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AuthenticatorResponse.cs
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using System;
using System.Collections.Generic;
using System.Formats.Cbor;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using Fido2NetLib;
using Fido2NetLib.Cbor;
using Fido2NetLib.Objects;
using NSec.Cryptography;
using Xunit;
namespace Test
{
public class AuthenticatorResponse
{
[Theory]
[InlineData("https://www.passwordless.dev", "https://www.passwordless.dev")]
[InlineData("https://www.passwordless.dev:443", "https://www.passwordless.dev:443")]
[InlineData("https://www.passwordless.dev", "https://www.passwordless.dev:443")]
[InlineData("https://www.passwordless.dev:443", "https://www.passwordless.dev")]
[InlineData("https://www.passwordless.dev:443/foo/bar.html","https://www.passwordless.dev:443/foo/bar.html")]
[InlineData("https://www.passwordless.dev:443/foo/bar.html", "https://www.passwordless.dev:443/bar/foo.html")]
[InlineData("https://www.passwordless.dev:443/foo/bar.html", "https://www.passwordless.dev/bar/foo.html")]
[InlineData("https://www.passwordless.dev:443/foo/bar.html", "https://www.passwordless.dev")]
[InlineData("ftp://www.passwordless.dev", "ftp://www.passwordless.dev")]
[InlineData("ftp://www.passwordless.dev:8080", "ftp://www.passwordless.dev:8080")]
[InlineData("http://127.0.0.1", "http://127.0.0.1")]
[InlineData("http://localhost", "http://localhost")]
[InlineData("https://127.0.0.1:80", "https://127.0.0.1:80")]
[InlineData("http://localhost:80", "http://localhost:80")]
[InlineData("http://127.0.0.1:443", "http://127.0.0.1:443")]
[InlineData("http://localhost:443", "http://localhost:443")]
[InlineData("android:apk-key-hash:Ea3dD4m7ccbwcw+a27/D547hfwYra2gKE4lIBbBjCTU", "android:apk-key-hash:Ea3dD4m7ccbwcw+a27/D547hfwYra2gKE4lIBbBjCTU")]
[InlineData("lorem:ipsum:dolor", "lorem:ipsum:dolor")]
[InlineData("lorem:/ipsum:4321", "lorem:/ipsum:4321")]
[InlineData("lorem://ipsum:1234", "lorem://ipsum:1234")]
[InlineData("lorem://ipsum:9876/sit", "lorem://ipsum:9876/sit")]
[InlineData("foo://bar:321/path/", "foo://bar:321/path/")]
[InlineData("foo://bar:321/path","foo://bar:321/path")]
[InlineData("http://[0:0:0:0:0:0:0:1]", "http://[0:0:0:0:0:0:0:1]")]
[InlineData("http://[0:0:0:0:0:0:0:1]", "http://[0:0:0:0:0:0:0:1]:80")]
[InlineData("https://[0:0:0:0:0:0:0:1]", "https://[0:0:0:0:0:0:0:1]")]
[InlineData("https://[0:0:0:0:0:0:0:1]", "https://[0:0:0:0:0:0:0:1]:443")]
public async Task TestAuthenticatorOrigins(string origin, string expectedOrigin)
{
var challenge = RandomNumberGenerator.GetBytes(128);
var rp = origin;
var acd = new AttestedCredentialData(("00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-40-FE-6A-32-63-BE-37-D1-01-B1-2E-57-CA-96-6C-00-22-93-E4-19-C8-CD-01-06-23-0B-C6-92-E8-CC-77-12-21-F1-DB-11-5D-41-0F-82-6B-DB-98-AC-64-2E-B1-AE-B5-A8-03-D1-DB-C1-47-EF-37-1C-FD-B1-CE-B0-48-CB-2C-A5-01-02-03-26-20-01-21-58-20-A6-D1-09-38-5A-C7-8E-5B-F0-3D-1C-2E-08-74-BE-6D-BB-A4-0B-4F-2A-5F-2F-11-82-45-65-65-53-4F-67-28-22-58-20-43-E1-08-2A-F3-13-5B-40-60-93-79-AC-47-42-58-AA-B3-97-B8-86-1D-E4-41-B4-4E-83-08-5D-1C-6B-E0-D0").Split('-').Select(c => Convert.ToByte(c, 16)).ToArray());
var authData = new AuthenticatorData(
SHA256.HashData(Encoding.UTF8.GetBytes(origin)),
AuthenticatorFlags.UP | AuthenticatorFlags.AT,
0,
acd
).ToByteArray();
byte[] clientDataJson = JsonSerializer.SerializeToUtf8Bytes(new
{
type = "webauthn.create",
challenge = challenge,
origin = rp
});
var rawResponse = new AuthenticatorAttestationRawResponse
{
Type = PublicKeyCredentialType.PublicKey,
Id = new byte[] { 0xf1, 0xd0 },
RawId = new byte[] { 0xf1, 0xd0 },
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = new CborMap {
{ "fmt", "none" },
{ "attStmt", new CborMap() },
{ "authData", authData }
}.Encode(),
ClientDataJson = clientDataJson
},
};
var origChallenge = new CredentialCreateOptions
{
Attestation = AttestationConveyancePreference.Direct,
