Sample code, my project is a asp.net webform
var pdfPath = Path.Combine(Request.PhysicalApplicationPath, "blank.pdf");
var pdfBase = File.ReadAllBytes(pdfPath);
using (var doc = new Document(new MemoryStream(pdfBase)))
{
var tf = new TextFragment("test text");
tf.Position = new Position(200, 330);
var page = doc.Pages[1];
page.Paragraphs.Add(tf);
using (var rv = new MemoryStream())
{
doc.Save(rv);
Response.Clear();
Response.AddHeader("content-disposition", "attachment; filename=out.pdf ");
Response.BinaryWrite(rv.ToArray());
Response.ContentType = "application/octet-stream";
Response.End();
}
}
Windows environment:
OS: Windows Server 2022 Datacenter
Setting: Administrative Tools > Local Security Policy > Local Policies > Security Options > System cryptography: Use FIPS compliant algorithms for encryption, hashing, and signing: ENABLE
Error Stack trace
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at System.Security.Cryptography.CryptoConfig.CreateFromName(String name, Object[] args)
at System.Security.Cryptography.MD5.Create()
at #=zAFZhrBStm7AHCz0VQEX7O8UzyTrsAY4gjPiw66nuiJzidmEpqHwjJsI=.#=zSHrNFbY=(#=zoB62HX8H67v14$LQSJn3uNOFN1vqurjLLjlfOyA= #=zKk_K9rE=)
at #=z6HQ73iZOcVn4IPseLrDIRY9VrVtdAq0UXHOfkGv3GC_MbwLXhIAFP1g=.#=zoqRre7VtzC_GbmWIbg==(#=zoB62HX8H67v14$LQSJn3uNOFN1vqurjLLjlfOyA= #=zKk_K9rE=, List`1 #=ziCcL0ixRWu$d, Int32 #=zd9gM0Nq7$BHipG_K9g==)
at #=z6HQ73iZOcVn4IPseLrDIRY9VrVtdAq0UXHOfkGv3GC_MbwLXhIAFP1g=.#=zQjIdKJk=(#=zueUk47_OjtFeFFUxO$w1RMXAo47q2GW9U3k8hLTSR$Oo #=zKcdhHfLD5Hdw, #=zoB62HX8H67v14$LQSJn3uNOFN1vqurjLLjlfOyA= #=zKk_K9rE=, SaveOptions #=z5wBUYWT4kpcB)
at dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd.#=zoHteZx3MuBAH661QFmXUmduxifLC(Object #=z$D29mko=)
at dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd.#=zgTqsErzZQbTPeomzy24aqrw=(MethodBase #=z$D29mko=, Boolean #=zcKf3zwE=)
at dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd.#=zVnUNkOkcKer0WON0xw8DFRrQgoy5(dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd #=z$D29mko=, #=qSXkKALjjizp9UvDPhnfE_GVATyQDDXrrKGtVcwDv3Ss= #=zcKf3zwE=)
at dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd.#=zb4Ol60yEj6rgmzr8jnxvoDEqTIeH()
at dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd.#=z$msM_2IVqse$_LRaUljW3cxdhlW8(Boolean #=z$D29mko=)
at dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd.#=zoHteZx3MuBAH661QFmXUmduxifLC(Object #=z$D29mko=)
at dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd.#=zi2XeJjfvMUe5c_FeBZwgW8C9XPJQ()
at dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd.#=zUpkBwFH0zv2pN3wyKiAarz1U6RVnpoC2bRK807E=(Object #=z$D29mko=, UInt32 #=zcKf3zwE=)
at dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd.#=z$msM_2IVqse$_LRaUljW3cxdhlW8(Boolean #=z$D29mko=)
at dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd.#=zkUZVh9$AmyDTHwM2iT7cOoBTCuMlxNRWRdw8I8T7g$YH()
at dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd.#=zKmOL_TUZ50Q6CRK00yopKEbJNsI$znz6P84Cz3cIX9SG(Object[] #=z$D29mko=, Type[] #=zcKf3zwE=, Type[] #=zgeIXF2g=, Object[] #=zpfa5Jak=)
at dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd.#=zBPwEJbDZtm5t3u5pb7RqxpMYLNoTTFxOsL1f31c=(Stream #=z$D29mko=, String #=zcKf3zwE=, Object[] #=zgeIXF2g=, Type[] #=zpfa5Jak=, Type[] #=zvzodRNs=, Object[] #=zebKcfGo=)
at dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd.#=ziYPWOjKlC3nplqgQENEnhKo=(Stream #=z$D29mko=, String #=zcKf3zwE=, Object[] #=zgeIXF2g=)
at dje_qJHLKVF4YC2CRVNZ4CDB787H74KUEFJ6TVMRL969PC9RW4526AJ8Q_ejd.#=zfH28mbdSFf6f5z4YpOz4TG669DwQ(Stream #=z$D29mko=, String #=zcKf3zwE=, Object[] #=zgeIXF2g=)
at #=zdoRdcBLQ5Kf5FknnEt9mjd52yDChovlFMQ==.#=zQjIdKJk=(SaveOptions #=z5wBUYWT4kpcB)
at #=zhvfdLhrlyKCGbXHDBMeIXN7hkWKj9w43uw==.#=zQjIdKJk=(Stream #=zgnqD41Y=, SaveOptions #=z5wBUYWT4kpcB)
at #=zpTXy1z8btg2vAC_xg1rzQErgv0Vk.#=zQjIdKJk=(Stream #=zgnqD41Y=, SaveOptions #=z5wBUYWT4kpcB)
at Aspose.Pdf.Document.#=zRoSm$ePjZVmZ(Stream #=zumREUgY=, SaveOptions #=z5wBUYWT4kpcB)
at Aspose.Pdf.Document.Save(Stream output)
…
blank.pdf (25.0 KB)