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995 lines
28 KiB
C
995 lines
28 KiB
C
/*
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* SHA1 hash implementation and interface functions
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* Copyright (c) 2003-2005, Jouni Malinen <jkmaline@cc.hut.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "common.h"
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#include "sha1.h"
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#include "md5.h"
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#include "crypto.h"
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/**
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* hmac_sha1_vector - HMAC-SHA1 over data vector (RFC 2104)
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* @key: Key for HMAC operations
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* @key_len: Length of the key in bytes
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* @num_elem: Number of elements in the data vector
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* @addr: Pointers to the data areas
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* @len: Lengths of the data blocks
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* @mac: Buffer for the hash (20 bytes)
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*/
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void hmac_sha1_vector(const u8 *key, size_t key_len, size_t num_elem,
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const u8 *addr[], const size_t *len, u8 *mac)
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{
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unsigned char k_pad[64]; /* padding - key XORd with ipad/opad */
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unsigned char tk[20];
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int i;
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const u8 *_addr[6];
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size_t _len[6];
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if (num_elem > 5) {
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/*
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* Fixed limit on the number of fragments to avoid having to
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* allocate memory (which could fail).
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*/
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return;
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}
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/* if key is longer than 64 bytes reset it to key = SHA1(key) */
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if (key_len > 64) {
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sha1_vector(1, &key, &key_len, tk);
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key = tk;
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key_len = 20;
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}
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/* the HMAC_SHA1 transform looks like:
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*
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* SHA1(K XOR opad, SHA1(K XOR ipad, text))
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*
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* where K is an n byte key
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* ipad is the byte 0x36 repeated 64 times
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* opad is the byte 0x5c repeated 64 times
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* and text is the data being protected */
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/* start out by storing key in ipad */
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memset(k_pad, 0, sizeof(k_pad));
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memcpy(k_pad, key, key_len);
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/* XOR key with ipad values */
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for (i = 0; i < 64; i++)
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k_pad[i] ^= 0x36;
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/* perform inner SHA1 */
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_addr[0] = k_pad;
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_len[0] = 64;
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for (i = 0; i < num_elem; i++) {
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_addr[i + 1] = addr[i];
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_len[i + 1] = len[i];
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}
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sha1_vector(1 + num_elem, _addr, _len, mac);
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memset(k_pad, 0, sizeof(k_pad));
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memcpy(k_pad, key, key_len);
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/* XOR key with opad values */
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for (i = 0; i < 64; i++)
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k_pad[i] ^= 0x5c;
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/* perform outer SHA1 */
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_addr[0] = k_pad;
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_len[0] = 64;
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_addr[1] = mac;
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_len[1] = SHA1_MAC_LEN;
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sha1_vector(2, _addr, _len, mac);
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}
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/**
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* hmac_sha1 - HMAC-SHA1 over data buffer (RFC 2104)
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* @key: Key for HMAC operations
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* @key_len: Length of the key in bytes
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* @data: Pointers to the data area
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* @data_len: Length of the data area
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* @mac: Buffer for the hash (20 bytes)
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*/
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void hmac_sha1(const u8 *key, size_t key_len, const u8 *data, size_t data_len,
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u8 *mac)
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{
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hmac_sha1_vector(key, key_len, 1, &data, &data_len, mac);
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}
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/**
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* sha1_prf - SHA1-based Pseudo-Random Function (PRF) (IEEE 802.11i, 8.5.1.1)
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* @key: Key for PRF
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* @key_len: Length of the key in bytes
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* @label: A unique label for each purpose of the PRF
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* @data: Extra data to bind into the key
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* @data_len: Length of the data
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* @buf: Buffer for the generated pseudo-random key
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* @buf_len: Number of bytes of key to generate
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*
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* This function is used to derive new, cryptographically separate keys from a
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* given key (e.g., PMK in IEEE 802.11i).
