SecTpm is the base class of the TPM classes. More...

#include <sec-tpm.hpp>

Inheritance diagram for ndn::SecTpm:

Data Structures
class	Error

Public Member Functions
virtual	~SecTpm ()

virtual void	setTpmPassword (const uint8_t *password, size_t passwordLength)=0
	set password of TPM More...

virtual void	resetTpmPassword ()=0
	reset password of TPM More...

virtual void	setInTerminal (bool inTerminal)=0
	set inTerminal flag More...

virtual bool	getInTerminal ()=0
	get inTerminal flag More...

virtual bool	locked ()=0
	check if TPM is locked. More...

virtual bool	unlockTpm (const char *password, size_t passwordLength, bool usePassword)=0
	Unlock the TPM. More...

virtual void	generateKeyPairInTpm (const Name &keyName, KeyType keyType, int keySize)=0
	Generate a pair of asymmetric keys. More...

virtual void	deleteKeyPairInTpm (const Name &keyName)=0
	Delete a key pair of asymmetric keys. More...

virtual shared_ptr< PublicKey >	getPublicKeyFromTpm (const Name &keyName)=0
	Get a public key. More...

virtual Block	signInTpm (const uint8_t *data, size_t dataLength, const Name &keyName, DigestAlgorithm digestAlgorithm)=0
	Sign data. More...

virtual ConstBufferPtr	decryptInTpm (const uint8_t *data, size_t dataLength, const Name &keyName, bool isSymmetric)=0
	Decrypt data. More...

virtual ConstBufferPtr	encryptInTpm (const uint8_t *data, size_t dataLength, const Name &keyName, bool isSymmetric)=0
	Encrypt data. More...

virtual void	generateSymmetricKeyInTpm (const Name &keyName, KeyType keyType, int keySize)=0
	Generate a symmetric key. More...

virtual bool	doesKeyExistInTpm (const Name &keyName, KeyClass keyClass)=0
	Check if a particular key exists. More...

virtual bool	generateRandomBlock (uint8_t *res, size_t size)=0
	Generate a random block. More...

virtual void	addAppToACL (const Name &keyName, KeyClass keyClass, const std::string &appPath, AclType acl)=0
	Add the application into the ACL of a particular key. More...

ConstBufferPtr	exportPrivateKeyPkcs5FromTpm (const Name &keyName, const std::string &password)
	Export a private key in PKCS#5 format. More...

bool	importPrivateKeyPkcs5IntoTpm (const Name &keyName, const uint8_t *buf, size_t size, const std::string &password)
	Import a private key in PKCS#5 format. More...

Protected Member Functions
virtual ConstBufferPtr	exportPrivateKeyPkcs8FromTpm (const Name &keyName)=0
	Export a private key in PKCS#8 format. More...

virtual bool	importPrivateKeyPkcs8IntoTpm (const Name &keyName, const uint8_t *buf, size_t size)=0
	Import a private key in PKCS#8 format. More...

virtual bool	importPublicKeyPkcs1IntoTpm (const Name &keyName, const uint8_t *buf, size_t size)=0
	Import a public key in PKCS#1 format. More...

virtual bool	getImpExpPassWord (std::string &password, const std::string &prompt)
	Get import/export password. More...

Detailed Description

SecTpm is the base class of the TPM classes.

It specifies the interfaces of private/secret key related operations.

Definition at line 25 of file sec-tpm.hpp.

Constructor & Destructor Documentation

virtual ndn::SecTpm::~SecTpm ( )

inlinevirtual

Definition at line 39 of file sec-tpm.hpp.

Member Function Documentation

virtual void ndn::SecTpm::addAppToACL	(	const Name &	keyName,
		KeyClass	keyClass,
		const std::string &	appPath,
		AclType	acl
	)

pure virtual

Add the application into the ACL of a particular key.

Parameters

keyName	the name of key
keyClass	the class of key, e.g. Private Key
appPath	the absolute path to the application
acl	the new acl of the key

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

virtual ConstBufferPtr ndn::SecTpm::decryptInTpm	(	const uint8_t *	data,
		size_t	dataLength,
		const Name &	keyName,
		bool	isSymmetric
	)

pure virtual

Decrypt data.

Parameters

data	Pointer to the byte arry to be decrypted.
dataLength	The length of data.
keyName	The name of the decrypting key.
isSymmetric	If true symmetric encryption is used, otherwise asymmetric encryption.

Returns: The decrypted data.

Exceptions

SecTpm::Error if decryption fails.

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

virtual void ndn::SecTpm::deleteKeyPairInTpm ( const Name & keyName )

pure virtual

Delete a key pair of asymmetric keys.

Parameters

keyName The name of the key pair.

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

virtual bool ndn::SecTpm::doesKeyExistInTpm	(	const Name &	keyName,
		KeyClass	keyClass
	)

pure virtual

Check if a particular key exists.

Parameters

keyName	The name of the key.
keyClass	The class of the key, e.g. KEY_CLASS_PUBLIC, KEY_CLASS_PRIVATE.

Returns: True if the key exists, otherwise false.

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

virtual ConstBufferPtr ndn::SecTpm::encryptInTpm	(	const uint8_t *	data,
		size_t	dataLength,
		const Name &	keyName,
		bool	isSymmetric
	)

pure virtual

Encrypt data.

Parameters

data	Pointer to the byte arry to be decrypted.
dataLength	The length of data.
keyName	The name of the encrypting key.
isSymmetric	If true symmetric encryption is used, otherwise asymmetric encryption.

Returns: The encrypted data.

Exceptions

SecTpm::Error if encryption fails.

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

ConstBufferPtr ndn::SecTpm::exportPrivateKeyPkcs5FromTpm	(	const Name &	keyName,
		const std::string &	password
	)

Export a private key in PKCS#5 format.

