internal static X509Certificate2[] X509ChainGetCertificates(SafeX509ChainContextHandle ctx)
{
int count = Interop.AndroidCrypto.X509ChainGetCertificateCount(ctx);
var certPtrs = new IntPtr[count];
int res = Interop.AndroidCrypto.X509ChainGetCertificates(ctx, certPtrs, certPtrs.Length);
if (res == 0)
{
throw new CryptographicException();
}
Debug.Assert(res <= certPtrs.Length);
var certs = new X509Certificate2[certPtrs.Length];
for (int i = 0; i < res; i++)
{
certs[i] = new X509Certificate2(certPtrs[i]);
}
if (res == certPtrs.Length)
{
return(certs);
}
return(certs[0..res]);
internal static ValidationError[] X509ChainGetErrors(SafeX509ChainContextHandle ctx)
{
int count = Interop.AndroidCrypto.X509ChainGetErrorCount(ctx);
if (count == 0)
{
return(Array.Empty <ValidationError>());
}
var errors = new ValidationError[count];
int res = Interop.AndroidCrypto.X509ChainGetErrors(ctx, errors, errors.Length);
if (res != SUCCESS)
{
throw new CryptographicException();
}
return(errors);
}
private static unsafe partial int X509ChainGetErrors(
SafeX509ChainContextHandle ctx,
ValidationError[] errors,
int errorsLen);
private static partial int X509ChainGetErrorCount(SafeX509ChainContextHandle ctx);
private static partial int X509ChainGetCertificates(
SafeX509ChainContextHandle ctx,
IntPtr[] certs,
int certsLen);
internal static partial bool X509ChainBuild(
SafeX509ChainContextHandle ctx,
long timeInMsFromUnixEpoch);
private static partial int X509ChainGetCertificateCount(SafeX509ChainContextHandle ctx);
internal static partial int X509ChainValidate(
SafeX509ChainContextHandle ctx,
X509RevocationMode revocationMode,
X509RevocationFlag revocationFlag,
out byte checkedRevocation);
internal static partial int X509ChainSetCustomTrustStore(
SafeX509ChainContextHandle ctx,
IntPtr[] customTrustStore,
int customTrustStoreLen);
private static Dictionary <int, List <X509ChainStatus> > GetStatusByIndex(SafeX509ChainContextHandle ctx)
{
var statusByIndex = new Dictionary <int, List <X509ChainStatus> >();
Interop.AndroidCrypto.ValidationError[] errors = Interop.AndroidCrypto.X509ChainGetErrors(ctx);
for (int i = 0; i < errors.Length; i++)
{
Interop.AndroidCrypto.ValidationError error = errors[i];
X509ChainStatus chainStatus = ValidationErrorToChainStatus(error);
Marshal.FreeHGlobal(error.Message);
if (!statusByIndex.ContainsKey(error.Index))
{
statusByIndex.Add(error.Index, new List <X509ChainStatus>());
}
statusByIndex[error.Index].Add(chainStatus);
}
return(statusByIndex);
}
private static unsafe extern int X509ChainGetErrors(
SafeX509ChainContextHandle ctx,
[Out] ValidationError[] errors,
int errorsLen);
private static extern int X509ChainGetErrorCount(SafeX509ChainContextHandle ctx);
