public static void ImportFromPem_SpkiAlgorithmMismatch_Throws()
{
using (DSA dsa = DSAFactory.Create())
{
string pem = @"
The below key is for an RSA SPKI
-----BEGIN PUBLIC KEY-----
MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBALc/WfXui9VeJLf/AprRaoVDyW0lPlQx
m5NTLEHDwUd7idstLzPXuah0WEjgao5oO1BEUR4byjYlJ+F89Cs4BhUCAwEAAQ==
-----END PUBLIC KEY-----";
Assert.Throws <CryptographicException>(() => dsa.ImportFromPem(pem));
}
}
public static void CreateFromSubjectPublicKeyInfo_Roundtrip_DSA()
{
using DSA dsa = DSA.Create();
dsa.ImportFromPem(TestData.DsaPkcs8PublicKey);
byte[] spki = dsa.ExportSubjectPublicKeyInfo();
PublicKey key = PublicKey.CreateFromSubjectPublicKeyInfo(spki, out int read);
Assert.IsAssignableFrom <DSA>(key.Key);
Assert.Equal("1.2.840.10040.4.1", key.Oid.Value);
Assert.Equal(spki, key.ExportSubjectPublicKeyInfo());
Assert.Equal(spki.Length, read);
}
public static void ImportFromPem_Pkcs8UnEncrypted_Simple()
{
using (DSA dsa = DSAFactory.Create())
{
string pem = @"
-----BEGIN PRIVATE KEY-----
MIHGAgEAMIGoBgcqhkjOOAQBMIGcAkEA1qi38cr3ppZNB2Y/xpHSL2q81Vw3rvWN
IHRnQNgv4U4UY2NifZGSUULc3uOEvgoeBO1b9fRxSG9NmG1CoufflQIVAPq19iXV
1eFkMKHvYw6+M4l8wiT5AkAIRMSQ5S71jgWQLGNtZNHV6yxggqDU87/RzgeOh7Q6
fve77OGaTv4qbZwinTYAg86p9yHzmwW6+XBS3vxnpYorBBYCFC49eoTIW2Z4Xh9v
55aYKyKwy5i8
-----END PRIVATE KEY-----";
dsa.ImportFromPem(pem);
DSAParameters dsaParameters = dsa.ExportParameters(true);
DSAImportExport.AssertKeyEquals(DSATestData.Dsa512Parameters, dsaParameters);
}
}
public static void ExportSubjectPublicKeyInfo_DSA()
{
using DSA dsa = DSA.Create();
dsa.ImportFromPem(TestData.DsaPkcs8PublicKey);
PublicKey key = new PublicKey(dsa);
Span <byte> algSpki = dsa.ExportSubjectPublicKeyInfo();
Assert.True(algSpki.SequenceEqual(key.ExportSubjectPublicKeyInfo()), "SequenceEquals(ExportSubjectPublicKeyInfo)");
// Just right
Assert.True(key.TryExportSubjectPublicKeyInfo(algSpki, out int written), nameof(key.TryExportSubjectPublicKeyInfo));
Assert.Equal(algSpki.Length, written);
// Too small
Assert.False(key.TryExportSubjectPublicKeyInfo(algSpki.Slice(1), out written), nameof(key.TryExportSubjectPublicKeyInfo));
Assert.Equal(0, written);
}
public static void ImportFromPem_SubjectPublicKeyInfo_Simple()
{
using (DSA dsa = DSAFactory.Create())
{
string pem = @"
