diff --git a/lib/libnx/include/nx/ContentMetaBinary.h b/lib/libnx/include/nx/ContentMetaBinary.h
index c9f08cb..6bf2ddb 100644
--- a/lib/libnx/include/nx/ContentMetaBinary.h
+++ b/lib/libnx/include/nx/ContentMetaBinary.h
@@ -2,7 +2,7 @@
 #include <string>
 #include <fnd/MemoryBlob.h>
 #include <fnd/List.h>
-#include <nx/cmnt.h>
+#include <nx/cnmt.h>
 
 
 namespace nx
@@ -14,14 +14,14 @@ namespace nx
 		struct ContentInfo
 		{
 			crypto::sha::sSha256Hash hash;
-			byte_t nca_id[cmnt::kContentIdLen];
+			byte_t nca_id[cnmt::kContentIdLen];
 			size_t size;
-			cmnt::ContentType type;
+			cnmt::ContentType type;
 
 			ContentInfo& operator=(const ContentInfo& other)
 			{
 				hash = other.hash;
-				memcpy(nca_id, other.nca_id, cmnt::kContentIdLen);
+				memcpy(nca_id, other.nca_id, cnmt::kContentIdLen);
 				size = other.size;
 				type = other.type;
 				return *this;
@@ -30,7 +30,7 @@ namespace nx
 			bool operator==(const ContentInfo& other) const
 			{
 				return (hash == other.hash) \
-					&& (memcmp(nca_id, other.nca_id, cmnt::kContentIdLen) == 0) \
+					&& (memcmp(nca_id, other.nca_id, cnmt::kContentIdLen) == 0) \
 					&& (size == other.size) \
 					&& (type == other.type);
 			}
@@ -45,7 +45,7 @@ namespace nx
 		{
 			uint64_t id;
 			uint32_t version;
-			cmnt::ContentMetaType type;
+			cnmt::ContentMetaType type;
 			byte_t attributes;
 
 			ContentMetaInfo& operator=(const ContentMetaInfo& other)
@@ -71,6 +71,99 @@ namespace nx
 			}
 		};
 
+		struct ApplicationMetaExtendedHeader
+		{
+			uint64_t patch_id;
+			uint32_t required_system_version;
+
+			ApplicationMetaExtendedHeader& operator=(const ApplicationMetaExtendedHeader& other)
+			{
+				patch_id = other.patch_id;
+				required_system_version = other.required_system_version;
+				return *this;
+			}
+
+			bool operator==(const ApplicationMetaExtendedHeader& other) const
+			{
+				return (patch_id == other.patch_id) \
+					&& (required_system_version == other.required_system_version);
+			}
+
+			bool operator!=(const ApplicationMetaExtendedHeader& other) const
+			{
+				return !operator==(other);
+			}
+		};
+
+		struct PatchMetaExtendedHeader
+		{
+			uint64_t application_id;
+			uint32_t required_system_version;
+
+			PatchMetaExtendedHeader& operator=(const PatchMetaExtendedHeader& other)
+			{
+				application_id = other.application_id;
+				required_system_version = other.required_system_version;
+				return *this;
+			}
+
+			bool operator==(const PatchMetaExtendedHeader& other) const
+			{
+				return (application_id == other.application_id) \
+					&& (required_system_version == other.required_system_version);
+			}
+
+			bool operator!=(const PatchMetaExtendedHeader& other) const
+			{
+				return !operator==(other);
+			}
+		};
+
+		struct AddOnContentMetaExtendedHeader
+		{
+			uint64_t application_id;
+			uint32_t required_system_version;
+
+			AddOnContentMetaExtendedHeader& operator=(const AddOnContentMetaExtendedHeader& other)
+			{
+				application_id = other.application_id;
+				required_system_version = other.required_system_version;
+				return *this;
+			}
+
+			bool operator==(const AddOnContentMetaExtendedHeader& other) const
+			{
+				return (application_id == other.application_id) \
+					&& (required_system_version == other.required_system_version);
+			}
+
+			bool operator!=(const AddOnContentMetaExtendedHeader& other) const
+			{
+				return !operator==(other);
+			}
+		};
+
+		struct DeltaMetaExtendedHeader
+		{
+			uint64_t application_id;
+
+			DeltaMetaExtendedHeader& operator=(const DeltaMetaExtendedHeader& other)
+			{
+				application_id = other.application_id;
+				return *this;
+			}
+
+			bool operator==(const DeltaMetaExtendedHeader& other) const
+			{
+				return (application_id == other.application_id);
+			}
+
+			bool operator!=(const DeltaMetaExtendedHeader& other) const
+			{
+				return !operator==(other);
+			}
+		};
+
 		ContentMetaBinary();
 		ContentMetaBinary(const ContentMetaBinary& other);
 		ContentMetaBinary(const byte_t* bytes, size_t len);
@@ -92,14 +185,26 @@ namespace nx
 		uint32_t getTitleVersion() const;
 		void setTitleVersion(uint32_t version);
 
-		cmnt::ContentMetaType getType() const;
-		void setType(cmnt::ContentMetaType type);
+		cnmt::ContentMetaType getType() const;
+		void setType(cnmt::ContentMetaType type);
 
 		byte_t getAttributes() const;
 		void setAttributes(byte_t attributes);
 
-		uint32_t getRequiredSystemVersion() const;
-		void setRequiredSystemVersion(uint32_t version);
+		uint32_t getRequiredDownloadSystemVersion() const;
+		void setRequiredDownloadSystemVersion(uint32_t version);
+
+		const ApplicationMetaExtendedHeader& getApplicationMetaExtendedHeader() const;
+		void setApplicationMetaExtendedHeader(const ApplicationMetaExtendedHeader& exhdr);
+
+		const PatchMetaExtendedHeader& getPatchMetaExtendedHeader() const;
+		void setPatchMetaExtendedHeader(const PatchMetaExtendedHeader& exhdr);
+
+		const AddOnContentMetaExtendedHeader& getAddOnContentMetaExtendedHeader() const;
+		void setAddOnContentMetaExtendedHeader(const AddOnContentMetaExtendedHeader& exhdr);
+
+		const DeltaMetaExtendedHeader& getDeltaMetaExtendedHeader() const;
+		void setDeltaMetaExtendedHeader(const DeltaMetaExtendedHeader& exhdr);
 
 		const fnd::List<nx::ContentMetaBinary::ContentInfo>& getContentInfo() const;
 		void setContentInfo(const fnd::List<nx::ContentMetaBinary::ContentInfo>& info);
@@ -123,10 +228,16 @@ namespace nx
 		// variables
 		uint64_t mTitleId;
 		uint32_t mTitleVersion;
-		cmnt::ContentMetaType mType;
+		cnmt::ContentMetaType mType;
 		byte_t mAttributes;
-		uint32_t mRequiredSystemVersion;
+		uint32_t mRequiredDownloadSystemVersion;
 		fnd::MemoryBlob mExtendedHeader;
+
+		ApplicationMetaExtendedHeader mApplicationMetaExtendedHeader;
+		PatchMetaExtendedHeader mPatchMetaExtendedHeader;
+		AddOnContentMetaExtendedHeader mAddOnContentMetaExtendedHeader;
+		DeltaMetaExtendedHeader mDeltaMetaExtendedHeader;
+
 		fnd::List<nx::ContentMetaBinary::ContentInfo> mContentInfo;
 		fnd::List<nx::ContentMetaBinary::ContentMetaInfo> mContentMetaInfo;
 		fnd::MemoryBlob mExtendedData;
@@ -137,11 +248,11 @@ namespace nx
 		inline size_t getContentMetaInfoOffset(size_t exhdrSize, size_t contentInfoNum) const { return getContentInfoOffset(exhdrSize) + contentInfoNum * sizeof(sContentInfo); }
 		inline size_t getExtendedDataOffset(size_t exhdrSize, size_t contentInfoNum, size_t contentMetaNum) const { return getContentMetaInfoOffset(exhdrSize, contentInfoNum) + contentMetaNum * sizeof(sContentMetaInfo); }
 		inline size_t getDigestOffset(size_t exhdrSize, size_t contentInfoNum, size_t contentMetaNum, size_t exdataSize) const { return getExtendedDataOffset(exhdrSize, contentInfoNum, contentMetaNum) + exdataSize; }
-		inline size_t getTotalSize(size_t exhdrSize, size_t contentInfoNum, size_t contentMetaNum, size_t exdataSize) const { return getDigestOffset(exhdrSize, contentInfoNum, contentMetaNum, exdataSize) + cmnt::kDigestLen; }
+		inline size_t getTotalSize(size_t exhdrSize, size_t contentInfoNum, size_t contentMetaNum, size_t exdataSize) const { return getDigestOffset(exhdrSize, contentInfoNum, contentMetaNum, exdataSize) + cnmt::kDigestLen; }
 