AuthenticatorSelection = new AuthenticatorSelection
{
AuthenticatorAttachment = AuthenticatorAttachment.CrossPlatform,
RequireResidentKey = true,
UserVerification = UserVerificationRequirement.Discouraged,
},
Challenge = challenge,
ErrorMessage = "",
PubKeyCredParams = new List<PubKeyCredParam>()
{
new PubKeyCredParam(COSE.Algorithm.ES256)
},
Rp = new PublicKeyCredentialRpEntity(rp, rp, ""),
Status = "ok",
User = new Fido2User
{
Name = "testuser",
Id = Encoding.UTF8.GetBytes("testuser"),
DisplayName = "Test User",
},
Timeout = 60000,
};
IsCredentialIdUniqueToUserAsyncDelegate callback = (args, cancellationToken) =>
{
return Task.FromResult(true);
};
IFido2 lib = new Fido2(new Fido2Configuration()
{
ServerDomain = rp,
ServerName = rp,
Origins = new HashSet<string> { expectedOrigin },
});
var result = await lib.MakeNewCredentialAsync(rawResponse, origChallenge, callback);
}
[Theory]
[InlineData("https://www.passwordless.dev", "http://www.passwordless.dev")]
[InlineData("https://www.passwordless.dev:443", "http://www.passwordless.dev:443")]
[InlineData("https://www.passwordless.dev", "http://www.passwordless.dev:443")]
[InlineData("https://www.passwordless.dev:443", "http://www.passwordless.dev")]
[InlineData("https://www.passwordless.dev:443/foo/bar.html", "http://www.passwordless.dev:443/foo/bar.html")]
[InlineData("https://www.passwordless.dev:443/foo/bar.html", "http://www.passwordless.dev:443/bar/foo.html")]
[InlineData("https://www.passwordless.dev:443/foo/bar.html", "http://www.passwordless.dev/bar/foo.html")]
[InlineData("https://www.passwordless.dev:443/foo/bar.html", "http://www.passwordless.dev")]
[InlineData("ftp://www.passwordless.dev", "ftp://www.passwordless.dev:80")]
[InlineData("ftp://www.passwordless.dev:8080", "ftp://www.passwordless.dev:8081")]
[InlineData("https://127.0.0.1", "http://127.0.0.1")]
[InlineData("https://localhost", "http://localhost")]
[InlineData("https://127.0.0.1:80", "https://127.0.0.1:81")]
[InlineData("http://localhost:80", "http://localhost:82")]
[InlineData("http://127.0.0.1:443", "http://127.0.0.1:444")]
[InlineData("http://localhost:443", "http://localhost:444")]
[InlineData("android:apk-key-hash:Ea3dD4m7ccbwcw+a27/D547hfwYra2gKE4lIBbBjCTU", "android:apk-key-hash:Ae3dD4m7ccbwcw+a27/D547hfwYra2gKE4lIBbBjCTU")]
[InlineData("lorem:ipsum:dolor", "lorem:dolor:ipsum")]
[InlineData("lorem:/ipsum:4321", "lorem:/ipsum:4322")]
[InlineData("lorem://ipsum:1234", "lorem://ipsum:1235")]
[InlineData("lorem://ipsum:9876/sit", "lorem://ipsum:9877/sit")]
[InlineData("foo://bar:321/path/", "foo://bar:322/path/")]
[InlineData("foo://bar:321/path", "foo://bar:322/path")]
[InlineData("https://[0:0:0:0:0:0:0:1]", "http://[0:0:0:0:0:0:0:1]")]
[InlineData("https://[0:0:0:0:0:0:0:1]", "http://[0:0:0:0:0:0:0:1]:80")]
[InlineData("http://[0:0:0:0:0:0:0:1]", "https://[0:0:0:0:0:0:0:1]")]
[InlineData("http://[0:0:0:0:0:0:0:1]", "https://[0:0:0:0:0:0:0:1]:443")]
public void TestAuthenticatorOriginsFail(string origin, string expectedOrigin)
{
var challenge = RandomNumberGenerator.GetBytes(128);
var rp = origin;
var acd = new AttestedCredentialData(("00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-40-FE-6A-32-63-BE-37-D1-01-B1-2E-57-CA-96-6C-00-22-93-E4-19-C8-CD-01-06-23-0B-C6-92-E8-CC-77-12-21-F1-DB-11-5D-41-0F-82-6B-DB-98-AC-64-2E-B1-AE-B5-A8-03-D1-DB-C1-47-EF-37-1C-FD-B1-CE-B0-48-CB-2C-A5-01-02-03-26-20-01-21-58-20-A6-D1-09-38-5A-C7-8E-5B-F0-3D-1C-2E-08-74-BE-6D-BB-A4-0B-4F-2A-5F-2F-11-82-45-65-65-53-4F-67-28-22-58-20-43-E1-08-2A-F3-13-5B-40-60-93-79-AC-47-42-58-AA-B3-97-B8-86-1D-E4-41-B4-4E-83-08-5D-1C-6B-E0-D0").Split('-').Select(c => Convert.ToByte(c, 16)).ToArray());
var authData = new AuthenticatorData(
SHA256.HashData(Encoding.UTF8.GetBytes(origin)),
AuthenticatorFlags.UP | AuthenticatorFlags.AT,
0,
acd
).ToByteArray();
var clientDataJson = JsonSerializer.SerializeToUtf8Bytes(new
{
type = "webauthn.create",
challenge = challenge,