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*/
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void sha1_prf(const u8 *key, size_t key_len, const char *label,
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const u8 *data, size_t data_len, u8 *buf, size_t buf_len)
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{
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u8 zero = 0, counter = 0;
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size_t pos, plen;
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u8 hash[SHA1_MAC_LEN];
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size_t label_len = strlen(label);
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const unsigned char *addr[4];
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size_t len[4];
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addr[0] = (u8 *) label;
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len[0] = label_len;
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addr[1] = &zero;
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len[1] = 1;
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addr[2] = data;
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len[2] = data_len;
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addr[3] = &counter;
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len[3] = 1;
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pos = 0;
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while (pos < buf_len) {
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plen = buf_len - pos;
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if (plen >= SHA1_MAC_LEN) {
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hmac_sha1_vector(key, key_len, 4, addr, len,
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&buf[pos]);
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pos += SHA1_MAC_LEN;
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} else {
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hmac_sha1_vector(key, key_len, 4, addr, len,
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hash);
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memcpy(&buf[pos], hash, plen);
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break;
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}
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counter++;
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}
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}
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/**
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* sha1_t_prf - EAP-FAST Pseudo-Random Function (T-PRF)
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* @key: Key for PRF
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* @key_len: Length of the key in bytes
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* @label: A unique label for each purpose of the PRF
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* @seed: Seed value to bind into the key
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* @seed_len: Length of the seed
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* @buf: Buffer for the generated pseudo-random key
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* @buf_len: Number of bytes of key to generate
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*
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* This function is used to derive new, cryptographically separate keys from a
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* given key for EAP-FAST. T-PRF is defined in
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* draft-cam-winget-eap-fast-02.txt, Appendix B.
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*/
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void sha1_t_prf(const u8 *key, size_t key_len, const char *label,
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const u8 *seed, size_t seed_len, u8 *buf, size_t buf_len)
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{
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unsigned char counter = 0;
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size_t pos, plen;
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u8 hash[SHA1_MAC_LEN];
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size_t label_len = strlen(label);
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u8 output_len[2];
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const unsigned char *addr[5];
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size_t len[5];
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addr[0] = hash;
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len[0] = 0;
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addr[1] = (unsigned char *) label;
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len[1] = label_len + 1;
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addr[2] = seed;
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len[2] = seed_len;
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addr[3] = output_len;
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len[3] = 2;
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addr[4] = &counter;
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len[4] = 1;
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output_len[0] = (buf_len >> 8) & 0xff;
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output_len[1] = buf_len & 0xff;
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pos = 0;
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while (pos < buf_len) {
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counter++;
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plen = buf_len - pos;
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hmac_sha1_vector(key, key_len, 5, addr, len, hash);
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if (plen >= SHA1_MAC_LEN) {
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memcpy(&buf[pos], hash, SHA1_MAC_LEN);
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pos += SHA1_MAC_LEN;
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} else {
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memcpy(&buf[pos], hash, plen);
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break;
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}
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len[0] = SHA1_MAC_LEN;
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}
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}
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/**
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* tls_prf - Pseudo-Random Function for TLS (TLS-PRF, RFC 2246)
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* @secret: Key for PRF
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* @secret_len: Length of the key in bytes
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* @label: A unique label for each purpose of the PRF
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* @seed: Seed value to bind into the key
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* @seed_len: Length of the seed
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* @out: Buffer for the generated pseudo-random key
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* @outlen: Number of bytes of key to generate
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*
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* This function is used to derive new, cryptographically separate keys from a
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* given key in TLS. This PRF is defined in RFC 2246, Chapter 5.
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*/
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int tls_prf(const u8 *secret, size_t secret_len, const char *label,
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const u8 *seed, size_t seed_len, u8 *out, size_t outlen)
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{
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size_t L_S1, L_S2;
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const u8 *S1, *S2;
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u8 A_MD5[MD5_MAC_LEN], A_SHA1[SHA1_MAC_LEN];
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u8 P_MD5[MD5_MAC_LEN], P_SHA1[SHA1_MAC_LEN];
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int i, MD5_pos, SHA1_pos;
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const u8 *MD5_addr[3];
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size_t MD5_len[3];
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const unsigned char *SHA1_addr[3];
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size_t SHA1_len[3];
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if (secret_len & 1)
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return -1;
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MD5_addr[0] = A_MD5;
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MD5_len[0] = MD5_MAC_LEN;
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MD5_addr[1] = (unsigned char *) label;
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MD5_len[1] = strlen(label);
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MD5_addr[2] = seed;
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MD5_len[2] = seed_len;
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SHA1_addr[0] = A_SHA1;
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SHA1_len[0] = SHA1_MAC_LEN;
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SHA1_addr[1] = (unsigned char *) label;
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SHA1_len[1] = strlen(label);
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SHA1_addr[2] = seed;
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SHA1_len[2] = seed_len;
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/* RFC 2246, Chapter 5
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* A(0) = seed, A(i) = HMAC(secret, A(i-1))
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* P_hash = HMAC(secret, A(1) + seed) + HMAC(secret, A(2) + seed) + ..