Parameters

keyName	The private key name.
password	The password to encrypt the private key.

Returns: The private key info (in PKCS8 format) if exist.

Exceptions

SecTpm::Error if private key cannot be exported.

Definition at line 17 of file sec-tpm.cpp.

virtual ConstBufferPtr ndn::SecTpm::exportPrivateKeyPkcs8FromTpm ( const Name & keyName )

protectedpure virtual

Export a private key in PKCS#8 format.

Parameters

keyName The private key name.

Returns: The private key info (in PKCS#8 format) if exist, otherwise a NULL pointer.

Implemented in ndn::SecTpmFile, and ndn::SecTpmOsx.

virtual void ndn::SecTpm::generateKeyPairInTpm	(	const Name &	keyName,
		KeyType	keyType,
		int	keySize
	)

pure virtual

Generate a pair of asymmetric keys.

Parameters

keyName	The name of the key pair.
keyType	The type of the key pair, e.g. KEY_TYPE_RSA.
keySize	The size of the key pair.

Exceptions

SecTpm::Error if fails.

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

virtual bool ndn::SecTpm::generateRandomBlock	(	uint8_t *	res,
		size_t	size
	)

pure virtual

Generate a random block.

Parameters

res	The pointer to the generated block.
size	The random block size.

Returns: true for success, otherwise false.

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

virtual void ndn::SecTpm::generateSymmetricKeyInTpm	(	const Name &	keyName,
		KeyType	keyType,
		int	keySize
	)

pure virtual

Generate a symmetric key.

Parameters

keyName	The name of the key.
keyType	The type of the key, e.g. KEY_TYPE_AES.
keySize	The size of the key.

Exceptions

SecTpm::Error if key generating fails.

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

bool ndn::SecTpm::getImpExpPassWord	(	std::string &	password,
		const std::string &	prompt
	)

inlineprotectedvirtual

Get import/export password.

Parameters

password	On return, the password.
prompt	Prompt for password, i.e., "Password for key:"

Returns: true if password has been obtained.

Definition at line 279 of file sec-tpm.hpp.

virtual bool ndn::SecTpm::getInTerminal ( )

pure virtual

get inTerminal flag

Returns: inTerminal flag.

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

virtual shared_ptr<PublicKey> ndn::SecTpm::getPublicKeyFromTpm ( const Name & keyName )

pure virtual

Get a public key.

Parameters

keyName The public key name.

Returns: The public key.

Exceptions

SecTpm::Error if public key does not exist in TPM.

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

bool ndn::SecTpm::importPrivateKeyPkcs5IntoTpm	(	const Name &	keyName,
		const uint8_t *	buf,
		size_t	size,
		const std::string &	password
	)

Import a private key in PKCS#5 format.

Also recover the public key and installed it in TPM.

Parameters

keyName	The private key name.
key	The encoded private key info.
password	The password to encrypt the private key.

Returns: False if import fails.

Definition at line 139 of file sec-tpm.cpp.

virtual bool ndn::SecTpm::importPrivateKeyPkcs8IntoTpm	(	const Name &	keyName,
		const uint8_t *	buf,
		size_t	size
	)

protectedpure virtual

Import a private key in PKCS#8 format.

Parameters

keyName	The private key name.
key	The encoded private key info.

Returns: False if import fails.

Implemented in ndn::SecTpmFile, and ndn::SecTpmOsx.

virtual bool ndn::SecTpm::importPublicKeyPkcs1IntoTpm	(	const Name &	keyName,
		const uint8_t *	buf,
		size_t	size
	)

protectedpure virtual

Import a public key in PKCS#1 format.

Parameters

keyName	The public key name.
key	The encoded public key info.

Returns: False if import fails.

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

virtual bool ndn::SecTpm::locked ( )

pure virtual

check if TPM is locked.

Returns: true if locked, false otherwise

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

virtual void ndn::SecTpm::resetTpmPassword ( )

pure virtual

reset password of TPM

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

virtual void ndn::SecTpm::setInTerminal ( bool inTerminal )

pure virtual

set inTerminal flag

If the inTerminal flag is set, and password is not set, TPM may ask for password via terminal. inTerminal flag is set by default.

Parameters

inTerminal.

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

virtual void ndn::SecTpm::setTpmPassword	(	const uint8_t *	password,
		size_t	passwordLength
	)

pure virtual

set password of TPM

Password is used to unlock TPM when it is locked. You should be cautious when using this method, because remembering password is kind of dangerous.

Parameters

password	The password.
passwordLength	The length of password.

Implemented in ndn::SecTpmMemory, ndn::SecTpmOsx, and ndn::SecTpmFile.

virtual Block ndn::SecTpm::signInTpm	(	const uint8_t *	data,
		size_t	dataLength,
		const Name &	keyName,
		DigestAlgorithm	digestAlgorithm
	)

pure virtual

Sign data.

Parameters

data	Pointer to the byte array to be signed.
dataLength	The length of data.
keyName	The name of the signing key.
digestAlgorithm	the digest algorithm.

Returns: The signature block.

Exceptions

SecTpm::Error if signing fails.

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

virtual bool ndn::SecTpm::unlockTpm	(	const char *	password,
		size_t	passwordLength,
		bool	usePassword
	)

pure virtual

Unlock the TPM.

Parameters

password	The password.
passwordLength	The password size. 0 indicates no password.
usePassword	True if we want to use the supplied password to unlock the TPM.

Returns: true if TPM is unlocked, otherwise false.

Implemented in ndn::SecTpmMemory, ndn::SecTpmFile, and ndn::SecTpmOsx.

C++ library for Named Data Networking documentation

Data Structures

Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation