/* * coWPAtty - Brute-force dictionary attack against WPA-PSK. * * Copyright (c) 2004-2005, Joshua Wright <jwright@hasborg.com> * * $Id: sha1.h,v 4.1 2008/03/20 16:49:38 jwright Exp $ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. See COPYING for more * details. * * coWPAtty is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ /* * Significant code is graciously taken from the following: * wpa_supplicant by Jouni Malinen. This tool would have been MUCH more * difficult for me if not for this code. Thanks Jouni. */ #ifndef SHA1_H #define SHA1_H #ifdef OPENSSL #include <openssl/sha.h> #define SHA1_CTX SHA_CTX #define SHA1Init SHA1_Init #define SHA1Update SHA1_Update #define SHA1Final SHA1_Final #define SHA1_MAC_LEN SHA_DIGEST_LENGTH #else /* OPENSSL */ #error "OpenSSL is required for SHA1 support." #endif /* OPENSSL */ #define USECACHED 1 #define NOCACHED 0 typedef struct { unsigned char k_ipad[65]; unsigned char k_opad[65]; unsigned char k_ipad_set; unsigned char k_opad_set; } SHA1_CACHE; void sha1_mac(unsigned char *key, unsigned int key_len, unsigned char *data, unsigned int data_len, unsigned char *mac); void hmac_sha1_vector(unsigned char *key, unsigned int key_len, size_t num_elem, unsigned char *addr[], unsigned int *len, unsigned char *mac, int usecached); void hmac_sha1(unsigned char *key, unsigned int key_len, unsigned char *data, unsigned int data_len, unsigned char *mac, int usecached); void sha1_prf(unsigned char *key, unsigned int key_len, char *label, unsigned char *data, unsigned int data_len, unsigned char *buf, size_t buf_len); void pbkdf2_sha1(char *passphrase, char *ssid, size_t ssid_len, int iterations, unsigned char *buf, size_t buflen, int usecached); void sha1_transform(u8 * state, u8 data[64]); #endif /* SHA1_H */