-----BEGIN PUBLIC KEY-----
MIHxMIGoBgcqhkjOOAQBMIGcAkEA1qi38cr3ppZNB2Y/xpHSL2q81Vw3rvWNIHRn
QNgv4U4UY2NifZGSUULc3uOEvgoeBO1b9fRxSG9NmG1CoufflQIVAPq19iXV1eFk
MKHvYw6+M4l8wiT5AkAIRMSQ5S71jgWQLGNtZNHV6yxggqDU87/RzgeOh7Q6fve7
7OGaTv4qbZwinTYAg86p9yHzmwW6+XBS3vxnpYorA0QAAkEAwwDg5n2HfmztOf7q
qsHywr1WjmoyRnIn4Stq5FqNlHhUGkgKyAA4qshjgn1uOYQGGiWQXBi9JJmoOWY8
PKRWBQ==
-----END PUBLIC KEY-----";
dsa.ImportFromPem(pem);
DSAParameters dsaParameters = dsa.ExportParameters(false);
DSAImportExport.AssertKeyEquals(DSATestData.Dsa512Parameters.ToPublic(), dsaParameters);
}
}
public static void ImportFromPem_Pkcs8UnEncrypted_IgnoresUnrelatedAlgorithm()
{
using (DSA dsa = DSAFactory.Create())
{
string pem = @"
-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIHChLC2xaEXtVv9oz8IaRys/BNfWhRv2NJ8tfVs0UrOKoAoGCCqGSM49
AwEHoUQDQgAEgQHs5HRkpurXDPaabivT2IaRoyYtIsuk92Ner/JmgKjYoSumHVmS
NfZ9nLTVjxeD08pD548KWrqmJAeZNsDDqQ==
-----END EC PRIVATE KEY-----
-----BEGIN PRIVATE KEY-----
MIHGAgEAMIGoBgcqhkjOOAQBMIGcAkEA1qi38cr3ppZNB2Y/xpHSL2q81Vw3rvWN
IHRnQNgv4U4UY2NifZGSUULc3uOEvgoeBO1b9fRxSG9NmG1CoufflQIVAPq19iXV
1eFkMKHvYw6+M4l8wiT5AkAIRMSQ5S71jgWQLGNtZNHV6yxggqDU87/RzgeOh7Q6
fve77OGaTv4qbZwinTYAg86p9yHzmwW6+XBS3vxnpYorBBYCFC49eoTIW2Z4Xh9v
55aYKyKwy5i8
-----END PRIVATE KEY-----";
dsa.ImportFromPem(pem);
DSAParameters dsaParameters = dsa.ExportParameters(true);
DSAImportExport.AssertKeyEquals(DSATestData.Dsa512Parameters, dsaParameters);
}
}
public static void ImportFromPem_EncryptedPrivateKeyFails()
{
using (DSA dsa = DSAFactory.Create())
{
string pem = @"
-----BEGIN ENCRYPTED PRIVATE KEY-----
MIIBIDBLBgkqhkiG9w0BBQ0wPjApBgkqhkiG9w0BBQwwHAQIkM/kCKe6rYsCAggA
MAwGCCqGSIb3DQIJBQAwEQYFKw4DAgcECBOccveL65bDBIHQiCcCqwxJs93g1+16
7Gx1D5lL4/nZ94fRa+Hl4nGEX4gmjuxH6pOHKyywwflAyXNTfVhOCP9zBedwENx9
MGHbpaaShD6iJfoGMRX0frr0mMCtuOOZkkjBF9pSpkhaH0TDSq1PrVLxcM0/S4Vs
+//2uPrP8U+CTW9W7CXCZw698BAuevZRuD0koT2Bn9ErhTiuVZZMcOjtLmN2oXHG
dVYwfovccu8ktEAwk5XAOo0r+5CCw2lDDw/hbDeO87BToC5Cc5nu3F5LxAUj8Flc
v8pi3w==
-----END ENCRYPTED PRIVATE KEY-----";
ArgumentException ae = AssertExtensions.Throws <ArgumentException>("input", () => dsa.ImportFromPem(pem));
Assert.Contains(EncryptedExceptionMarker, ae.Message);
}
}
public static void ImportFromPem_Pkcs8_AmbiguousKey_EncryptedPkcs8()
{
using (DSA dsa = DSAFactory.Create())