origin = rp
});
var rawResponse = new AuthenticatorAttestationRawResponse
{
Type = PublicKeyCredentialType.PublicKey,
Id = new byte[] { 0xf1, 0xd0 },
RawId = new byte[] { 0xf1, 0xd0 },
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = new CborMap {
{ "fmt", "none" },
{ "attStmt", new CborMap() },
{ "authData", authData }
}.Encode(),
ClientDataJson = clientDataJson
},
};
var origChallenge = new CredentialCreateOptions
{
Attestation = AttestationConveyancePreference.Direct,
AuthenticatorSelection = new AuthenticatorSelection
{
AuthenticatorAttachment = AuthenticatorAttachment.CrossPlatform,
RequireResidentKey = true,
UserVerification = UserVerificationRequirement.Discouraged,
},
Challenge = challenge,
ErrorMessage = "",
PubKeyCredParams = new List<PubKeyCredParam>()
{
new PubKeyCredParam(COSE.Algorithm.ES256)
},
Rp = new PublicKeyCredentialRpEntity(rp, rp, ""),
Status = "ok",
User = new Fido2User
{
Name = "testuser",
Id = Encoding.UTF8.GetBytes("testuser"),
DisplayName = "Test User",
},
Timeout = 60000,
};
IsCredentialIdUniqueToUserAsyncDelegate callback = (args, cancellationToken) =>
{
return Task.FromResult(true);
};
IFido2 lib = new Fido2(new Fido2Configuration()
{
ServerDomain = rp,
ServerName = rp,
Origins = new HashSet<string> { expectedOrigin },
});
var ex = Assert.ThrowsAsync<Fido2VerificationException>(() => lib.MakeNewCredentialAsync(rawResponse, origChallenge, callback));
Assert.StartsWith("Fully qualified origin", ex.Result.Message);
}
[Fact]
public void TestAuthenticatorAttestationRawResponse()
{
var challenge = RandomNumberGenerator.GetBytes(128);
var clientDataJson = JsonSerializer.SerializeToUtf8Bytes(new
{
Type = "webauthn.create",
Challenge = challenge,
Origin = "https://www.passwordless.dev",
});
var rawResponse = new AuthenticatorAttestationRawResponse
{
Type = PublicKeyCredentialType.PublicKey,
Id = new byte[] { 0xf1, 0xd0 },
RawId = new byte[] { 0xf1, 0xd0 },
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = new CborMap().Encode(),
ClientDataJson = clientDataJson
},
Extensions = new AuthenticationExtensionsClientOutputs()
{
AppID = true,
AuthenticatorSelection = true,
Extensions = new string[] { "foo", "bar" },
Example = "test",
UserVerificationMethod = new ulong[][]
{
new ulong[]
{
4 // USER_VERIFY_PASSCODE_INTERNAL
},
},
}
};
Assert.Equal(PublicKeyCredentialType.PublicKey, rawResponse.Type);
Assert.True(rawResponse.Id.SequenceEqual(new byte[] { 0xf1, 0xd0 }));
Assert.True(rawResponse.RawId.SequenceEqual(new byte[] { 0xf1, 0xd0 }));
Assert.True(rawResponse.Response.AttestationObject.SequenceEqual(new byte[] { 0xa0 }));
Assert.True(rawResponse.Response.ClientDataJson.SequenceEqual(clientDataJson));
Assert.True(rawResponse.Extensions.AppID);
Assert.True(rawResponse.Extensions.AuthenticatorSelection);
Assert.Equal(rawResponse.Extensions.Extensions, new string[] { "foo", "bar" });
Assert.Equal("test", rawResponse.Extensions.Example);
Assert.Equal((ulong)4, rawResponse.Extensions.UserVerificationMethod[0][0]);
}
[Fact]
public void TestAuthenticatorAttestationRawResponseNull()
{
var ex = Assert.Throws<Fido2VerificationException>(() => AuthenticatorAttestationResponse.Parse(null));
Assert.Equal("Expected rawResponse, got null", ex.Message);
}
[Fact]
public void TestAuthenticatorAttestationResponseNull()
{
var rawResponse = new AuthenticatorAttestationRawResponse
{
Type = PublicKeyCredentialType.PublicKey,
Id = new byte[] { 0xf1, 0xd0 },
RawId = new byte[] { 0xf1, 0xd0 },
Response = null,
};
var ex = Assert.Throws<Fido2VerificationException>(() => AuthenticatorAttestationResponse.Parse(rawResponse));
Assert.Equal("Expected rawResponse, got null", ex.Message);
}
[Theory]
[InlineData(null)]
[InlineData(new byte[0])]
public void TestAuthenticatorAttestationReponseAttestationObjectNull(byte[] value)
{
var rawResponse = new AuthenticatorAttestationRawResponse
{
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = value,
}
};