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* PRF = P_MD5(S1, label + seed) XOR P_SHA-1(S2, label + seed)
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*/
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L_S1 = L_S2 = (secret_len + 1) / 2;
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S1 = secret;
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S2 = secret + L_S1;
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hmac_md5_vector(S1, L_S1, 2, &MD5_addr[1], &MD5_len[1], A_MD5);
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hmac_sha1_vector(S2, L_S2, 2, &SHA1_addr[1], &SHA1_len[1], A_SHA1);
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MD5_pos = MD5_MAC_LEN;
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SHA1_pos = SHA1_MAC_LEN;
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for (i = 0; i < outlen; i++) {
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if (MD5_pos == MD5_MAC_LEN) {
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hmac_md5_vector(S1, L_S1, 3, MD5_addr, MD5_len, P_MD5);
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MD5_pos = 0;
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hmac_md5(S1, L_S1, A_MD5, MD5_MAC_LEN, A_MD5);
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}
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if (SHA1_pos == SHA1_MAC_LEN) {
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hmac_sha1_vector(S2, L_S2, 3, SHA1_addr, SHA1_len,
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P_SHA1);
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SHA1_pos = 0;
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hmac_sha1(S2, L_S2, A_SHA1, SHA1_MAC_LEN, A_SHA1);
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}
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out[i] = P_MD5[MD5_pos] ^ P_SHA1[SHA1_pos];
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MD5_pos++;
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SHA1_pos++;
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}
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return 0;
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}
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static void pbkdf2_sha1_f(const char *passphrase, const char *ssid,
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size_t ssid_len, int iterations, int count,
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u8 *digest)
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{
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unsigned char tmp[SHA1_MAC_LEN], tmp2[SHA1_MAC_LEN];
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int i, j;
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unsigned char count_buf[4];
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const u8 *addr[2];
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size_t len[2];
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size_t passphrase_len = strlen(passphrase);
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addr[0] = (u8 *) ssid;
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len[0] = ssid_len;
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addr[1] = count_buf;
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len[1] = 4;
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/* F(P, S, c, i) = U1 xor U2 xor ... Uc
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* U1 = PRF(P, S || i)
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* U2 = PRF(P, U1)
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* Uc = PRF(P, Uc-1)
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*/
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count_buf[0] = (count >> 24) & 0xff;
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count_buf[1] = (count >> 16) & 0xff;
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count_buf[2] = (count >> 8) & 0xff;
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count_buf[3] = count & 0xff;
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hmac_sha1_vector((u8 *) passphrase, passphrase_len, 2, addr, len, tmp);
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memcpy(digest, tmp, SHA1_MAC_LEN);
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for (i = 1; i < iterations; i++) {
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hmac_sha1((u8 *) passphrase, passphrase_len, tmp, SHA1_MAC_LEN,
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tmp2);
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memcpy(tmp, tmp2, SHA1_MAC_LEN);
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for (j = 0; j < SHA1_MAC_LEN; j++)
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digest[j] ^= tmp2[j];
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}
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}
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/**
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* pbkdf2_sha1 - SHA1-based key derivation function (PBKDF2) for IEEE 802.11i
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* @passphrase: ASCII passphrase
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* @ssid: SSID
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* @ssid_len: SSID length in bytes
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* @interations: Number of iterations to run
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* @buf: Buffer for the generated key
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* @buflen: Length of the buffer in bytes
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*
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* This function is used to derive PSK for WPA-PSK. For this protocol,
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* iterations is set to 4096 and buflen to 32. This function is described in
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* IEEE Std 802.11-2004, Clause H.4. The main construction is from PKCS#5 v2.0.
