public static SecurityStatusPal DecryptMessage(
SafeDeleteContext securityContext,
byte[] buffer,
ref int offset,
ref int count)
{
try
{
SafeDeleteSslContext sslContext = (SafeDeleteSslContext)securityContext;
SafeSslHandle sslHandle = sslContext.SslContext;
sslContext.Write(buffer, offset, count);
unsafe
{
fixed(byte *offsetInput = &buffer[offset])
{
int written;
PAL_TlsIo status;
lock (sslHandle)
{
status = Interop.AppleCrypto.SslRead(sslHandle, offsetInput, count, out written);
}
if (status < 0)
{
return(new SecurityStatusPal(
SecurityStatusPalErrorCode.InternalError,
Interop.AppleCrypto.CreateExceptionForOSStatus((int)status)));
}
count = written;
switch (status)
{
case PAL_TlsIo.Success:
case PAL_TlsIo.WouldBlock:
return(new SecurityStatusPal(SecurityStatusPalErrorCode.OK));
case PAL_TlsIo.ClosedGracefully:
return(new SecurityStatusPal(SecurityStatusPalErrorCode.ContextExpired));
case PAL_TlsIo.Renegotiate:
return(new SecurityStatusPal(SecurityStatusPalErrorCode.Renegotiate));
default:
Debug.Fail($"Unknown status value: {status}");
return(new SecurityStatusPal(SecurityStatusPalErrorCode.InternalError));
}
}
}
}
catch (Exception e)
{
return(new SecurityStatusPal(SecurityStatusPalErrorCode.InternalError, e));
}
}
public static SecurityStatusPal DecryptMessage(
SafeDeleteSslContext securityContext,
Span <byte> buffer,
out int offset,
out int count)
{
offset = 0;
count = 0;
try
{
SafeSslHandle sslHandle = securityContext.SslContext;
securityContext.Write(buffer);
unsafe
{
fixed(byte *ptr = buffer)
{
PAL_TlsIo status = Interop.AppleCrypto.SslRead(sslHandle, ptr, buffer.Length, out int written);
if (status < 0)
{
return(new SecurityStatusPal(
SecurityStatusPalErrorCode.InternalError,
Interop.AppleCrypto.CreateExceptionForOSStatus((int)status)));
}
count = written;
offset = 0;
switch (status)
{
case PAL_TlsIo.Success:
case PAL_TlsIo.WouldBlock:
return(new SecurityStatusPal(SecurityStatusPalErrorCode.OK));
case PAL_TlsIo.ClosedGracefully:
return(new SecurityStatusPal(SecurityStatusPalErrorCode.ContextExpired));
case PAL_TlsIo.Renegotiate:
return(new SecurityStatusPal(SecurityStatusPalErrorCode.Renegotiate));
default:
Debug.Fail($"Unknown status value: {status}");
return(new SecurityStatusPal(SecurityStatusPalErrorCode.InternalError));
}
}
}
}
catch (Exception e)
{
return(new SecurityStatusPal(SecurityStatusPalErrorCode.InternalError, e));
}
}
public static SecurityStatusPal DecryptMessage(
SafeDeleteSslContext securityContext,
Span <byte> buffer,
out int offset,
out int count)
{
offset = 0;
count = 0;
try
{
SafeSslHandle sslHandle = securityContext.SslContext;
securityContext.Write(buffer);
PAL_SSLStreamStatus ret = Interop.AndroidCrypto.SSLStreamRead(sslHandle, buffer, out int read);
if (ret == PAL_SSLStreamStatus.Error)
{
return(new SecurityStatusPal(SecurityStatusPalErrorCode.InternalError));
}
count = read;
SecurityStatusPalErrorCode statusCode = ret switch
{
PAL_SSLStreamStatus.OK => SecurityStatusPalErrorCode.OK,
PAL_SSLStreamStatus.NeedData => SecurityStatusPalErrorCode.OK,
PAL_SSLStreamStatus.Renegotiate => SecurityStatusPalErrorCode.Renegotiate,
PAL_SSLStreamStatus.Closed => SecurityStatusPalErrorCode.ContextExpired,
_ => SecurityStatusPalErrorCode.InternalError
};
return(new SecurityStatusPal(statusCode));
}
catch (Exception e)
{
return(new SecurityStatusPal(SecurityStatusPalErrorCode.InternalError, e));
}
}