var ex = Assert.Throws<Fido2VerificationException>(() => AuthenticatorAttestationResponse.Parse(rawResponse));
Assert.Equal("Missing AttestationObject", ex.Message);
}
[Theory]
[InlineData(new byte[] { 0x66, 0x6f, 0x6f })]
public void TestAuthenticatorAttestationObjectBadCBOR(byte[] value)
{
var rawResponse = new AuthenticatorAttestationRawResponse
{
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = value,
}
};
var ex = Assert.Throws<Fido2VerificationException>(() => AuthenticatorAttestationResponse.Parse(rawResponse));
Assert.Equal("AttestationObject invalid CBOR", ex.Message);
var innerEx = (CborContentException)ex.InnerException;
Assert.Equal("Declared definite length of CBOR data item exceeds available buffer size.", innerEx.Message);
}
[Theory]
[InlineData(new byte[] { 0xa1, 0x63, 0x66, 0x6d, 0x74, 0xf6 })] // "fmt", null
[InlineData(new byte[] { 0xa1, 0x63, 0x66, 0x6d, 0x74, 0x18, 0x2a })] // "fmt", 42
[InlineData(new byte[] { 0xa1, 0x67, 0x61, 0x74, 0x74, 0x53, 0x74, 0x6d, 0x74, 0xf6 })] // "attStmt", null
[InlineData(new byte[] { 0xa1, 0x67, 0x61, 0x74, 0x74, 0x53, 0x74, 0x6d, 0x74, 0x67, 0x61, 0x74, 0x74, 0x53, 0x74, 0x6d, 0x74 })] // "attStmt", "attStmt"
[InlineData(new byte[] { 0xa1, 0x68, 0x61, 0x75, 0x74, 0x68, 0x44, 0x61, 0x74, 0x61, 0xf6 })] // "authData", null
[InlineData(new byte[] { 0xa1, 0x68, 0x61, 0x75, 0x74, 0x68, 0x44, 0x61, 0x74, 0x61, 0x68, 0x61, 0x75, 0x74, 0x68, 0x44, 0x61, 0x74, 0x61 })] // "authData", "authData"
public void TestAuthenticatorAttestationObjectMalformed(byte[] value)
{
var rawResponse = new AuthenticatorAttestationRawResponse
{
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = value,
}
};
var ex = Assert.Throws<Fido2VerificationException>(() => AuthenticatorAttestationResponse.Parse(rawResponse));
Assert.Equal("Malformed AttestationObject", ex.Message);
}
[Fact]
public void TestAuthenticatorAttestationResponseInvalidType()
{
var challenge = RandomNumberGenerator.GetBytes(128);
var rp = "https://www.passwordless.dev";
var clientDataJson = JsonSerializer.SerializeToUtf8Bytes(new
{
Type = "webauthn.get",
Challenge = challenge,
Origin = rp,
});
var rawResponse = new AuthenticatorAttestationRawResponse
{
Type = PublicKeyCredentialType.PublicKey,
Id = new byte[] { 0xf1, 0xd0 },
RawId = new byte[] { 0xf1, 0xd0 },
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = new CborMap {
{ "fmt", "testing" },
{ "attStmt", new CborMap() },
{ "authData", Array.Empty<byte>() }
}.Encode(),
ClientDataJson = clientDataJson
},
};
var origChallenge = new CredentialCreateOptions
{
Attestation = AttestationConveyancePreference.Direct,
AuthenticatorSelection = new AuthenticatorSelection
{
AuthenticatorAttachment = AuthenticatorAttachment.CrossPlatform,
RequireResidentKey = true,
UserVerification = UserVerificationRequirement.Discouraged,
},
Challenge = challenge,
ErrorMessage = "",
PubKeyCredParams = new List<PubKeyCredParam>()
{
new PubKeyCredParam(COSE.Algorithm.ES256)
},
Rp = new PublicKeyCredentialRpEntity(rp, rp, ""),
Status = "ok",
User = new Fido2User
{
Name = "testuser",
Id = Encoding.UTF8.GetBytes("testuser"),
DisplayName = "Test User",
},
Timeout = 60000,
};
IsCredentialIdUniqueToUserAsyncDelegate callback = (args, cancellationToken) =>
{
return Task.FromResult(true);
};
IFido2 lib = new Fido2(new Fido2Configuration()
{
ServerDomain = rp,
ServerName = rp,
Origins = new HashSet<string> { rp },
});
var ex = Assert.ThrowsAsync<Fido2VerificationException>(() => lib.MakeNewCredentialAsync(rawResponse, origChallenge, callback));
Assert.Equal("AttestationResponse is not type webauthn.create", ex.Result.Message);
}
[Theory]
[InlineData(null)]
[InlineData(new byte[0])]
public void TestAuthenticatorAttestationResponseInvalidRawId(byte[] value)
{
var challenge = RandomNumberGenerator.GetBytes(128);
var rp = "https://www.passwordless.dev";
byte[] clientDataJson = JsonSerializer.SerializeToUtf8Bytes(new {
type = "webauthn.create",
challenge = challenge,
origin = rp,