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*/
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void pbkdf2_sha1(const char *passphrase, const char *ssid, size_t ssid_len,
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int iterations, u8 *buf, size_t buflen)
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{
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int count = 0;
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unsigned char *pos = buf;
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size_t left = buflen, plen;
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unsigned char digest[SHA1_MAC_LEN];
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while (left > 0) {
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count++;
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pbkdf2_sha1_f(passphrase, ssid, ssid_len, iterations, count,
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digest);
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plen = left > SHA1_MAC_LEN ? SHA1_MAC_LEN : left;
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memcpy(pos, digest, plen);
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pos += plen;
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left -= plen;
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}
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}
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#ifndef EAP_TLS_FUNCS
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typedef struct {
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u32 state[5];
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u32 count[2];
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unsigned char buffer[64];
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} SHA1_CTX;
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static void SHA1Init(SHA1_CTX *context);
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static void SHA1Update(SHA1_CTX *context, const void *data, u32 len);
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static void SHA1Final(unsigned char digest[20], SHA1_CTX* context);
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static void SHA1Transform(u32 state[5], const unsigned char buffer[64]);
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/**
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* sha1_vector - SHA-1 hash for data vector
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* @num_elem: Number of elements in the data vector
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* @addr: Pointers to the data areas
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* @len: Lengths of the data blocks
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* @mac: Buffer for the hash
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*/
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void sha1_vector(size_t num_elem, const u8 *addr[], const size_t *len,
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u8 *mac)
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{
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SHA1_CTX ctx;
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int i;
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SHA1Init(&ctx);
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for (i = 0; i < num_elem; i++)
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SHA1Update(&ctx, addr[i], len[i]);
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SHA1Final(mac, &ctx);
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}
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/**
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* sha1_transform - Perform one SHA-1 transform step
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* @state: SHA-1 state
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* @data: Input data for the SHA-1 transform
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*
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* This function is used to implement random number generation specified in
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* NIST FIPS Publication 186-2 for EAP-SIM. This PRF uses a function that is
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* similar to SHA-1, but has different message padding and as such, access to
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* just part of the SHA-1 is needed.
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*/
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void sha1_transform(u8 *state, const u8 data[64])
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{
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SHA1Transform((u32 *) state, data);
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}
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/* ===== start - public domain SHA1 implementation ===== */
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/*
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SHA-1 in C
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By Steve Reid <sreid@sea-to-sky.net>
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100% Public Domain
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-----------------
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Modified 7/98
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By James H. Brown <jbrown@burgoyne.com>
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Still 100% Public Domain
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Corrected a problem which generated improper hash values on 16 bit machines
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Routine SHA1Update changed from
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void SHA1Update(SHA1_CTX* context, unsigned char* data, unsigned int
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len)
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to
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void SHA1Update(SHA1_CTX* context, unsigned char* data, unsigned
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long len)
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The 'len' parameter was declared an int which works fine on 32 bit machines.
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However, on 16 bit machines an int is too small for the shifts being done
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against
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it. This caused the hash function to generate incorrect values if len was
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greater than 8191 (8K - 1) due to the 'len << 3' on line 3 of SHA1Update().
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Since the file IO in main() reads 16K at a time, any file 8K or larger would
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be guaranteed to generate the wrong hash (e.g. Test Vector #3, a million
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"a"s).
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I also changed the declaration of variables i & j in SHA1Update to
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unsigned long from unsigned int for the same reason.
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These changes should make no difference to any 32 bit implementations since
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an
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int and a long are the same size in those environments.
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--
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I also corrected a few compiler warnings generated by Borland C.
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1. Added #include <process.h> for exit() prototype
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2. Removed unused variable 'j' in SHA1Final
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3. Changed exit(0) to return(0) at end of main.
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ALL changes I made can be located by searching for comments containing 'JHB'
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-----------------
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Modified 8/98
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By Steve Reid <sreid@sea-to-sky.net>
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Still 100% public domain
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1- Removed #include <process.h> and used return() instead of exit()
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2- Fixed overwriting of finalcount in SHA1Final() (discovered by Chris Hall)
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3- Changed email address from steve@edmweb.com to sreid@sea-to-sky.net
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-----------------
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Modified 4/01
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By Saul Kravitz <Saul.Kravitz@celera.com>
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Still 100% PD
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Modified to run on Compaq Alpha hardware.
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-----------------
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Modified 4/01
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By Jouni Malinen <jkmaline@cc.hut.fi>
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Minor changes to match the coding style used in Dynamics.
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Modified September 24, 2004
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By Jouni Malinen <jkmaline@cc.hut.fi>
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Fixed alignment issue in SHA1Transform when SHA1HANDSOFF is defined.