-		bool validateExtendedHeaderSize(cmnt::ContentMetaType type, size_t exhdrSize);
-		size_t getExtendedDataSize(cmnt::ContentMetaType type, const byte_t* data);
-		void validateBinary(const byte_t* bytes, size_t len);
+		bool validateExtendedHeaderSize(cnmt::ContentMetaType type, size_t exhdrSize) const;
+		size_t getExtendedDataSize(cnmt::ContentMetaType type, const byte_t* data) const;
+		void validateBinary(const byte_t* bytes, size_t len) const;
 
 		bool isEqual(const ContentMetaBinary& other) const;
 		void copyFrom(const ContentMetaBinary& other);
diff --git a/lib/libnx/include/nx/cmnt.h b/lib/libnx/include/nx/cnmt.h
similarity index 90%
rename from lib/libnx/include/nx/cmnt.h
rename to lib/libnx/include/nx/cnmt.h
index 3b37bf0..8912a89 100644
--- a/lib/libnx/include/nx/cmnt.h
+++ b/lib/libnx/include/nx/cnmt.h
@@ -7,7 +7,7 @@
 
 namespace nx
 {
-	namespace cmnt
+	namespace cnmt
 	{
 		enum ContentType
 		{
@@ -43,7 +43,6 @@ namespace nx
 
 		enum ContentMetaAttribute
 		{
-			ATTRIBUTE_NONE,
 			ATTRIBUTE_INCLUDES_EX_FAT_DRIVER,
 			ATTRIBUTE_REBOOTLESS
 		};
@@ -79,14 +78,14 @@ namespace nx
 		le_uint16_t content_meta_count;
 		byte_t attributes;
 		byte_t reserved_1[3];
-		le_uint32_t required_system_version;
+		le_uint32_t required_download_system_version;
 		byte_t reserved_2[4];
 	};
 
 	struct sContentInfo
 	{
 		crypto::sha::sSha256Hash content_hash;
-		byte_t content_id[cmnt::kContentIdLen];
+		byte_t content_id[cnmt::kContentIdLen];
 		le_uint32_t size_lower;
 		le_uint16_t size_higher;
 		byte_t content_type;
@@ -104,14 +103,14 @@ namespace nx
 
 	struct sApplicationMetaExtendedHeader
 	{
-		le_uint64_t id;
+		le_uint64_t patch_id;
 		le_uint32_t required_system_version;
 		byte_t reserved[4];
 	};
 
 	struct sPatchMetaExtendedHeader
 	{
-		le_uint64_t id;
+		le_uint64_t application_id;
 		le_uint32_t required_system_version;
 		le_uint32_t extended_data_size;
 		byte_t reserved[8];
@@ -119,21 +118,21 @@ namespace nx
 
 	struct sAddOnContentMetaExtendedHeader
 	{
-		le_uint64_t id;
+		le_uint64_t application_id;
 		le_uint32_t required_system_version;
 		byte_t reserved[4];
 	};
 
 	struct sDeltaMetaExtendedHeader
 	{
-		le_uint64_t id;
+		le_uint64_t application_id;
 		le_uint32_t extended_data_size;
 		byte_t reserved[4];
 	};
 
 	struct sDigest
 	{
-		byte_t data[cmnt::kDigestLen];
+		byte_t data[cnmt::kDigestLen];
 	};
 #pragma pack(pop)
 }
\ No newline at end of file
diff --git a/lib/libnx/source/ContentMetaBinary.cpp b/lib/libnx/source/ContentMetaBinary.cpp
index 003da2f..450eb61 100644
--- a/lib/libnx/source/ContentMetaBinary.cpp
+++ b/lib/libnx/source/ContentMetaBinary.cpp
@@ -43,9 +43,9 @@ void nx::ContentMetaBinary::importBinary(const byte_t * bytes, size_t len)
 
 	mTitleId = hdr->id.get();
 	mTitleVersion = hdr->version.get();
-	mType = (cmnt::ContentMetaType)hdr->type;
+	mType = (cnmt::ContentMetaType)hdr->type;
 	mAttributes = hdr->attributes;
-	mRequiredSystemVersion = hdr->required_system_version.get();
+	mRequiredDownloadSystemVersion = hdr->required_download_system_version.get();
 	size_t exdata_size = 0;
 
 	// save exheader
@@ -54,6 +54,27 @@ void nx::ContentMetaBinary::importBinary(const byte_t * bytes, size_t len)
 		mExtendedHeader.alloc(hdr->exhdr_size.get());
 		memcpy(mExtendedHeader.getBytes(), bytes + getExtendedHeaderOffset(), hdr->exhdr_size.get());
 
+		switch (mType)
+		{
+			case (cnmt::METATYPE_APPLICATION):
+				mApplicationMetaExtendedHeader.patch_id = ((sApplicationMetaExtendedHeader*)mExtendedHeader.getBytes())->patch_id.get();
+				mApplicationMetaExtendedHeader.required_system_version = ((sApplicationMetaExtendedHeader*)mExtendedHeader.getBytes())->required_system_version.get();
+				break;
+			case (cnmt::METATYPE_PATCH):
+				mPatchMetaExtendedHeader.application_id = ((sPatchMetaExtendedHeader*)mExtendedHeader.getBytes())->application_id.get();
+				mPatchMetaExtendedHeader.required_system_version = ((sPatchMetaExtendedHeader*)mExtendedHeader.getBytes())->required_system_version.get();
+				break;
+			case (cnmt::METATYPE_ADD_ON_CONTENT):
+				mAddOnContentMetaExtendedHeader.application_id = ((sAddOnContentMetaExtendedHeader*)mExtendedHeader.getBytes())->application_id.get();
+				mAddOnContentMetaExtendedHeader.required_system_version = ((sAddOnContentMetaExtendedHeader*)mExtendedHeader.getBytes())->required_system_version.get();
+				break;
+			case (cnmt::METATYPE_DELTA):
+				mDeltaMetaExtendedHeader.application_id = ((sDeltaMetaExtendedHeader*)mExtendedHeader.getBytes())->application_id.get();
+				break;
+			default:
+				break;
+		}
+
 		exdata_size = getExtendedDataSize(mType, mExtendedHeader.getBytes());
 	}
 
@@ -64,9 +85,9 @@ void nx::ContentMetaBinary::importBinary(const byte_t * bytes, size_t len)
 		for (size_t i = 0; i < hdr->content_count.get(); i++)
 		{
 			mContentInfo[i].hash = info[i].content_hash;
-			memcpy(mContentInfo[i].nca_id, info[i].content_id, cmnt::kContentIdLen);
+			memcpy(mContentInfo[i].nca_id, info[i].content_id, cnmt::kContentIdLen);
 			mContentInfo[i].size = (uint64_t)(info[i].size_lower.get()) | (uint64_t)(info[i].size_higher.get()) << 32;
-			mContentInfo[i].type = (cmnt::ContentType)info[i].content_type;
+			mContentInfo[i].type = (cnmt::ContentType)info[i].content_type;
 		}
 	}
 
@@ -78,7 +99,7 @@ void nx::ContentMetaBinary::importBinary(const byte_t * bytes, size_t len)
 		{
 			mContentMetaInfo[i].id = info[i].id.get();
 			mContentMetaInfo[i].version = info[i].version.get();
-			mContentMetaInfo[i].type = (cmnt::ContentMetaType)info[i].type;
+			mContentMetaInfo[i].type = (cnmt::ContentMetaType)info[i].type;
 			mContentMetaInfo[i].attributes = info[i].attributes;
 		}
 	}
@@ -91,7 +112,7 @@ void nx::ContentMetaBinary::importBinary(const byte_t * bytes, size_t len)
 	}
 
 	// save digest
-	memcpy(mDigest.data, bytes + getDigestOffset(hdr->exhdr_size.get(), hdr->content_count.get(), hdr->content_meta_count.get(), exdata_size), cmnt::kDigestLen);
+	memcpy(mDigest.data, bytes + getDigestOffset(hdr->exhdr_size.get(), hdr->content_count.get(), hdr->content_meta_count.get(), exdata_size), cnmt::kDigestLen);
 
 }
 
@@ -100,14 +121,18 @@ void nx::ContentMetaBinary::clear()
 	mBinaryBlob.clear();
 	mTitleId = 0;
 	mTitleVersion = 0;
-	mType = cmnt::METATYPE_SYSTEM_PROGRAM;
-	mAttributes = cmnt::ATTRIBUTE_NONE;
-	mRequiredSystemVersion = 0;
+	mType = cnmt::METATYPE_SYSTEM_PROGRAM;
+	mAttributes = 0;
+	mRequiredDownloadSystemVersion = 0;
 	mExtendedHeader.clear();
+	memset(&mApplicationMetaExtendedHeader, 0, sizeof(mApplicationMetaExtendedHeader));
+	memset(&mPatchMetaExtendedHeader, 0, sizeof(mPatchMetaExtendedHeader));
+	memset(&mAddOnContentMetaExtendedHeader, 0, sizeof(mAddOnContentMetaExtendedHeader));
+	memset(&mDeltaMetaExtendedHeader, 0, sizeof(mDeltaMetaExtendedHeader));
 	mContentInfo.clear();
 	mContentMetaInfo.clear();
 	mExtendedData.clear();
-	memset(mDigest.data, 0, cmnt::kDigestLen);
+	memset(mDigest.data, 0, cnmt::kDigestLen);
 }
 
 uint64_t nx::ContentMetaBinary::getTitleId() const
@@ -130,12 +155,12 @@ void nx::ContentMetaBinary::setTitleVersion(uint32_t version)
 	mTitleVersion = version;
 }
 