});
var rawResponse = new AuthenticatorAttestationRawResponse
{
Type = PublicKeyCredentialType.PublicKey,
Id = value,
RawId = value,
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = new CborMap {
{ "fmt", "testing" },
{ "attStmt", new CborMap() },
{ "authData", Array.Empty<byte>() }
}.Encode(),
ClientDataJson = clientDataJson
},
};
var origChallenge = new CredentialCreateOptions
{
Attestation = AttestationConveyancePreference.Direct,
AuthenticatorSelection = new AuthenticatorSelection
{
AuthenticatorAttachment = AuthenticatorAttachment.CrossPlatform,
RequireResidentKey = true,
UserVerification = UserVerificationRequirement.Discouraged,
},
Challenge = challenge,
ErrorMessage = "",
PubKeyCredParams = new List<PubKeyCredParam>()
{
new PubKeyCredParam(COSE.Algorithm.ES256)
},
Rp = new PublicKeyCredentialRpEntity(rp, rp, ""),
Status = "ok",
User = new Fido2User
{
Name = "testuser",
Id = Encoding.UTF8.GetBytes("testuser"),
DisplayName = "Test User",
},
Timeout = 60000,
};
IsCredentialIdUniqueToUserAsyncDelegate callback = (args, cancellationToken) =>
{
return Task.FromResult(true);
};
IFido2 lib = new Fido2(new Fido2Configuration()
{
ServerDomain = rp,
ServerName = rp,
Origins = new HashSet<string> { rp },
});
var ex = Assert.ThrowsAsync<Fido2VerificationException>(() => lib.MakeNewCredentialAsync(rawResponse, origChallenge, callback));
Assert.Equal("AttestationResponse is missing Id", ex.Result.Message);
}
[Fact]
public void TestAuthenticatorAttestationResponseInvalidRawType()
{
var challenge = RandomNumberGenerator.GetBytes(128);
var rp = "https://www.passwordless.dev";
var clientDataJson = JsonSerializer.SerializeToUtf8Bytes(new {
type = "webauthn.create",
challenge = challenge,
origin = rp,
});
var rawResponse = new AuthenticatorAttestationRawResponse
{
Type = null,
Id = new byte[] { 0xf1, 0xd0 },
RawId = new byte[] { 0xf1, 0xd0 },
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = new CborMap {
{ "fmt", "testing" },
{ "attStmt", new CborMap() },
{ "authData", Array.Empty<byte>() }
}.Encode(),
ClientDataJson = clientDataJson
},
};
var origChallenge = new CredentialCreateOptions
{
Attestation = AttestationConveyancePreference.Direct,
AuthenticatorSelection = new AuthenticatorSelection
{
AuthenticatorAttachment = AuthenticatorAttachment.CrossPlatform,
RequireResidentKey = true,
UserVerification = UserVerificationRequirement.Discouraged,
},
Challenge = challenge,
ErrorMessage = "",
PubKeyCredParams = new List<PubKeyCredParam>()
{
new PubKeyCredParam(COSE.Algorithm.ES256)
},
Rp = new PublicKeyCredentialRpEntity(rp, rp, ""),
Status = "ok",
User = new Fido2User
{
Name = "testuser",
Id = Encoding.UTF8.GetBytes("testuser"),
DisplayName = "Test User",
},
Timeout = 60000,
};
IsCredentialIdUniqueToUserAsyncDelegate callback = (args, cancellationToken) =>
{
return Task.FromResult(true);
};
IFido2 lib = new Fido2(new Fido2Configuration()
{
ServerDomain = rp,
ServerName = rp,
Origins = new HashSet<string> { rp },
});
var ex = Assert.ThrowsAsync<Fido2VerificationException>(() => lib.MakeNewCredentialAsync(rawResponse, origChallenge, callback));
Assert.Equal("AttestationResponse is missing type with value 'public-key'", ex.Result.Message);
}
[Fact]
public void TestAuthenticatorAttestationResponseRpidMismatch()
{
var challenge = RandomNumberGenerator.GetBytes(128);
var rp = "https://www.passwordless.dev";
var authData = new AuthenticatorData(
SHA256.HashData(Encoding.UTF8.GetBytes("passwordless.dev")),
AuthenticatorFlags.UV,
0,
null
).ToByteArray();
var clientDataJson = JsonSerializer.SerializeToUtf8Bytes(new
{
type = "webauthn.create",
challenge = challenge,
origin = rp,
});
var rawResponse = new AuthenticatorAttestationRawResponse
{
Type = PublicKeyCredentialType.PublicKey,
Id = new byte[] { 0xf1, 0xd0 },
RawId = new byte[] { 0xf1, 0xd0 },
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = new CborMap {
{ "fmt", "testing" },
{ "attStmt", new CborMap() },
{ "authData", authData }