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*/
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/*
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Test Vectors (from FIPS PUB 180-1)
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"abc"
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A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D
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"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
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84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1
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A million repetitions of "a"
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34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
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*/
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#define SHA1HANDSOFF
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#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
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/* blk0() and blk() perform the initial expand. */
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/* I got the idea of expanding during the round function from SSLeay */
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#ifndef WORDS_BIGENDIAN
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#define blk0(i) (block->l[i] = (rol(block->l[i], 24) & 0xFF00FF00) | \
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(rol(block->l[i], 8) & 0x00FF00FF))
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#else
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#define blk0(i) block->l[i]
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#endif
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#define blk(i) (block->l[i & 15] = rol(block->l[(i + 13) & 15] ^ \
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block->l[(i + 8) & 15] ^ block->l[(i + 2) & 15] ^ block->l[i & 15], 1))
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/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
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#define R0(v,w,x,y,z,i) \
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z += ((w & (x ^ y)) ^ y) + blk0(i) + 0x5A827999 + rol(v, 5); \
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w = rol(w, 30);
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#define R1(v,w,x,y,z,i) \
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z += ((w & (x ^ y)) ^ y) + blk(i) + 0x5A827999 + rol(v, 5); \
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w = rol(w, 30);
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#define R2(v,w,x,y,z,i) \
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z += (w ^ x ^ y) + blk(i) + 0x6ED9EBA1 + rol(v, 5); w = rol(w, 30);
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#define R3(v,w,x,y,z,i) \
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z += (((w | x) & y) | (w & x)) + blk(i) + 0x8F1BBCDC + rol(v, 5); \
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w = rol(w, 30);
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#define R4(v,w,x,y,z,i) \
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z += (w ^ x ^ y) + blk(i) + 0xCA62C1D6 + rol(v, 5); \
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w=rol(w, 30);
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#ifdef VERBOSE /* SAK */
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void SHAPrintContext(SHA1_CTX *context, char *msg)
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{
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printf("%s (%d,%d) %x %x %x %x %x\n",
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msg,
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context->count[0], context->count[1],
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context->state[0],
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context->state[1],
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context->state[2],
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context->state[3],
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context->state[4]);
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}
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#endif
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/* Hash a single 512-bit block. This is the core of the algorithm. */
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static void SHA1Transform(u32 state[5], const unsigned char buffer[64])
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{
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u32 a, b, c, d, e;
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typedef union {
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unsigned char c[64];
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u32 l[16];
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} CHAR64LONG16;
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CHAR64LONG16* block;
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#ifdef SHA1HANDSOFF
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u32 workspace[16];
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block = (CHAR64LONG16 *) workspace;
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memcpy(block, buffer, 64);
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#else
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block = (CHAR64LONG16 *) buffer;
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#endif
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/* Copy context->state[] to working vars */
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a = state[0];
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b = state[1];
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c = state[2];
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d = state[3];
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e = state[4];
