Fix tag for unprotectedAttrs field of Asn1.Cms.EncryptedData

- regression in 2.4.0

1 files changed, 1 insertions, 1 deletions

diff --git a/crypto/src/asn1/cms/EncryptedData.cs b/crypto/src/asn1/cms/EncryptedData.cs

index fe0ff2c23..04ea382c7 100644
--- a/crypto/src/asn1/cms/EncryptedData.cs
+++ b/crypto/src/asn1/cms/EncryptedData.cs
@@ -43,7 +43,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 
 			m_version = DerInteger.GetInstance(seq[pos++]);
 			m_encryptedContentInfo = EncryptedContentInfo.GetInstance(seq[pos++]);
-			m_unprotectedAttrs = Asn1Utilities.ReadOptionalContextTagged(seq, ref pos, 0, false, Asn1Set.GetInstance);
+			m_unprotectedAttrs = Asn1Utilities.ReadOptionalContextTagged(seq, ref pos, 1, false, Asn1Set.GetInstance);
 
             if (pos != count)
                 throw new ArgumentException("Unexpected elements in sequence", nameof(seq));