{
string pem = @"
-----BEGIN ENCRYPTED PRIVATE KEY-----
MIIBIDBLBgkqhkiG9w0BBQ0wPjApBgkqhkiG9w0BBQwwHAQIkM/kCKe6rYsCAggA
MAwGCCqGSIb3DQIJBQAwEQYFKw4DAgcECBOccveL65bDBIHQiCcCqwxJs93g1+16
7Gx1D5lL4/nZ94fRa+Hl4nGEX4gmjuxH6pOHKyywwflAyXNTfVhOCP9zBedwENx9
MGHbpaaShD6iJfoGMRX0frr0mMCtuOOZkkjBF9pSpkhaH0TDSq1PrVLxcM0/S4Vs
+//2uPrP8U+CTW9W7CXCZw698BAuevZRuD0koT2Bn9ErhTiuVZZMcOjtLmN2oXHG
dVYwfovccu8ktEAwk5XAOo0r+5CCw2lDDw/hbDeO87BToC5Cc5nu3F5LxAUj8Flc
v8pi3w==
-----END ENCRYPTED PRIVATE KEY-----
-----BEGIN PRIVATE KEY-----
MIHGAgEAMIGoBgcqhkjOOAQBMIGcAkEA1qi38cr3ppZNB2Y/xpHSL2q81Vw3rvWN
IHRnQNgv4U4UY2NifZGSUULc3uOEvgoeBO1b9fRxSG9NmG1CoufflQIVAPq19iXV
1eFkMKHvYw6+M4l8wiT5AkAIRMSQ5S71jgWQLGNtZNHV6yxggqDU87/RzgeOh7Q6
fve77OGaTv4qbZwinTYAg86p9yHzmwW6+XBS3vxnpYorBBYCFC49eoTIW2Z4Xh9v
55aYKyKwy5i8
-----END PRIVATE KEY-----";
ArgumentException ae = AssertExtensions.Throws <ArgumentException>("input", () => dsa.ImportFromPem(pem));
Assert.Contains(AmbiguousExceptionMarker, ae.Message);
}
}
public static void ImportFromPem_Pkcs8_AmbiguousKey_Spki()
{
using (DSA dsa = DSAFactory.Create())
{
string pem = @"
-----BEGIN PUBLIC KEY-----
MIHxMIGoBgcqhkjOOAQBMIGcAkEA1qi38cr3ppZNB2Y/xpHSL2q81Vw3rvWNIHRn
QNgv4U4UY2NifZGSUULc3uOEvgoeBO1b9fRxSG9NmG1CoufflQIVAPq19iXV1eFk
MKHvYw6+M4l8wiT5AkAIRMSQ5S71jgWQLGNtZNHV6yxggqDU87/RzgeOh7Q6fve7
7OGaTv4qbZwinTYAg86p9yHzmwW6+XBS3vxnpYorA0QAAkEAwwDg5n2HfmztOf7q
qsHywr1WjmoyRnIn4Stq5FqNlHhUGkgKyAA4qshjgn1uOYQGGiWQXBi9JJmoOWY8
PKRWBQ==
-----END PUBLIC KEY-----
-----BEGIN PRIVATE KEY-----
MIHGAgEAMIGoBgcqhkjOOAQBMIGcAkEA1qi38cr3ppZNB2Y/xpHSL2q81Vw3rvWN
IHRnQNgv4U4UY2NifZGSUULc3uOEvgoeBO1b9fRxSG9NmG1CoufflQIVAPq19iXV
1eFkMKHvYw6+M4l8wiT5AkAIRMSQ5S71jgWQLGNtZNHV6yxggqDU87/RzgeOh7Q6
fve77OGaTv4qbZwinTYAg86p9yHzmwW6+XBS3vxnpYorBBYCFC49eoTIW2Z4Xh9v
55aYKyKwy5i8
-----END PRIVATE KEY-----";
ArgumentException ae = AssertExtensions.Throws <ArgumentException>("input", () => dsa.ImportFromPem(pem));
Assert.Contains(AmbiguousExceptionMarker, ae.Message);
}
}
public static void ImportFromPem_NoPem()
{
using (DSA dsa = DSAFactory.Create())
{
string pem = "pem? what pem? there is no pem here.";
ArgumentException ae = AssertExtensions.Throws <ArgumentException>("input", () => dsa.ImportFromPem(pem));
Assert.Contains(NoPemExceptionMarker, ae.Message);
}
}