}.Encode(),
ClientDataJson = clientDataJson
},
};
var origChallenge = new CredentialCreateOptions
{
Attestation = AttestationConveyancePreference.Direct,
AuthenticatorSelection = new AuthenticatorSelection
{
AuthenticatorAttachment = AuthenticatorAttachment.CrossPlatform,
RequireResidentKey = true,
UserVerification = UserVerificationRequirement.Discouraged,
},
Challenge = challenge,
ErrorMessage = "",
PubKeyCredParams = new List<PubKeyCredParam>()
{
new PubKeyCredParam(COSE.Algorithm.ES256)
},
Rp = new PublicKeyCredentialRpEntity(rp, rp, ""),
Status = "ok",
User = new Fido2User
{
Name = "testuser",
Id = Encoding.UTF8.GetBytes("testuser"),
DisplayName = "Test User",
},
Timeout = 60000,
};
IsCredentialIdUniqueToUserAsyncDelegate callback = (args, cancellationToken) =>
{
return Task.FromResult(true);
};
IFido2 lib = new Fido2(new Fido2Configuration()
{
ServerDomain = rp,
ServerName = rp,
Origins = new HashSet<string> { rp },
});
var ex = Assert.ThrowsAsync<Fido2VerificationException>(() => lib.MakeNewCredentialAsync(rawResponse, origChallenge, callback));
Assert.Equal("Hash mismatch RPID", ex.Result.Message);
}
[Fact]
public void TestAuthenticatorAttestationResponseNotUserPresent()
{
var challenge = RandomNumberGenerator.GetBytes(128);
var rp = "https://www.passwordless.dev";
var authData = new AuthenticatorData(
SHA256.HashData(Encoding.UTF8.GetBytes(rp)),
AuthenticatorFlags.UV,
0,
null
).ToByteArray();
var clientDataJson = JsonSerializer.SerializeToUtf8Bytes(new
{
type = "webauthn.create",
challenge = challenge,
origin = rp
});
var rawResponse = new AuthenticatorAttestationRawResponse
{
Type = PublicKeyCredentialType.PublicKey,
Id = new byte[] { 0xf1, 0xd0 },
RawId = new byte[] { 0xf1, 0xd0 },
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = new CborMap {
{ "fmt", "testing" },
{ "attStmt", new CborMap() },
{ "authData", authData }
}.Encode(),
ClientDataJson = clientDataJson
},
};
var origChallenge = new CredentialCreateOptions
{
Attestation = AttestationConveyancePreference.Direct,
AuthenticatorSelection = new AuthenticatorSelection
{
AuthenticatorAttachment = AuthenticatorAttachment.CrossPlatform,
RequireResidentKey = true,
UserVerification = UserVerificationRequirement.Discouraged,
},
Challenge = challenge,
ErrorMessage = "",
PubKeyCredParams = new List<PubKeyCredParam>()
{
new PubKeyCredParam(COSE.Algorithm.ES256)
},
Rp = new PublicKeyCredentialRpEntity(rp, rp, ""),
Status = "ok",
User = new Fido2User
{
Name = "testuser",
Id = Encoding.UTF8.GetBytes("testuser"),
DisplayName = "Test User",
},
Timeout = 60000,
};
IsCredentialIdUniqueToUserAsyncDelegate callback = (args, cancellationToken) =>
{
return Task.FromResult(true);
};
IFido2 lib = new Fido2(new Fido2Configuration()
{
ServerDomain = rp,
ServerName = rp,
Origins = new HashSet<string> { rp },
});
var ex = Assert.ThrowsAsync<Fido2VerificationException>(() => lib.MakeNewCredentialAsync(rawResponse, origChallenge, callback));
Assert.Equal("User Present flag not set in authenticator data", ex.Result.Message);
}
[Fact]
public void TestAuthenticatorAttestationResponseNoAttestedCredentialData()
{
var challenge = RandomNumberGenerator.GetBytes(128);
var rp = "https://www.passwordless.dev";
var authData = new AuthenticatorData(
SHA256.HashData(Encoding.UTF8.GetBytes(rp)),
AuthenticatorFlags.UP | AuthenticatorFlags.UV,
0,
null
).ToByteArray();
var clientDataJson = JsonSerializer.SerializeToUtf8Bytes(new
{
type = "webauthn.create",
challenge = challenge,
origin = rp,
});
var rawResponse = new AuthenticatorAttestationRawResponse
{
Type = PublicKeyCredentialType.PublicKey,
Id = new byte[] { 0xf1, 0xd0 },
RawId = new byte[] { 0xf1, 0xd0 },
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = new CborMap {
{ "fmt", "testing" },
{ "attStmt", new CborMap() },
{ "authData", authData }
}.Encode(),
ClientDataJson = clientDataJson
},
};
var origChallenge = new CredentialCreateOptions
{
Attestation = AttestationConveyancePreference.Direct,