-nx::cmnt::ContentMetaType nx::ContentMetaBinary::getType() const
+nx::cnmt::ContentMetaType nx::ContentMetaBinary::getType() const
 {
 	return mType;
 }
 
-void nx::ContentMetaBinary::setType(cmnt::ContentMetaType type)
+void nx::ContentMetaBinary::setType(cnmt::ContentMetaType type)
 {
 	mType = type;
 }
@@ -150,14 +175,54 @@ void nx::ContentMetaBinary::setAttributes(byte_t attributes)
 	mAttributes = attributes;
 }
 
-uint32_t nx::ContentMetaBinary::getRequiredSystemVersion() const
+uint32_t nx::ContentMetaBinary::getRequiredDownloadSystemVersion() const
 {
-	return mRequiredSystemVersion;
+	return mRequiredDownloadSystemVersion;
 }
 
-void nx::ContentMetaBinary::setRequiredSystemVersion(uint32_t version)
+void nx::ContentMetaBinary::setRequiredDownloadSystemVersion(uint32_t version)
 {
-	mRequiredSystemVersion = version;
+	mRequiredDownloadSystemVersion = version;
+}
+
+const nx::ContentMetaBinary::ApplicationMetaExtendedHeader& nx::ContentMetaBinary::getApplicationMetaExtendedHeader() const
+{
+	return mApplicationMetaExtendedHeader;
+}
+
+void nx::ContentMetaBinary::setApplicationMetaExtendedHeader(const ApplicationMetaExtendedHeader& exhdr)
+{
+	mApplicationMetaExtendedHeader = exhdr;
+}
+
+const nx::ContentMetaBinary::PatchMetaExtendedHeader& nx::ContentMetaBinary::getPatchMetaExtendedHeader() const
+{
+	return mPatchMetaExtendedHeader;
+}
+
+void nx::ContentMetaBinary::setPatchMetaExtendedHeader(const PatchMetaExtendedHeader& exhdr)
+{
+	mPatchMetaExtendedHeader = exhdr;
+}
+
+const nx::ContentMetaBinary::AddOnContentMetaExtendedHeader& nx::ContentMetaBinary::getAddOnContentMetaExtendedHeader() const
+{
+	return mAddOnContentMetaExtendedHeader;
+}
+
+void nx::ContentMetaBinary::setAddOnContentMetaExtendedHeader(const AddOnContentMetaExtendedHeader& exhdr)
+{
+	mAddOnContentMetaExtendedHeader = exhdr;
+}
+
+const nx::ContentMetaBinary::DeltaMetaExtendedHeader& nx::ContentMetaBinary::getDeltaMetaExtendedHeader() const
+{
+	return mDeltaMetaExtendedHeader;
+}
+
+void nx::ContentMetaBinary::setDeltaMetaExtendedHeader(const DeltaMetaExtendedHeader& exhdr)
+{
+	mDeltaMetaExtendedHeader = exhdr;
 }
 
 const fnd::List<nx::ContentMetaBinary::ContentInfo>& nx::ContentMetaBinary::getContentInfo() const
@@ -198,34 +263,43 @@ const nx::sDigest & nx::ContentMetaBinary::getDigest() const
 void nx::ContentMetaBinary::setDigest(const nx::sDigest & digest)
 {
 
-	memcpy(mDigest.data, digest.data, cmnt::kDigestLen);
+	memcpy(mDigest.data, digest.data, cnmt::kDigestLen);
 }
 
-bool nx::ContentMetaBinary::validateExtendedHeaderSize(cmnt::ContentMetaType type, size_t exhdrSize)
+bool nx::ContentMetaBinary::validateExtendedHeaderSize(cnmt::ContentMetaType type, size_t exhdrSize) const
 {
 	bool validSize = false;
 
-	if (type == cmnt::METATYPE_APPLICATION && exhdrSize == sizeof(sApplicationMetaExtendedHeader))
-		validSize = true;
-	else if (type == cmnt::METATYPE_PATCH && exhdrSize == sizeof(sPatchMetaExtendedHeader))
-		validSize = true;
-	else if (type == cmnt::METATYPE_ADD_ON_CONTENT && exhdrSize == sizeof(sAddOnContentMetaExtendedHeader))
-		validSize = true;
-	else if (type == cmnt::METATYPE_DELTA && exhdrSize == sizeof(sDeltaMetaExtendedHeader))
-		validSize = true;
+	switch (type)
+	{
+		case (cnmt::METATYPE_APPLICATION):
+			validSize = (exhdrSize == sizeof(sApplicationMetaExtendedHeader));
+			break;
+		case (cnmt::METATYPE_PATCH):
+			validSize = (exhdrSize == sizeof(sPatchMetaExtendedHeader));
+			break;
+		case (cnmt::METATYPE_ADD_ON_CONTENT):
+			validSize = (exhdrSize == sizeof(sAddOnContentMetaExtendedHeader));
+			break;
+		case (cnmt::METATYPE_DELTA):
+			validSize = (exhdrSize == sizeof(sDeltaMetaExtendedHeader));
+			break;
+		default:
+			validSize = (exhdrSize == 0);
+	}
 
 	return validSize;
 }
 
-size_t nx::ContentMetaBinary::getExtendedDataSize(cmnt::ContentMetaType type, const byte_t * data)
+size_t nx::ContentMetaBinary::getExtendedDataSize(cnmt::ContentMetaType type, const byte_t * data) const
 {
 	size_t exdata_len = 0;
-	if (type == cmnt::METATYPE_PATCH)
+	if (type == cnmt::METATYPE_PATCH)
 	{
 		const sPatchMetaExtendedHeader* exhdr = (const sPatchMetaExtendedHeader*)(data);
 		exdata_len = exhdr->extended_data_size.get();
 	}
-	else if (type == cmnt::METATYPE_DELTA)
+	else if (type == cnmt::METATYPE_DELTA)
 	{
 		const sDeltaMetaExtendedHeader* exhdr = (const sDeltaMetaExtendedHeader*)(data);
 		exdata_len = exhdr->extended_data_size.get();
@@ -233,7 +307,7 @@ size_t nx::ContentMetaBinary::getExtendedDataSize(cmnt::ContentMetaType type, co
 	return exdata_len;
 }
 
-void nx::ContentMetaBinary::validateBinary(const byte_t * bytes, size_t len)
+void nx::ContentMetaBinary::validateBinary(const byte_t * bytes, size_t len) const
 {
 	// check if it is large enough to read the header
 	if (len < sizeof(sContentMetaHeader))
@@ -245,7 +319,7 @@ void nx::ContentMetaBinary::validateBinary(const byte_t * bytes, size_t len)
 	const sContentMetaHeader* hdr = (const sContentMetaHeader*)bytes;
 
 	// validate extended header size
-	if (validateExtendedHeaderSize((cmnt::ContentMetaType)hdr->type, hdr->exhdr_size.get()) == false)
+	if (validateExtendedHeaderSize((cnmt::ContentMetaType)hdr->type, hdr->exhdr_size.get()) == false)
 	{
 		throw fnd::Exception(kModuleName, "Invalid extended header size");
 	}
@@ -257,7 +331,7 @@ void nx::ContentMetaBinary::validateBinary(const byte_t * bytes, size_t len)
 	}
 
