/ssh2-ed25519.ppk", "../../Resources/ssh2-ed25519-no-passphrase.ppk"
};
string[] fps =
{
"7c:7b:9b:45:ca:dd:d5:d3:9f:25:e7:68:ec:13:7d:79", "80:a9:6e:a1:e4:70:b7:85:ac:e5:df:06:19:95:ce:7d",
"13:cc:91:2a:1c:d4:e9:38:cc:df:49:a1:23:fa:38:f2", "e4:c5:a0:c6:b0:b9:fc:9f:0c:7b:6d:98:70:ce:7a:1c",
"21:17:40:2e:2a:16:03:f3:ca:79:a2:73:23:f5:ea:d1", "ae:a0:a6:e0:6e:2a:1c:c0:fa:2e:3d:47:15:b3:2b:cb",
"5a:b8:a8:f7:1f:06:d6:3b:30:60:a6:41:a0:1f:88:e5", "e4:41:53:cb:04:83:13:b3:58:98:ac:a7:c5:c8:0c:00"
};
PublicKeyAlgorithm[] algs =
{
PublicKeyAlgorithm.ECDSA_SHA2_NISTP256, PublicKeyAlgorithm.ECDSA_SHA2_NISTP256,
PublicKeyAlgorithm.ECDSA_SHA2_NISTP384, PublicKeyAlgorithm.ECDSA_SHA2_NISTP384,
PublicKeyAlgorithm.ECDSA_SHA2_NISTP521, PublicKeyAlgorithm.ECDSA_SHA2_NISTP521,
PublicKeyAlgorithm.ED25519, PublicKeyAlgorithm.ED25519
};
string[] comments =
{
"PageantSharp ecdsa-sha2-nistp256, with passphrase", "PageantSharp ecdsa-sha2-nistp256, no passphrase",
"PageantSharp ecdsa-sha2-nistp384, with passphrase", "PageantSharp ecdsa-sha2-nistp384, no passphrase",
"PageantSharp ecdsa-sha2-nistp521, with passphrase", "PageantSharp ecdsa-sha2-nistp521, no passphrase",
"PageantSharp ssh2-ed25519, with passphrase", "PageantSharp ssh2-ed25519, no passphrase"
};
int[] sizes = { 256, 256, 384, 384, 521, 521, 256, 256 };
formatter.GetPassphraseCallbackMethod = getPassphrase;
formatter.WarnOldFileFormatCallbackMethod = warnOldFileNotExpected;
for (int i = 0; i < keys.Length; ++i)
{
path = Path.Combine(DllDirectory, keys[i]);
target = (ISshKey)formatter.DeserializeFile(path);
Assert.That(target.Size, Is.EqualTo(sizes[i]));
Assert.That(target.Algorithm, Is.EqualTo(algs[i]));
Assert.That(target.GetMD5Fingerprint().ToHexString(), Is.EqualTo(fps[i]));
Assert.That(target.Comment, Is.EqualTo(comments[i]));
}
}
