diff --git a/pgpainless-core/src/main/kotlin/org/pgpainless/algorithm/OpenPgpPacket.kt b/pgpainless-core/src/main/kotlin/org/pgpainless/algorithm/OpenPgpPacket.kt
index 2041450a..17ec90e4 100644
--- a/pgpainless-core/src/main/kotlin/org/pgpainless/algorithm/OpenPgpPacket.kt
+++ b/pgpainless-core/src/main/kotlin/org/pgpainless/algorithm/OpenPgpPacket.kt
@@ -22,6 +22,7 @@ enum class OpenPgpPacket(val tag: Int) {
     UATTR(17),
     SEIPD(18),
     MDC(19),
+    OED(20),
     PADDING(21),
     EXP_1(60),
     EXP_2(61),
diff --git a/pgpainless-core/src/main/kotlin/org/pgpainless/decryption_verification/OpenPgpMessageInputStream.kt b/pgpainless-core/src/main/kotlin/org/pgpainless/decryption_verification/OpenPgpMessageInputStream.kt
index 216106b1..bd24b245 100644
--- a/pgpainless-core/src/main/kotlin/org/pgpainless/decryption_verification/OpenPgpMessageInputStream.kt
+++ b/pgpainless-core/src/main/kotlin/org/pgpainless/decryption_verification/OpenPgpMessageInputStream.kt
@@ -163,7 +163,8 @@ class OpenPgpMessageInputStream(
                 OpenPgpPacket.PKESK,
                 OpenPgpPacket.SKESK,
                 OpenPgpPacket.SED,
-                OpenPgpPacket.SEIPD -> {
+                OpenPgpPacket.SEIPD,
+                OpenPgpPacket.OED -> {
                     if (processEncryptedData()) {
                         break@layer
                     }
@@ -185,6 +186,10 @@ class OpenPgpMessageInputStream(
                 OpenPgpPacket.UID,
                 OpenPgpPacket.UATTR ->
                     throw MalformedOpenPgpMessageException("Illegal Packet in Stream: $packet")
+                OpenPgpPacket.PADDING -> {
+                    LOGGER.debug("Padding packet")
+                    pIn.readPadding()
+                }
                 OpenPgpPacket.EXP_1,
                 OpenPgpPacket.EXP_2,
                 OpenPgpPacket.EXP_3,
@@ -319,7 +324,7 @@ class OpenPgpMessageInputStream(
             "Symmetrically Encrypted Data Packet at depth ${layerMetadata.depth} encountered.")
         syntaxVerifier.next(InputSymbol.ENCRYPTED_DATA)
         val encDataList = packetInputStream!!.readEncryptedDataList()
-        if (!encDataList.isIntegrityProtected) {
+        if (!encDataList.isIntegrityProtected && !encDataList.get(0).isAEAD) {
             LOGGER.warn("Symmetrically Encrypted Data Packet is not integrity-protected.")
             if (!options.isIgnoreMDCErrors()) {
                 throw MessageNotIntegrityProtectedException()
diff --git a/pgpainless-core/src/main/kotlin/org/pgpainless/decryption_verification/TeeBCPGInputStream.kt b/pgpainless-core/src/main/kotlin/org/pgpainless/decryption_verification/TeeBCPGInputStream.kt
index 73c10e8a..a9b353ca 100644
--- a/pgpainless-core/src/main/kotlin/org/pgpainless/decryption_verification/TeeBCPGInputStream.kt
+++ b/pgpainless-core/src/main/kotlin/org/pgpainless/decryption_verification/TeeBCPGInputStream.kt
@@ -14,6 +14,7 @@ import org.bouncycastle.openpgp.PGPCompressedData
 import org.bouncycastle.openpgp.PGPEncryptedDataList
 import org.bouncycastle.openpgp.PGPLiteralData
 import org.bouncycastle.openpgp.PGPOnePassSignature
+import org.bouncycastle.openpgp.PGPPadding
 import org.bouncycastle.openpgp.PGPSignature
 import org.pgpainless.algorithm.OpenPgpPacket
 
@@ -75,6 +76,10 @@ class TeeBCPGInputStream(inputStream: BCPGInputStream, outputStream: OutputStrea
         return (readPacket() as MarkerPacket).also { delayedTee.squeeze() }
     }
 
+    fun readPadding(): PGPPadding {
+        return PGPPadding(packetInputStream).also { delayedTee.squeeze() }
+    }
+
     fun close() {
         packetInputStream.close()
     }