 	// check binary size again with extended data size
-	if (len < getTotalSize(hdr->exhdr_size.get(), hdr->content_count.get(), hdr->content_meta_count.get(), getExtendedDataSize((cmnt::ContentMetaType)hdr->type, bytes + getExtendedHeaderOffset())))
+	if (len < getTotalSize(hdr->exhdr_size.get(), hdr->content_count.get(), hdr->content_meta_count.get(), getExtendedDataSize((cnmt::ContentMetaType)hdr->type, bytes + getExtendedHeaderOffset())))
 	{
 		throw fnd::Exception(kModuleName, "Binary too small");
 	}
@@ -269,12 +343,16 @@ bool nx::ContentMetaBinary::isEqual(const ContentMetaBinary & other) const
 		&& (mTitleVersion == other.mTitleVersion) \
 		&& (mType == other.mType) \
 		&& (mAttributes == other.mAttributes) \
-		&& (mRequiredSystemVersion == other.mRequiredSystemVersion) \
+		&& (mRequiredDownloadSystemVersion == other.mRequiredDownloadSystemVersion) \
 		&& (mExtendedHeader == other.mExtendedHeader) \
+		&& (mApplicationMetaExtendedHeader == other.mApplicationMetaExtendedHeader) \
+		&& (mPatchMetaExtendedHeader == other.mPatchMetaExtendedHeader) \
+		&& (mAddOnContentMetaExtendedHeader == other.mAddOnContentMetaExtendedHeader) \
+		&& (mDeltaMetaExtendedHeader == other.mDeltaMetaExtendedHeader) \
 		&& (mContentInfo == other.mContentInfo) \
 		&& (mContentMetaInfo == other.mContentMetaInfo) \
 		&& (mExtendedData == other.mExtendedData) \
-		&& (memcmp(mDigest.data, other.mDigest.data, cmnt::kDigestLen) == 0);
+		&& (memcmp(mDigest.data, other.mDigest.data, cnmt::kDigestLen) == 0);
 }
 
 void nx::ContentMetaBinary::copyFrom(const ContentMetaBinary & other)
@@ -290,11 +368,15 @@ void nx::ContentMetaBinary::copyFrom(const ContentMetaBinary & other)
 		mTitleVersion = other.mTitleVersion;
 		mType = other.mType;
 		mAttributes = other.mAttributes;
-		mRequiredSystemVersion = other.mRequiredSystemVersion;
+		mRequiredDownloadSystemVersion = other.mRequiredDownloadSystemVersion;
 		mExtendedHeader = other.mExtendedHeader;
+		mApplicationMetaExtendedHeader = other.mApplicationMetaExtendedHeader;
+		mPatchMetaExtendedHeader = other.mPatchMetaExtendedHeader;
+		mAddOnContentMetaExtendedHeader = other.mAddOnContentMetaExtendedHeader;
+		mDeltaMetaExtendedHeader = other.mDeltaMetaExtendedHeader;
 		mContentInfo = other.mContentInfo;
 		mContentMetaInfo = other.mContentMetaInfo;
 		mExtendedData = other.mExtendedData;
-		memcpy(mDigest.data, other.mDigest.data, cmnt::kDigestLen);
+		memcpy(mDigest.data, other.mDigest.data, cnmt::kDigestLen);
 	}
 }
diff --git a/programs/nstool/source/CmntProcess.cpp b/programs/nstool/source/CmntProcess.cpp
deleted file mode 100644
index d321c22..0000000
--- a/programs/nstool/source/CmntProcess.cpp
+++ /dev/null
@@ -1 +0,0 @@
-#include "CmntProcess.h"
\ No newline at end of file
diff --git a/programs/nstool/source/CmntProcess.h b/programs/nstool/source/CmntProcess.h
deleted file mode 100644
index 6f70f09..0000000
--- a/programs/nstool/source/CmntProcess.h
+++ /dev/null
@@ -1 +0,0 @@
-#pragma once
diff --git a/programs/nstool/source/CnmtProcess.cpp b/programs/nstool/source/CnmtProcess.cpp
new file mode 100644
index 0000000..5aade5c
--- /dev/null
+++ b/programs/nstool/source/CnmtProcess.cpp
@@ -0,0 +1,185 @@
+#include <fnd/SimpleTextOutput.h>
+#include "OffsetAdjustedIFile.h"
+#include "CnmtProcess.h"
+
+const std::string kContentTypeStr[7] =
+{
+	"Meta",
+	"Program",
+	"Data",
+	"Control",
+	"HtmlDocument",
+	"LegalInformation",
+	"DeltaFragment"
+};
+
+const std::string kContentMetaTypeStr[2][0x80] =
+{
+	{
+		""
+		"SystemProgram",
+		"SystemData",
+		"SystemUpdate",
+		"BootImagePackage",
+		"BootImagePackageSafe"
+	},
+	{
+		"Application",
+		"Patch",
+		"AddOnContent",
+		"Delta"
+	}
+};
+
+inline const std::string& getContentMetaTypeStr(byte_t index)
+{
+	return (index < 0x80) ? kContentMetaTypeStr[0][index] : kContentMetaTypeStr[1][index-0x80];
+}
+
+const std::string kUpdateTypeStr[3] =
+{
+	"ApplyAsDelta",
+	"Overwrite",
+	"Create"
+};
+
+const std::string kContentMetaAttrStr[3] =
+{
+	"IncludesExFatDriver",
+	"Rebootless"
+};
+
+inline const char* getBoolStr(bool isTrue)
+{
+	return isTrue? "TRUE" : "FALSE";
+}
+
+void CnmtProcess::displayCmnt()
+{
+#define _SPLIT_VER(ver) ( (ver>>24) & 0xff), ( (ver>>16) & 0xff), ( (ver>>8) & 0xff), (ver & 0xff)
+
+	printf("[ContentMeta]\n");
+	printf("  TitleId:               0x%" PRIx64 "\n", mCnmt.getTitleId());
+	uint32_t ver = mCnmt.getTitleVersion();
+	printf("  Version:               v%d.%d.%d-%d (v%" PRId32 ")\n", _SPLIT_VER(ver), ver);
+	printf("  Type:                  %s\n", getContentMetaTypeStr(mCnmt.getType()).c_str());
+	printf("  Attributes:            %x\n", mCnmt.getAttributes());
+	printf("    IncludesExFatDriver: %s\n", getBoolStr(_HAS_BIT(mCnmt.getAttributes(), nx::cnmt::ATTRIBUTE_INCLUDES_EX_FAT_DRIVER)));
+	printf("    Rebootless:          %s\n", getBoolStr(_HAS_BIT(mCnmt.getAttributes(), nx::cnmt::ATTRIBUTE_REBOOTLESS)));
+	ver = mCnmt.getRequiredDownloadSystemVersion();
+	printf("  RequiredDownloadSystemVersion: v%d.%d.%d-%d (v%" PRId32 ")\n", _SPLIT_VER(ver), ver);
+	switch(mCnmt.getType())
+	{
+		case (nx::cnmt::METATYPE_APPLICATION):
+			printf("  ApplicationExtendedHeader:\n");
+			printf("    RequiredSystemVersion: %" PRId32 "\n", mCnmt.getApplicationMetaExtendedHeader().required_system_version);
+			printf("    PatchId:               0x%016" PRIx64 "\n", mCnmt.getApplicationMetaExtendedHeader().patch_id);
+			break;
+		case (nx::cnmt::METATYPE_PATCH):
+			printf("  PatchMetaExtendedHeader:\n");
+			printf("    RequiredSystemVersion: %" PRId32 "\n", mCnmt.getPatchMetaExtendedHeader().required_system_version);
+			printf("    ApplicationId:         0x%016" PRIx64 "\n", mCnmt.getPatchMetaExtendedHeader().application_id);
+			break;
+		case (nx::cnmt::METATYPE_ADD_ON_CONTENT):
+			printf("  AddOnContentMetaExtendedHeader:\n");
+			printf("    RequiredSystemVersion: %" PRId32 "\n", mCnmt.getAddOnContentMetaExtendedHeader().required_system_version);
+			printf("    ApplicationId:         0x%016" PRIx64 "\n", mCnmt.getAddOnContentMetaExtendedHeader().application_id);
+			break;
+		case (nx::cnmt::METATYPE_DELTA):
+			printf("  DeltaMetaExtendedHeader:\n");
+			printf("    ApplicationId:         0x%016" PRIx64 "\n", mCnmt.getDeltaMetaExtendedHeader().application_id);
+			break;
+		default:
+			break;
+	}
+	if (mCnmt.getContentInfo().getSize() > 0)
+	{
+		printf("  ContentInfo:\n");
+		for (size_t i = 0; i < mCnmt.getContentInfo().getSize(); i++)
+		{
+			const nx::ContentMetaBinary::ContentInfo& info = mCnmt.getContentInfo()[i];
+			printf("    %d\n", i);
+			printf("      Type:         %s\n", kContentTypeStr[info.type].c_str());
+			printf("      Id:           ");
+			fnd::SimpleTextOutput::hexDump(info.nca_id, nx::cnmt::kContentIdLen);
+			printf("      Size:         0x%" PRIx64 "\n", info.size);
+			printf("      Hash:         ");
+			fnd::SimpleTextOutput::hexDump(info.hash.bytes, sizeof(info.hash));
+		}
+	}
+	if (mCnmt.getContentMetaInfo().getSize() > 0)
+	{
+		printf("  ContentMetaInfo:\n");
+		for (size_t i = 0; i < mCnmt.getContentMetaInfo().getSize(); i++)
+		{
+			const nx::ContentMetaBinary::ContentMetaInfo& info = mCnmt.getContentMetaInfo()[i];
+			printf("    %d\n", i);
+			printf("      Id:           0x%" PRIx64 "\n", info.id);
+			ver = info.version;
+			printf("      Version:      v%d.%d.%d-%d (v%" PRId32 ")\n", _SPLIT_VER(ver), ver);
+			printf("      Type:         %s\n", getContentMetaTypeStr(info.type).c_str());
+			printf("      Attributes:   %x\n", mCnmt.getAttributes());
+			printf("        IncludesExFatDriver: %s\n", getBoolStr(_HAS_BIT(mCnmt.getAttributes(), nx::cnmt::ATTRIBUTE_INCLUDES_EX_FAT_DRIVER)));
+			printf("        Rebootless:          %s\n", getBoolStr(_HAS_BIT(mCnmt.getAttributes(), nx::cnmt::ATTRIBUTE_REBOOTLESS)));
+		}
+	}
+	printf("  Digest:   ");
+	fnd::SimpleTextOutput::hexDump(mCnmt.getDigest().data, nx::cnmt::kDigestLen);
+
+#undef _SPLIT_VER
+}
+
+CnmtProcess::CnmtProcess() :
+	mReader(nullptr),
+	mCliOutputType(OUTPUT_NORMAL),
+	mVerify(false)
+{
+}
+
+CnmtProcess::~CnmtProcess()
+{
+	if (mReader != nullptr)
+	{
+		delete mReader;
+	}
+}
+
+void CnmtProcess::process()
+{
+	fnd::MemoryBlob scratch;
+
+	if (mReader == nullptr)
+	{
+		throw fnd::Exception(kModuleName, "No file reader set.");
+	}
+
+	scratch.alloc(mReader->size());
+	mReader->read(scratch.getBytes(), 0, scratch.getSize());
+
+	mCnmt.importBinary(scratch.getBytes(), scratch.getSize());
+
+	if (mCliOutputType >= OUTPUT_NORMAL)
+	{
+		displayCmnt();
+	}
+}
+
+void CnmtProcess::setInputFile(fnd::IFile* file, size_t offset, size_t size)
+{
+	mReader = new OffsetAdjustedIFile(file, offset, size);
+}
+
+void CnmtProcess::setCliOutputMode(CliOutputType type)
+{
+	mCliOutputType = type;
+}
+
+void CnmtProcess::setVerifyMode(bool verify)
+{
+	mVerify = verify;
+}
+
+const nx::ContentMetaBinary& CnmtProcess::getContentMetaBinary() const
+{
+	return mCnmt;
+}
diff --git a/programs/nstool/source/CnmtProcess.h b/programs/nstool/source/CnmtProcess.h
new file mode 100644
index 0000000..4e57947
--- /dev/null
+++ b/programs/nstool/source/CnmtProcess.h
@@ -0,0 +1,33 @@
+#pragma once
+#include <string>
+#include <fnd/types.h>
+#include <fnd/IFile.h>
+#include <nx/ContentMetaBinary.h>
+
+#include "nstool.h"
+
+class CnmtProcess
+{
+public:
+	CnmtProcess();
+	~CnmtProcess();
+
+	void process();
+
+	void setInputFile(fnd::IFile* file, size_t offset, size_t size);
+	void setCliOutputMode(CliOutputType type);
+	void setVerifyMode(bool verify);
+
+	const nx::ContentMetaBinary& getContentMetaBinary() const;
+
+private:
+	const std::string kModuleName = "CnmtProcess";
+
+	fnd::IFile* mReader;
+	CliOutputType mCliOutputType;
+	bool mVerify;
+
+	nx::ContentMetaBinary mCnmt;
+
+	void displayCmnt();
+};
\ No newline at end of file
diff --git a/programs/nstool/source/NcaProcess.cpp b/programs/nstool/source/NcaProcess.cpp
index 97d0d4d..eb1a8a3 100644
--- a/programs/nstool/source/NcaProcess.cpp
+++ b/programs/nstool/source/NcaProcess.cpp
@@ -2,10 +2,10 @@
 #include <fnd/SimpleTextOutput.h>
 #include <nx/NcaUtils.h>
 #include <nx/AesKeygen.h>
-#include <nx/NpdmBinary.h>
 #include "NcaProcess.h"
 #include "PfsProcess.h"
 #include "RomfsProcess.h"
+#include "NpdmProcess.h"
 #include "OffsetAdjustedIFile.h"
 #include "AesCtrWrappedIFile.h"
 #include "CopiedIFile.h"
@@ -199,10 +199,11 @@ void NcaProcess::generatePartitionConfiguration()
 				throw fnd::Exception(kModuleName, error.str());
 		}
 