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/* 4 rounds of 20 operations each. Loop unrolled. */
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R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
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R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
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R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
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R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
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R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
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R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
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R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
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R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
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R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
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R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
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R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
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R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
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R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
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R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
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R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
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R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
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R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
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R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
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R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
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R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
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/* Add the working vars back into context.state[] */
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state[0] += a;
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state[1] += b;
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state[2] += c;
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state[3] += d;
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state[4] += e;
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/* Wipe variables */
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a = b = c = d = e = 0;
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#ifdef SHA1HANDSOFF
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memset(block, 0, 64);
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#endif
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}
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/* SHA1Init - Initialize new context */
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static void SHA1Init(SHA1_CTX* context)
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{
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/* SHA1 initialization constants */
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context->state[0] = 0x67452301;
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context->state[1] = 0xEFCDAB89;
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context->state[2] = 0x98BADCFE;
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context->state[3] = 0x10325476;
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context->state[4] = 0xC3D2E1F0;
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context->count[0] = context->count[1] = 0;
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}
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/* Run your data through this. */
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static void SHA1Update(SHA1_CTX* context, const void *_data, u32 len)
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{
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u32 i, j;
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const unsigned char *data = _data;
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#ifdef VERBOSE
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SHAPrintContext(context, "before");
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#endif
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j = (context->count[0] >> 3) & 63;
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if ((context->count[0] += len << 3) < (len << 3))
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context->count[1]++;
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context->count[1] += (len >> 29);
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if ((j + len) > 63) {
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memcpy(&context->buffer[j], data, (i = 64-j));
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SHA1Transform(context->state, context->buffer);
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for ( ; i + 63 < len; i += 64) {
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SHA1Transform(context->state, &data[i]);
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}
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j = 0;
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}
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else i = 0;
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memcpy(&context->buffer[j], &data[i], len - i);
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#ifdef VERBOSE
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SHAPrintContext(context, "after ");
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#endif
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}
