public void ReEncodeWithDuplicateHeaderBetweenProtectedAndUnprotected()
{
// Algorithm header is duplicated. It is a special case because it is mandatory that the header exists in the protected map.
CoseSigner signer = GetCoseSigner(DefaultKey, DefaultHash);
CoseMessage msg = Decode(Sign(s_sampleContent, signer));
GetSigningHeaderMap(msg, getProtectedMap: false).Add(CoseHeaderLabel.Algorithm, (int)DefaultAlgorithm);
AllEncodeOverloadsShouldThrow(msg);
// other known header is duplicate.
CoseHeaderMap protectedHeaders = GetEmptyHeaderMap();
protectedHeaders.Add(CoseHeaderLabel.ContentType, ContentTypeDummyValue);
signer = GetCoseSigner(DefaultKey, DefaultHash, protectedHeaders);
msg = Decode(Sign(s_sampleContent, signer));
GetSigningHeaderMap(msg, getProtectedMap: false).Add(CoseHeaderLabel.ContentType, ContentTypeDummyValue);
AllEncodeOverloadsShouldThrow(msg);
// not-known int header is duplicate.
var myLabel = new CoseHeaderLabel(42);
protectedHeaders = GetEmptyHeaderMap();
protectedHeaders.Add(myLabel, 42);
signer = GetCoseSigner(DefaultKey, DefaultHash, protectedHeaders);
msg = Decode(Sign(s_sampleContent, signer));
GetSigningHeaderMap(msg, getProtectedMap: false).Add(myLabel, 42);
AllEncodeOverloadsShouldThrow(msg);
// not-known tstr header is duplicate.
myLabel = new CoseHeaderLabel("42");
protectedHeaders = GetEmptyHeaderMap();
protectedHeaders.Add(myLabel, 42);
signer = GetCoseSigner(DefaultKey, DefaultHash, protectedHeaders);
msg = Decode(Sign(s_sampleContent, signer));
GetSigningHeaderMap(msg, getProtectedMap: false).Add(myLabel, 42);
AllEncodeOverloadsShouldThrow(msg);
}
public void MultiSign_ReEncodeWithDuplicateHeaderBetweenProtectedAndUnprotected_BodyProtected()
{
if (MessageKind != CoseMessageKind.MultiSign)
{
return;
}
// known header is duplicate.
CoseSigner signer = GetCoseSigner(DefaultKey, DefaultHash);
CoseHeaderMap protectedHeaders = GetEmptyHeaderMap();
protectedHeaders.Add(CoseHeaderLabel.ContentType, ContentTypeDummyValue);
CoseMessage msg = Decode(Sign(s_sampleContent, signer, protectedHeaders));
msg.UnprotectedHeaders.Add(CoseHeaderLabel.ContentType, ContentTypeDummyValue);
AllEncodeOverloadsShouldThrow(msg);
// not-known int header is duplicate.
var myLabel = new CoseHeaderLabel(42);
protectedHeaders = GetEmptyHeaderMap();
protectedHeaders.Add(myLabel, 42);
signer = GetCoseSigner(DefaultKey, DefaultHash);
msg = Decode(Sign(s_sampleContent, signer, protectedHeaders));
msg.UnprotectedHeaders.Add(myLabel, 42);
AllEncodeOverloadsShouldThrow(msg);
// not-known tstr header is duplicate.
myLabel = new CoseHeaderLabel("42");
protectedHeaders = GetEmptyHeaderMap();
protectedHeaders.Add(myLabel, 42);
signer = GetCoseSigner(DefaultKey, DefaultHash);
msg = Decode(Sign(s_sampleContent, signer, protectedHeaders));
msg.UnprotectedHeaders.Add(myLabel, 42);
AllEncodeOverloadsShouldThrow(msg);
}
public void SetValue_InvalidCoseHeaderValue()
{
CoseHeaderLabel[] labelsToTest =
{
new CoseHeaderLabel("foo"),
new CoseHeaderLabel(42),
CoseHeaderLabel.Algorithm,
CoseHeaderLabel.ContentType,
CoseHeaderLabel.CriticalHeaders,
CoseHeaderLabel.KeyIdentifier
};
foreach (CoseHeaderLabel label in labelsToTest)
{
var map = new CoseHeaderMap();
Assert.Throws <ArgumentException>("value", () => map.Add(label, new CoseHeaderValue()));
Assert.Throws <ArgumentException>("value", () => map[label] = new CoseHeaderValue());
Assert.Throws <ArgumentException>("value", () => map.Add(label, default(CoseHeaderValue)));
Assert.Throws <ArgumentException>("value", () => map[label] = default(CoseHeaderValue));
}
}
public void SignVerifyWithCustomCoseHeaderMaps()
{
foreach ((AsymmetricAlgorithm key, HashAlgorithmName hashAlgorithm, CoseAlgorithm algorithm, RSASignaturePadding? padding)
in GetKeyHashAlgorithmPaddingQuadruplet())
{
var protectedHeaders = GetEmptyHeaderMap();
protectedHeaders.Add(CoseHeaderLabel.Algorithm, (int)algorithm);
CoseHeaderMap unprotectedHeaders = new CoseHeaderMap();
unprotectedHeaders.Add(CoseHeaderLabel.ContentType, ContentTypeDummyValue);
ReadOnlySpan <byte> encodedMsg = Sign(s_sampleContent, key, hashAlgorithm, protectedHeaders, unprotectedHeaders, padding);
List <(CoseHeaderLabel, ReadOnlyMemory <byte>)>?expectedProtectedHeaders = GetExpectedProtectedHeaders(algorithm);
List <(CoseHeaderLabel, ReadOnlyMemory <byte>)>?expectedUnprotectedHeaders = GetEmptyExpectedHeaders();
AddEncoded(expectedUnprotectedHeaders, CoseHeaderLabel.ContentType, ContentTypeDummyValue);
AssertCoseSignMessage(encodedMsg, s_sampleContent, key, algorithm, expectedProtectedHeaders, expectedUnprotectedHeaders);
CoseMessage decodedMsg = Decode(encodedMsg);
Assert.True(Verify(decodedMsg, key, s_sampleContent));
}
}