-		// determine the data offset
+		// determine the data offset & size
 		if (mPartitions[partition.index].hash_type == nx::nca::HASH_HIERARCHICAL_SHA256)
 		{
 			mPartitions[partition.index].data_offset = mPartitions[partition.index].hierarchicalsha256_header.hash_target.offset.get();
+			mPartitions[partition.index].data_size = mPartitions[partition.index].hierarchicalsha256_header.hash_target.size.get();
 		}
 		else if (mPartitions[partition.index].hash_type == nx::nca::HASH_HIERARCHICAL_INTERGRITY)
 		{
@@ -211,6 +212,7 @@ void NcaProcess::generatePartitionConfiguration()
 				if (mPartitions[partition.index].ivfc_header.level_header[nx::ivfc::kMaxIvfcLevel-1-j].logical_offset.get() != 0)
 				{
 					mPartitions[partition.index].data_offset = mPartitions[partition.index].ivfc_header.level_header[nx::ivfc::kMaxIvfcLevel-1-j].logical_offset.get();
+					mPartitions[partition.index].data_size = mPartitions[partition.index].ivfc_header.level_header[nx::ivfc::kMaxIvfcLevel-1-j].hash_data_size.get();
 					break;
 				}
 			}
@@ -245,25 +247,21 @@ void NcaProcess::validateNcaSignatures()
 			if (mPartitions[0].reader != nullptr)
 			{
 				PfsProcess exefs;
-				exefs.setInputFile(mPartitions[0].reader);
-				exefs.setInputFileOffset(mPartitions[0].offset + mPartitions[0].data_offset);
+				exefs.setInputFile(mPartitions[0].reader, mPartitions[0].offset + mPartitions[0].data_offset, mPartitions[0].data_size);
 				exefs.setCliOutputMode(OUTPUT_MINIMAL);
 				exefs.process();
 
 				// open main.npdm
 				if (exefs.getPfsHeader().getFileList().hasElement(kNpdmExefsPath) == true)
 				{
-					const nx::PfsHeader::sFile& npdmFile = exefs.getPfsHeader().getFileList()[exefs.getPfsHeader().getFileList().getIndexOf(kNpdmExefsPath)];
+					const nx::PfsHeader::sFile& file = exefs.getPfsHeader().getFileList()[exefs.getPfsHeader().getFileList().getIndexOf(kNpdmExefsPath)];
 
-					fnd::MemoryBlob scratch;
-					scratch.alloc(npdmFile.size);
-					mPartitions[0].reader->read(scratch.getBytes(), mPartitions[0].offset + mPartitions[0].data_offset + npdmFile.offset, npdmFile.size);
+					NpdmProcess npdm;
+					npdm.setInputFile(mPartitions[0].reader, mPartitions[0].offset + mPartitions[0].data_offset + file.offset, file.size);
+					npdm.setCliOutputMode(OUTPUT_MINIMAL);
+					npdm.process();
 
-					nx::NpdmBinary npdmBinary;
-
-					npdmBinary.importBinary(scratch.getBytes(), scratch.getSize());
-
-					if (crypto::rsa::pss::rsaVerify(npdmBinary.getAcid().getNcaHeader2RsaKey(), crypto::sha::HASH_SHA256, mHdrHash.bytes, mHdrBlock.signature_acid) != 0)
+					if (crypto::rsa::pss::rsaVerify(npdm.getNpdmBinary().getAcid().getNcaHeader2RsaKey(), crypto::sha::HASH_SHA256, mHdrHash.bytes, mHdrBlock.signature_acid) != 0)
 					{
 						// this is minimal even though it's a warning because it's a validation method
 						if (mCliOutputType >= OUTPUT_MINIMAL)
@@ -429,8 +427,7 @@ void NcaProcess::processPartitions()
 		if (partition.format_type == nx::nca::FORMAT_PFS0)
 		{
 			PfsProcess pfs;
-			pfs.setInputFile(partition.reader);
-			pfs.setInputFileOffset(partition.offset + partition.data_offset);
+			pfs.setInputFile(partition.reader, partition.offset + partition.data_offset, partition.data_size);
 			pfs.setCliOutputMode(mCliOutputType);
 			pfs.setListFs(mListFs);
 			if (mPartitionPath[index].doExtract)
@@ -442,8 +439,7 @@ void NcaProcess::processPartitions()
 		else if (partition.format_type == nx::nca::FORMAT_ROMFS)
 		{
 			RomfsProcess romfs;
-			romfs.setInputFile(partition.reader);
-			romfs.setInputFileOffset(partition.offset + partition.data_offset);
+			romfs.setInputFile(partition.reader, partition.offset + partition.data_offset, partition.data_size);
 			romfs.setCliOutputMode(mCliOutputType);
 			romfs.setListFs(mListFs);
 			if (mPartitionPath[index].doExtract)
@@ -457,7 +453,6 @@ void NcaProcess::processPartitions()
 