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/* Add padding and return the message digest. */
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static void SHA1Final(unsigned char digest[20], SHA1_CTX* context)
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{
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u32 i;
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unsigned char finalcount[8];
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for (i = 0; i < 8; i++) {
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finalcount[i] = (unsigned char)
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((context->count[(i >= 4 ? 0 : 1)] >>
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((3-(i & 3)) * 8) ) & 255); /* Endian independent */
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}
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SHA1Update(context, (unsigned char *) "\200", 1);
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while ((context->count[0] & 504) != 448) {
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SHA1Update(context, (unsigned char *) "\0", 1);
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}
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SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform()
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*/
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for (i = 0; i < 20; i++) {
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digest[i] = (unsigned char)
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((context->state[i >> 2] >> ((3 - (i & 3)) * 8)) &
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255);
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}
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/* Wipe variables */
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i = 0;
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memset(context->buffer, 0, 64);
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memset(context->state, 0, 20);
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memset(context->count, 0, 8);
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memset(finalcount, 0, 8);
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}
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/* ===== end - public domain SHA1 implementation ===== */
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#endif /* EAP_TLS_FUNCS */
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#ifdef TEST_MAIN
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#include "md5.c"
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static int test_eap_fast(void)
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{
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/* draft-cam-winget-eap-fast-01.txt */
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const u8 pac_key[] = {
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0x0B, 0x97, 0x39, 0x0F, 0x37, 0x51, 0x78, 0x09,
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0x81, 0x1E, 0xFD, 0x9C, 0x6E, 0x65, 0x94, 0x2B,
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0x63, 0x2C, 0xE9, 0x53, 0x89, 0x38, 0x08, 0xBA,
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0x36, 0x0B, 0x03, 0x7C, 0xD1, 0x85, 0xE4, 0x14
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};
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const u8 seed[] = {
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0x3F, 0xFB, 0x11, 0xC4, 0x6C, 0xBF, 0xA5, 0x7A,
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0x54, 0x40, 0xDA, 0xE8, 0x22, 0xD3, 0x11, 0xD3,
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0xF7, 0x6D, 0xE4, 0x1D, 0xD9, 0x33, 0xE5, 0x93,
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0x70, 0x97, 0xEB, 0xA9, 0xB3, 0x66, 0xF4, 0x2A,
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0x00, 0x00, 0x00, 0x02, 0x6A, 0x66, 0x43, 0x2A,
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0x8D, 0x14, 0x43, 0x2C, 0xEC, 0x58, 0x2D, 0x2F,
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0xC7, 0x9C, 0x33, 0x64, 0xBA, 0x04, 0xAD, 0x3A,
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0x52, 0x54, 0xD6, 0xA5, 0x79, 0xAD, 0x1E, 0x00
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};
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const u8 master_secret[] = {
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0x4A, 0x1A, 0x51, 0x2C, 0x01, 0x60, 0xBC, 0x02,
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0x3C, 0xCF, 0xBC, 0x83, 0x3F, 0x03, 0xBC, 0x64,
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0x88, 0xC1, 0x31, 0x2F, 0x0B, 0xA9, 0xA2, 0x77,
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0x16, 0xA8, 0xD8, 0xE8, 0xBD, 0xC9, 0xD2, 0x29,
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0x38, 0x4B, 0x7A, 0x85, 0xBE, 0x16, 0x4D, 0x27,
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0x33, 0xD5, 0x24, 0x79, 0x87, 0xB1, 0xC5, 0xA2
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};
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const u8 key_block[] = {
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0x59, 0x59, 0xBE, 0x8E, 0x41, 0x3A, 0x77, 0x74,
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0x8B, 0xB2, 0xE5, 0xD3, 0x60, 0xAC, 0x4D, 0x35,
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0xDF, 0xFB, 0xC8, 0x1E, 0x9C, 0x24, 0x9C, 0x8B,
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0x0E, 0xC3, 0x1D, 0x72, 0xC8, 0x84, 0x9D, 0x57,
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0x48, 0x51, 0x2E, 0x45, 0x97, 0x6C, 0x88, 0x70,
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0xBE, 0x5F, 0x01, 0xD3, 0x64, 0xE7, 0x4C, 0xBB,
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0x11, 0x24, 0xE3, 0x49, 0xE2, 0x3B, 0xCD, 0xEF,
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0x7A, 0xB3, 0x05, 0x39, 0x5D, 0x64, 0x8A, 0x44,
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0x11, 0xB6, 0x69, 0x88, 0x34, 0x2E, 0x8E, 0x29,
