protobuf_comm::BufferEncryptor Class Reference

Encrypt buffers using AES128 in ECB mode. More...

#include <>>

Public Member Functions
	BufferEncryptor (const std::string &key, std::string cipher_name="AES-128-ECB")
	Constructor. More...
	~BufferEncryptor ()
	Destructor. More...
void	encrypt (const std::string &plain, std::string &enc)
	Encrypt a buffer. More...
int	cipher_id () const
	Get cipher ID. More...
size_t	encrypted_buffer_size (size_t plain_length)
	Get required size for an encrypted buffer of the given plain text length. More...

Detailed Description

Encrypt buffers using AES128 in ECB mode.

Author

Tim Niemueller

Definition at line 49 of file crypto.h.

Constructor & Destructor Documentation

BufferEncryptor()

protobuf_comm::BufferEncryptor::BufferEncryptor	(	const std::string &	key,
		std::string	cipher_name = "AES-128-ECB"
	)

Constructor.

Parameters

key	encryption key, can be any string, will be processed to meet the cipher's requirements.
cipher_name	Cipher combination to use, currently supported are aes-128-ecb, aes-128-cbc, aes-256-ecb, and aes-256-cbc

Definition at line 62 of file crypto.cpp.

~BufferEncryptor()

protobuf_comm::BufferEncryptor::~BufferEncryptor

(

)

Destructor.

Definition at line 86 of file crypto.cpp.

Member Function Documentation

cipher_id()

int protobuf_comm::BufferEncryptor::cipher_id ( ) const

inline

Get cipher ID.

Returns

cipher ID

Definition at line 60 of file crypto.h.

encrypt()

void protobuf_comm::BufferEncryptor::encrypt	(	const std::string &	plain,
		std::string &	enc
	)

Encrypt a buffer.

Uses the cipher set in the constructor.

Parameters

plain	plain text data
enc	upon return contains encrypted buffer

Definition at line 97 of file crypto.cpp.

encrypted_buffer_size()

size_t protobuf_comm::BufferEncryptor::encrypted_buffer_size

(

size_t

plain_length

)

Get required size for an encrypted buffer of the given plain text length.

Parameters

plain_length

length of the plain text buffer to encrypt

Returns

length of encrypted buffer required

Definition at line 148 of file crypto.cpp.

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The documentation for this class was generated from the following files:

• src/libs/protobuf_comm/crypto.h
• src/libs/protobuf_comm/crypto.cpp