 NcaProcess::NcaProcess() :
 	mReader(nullptr),
-	mOffset(0),
 	mKeyset(nullptr),
 	mCliOutputType(OUTPUT_NORMAL),
 	mVerify(false),
@@ -472,6 +467,11 @@ NcaProcess::NcaProcess() :
 
 NcaProcess::~NcaProcess()
 {
+	if (mReader != nullptr)
+	{
+		delete mReader;
+	}
+
 	for (size_t i = 0; i < nx::nca::kPartitionNum; i++)
 	{
 		if (mPartitions[i].reader != nullptr)
@@ -491,7 +491,7 @@ void NcaProcess::process()
 	}
 	
 	// read header block
-	mReader->read((byte_t*)&mHdrBlock, mOffset, sizeof(nx::sNcaHeaderBlock));
+	mReader->read((byte_t*)&mHdrBlock, 0, sizeof(nx::sNcaHeaderBlock));
 	
 	// decrypt header block
 	nx::NcaUtils::decryptNcaHeader((byte_t*)&mHdrBlock, (byte_t*)&mHdrBlock, mKeyset->nca.header_key);
@@ -539,22 +539,11 @@ void NcaProcess::process()
 	  so the verification text can be presented without interuption
 
 	*/
-
-
-	// decrypt key area
-	
-
-	
 }
 
-void NcaProcess::setInputFile(fnd::IFile* reader)
+void NcaProcess::setInputFile(fnd::IFile* file, size_t offset, size_t size)
 {
-	mReader = reader;
-}
-
-void NcaProcess::setInputFileOffset(size_t offset)
-{
-	mOffset = offset;
+	mReader = new OffsetAdjustedIFile(file, offset, size);
 }
 
 void NcaProcess::setKeyset(const sKeyset* keyset)
diff --git a/programs/nstool/source/NcaProcess.h b/programs/nstool/source/NcaProcess.h
index c5dced0..1505d77 100644
--- a/programs/nstool/source/NcaProcess.h
+++ b/programs/nstool/source/NcaProcess.h
@@ -15,8 +15,7 @@ public:
 	void process();
 
 	// generic
-	void setInputFile(fnd::IFile* reader);
-	void setInputFileOffset(size_t offset);
+	void setInputFile(fnd::IFile* file, size_t offset, size_t size);
 	void setKeyset(const sKeyset* keyset);
 	void setCliOutputMode(CliOutputType type);
 	void setVerifyMode(bool verify);
@@ -34,7 +33,6 @@ private:
 
 	// user options
 	fnd::IFile* mReader;
-	size_t mOffset;
 	const sKeyset* mKeyset;
 	CliOutputType mCliOutputType;
 	bool mVerify;
@@ -63,8 +61,9 @@ private:
 	{
 		fnd::IFile* reader;
 		size_t offset;
-		size_t data_offset;
 		size_t size;
+		size_t data_offset;
+		size_t data_size;
 		nx::nca::FormatType format_type;
 		nx::nca::HashType hash_type;
 
diff --git a/programs/nstool/source/NpdmProcess.cpp b/programs/nstool/source/NpdmProcess.cpp
index aeac024..5c3c5d7 100644
--- a/programs/nstool/source/NpdmProcess.cpp
+++ b/programs/nstool/source/NpdmProcess.cpp
@@ -1,6 +1,5 @@
+#include "OffsetAdjustedIFile.h"
 #include "NpdmProcess.h"
-#include <fnd/SimpleFile.h>
-#include <fnd/MemoryBlob.h>
 
 const std::string kInstructionType[2] = { "32Bit", "64Bit" };
 const std::string kProcAddrSpace[4] = { "Unknown", "64Bit", "32Bit", "32Bit no reserved" };
@@ -619,13 +618,20 @@ void NpdmProcess::displayKernelCap(const nx::KcBinary& kern)
 
 NpdmProcess::NpdmProcess() :
 	mReader(nullptr),
-	mOffset(0),
 	mKeyset(nullptr),
 	mCliOutputType(OUTPUT_NORMAL),
 	mVerify(false)
 {
 }
 
+NpdmProcess::~NpdmProcess()
+{
+	if (mReader != nullptr)
+	{
+		delete mReader;
+	}
+}
+
 void NpdmProcess::process()
 {
 	fnd::MemoryBlob scratch;
@@ -665,14 +671,9 @@ void NpdmProcess::process()
 	}
 }
 
-void NpdmProcess::setInputFile(fnd::IFile* reader)
+void NpdmProcess::setInputFile(fnd::IFile* file, size_t offset, size_t size)
 {
-	mReader = reader;
-}
-
-void NpdmProcess::setInputFileOffset(size_t offset)
-{
-	mOffset = offset;
+	mReader = new OffsetAdjustedIFile(file, offset, size);
 }
 
 void NpdmProcess::setKeyset(const sKeyset* keyset)
@@ -688,4 +689,9 @@ void NpdmProcess::setCliOutputMode(CliOutputType type)
 void NpdmProcess::setVerifyMode(bool verify)
 {
 	mVerify = verify;
+}
+
+const nx::NpdmBinary& NpdmProcess::getNpdmBinary() const
+{
+	return mNpdm;
 }
\ No newline at end of file
diff --git a/programs/nstool/source/NpdmProcess.h b/programs/nstool/source/NpdmProcess.h
index ece7623..e14cbd0 100644
--- a/programs/nstool/source/NpdmProcess.h
+++ b/programs/nstool/source/NpdmProcess.h
@@ -10,20 +10,21 @@ class NpdmProcess
 {
 public:
 	NpdmProcess();
+	~NpdmProcess();
 
 	void process();
 
-	void setInputFile(fnd::IFile* reader);
-	void setInputFileOffset(size_t offset);
+	void setInputFile(fnd::IFile* file, size_t offset, size_t size);
 	void setKeyset(const sKeyset* keyset);
 	void setCliOutputMode(CliOutputType type);
 	void setVerifyMode(bool verify);
 
+	const nx::NpdmBinary& getNpdmBinary() const;
+
 private:
 	const std::string kModuleName = "NpdmProcess";
 
 	fnd::IFile* mReader;
-	size_t mOffset;
 	const sKeyset* mKeyset;
 	CliOutputType mCliOutputType;
 	bool mVerify;
diff --git a/programs/nstool/source/OffsetAdjustedIFile.cpp b/programs/nstool/source/OffsetAdjustedIFile.cpp
index bda80d6..e9f7231 100644
--- a/programs/nstool/source/OffsetAdjustedIFile.cpp
+++ b/programs/nstool/source/OffsetAdjustedIFile.cpp
@@ -16,7 +16,7 @@ size_t OffsetAdjustedIFile::size()
 
 void OffsetAdjustedIFile::seek(size_t offset)
 {
-	mCurrentOffset = offset;
+	mCurrentOffset = MIN(offset, mSize);
 	mFile->seek(offset + mBaseOffset);
 }
 
diff --git a/programs/nstool/source/PfsProcess.cpp b/programs/nstool/source/PfsProcess.cpp
index 452f38a..b108c2c 100644
--- a/programs/nstool/source/PfsProcess.cpp
+++ b/programs/nstool/source/PfsProcess.cpp
@@ -1,6 +1,7 @@
-#include "PfsProcess.h"
 #include <fnd/SimpleFile.h>
 #include <fnd/io.h>
+#include "OffsetAdjustedIFile.h"
+#include "PfsProcess.h"
 
 void PfsProcess::displayHeader()
 {
@@ -55,7 +56,7 @@ void PfsProcess::validateHfs()
 	for (size_t i = 0; i < file.getSize(); i++)
 	{
 		scratch.alloc(file[i].hash_protected_size);
-		mReader->read(scratch.getBytes(), mOffset + file[i].offset, file[i].hash_protected_size);
+		mReader->read(scratch.getBytes(), file[i].offset, file[i].hash_protected_size);
 		crypto::sha::Sha256(scratch.getBytes(), scratch.getSize(), hash.bytes);
 		if (hash != file[i].hash)
 		{
@@ -85,7 +86,7 @@ void PfsProcess::extractFs()
 		fnd::io::appendToPath(file_path, mExtractPath);
 		fnd::io::appendToPath(file_path, file[i].name);
 		outFile.open(file_path, outFile.Create);
-		mReader->seek(mOffset + file[i].offset);
+		mReader->seek(file[i].offset);
 		for (size_t j = 0; j < (file[i].size / kFileExportBlockSize); j++)
 		{
 			mReader->read(scratch.getBytes(), kFileExportBlockSize);
@@ -102,8 +103,6 @@ void PfsProcess::extractFs()
 
 PfsProcess::PfsProcess() :
 	mReader(nullptr),
-	mOffset(0),
-	mKeyset(nullptr),
 	mCliOutputType(OUTPUT_NORMAL),
 	mVerify(false),
 	mExtractPath(),
@@ -112,7 +111,14 @@ PfsProcess::PfsProcess() :
 	mListFs(false),
 	mPfs()
 {
+}
 
+PfsProcess::~PfsProcess()
+{
+	if (mReader != nullptr)
+	{
+		delete mReader;
+	}
 }
 
 void PfsProcess::process()
@@ -126,7 +132,7 @@ void PfsProcess::process()
 	