AuthenticatorSelection = new AuthenticatorSelection
{
AuthenticatorAttachment = AuthenticatorAttachment.CrossPlatform,
RequireResidentKey = true,
UserVerification = UserVerificationRequirement.Discouraged,
},
Challenge = challenge,
ErrorMessage = "",
PubKeyCredParams = new List<PubKeyCredParam>()
{
new PubKeyCredParam(COSE.Algorithm.ES256)
},
Rp = new PublicKeyCredentialRpEntity(rp, rp, ""),
Status = "ok",
User = new Fido2User
{
Name = "testuser",
Id = Encoding.UTF8.GetBytes("testuser"),
DisplayName = "Test User",
},
Timeout = 60000,
};
IsCredentialIdUniqueToUserAsyncDelegate callback = (args, cancellationToken) =>
{
return Task.FromResult(true);
};
IFido2 lib = new Fido2(new Fido2Configuration()
{
ServerDomain = rp,
ServerName = rp,
Origins = new HashSet<string> { rp },
});
var ex = Assert.ThrowsAsync<Fido2VerificationException>(() => lib.MakeNewCredentialAsync(rawResponse, origChallenge, callback));
Assert.Equal("Attestation flag not set on attestation data", ex.Result.Message);
}
[Fact]
public void TestAuthenticatorAttestationResponseUnknownAttestationType()
{
var challenge = RandomNumberGenerator.GetBytes(128);
var rp = "https://www.passwordless.dev";
var acd = new AttestedCredentialData(("00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-40-FE-6A-32-63-BE-37-D1-01-B1-2E-57-CA-96-6C-00-22-93-E4-19-C8-CD-01-06-23-0B-C6-92-E8-CC-77-12-21-F1-DB-11-5D-41-0F-82-6B-DB-98-AC-64-2E-B1-AE-B5-A8-03-D1-DB-C1-47-EF-37-1C-FD-B1-CE-B0-48-CB-2C-A5-01-02-03-26-20-01-21-58-20-A6-D1-09-38-5A-C7-8E-5B-F0-3D-1C-2E-08-74-BE-6D-BB-A4-0B-4F-2A-5F-2F-11-82-45-65-65-53-4F-67-28-22-58-20-43-E1-08-2A-F3-13-5B-40-60-93-79-AC-47-42-58-AA-B3-97-B8-86-1D-E4-41-B4-4E-83-08-5D-1C-6B-E0-D0").Split('-').Select(c => Convert.ToByte(c, 16)).ToArray());
var authData = new AuthenticatorData(
SHA256.HashData(Encoding.UTF8.GetBytes(rp)),
AuthenticatorFlags.AT | AuthenticatorFlags.UP | AuthenticatorFlags.UV,
0,
acd
).ToByteArray();
var clientDataJson = JsonSerializer.SerializeToUtf8Bytes(new
{
type = "webauthn.create",
challenge = challenge,
origin = rp,
});
var rawResponse = new AuthenticatorAttestationRawResponse
{
Type = PublicKeyCredentialType.PublicKey,
Id = new byte[] { 0xf1, 0xd0 },
RawId = new byte[] { 0xf1, 0xd0 },
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = new CborMap {
{ "fmt", "testing" },
{ "attStmt", new CborMap() },
{ "authData", authData }
}.Encode(),
ClientDataJson = clientDataJson
},
};
var origChallenge = new CredentialCreateOptions
{
Attestation = AttestationConveyancePreference.Direct,
AuthenticatorSelection = new AuthenticatorSelection
{
AuthenticatorAttachment = AuthenticatorAttachment.CrossPlatform,
RequireResidentKey = true,
UserVerification = UserVerificationRequirement.Discouraged,
},
Challenge = challenge,
ErrorMessage = "",
PubKeyCredParams = new List<PubKeyCredParam>()
{
new PubKeyCredParam(COSE.Algorithm.ES256)
},
Rp = new PublicKeyCredentialRpEntity(rp, rp, ""),
Status = "ok",
User = new Fido2User
{
Name = "testuser",
Id = Encoding.UTF8.GetBytes("testuser"),
DisplayName = "Test User",
},
Timeout = 60000,
};
IsCredentialIdUniqueToUserAsyncDelegate callback = (args, cancellationToken) =>
{
return Task.FromResult(true);
};
IFido2 lib = new Fido2(new Fido2Configuration()
{
ServerDomain = rp,
ServerName = rp,
Origins = new HashSet<string> { rp },
});
var ex = Assert.ThrowsAsync<Fido2VerificationException>(() => lib.MakeNewCredentialAsync(rawResponse, origChallenge, callback));
Assert.Equal("Missing or unknown attestation type", ex.Result.Message);
}
[Fact]
public void TestAuthenticatorAttestationResponseNotUniqueCredId()
{
var challenge = RandomNumberGenerator.GetBytes(128);
var rp = "https://www.passwordless.dev";
