xtea.h File Reference

#include "wireshark.h"

Go to the source code of this file.

Functions
WS_DLL_PUBLIC void	decrypt_xtea_ecb (uint8_t plaintext[8], const uint8_t ciphertext[8], const uint32_t key[4], unsigned num_rounds)
	Decrypt a single 64-bit block using XTEA in ECB mode.
WS_DLL_PUBLIC void	decrypt_xtea_le_ecb (uint8_t plaintext[8], const uint8_t ciphertext[8], const uint32_t key[4], unsigned num_rounds)
	Decrypt a single 64-bit block using XTEA in little-endian ECB mode.

Detailed Description

Implementation of XTEA cipher By Ahmad Fatoum <ahmad[AT]a3f.at> Copyright 2017 Ahmad Fatoum

Wireshark - Network traffic analyzer By Gerald Combs geral.nosp@m.d@wi.nosp@m.resha.nosp@m.rk.o.nosp@m.rg Copyright 1998 Gerald Combs

SPDX-License-Identifier: GPL-2.0-or-later

Function Documentation

decrypt_xtea_ecb()

WS_DLL_PUBLIC void decrypt_xtea_ecb	(	uint8_t	plaintext[8],
		const uint8_t	ciphertext[8],
		const uint32_t	key[4],
		unsigned	num_rounds
	)

Decrypt a single 64-bit block using XTEA in ECB mode.

Parameters

plaintext	Output buffer for the decrypted 8-byte block.
ciphertext	Input buffer containing the encrypted 8-byte block.
key	128-bit key as four 32-bit words.
num_rounds	Number of XTEA rounds to perform.

decrypt_xtea_le_ecb()

WS_DLL_PUBLIC void decrypt_xtea_le_ecb	(	uint8_t	plaintext[8],
		const uint8_t	ciphertext[8],
		const uint32_t	key[4],
		unsigned	num_rounds
	)

Decrypt a single 64-bit block using XTEA in little-endian ECB mode.

Parameters

plaintext	Output buffer for the decrypted 8-byte block.
ciphertext	Input buffer containing the encrypted 8-byte block.
key	128-bit key as four 32-bit words.
num_rounds	Number of XTEA rounds to perform.