finish support for revision 5 encryption using aes 256 #34

2025-09-22 20:13:58 +08:00 · 2019-06-13 19:46:08 +01:00
parent d0a3cd398f
commit 4c716fcbd6
6 changed files with 52 additions and 35 deletions
--- a/src/UglyToad.PdfPig/Encryption/CryptHandler.cs
+++ b/src/UglyToad.PdfPig/Encryption/CryptHandler.cs
@@ -72,6 +72,10 @@
            {
                method = CryptDictionary.Method.AesV2;
            }
+            else if (cfmName == NameToken.Aesv3)
+            {
+                method = CryptDictionary.Method.AesV3;
+            }
            else
            {
                throw new PdfDocumentEncryptedException($"Unrecognized CFM option for crypt filter {cfm}: {cryptDictionaryToken}.");