 	// open minimum header to get full header size
 	scratch.alloc(sizeof(nx::sPfsHeader));
-	mReader->read(scratch.getBytes(), mOffset, scratch.getSize());
+	mReader->read(scratch.getBytes(), 0, scratch.getSize());
 	if (validateHeaderMagic(((nx::sPfsHeader*)scratch.getBytes())) == false)
 	{
 		throw fnd::Exception(kModuleName, "Corrupt Header");
@@ -135,7 +141,7 @@ void PfsProcess::process()
 	
 	// open minimum header to get full header size
 	scratch.alloc(pfsHeaderSize);
-	mReader->read(scratch.getBytes(), mOffset, scratch.getSize());
+	mReader->read(scratch.getBytes(), 0, scratch.getSize());
 	mPfs.importBinary(scratch.getBytes(), scratch.getSize());
 
 	if (mCliOutputType >= OUTPUT_NORMAL)
@@ -148,19 +154,9 @@ void PfsProcess::process()
 		extractFs();
 }
 
-void PfsProcess::setInputFile(fnd::IFile* reader)
+void PfsProcess::setInputFile(fnd::IFile* file, size_t offset, size_t size)
 {
-	mReader = reader;
-}
-
-void PfsProcess::setInputFileOffset(size_t offset)
-{
-	mOffset = offset;
-}
-
-void PfsProcess::setKeyset(const sKeyset* keyset)
-{
-	mKeyset = keyset;
+	mReader = new OffsetAdjustedIFile(file, offset, size);
 }
 
 void PfsProcess::setCliOutputMode(CliOutputType type)
diff --git a/programs/nstool/source/PfsProcess.h b/programs/nstool/source/PfsProcess.h
index 7137775..e099ef4 100644
--- a/programs/nstool/source/PfsProcess.h
+++ b/programs/nstool/source/PfsProcess.h
@@ -10,13 +10,12 @@ class PfsProcess
 {
 public:
 	PfsProcess();
+	~PfsProcess();
 
 	void process();
 
 	// generic
-	void setInputFile(fnd::IFile* reader);
-	void setInputFileOffset(size_t offset);
-	void setKeyset(const sKeyset* keyset);
+	void setInputFile(fnd::IFile* file, size_t offset, size_t size);
 	void setCliOutputMode(CliOutputType type);
 	void setVerifyMode(bool verify);
 
@@ -32,8 +31,6 @@ private:
 	static const size_t kFileExportBlockSize = 0x1000000;
 
 	fnd::IFile* mReader;
-	size_t mOffset;
-	const sKeyset* mKeyset;
 	CliOutputType mCliOutputType;
 	bool mVerify;
 
diff --git a/programs/nstool/source/RomfsProcess.cpp b/programs/nstool/source/RomfsProcess.cpp
index 95aa7c5..1a0f8a3 100644
--- a/programs/nstool/source/RomfsProcess.cpp
+++ b/programs/nstool/source/RomfsProcess.cpp
@@ -1,7 +1,8 @@
-#include "RomfsProcess.h"
 #include <fnd/SimpleTextOutput.h>
 #include <fnd/SimpleFile.h>
 #include <fnd/io.h>
+#include "OffsetAdjustedIFile.h"
+#include "RomfsProcess.h"
 
 void RomfsProcess::printTab(size_t tab) const
 {
@@ -87,7 +88,7 @@ void RomfsProcess::extractDir(const std::string& path, const sDirectory& dir)
 		
 		
 		outFile.open(file_path, outFile.Create);
-		mReader->seek(mOffset + dir.file_list[i].offset);
+		mReader->seek(dir.file_list[i].offset);
 		for (size_t j = 0; j < (dir.file_list[i].size / kFileExportBlockSize); j++)
 		{
 			mReader->read(scratch.getBytes(), kFileExportBlockSize);
@@ -186,7 +187,7 @@ void RomfsProcess::importDirectory(uint32_t dir_offset, sDirectory& dir)
 void RomfsProcess::resolveRomfs()
 {
 	// read header
-	mReader->read((byte_t*)&mHdr, mOffset, sizeof(nx::sRomfsHeader));
+	mReader->read((byte_t*)&mHdr, 0, sizeof(nx::sRomfsHeader));
 
 	// logic check on the header layout
 	if (validateHeaderLayout(&mHdr) == false)
@@ -196,13 +197,13 @@ void RomfsProcess::resolveRomfs()
 
 	// read directory nodes
 	mDirNodes.alloc(mHdr.sections[nx::romfs::DIR_NODE_TABLE].size.get());
-	mReader->read(mDirNodes.getBytes(), mOffset + mHdr.sections[nx::romfs::DIR_NODE_TABLE].offset.get(), mDirNodes.getSize());
+	mReader->read(mDirNodes.getBytes(), mHdr.sections[nx::romfs::DIR_NODE_TABLE].offset.get(), mDirNodes.getSize());
 	//printf("[RAW DIR NODES]\n");
 	//fnd::SimpleTextOutput::hxdStyleDump(mDirNodes.getBytes(), mDirNodes.getSize());
 
 	// read file nodes
 	mFileNodes.alloc(mHdr.sections[nx::romfs::FILE_NODE_TABLE].size.get());
-	mReader->read(mFileNodes.getBytes(), mOffset + mHdr.sections[nx::romfs::FILE_NODE_TABLE].offset.get(), mFileNodes.getSize());
+	mReader->read(mFileNodes.getBytes(), mHdr.sections[nx::romfs::FILE_NODE_TABLE].offset.get(), mFileNodes.getSize());
 	//printf("[RAW FILE NODES]\n");
 	//fnd::SimpleTextOutput::hxdStyleDump(mFileNodes.getBytes(), mFileNodes.getSize());
 	
@@ -223,8 +224,6 @@ void RomfsProcess::resolveRomfs()
 
 RomfsProcess::RomfsProcess() :
 	mReader(nullptr),
-	mOffset(0),
-	mKeyset(nullptr),
 	mCliOutputType(OUTPUT_NORMAL),
 	mVerify(false),
 	mExtractPath(),
@@ -239,6 +238,14 @@ RomfsProcess::RomfsProcess() :
 	mRootDir.file_list.clear();
 }
 
+RomfsProcess::~RomfsProcess()
+{
+	if (mReader != nullptr)
+	{
+		delete mReader;
+	}
+}
+
 void RomfsProcess::process()
 {
 	if (mReader == nullptr)
@@ -256,19 +263,9 @@ void RomfsProcess::process()
 		extractFs();
 }
 
-void RomfsProcess::setInputFile(fnd::IFile* reader)
+void RomfsProcess::setInputFile(fnd::IFile* file, size_t offset, size_t size)
 {
-	mReader = reader;
-}
-
-void RomfsProcess::setInputFileOffset(size_t offset)
-{
-	mOffset = offset;
-}
-
-void RomfsProcess::setKeyset(const sKeyset* keyset)
-{
-	mKeyset = keyset;
+	mReader = new OffsetAdjustedIFile(file, offset, size);
 }
 
 void RomfsProcess::setCliOutputMode(CliOutputType type)
diff --git a/programs/nstool/source/RomfsProcess.h b/programs/nstool/source/RomfsProcess.h
index ee3ecc1..89d9702 100644
--- a/programs/nstool/source/RomfsProcess.h
+++ b/programs/nstool/source/RomfsProcess.h
@@ -89,13 +89,12 @@ public:
 	};
 
 	RomfsProcess();
+	~RomfsProcess();
 
 	void process();
 
 	// generic
-	void setInputFile(fnd::IFile* reader);
-	void setInputFileOffset(size_t offset);
-	void setKeyset(const sKeyset* keyset);
+	void setInputFile(fnd::IFile* file, size_t offset, size_t size);
 	void setCliOutputMode(CliOutputType type);
 	void setVerifyMode(bool verify);
 