var acd = new AttestedCredentialData(("00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-40-FE-6A-32-63-BE-37-D1-01-B1-2E-57-CA-96-6C-00-22-93-E4-19-C8-CD-01-06-23-0B-C6-92-E8-CC-77-12-21-F1-DB-11-5D-41-0F-82-6B-DB-98-AC-64-2E-B1-AE-B5-A8-03-D1-DB-C1-47-EF-37-1C-FD-B1-CE-B0-48-CB-2C-A5-01-02-03-26-20-01-21-58-20-A6-D1-09-38-5A-C7-8E-5B-F0-3D-1C-2E-08-74-BE-6D-BB-A4-0B-4F-2A-5F-2F-11-82-45-65-65-53-4F-67-28-22-58-20-43-E1-08-2A-F3-13-5B-40-60-93-79-AC-47-42-58-AA-B3-97-B8-86-1D-E4-41-B4-4E-83-08-5D-1C-6B-E0-D0").Split('-').Select(c => Convert.ToByte(c, 16)).ToArray());
var authData = new AuthenticatorData(
SHA256.HashData(Encoding.UTF8.GetBytes(rp)),
AuthenticatorFlags.AT | AuthenticatorFlags.UP | AuthenticatorFlags.UV,
0,
acd
).ToByteArray();
var clientDataJson = JsonSerializer.SerializeToUtf8Bytes(new
{
type = "webauthn.create",
challenge = challenge,
origin = rp,
});
var rawResponse = new AuthenticatorAttestationRawResponse
{
Type = PublicKeyCredentialType.PublicKey,
Id = new byte[] { 0xf1, 0xd0 },
RawId = new byte[] { 0xf1, 0xd0 },
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = new CborMap {
{ "fmt", "none" },
{ "attStmt", new CborMap() },
{ "authData", authData }
}.Encode(),
ClientDataJson = clientDataJson
},
};
var origChallenge = new CredentialCreateOptions
{
Attestation = AttestationConveyancePreference.Direct,
AuthenticatorSelection = new AuthenticatorSelection
{
AuthenticatorAttachment = AuthenticatorAttachment.CrossPlatform,
RequireResidentKey = true,
UserVerification = UserVerificationRequirement.Discouraged,
},
Challenge = challenge,
ErrorMessage = "",
PubKeyCredParams = new List<PubKeyCredParam>()
{
new PubKeyCredParam(COSE.Algorithm.ES256)
},
Rp = new PublicKeyCredentialRpEntity(rp, rp, ""),
Status = "ok",
User = new Fido2User
{
Name = "testuser",
Id = Encoding.UTF8.GetBytes("testuser"),
DisplayName = "Test User",
},
Timeout = 60000,
};
IsCredentialIdUniqueToUserAsyncDelegate callback = (args, cancellationToken) =>
{
return Task.FromResult(false);
};
IFido2 lib = new Fido2(new Fido2Configuration()
{
ServerDomain = rp,
ServerName = rp,
Origins = new HashSet<string> { rp },
});
var ex = Assert.ThrowsAsync<Fido2VerificationException>(() => lib.MakeNewCredentialAsync(rawResponse, origChallenge, callback));
Assert.Equal("CredentialId is not unique to this user", ex.Result.Message);
}
[Fact]
public void TestAuthenticatorAttestationResponseUVRequired()
{
var challenge = RandomNumberGenerator.GetBytes(128);
var rp = "https://www.passwordless.dev";
var acd = new AttestedCredentialData(("00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-40-FE-6A-32-63-BE-37-D1-01-B1-2E-57-CA-96-6C-00-22-93-E4-19-C8-CD-01-06-23-0B-C6-92-E8-CC-77-12-21-F1-DB-11-5D-41-0F-82-6B-DB-98-AC-64-2E-B1-AE-B5-A8-03-D1-DB-C1-47-EF-37-1C-FD-B1-CE-B0-48-CB-2C-A5-01-02-03-26-20-01-21-58-20-A6-D1-09-38-5A-C7-8E-5B-F0-3D-1C-2E-08-74-BE-6D-BB-A4-0B-4F-2A-5F-2F-11-82-45-65-65-53-4F-67-28-22-58-20-43-E1-08-2A-F3-13-5B-40-60-93-79-AC-47-42-58-AA-B3-97-B8-86-1D-E4-41-B4-4E-83-08-5D-1C-6B-E0-D0").Split('-').Select(c => Convert.ToByte(c, 16)).ToArray());
var authData = new AuthenticatorData(
SHA256.HashData(Encoding.UTF8.GetBytes(rp)),
AuthenticatorFlags.AT | AuthenticatorFlags.UP,
0,
acd
).ToByteArray();
var clientDataJson = JsonSerializer.SerializeToUtf8Bytes(new
{
type = "webauthn.create",
challenge = challenge,
origin = rp,
});
var rawResponse = new AuthenticatorAttestationRawResponse
{
Type = PublicKeyCredentialType.PublicKey,
Id = new byte[] { 0xf1, 0xd0 },
RawId = new byte[] { 0xf1, 0xd0 },
Response = new AuthenticatorAttestationRawResponse.ResponseData()
{
AttestationObject = new CborMap {
{ "fmt", "none" },
{ "attStmt", new CborMap() },
{ "authData", authData }
}.Encode(),
ClientDataJson = clientDataJson
},
};
var origChallenge = new CredentialCreateOptions
{
Attestation = AttestationConveyancePreference.Direct,
AuthenticatorSelection = new AuthenticatorSelection
{
AuthenticatorAttachment = AuthenticatorAttachment.CrossPlatform,
RequireResidentKey = true,
UserVerification = UserVerificationRequirement.Required,
},
Challenge = challenge,
ErrorMessage = "",
PubKeyCredParams = new List<PubKeyCredParam>()
{