@@ -110,8 +109,6 @@ private:
 	static const size_t kFileExportBlockSize = 0x1000000;
 
 	fnd::IFile* mReader;
-	size_t mOffset;
-	const sKeyset* mKeyset;
 	CliOutputType mCliOutputType;
 	bool mVerify;
 
diff --git a/programs/nstool/source/UserSettings.cpp b/programs/nstool/source/UserSettings.cpp
index b71f551..86d57ee 100644
--- a/programs/nstool/source/UserSettings.cpp
+++ b/programs/nstool/source/UserSettings.cpp
@@ -38,7 +38,7 @@ void UserSettings::showHelp()
 	printf("\n  General Options:\n");
 	printf("      -d, --dev       Use devkit keyset\n");
 	printf("      -k, --keyset    Specify keyset file\n");
-	printf("      -t, --type      Specify input file type [xci, pfs, romfs, nca, npdm, cmnt]\n");
+	printf("      -t, --type      Specify input file type [xci, pfs, romfs, nca, npdm, cnmt]\n");
 	printf("      -y, --verify    Verify file\n");
 	printf("      -v, --verbose   Verbose output\n");
 	printf("      -q, --quiet     Minimal output\n");
@@ -576,8 +576,8 @@ FileType UserSettings::getFileTypeFromString(const std::string& type_str)
 		type = FILE_NCA;
 	else if (str == "npdm")
 		type = FILE_NPDM;
-	else if (str == "cmnt")
-		type = FILE_CMNT;
+	else if (str == "cnmt")
+		type = FILE_CNMT;
 	else
 		type = FILE_INVALID;
 
diff --git a/programs/nstool/source/XciProcess.cpp b/programs/nstool/source/XciProcess.cpp
index 54ffdbf..c9417a2 100644
--- a/programs/nstool/source/XciProcess.cpp
+++ b/programs/nstool/source/XciProcess.cpp
@@ -1,6 +1,7 @@
-#include "XciProcess.h"
 #include <fnd/SimpleTextOutput.h>
 #include <nx/XciUtils.h>
+#include "OffsetAdjustedIFile.h"
+#include "XciProcess.h"
 
 inline const char* getBoolStr(bool isTrue)
 {
@@ -136,13 +137,12 @@ void XciProcess::processRootPfs()
 {
 	if (mVerify)
 	{
-		if (validateRegionOfFile(mOffset + mHdr.getPartitionFsAddress(), mHdr.getPartitionFsSize(), mHdr.getPartitionFsHash().bytes) == false)
+		if (validateRegionOfFile(mHdr.getPartitionFsAddress(), mHdr.getPartitionFsSize(), mHdr.getPartitionFsHash().bytes) == false)
 		{
 			printf("[WARNING] XCI Root HFS0: FAIL (bad hash)\n");
 		}
 	}
-	mRootPfs.setInputFile(mReader);
-	mRootPfs.setInputFileOffset(mOffset + mHdr.getPartitionFsAddress());
+	mRootPfs.setInputFile(mReader, mHdr.getPartitionFsAddress(), mHdr.getPartitionFsSize());
 	mRootPfs.setListFs(mListFs);
 	mRootPfs.setVerifyMode(mVerify);
 	mRootPfs.setCliOutputMode(mCliOutputType);
@@ -156,8 +156,7 @@ void XciProcess::processPartitionPfs()
 	for (size_t i = 0; i < rootPartitions.getSize(); i++)
 	{	
 		PfsProcess tmp;
-		tmp.setInputFile(mReader);
-		tmp.setInputFileOffset(mOffset + mHdr.getPartitionFsAddress() + rootPartitions[i].offset);
+		tmp.setInputFile(mReader, mHdr.getPartitionFsAddress() + rootPartitions[i].offset, rootPartitions[i].size);
 		tmp.setListFs(mListFs);
 		tmp.setVerifyMode(mVerify);
 		tmp.setCliOutputMode(mCliOutputType);
@@ -174,7 +173,6 @@ void XciProcess::processPartitionPfs()
 
 XciProcess::XciProcess() :
 	mReader(nullptr),
-	mOffset(0),
 	mKeyset(nullptr),
 	mCliOutputType(OUTPUT_NORMAL),
 	mVerify(false),
@@ -189,6 +187,14 @@ XciProcess::XciProcess() :
 	mSecurePath.doExtract = false;
 }
 
+XciProcess::~XciProcess()
+{
+	if (mReader != nullptr)
+	{
+		delete mReader;
+	}
+}
+
 void XciProcess::process()
 {
 	fnd::MemoryBlob scratch;
@@ -199,7 +205,7 @@ void XciProcess::process()
 	}
 	
 	// read header page
-	mReader->read((byte_t*)&mHdrPage, mOffset, sizeof(nx::sXciHeaderPage));
+	mReader->read((byte_t*)&mHdrPage, 0, sizeof(nx::sXciHeaderPage));
 
 	// allocate memory for and decrypt sXciHeader
 	scratch.alloc(sizeof(nx::sXciHeader));
@@ -227,14 +233,9 @@ void XciProcess::process()
 	processPartitionPfs();
 }
 
-void XciProcess::setInputFile(fnd::IFile* reader)
+void XciProcess::setInputFile(fnd::IFile* file, size_t offset, size_t size)
 {
-	mReader = reader;
-}
-
-void XciProcess::setInputFileOffset(size_t offset)
-{
-	mOffset = offset;
+	mReader = new OffsetAdjustedIFile(file, offset, size);
 }
 
 void XciProcess::setKeyset(const sKeyset* keyset)
diff --git a/programs/nstool/source/XciProcess.h b/programs/nstool/source/XciProcess.h
index d0b7061..3f6acd3 100644
--- a/programs/nstool/source/XciProcess.h
+++ b/programs/nstool/source/XciProcess.h
@@ -13,12 +13,12 @@ class XciProcess
 {
 public:
 	XciProcess();
+	~XciProcess();
 
 	void process();
 
 	// generic
-	void setInputFile(fnd::IFile* reader);
-	void setInputFileOffset(size_t offset);
+	void setInputFile(fnd::IFile* file, size_t offset, size_t size);
 	void setKeyset(const sKeyset* keyset);
 	void setCliOutputMode(CliOutputType type);
 	void setVerifyMode(bool verify);
@@ -35,7 +35,6 @@ private:
 	static const size_t kFileExportBlockSize = 0x1000000;
 
 	fnd::IFile* mReader;
-	size_t mOffset;
 	const sKeyset* mKeyset;
 	CliOutputType mCliOutputType;
 	bool mVerify;
diff --git a/programs/nstool/source/main.cpp b/programs/nstool/source/main.cpp
index 8907c39..89afa70 100644
--- a/programs/nstool/source/main.cpp
+++ b/programs/nstool/source/main.cpp
@@ -6,6 +6,7 @@
 #include "RomfsProcess.h"
 #include "NcaProcess.h"
 #include "NpdmProcess.h"
+#include "CnmtProcess.h"
 
 
 int main(int argc, char** argv)
@@ -21,7 +22,7 @@ int main(int argc, char** argv)
 		{	
 			XciProcess xci;
 
-			xci.setInputFile(&inputFile);
+			xci.setInputFile(&inputFile, 0, inputFile.size());
 			
 			xci.setKeyset(&user_set.getKeyset());
 			xci.setCliOutputMode(user_set.getCliOutputType());
@@ -41,8 +42,7 @@ int main(int argc, char** argv)
 		{
 			PfsProcess pfs;
 
-			pfs.setInputFile(&inputFile);
-			pfs.setKeyset(&user_set.getKeyset());
+			pfs.setInputFile(&inputFile, 0, inputFile.size());
 			pfs.setCliOutputMode(user_set.getCliOutputType());
 			pfs.setVerifyMode(user_set.isVerifyFile());
 
@@ -56,8 +56,7 @@ int main(int argc, char** argv)
 		{
 			RomfsProcess romfs;
 
-			romfs.setInputFile(&inputFile);
-			romfs.setKeyset(&user_set.getKeyset());
+			romfs.setInputFile(&inputFile, 0, inputFile.size());
 			romfs.setCliOutputMode(user_set.getCliOutputType());
 			romfs.setVerifyMode(user_set.isVerifyFile());
 
@@ -71,7 +70,7 @@ int main(int argc, char** argv)
 		{
 			NcaProcess nca;
 
-			nca.setInputFile(&inputFile);
+			nca.setInputFile(&inputFile, 0, inputFile.size());
 			nca.setKeyset(&user_set.getKeyset());
 			nca.setCliOutputMode(user_set.getCliOutputType());
 			nca.setVerifyMode(user_set.isVerifyFile());
@@ -93,13 +92,23 @@ int main(int argc, char** argv)
 		{
 			NpdmProcess npdm;
 
-			npdm.setInputFile(&inputFile);
+			npdm.setInputFile(&inputFile, 0, inputFile.size());
 			npdm.setKeyset(&user_set.getKeyset());
 			npdm.setCliOutputMode(user_set.getCliOutputType());
 			npdm.setVerifyMode(user_set.isVerifyFile());
 
 			npdm.process();
 		}
+		else if (user_set.getFileType() == FILE_CNMT)
+		{
+			CnmtProcess cnmt;
+
+			cnmt.setInputFile(&inputFile, 0, inputFile.size());
+			cnmt.setCliOutputMode(user_set.getCliOutputType());
+			cnmt.setVerifyMode(user_set.isVerifyFile());
+
+			cnmt.process();
+		}
 	}
 	catch (const fnd::Exception& e) {
 		printf("\n\n%s\n", e.what());
diff --git a/programs/nstool/source/nstool.h b/programs/nstool/source/nstool.h
index 99827fb..54686d2 100644
--- a/programs/nstool/source/nstool.h
+++ b/programs/nstool/source/nstool.h
@@ -17,7 +17,7 @@ enum FileType
 	FILE_ROMFS,
 	FILE_NCA,
 	FILE_NPDM,
-	FILE_CMNT,
+	FILE_CNMT,
 	FILE_INVALID = -1,
 };