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0xD6, 0x4B, 0x7D, 0x72, 0x17, 0x59, 0x28, 0x05,
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0xAF, 0xF9, 0xB7, 0xFF, 0x66, 0x6D, 0xA1, 0x96,
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0x8F, 0x0B, 0x5E, 0x06, 0x46, 0x7A, 0x44, 0x84,
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0x64, 0xC1, 0xC8, 0x0C, 0x96, 0x44, 0x09, 0x98,
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0xFF, 0x92, 0xA8, 0xB4, 0xC6, 0x42, 0x28, 0x71
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};
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const u8 sks[] = {
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0xD6, 0x4B, 0x7D, 0x72, 0x17, 0x59, 0x28, 0x05,
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0xAF, 0xF9, 0xB7, 0xFF, 0x66, 0x6D, 0xA1, 0x96,
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0x8F, 0x0B, 0x5E, 0x06, 0x46, 0x7A, 0x44, 0x84,
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0x64, 0xC1, 0xC8, 0x0C, 0x96, 0x44, 0x09, 0x98,
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0xFF, 0x92, 0xA8, 0xB4, 0xC6, 0x42, 0x28, 0x71
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};
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const u8 isk[] = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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const u8 imck[] = {
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0x16, 0x15, 0x3C, 0x3F, 0x21, 0x55, 0xEF, 0xD9,
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0x7F, 0x34, 0xAE, 0xC8, 0x1A, 0x4E, 0x66, 0x80,
|
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0x4C, 0xC3, 0x76, 0xF2, 0x8A, 0xA9, 0x6F, 0x96,
|
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0xC2, 0x54, 0x5F, 0x8C, 0xAB, 0x65, 0x02, 0xE1,
|
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0x18, 0x40, 0x7B, 0x56, 0xBE, 0xEA, 0xA7, 0xC5,
|
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0x76, 0x5D, 0x8F, 0x0B, 0xC5, 0x07, 0xC6, 0xB9,
|
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0x04, 0xD0, 0x69, 0x56, 0x72, 0x8B, 0x6B, 0xB8,
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0x15, 0xEC, 0x57, 0x7B
|
|
};
|
|
const u8 msk[] = {
|
|
0x4D, 0x83, 0xA9, 0xBE, 0x6F, 0x8A, 0x74, 0xED,
|
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0x6A, 0x02, 0x66, 0x0A, 0x63, 0x4D, 0x2C, 0x33,
|
|
0xC2, 0xDA, 0x60, 0x15, 0xC6, 0x37, 0x04, 0x51,
|
|
0x90, 0x38, 0x63, 0xDA, 0x54, 0x3E, 0x14, 0xB9,
|
|
0x27, 0x99, 0x18, 0x1E, 0x07, 0xBF, 0x0F, 0x5A,
|
|
0x5E, 0x3C, 0x32, 0x93, 0x80, 0x8C, 0x6C, 0x49,
|
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0x67, 0xED, 0x24, 0xFE, 0x45, 0x40, 0xA0, 0x59,
|
|
0x5E, 0x37, 0xC2, 0xE9, 0xD0, 0x5D, 0x0A, 0xE3
|
|
};
|
|
u8 tlv[] = {
|
|
0x80, 0x0C, 0x00, 0x38, 0x00, 0x01, 0x01, 0x00,
|
|
0xD8, 0x6A, 0x8C, 0x68, 0x3C, 0x32, 0x31, 0xA8,
|
|
0x56, 0x63, 0xB6, 0x40, 0x21, 0xFE, 0x21, 0x14,
|
|
0x4E, 0xE7, 0x54, 0x20, 0x79, 0x2D, 0x42, 0x62,
|
|
0xC9, 0xBF, 0x53, 0x7F, 0x54, 0xFD, 0xAC, 0x58,
|
|
0x43, 0x24, 0x6E, 0x30, 0x92, 0x17, 0x6D, 0xCF,
|
|
0xE6, 0xE0, 0x69, 0xEB, 0x33, 0x61, 0x6A, 0xCC,
|
|
0x05, 0xC5, 0x5B, 0xB7
|
|
};
|
|
const u8 compound_mac[] = {
|
|
0x43, 0x24, 0x6E, 0x30, 0x92, 0x17, 0x6D, 0xCF,
|
|
0xE6, 0xE0, 0x69, 0xEB, 0x33, 0x61, 0x6A, 0xCC,
|
|
0x05, 0xC5, 0x5B, 0xB7
|
|
};
|
|
u8 buf[512];
|
|
const u8 *simck, *cmk;
|
|
int errors = 0;
|
|
|
|
printf("EAP-FAST test cases\n");
|
|
|
|
printf("- T-PRF (SHA1) test case / master_secret\n");
|
|
sha1_t_prf(pac_key, sizeof(pac_key), "PAC to master secret label hash",
|
|
seed, sizeof(seed), buf, sizeof(master_secret));
|
|
if (memcmp(master_secret, buf, sizeof(master_secret)) != 0) {
|
|
printf("T-PRF test - FAILED!\n");
|
|
errors++;
|
|
}
|
|
|
|
printf("- PRF (TLS, SHA1/MD5) test case / key_block\n");
|
|
tls_prf(master_secret, sizeof(master_secret), "key expansion",
|
|
seed, sizeof(seed), buf, sizeof(key_block));
|
|
if (memcmp(key_block, buf, sizeof(key_block)) != 0) {
|
|
printf("PRF test - FAILED!\n");
|
|
errors++;
|
|
}
|
|
|
|
printf("- T-PRF (SHA1) test case / IMCK\n");
|
|
sha1_t_prf(sks, sizeof(sks), "Inner Methods Compound Keys",
|
|
isk, sizeof(isk), buf, sizeof(imck));
|
|
if (memcmp(imck, buf, sizeof(imck)) != 0) {
|
|
printf("T-PRF test - FAILED!\n");
|
|
errors++;
|
|
}
|
|
|
|
simck = imck;
|
|
cmk = imck + 40;
|
|
|
|
printf("- T-PRF (SHA1) test case / MSK\n");
|
|
sha1_t_prf(simck, 40, "Session Key Generating Function",
|
|
"", 0, buf, sizeof(msk));
|
|
if (memcmp(msk, buf, sizeof(msk)) != 0) {
|
|
printf("T-PRF test - FAILED!\n");
|
|
errors++;
|
|
}
|
|
|
|
printf("- Compound MAC test case\n");
|
|
memset(tlv + sizeof(tlv) - 20, 0, 20);
|
|
hmac_sha1(cmk, 20, tlv, sizeof(tlv), tlv + sizeof(tlv) - 20);
|
|
if (memcmp(tlv + sizeof(tlv) - 20, compound_mac, sizeof(compound_mac))
|
|
!= 0) {
|
|
printf("Compound MAC test - FAILED!\n");
|
|
errors++;
|
|
}
|
|
|
|
return errors;
|
|
}
|
|
|
|
|
|
static u8 key0[] =
|
|
{
|
|
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
|
|
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
|
|
0x0b, 0x0b, 0x0b, 0x0b
|
|
};
|
|
static u8 data0[] = "Hi There";
|
|
static u8 prf0[] =
|
|
{
|
|
0xbc, 0xd4, 0xc6, 0x50, 0xb3, 0x0b, 0x96, 0x84,
|
|
0x95, 0x18, 0x29, 0xe0, 0xd7, 0x5f, 0x9d, 0x54,
|
|
0xb8, 0x62, 0x17, 0x5e, 0xd9, 0xf0, 0x06, 0x06,
|
|
0xe1, 0x7d, 0x8d, 0xa3, 0x54, 0x02, 0xff, 0xee,
|
|
0x75, 0xdf, 0x78, 0xc3, 0xd3, 0x1e, 0x0f, 0x88,
|
|
0x9f, 0x01, 0x21, 0x20, 0xc0, 0x86, 0x2b, 0xeb,
|
|
0x67, 0x75, 0x3e, 0x74, 0x39, 0xae, 0x24, 0x2e,
|
|
0xdb, 0x83, 0x73, 0x69, 0x83, 0x56, 0xcf, 0x5a
|
|
};
|
|
|
|
static u8 key1[] = "Jefe";
|
|
static u8 data1[] = "what do ya want for nothing?";
|
|
static u8 prf1[] =
|
|
{
|
|
0x51, 0xf4, 0xde, 0x5b, 0x33, 0xf2, 0x49, 0xad,
|
|
0xf8, 0x1a, 0xeb, 0x71, 0x3a, 0x3c, 0x20, 0xf4,
|
|
0xfe, 0x63, 0x14, 0x46, 0xfa, 0xbd, 0xfa, 0x58,
|
|
0x24, 0x47, 0x59, 0xae, 0x58, 0xef, 0x90, 0x09,
|
|
0xa9, 0x9a, 0xbf, 0x4e, 0xac, 0x2c, 0xa5, 0xfa,
|
|
0x87, 0xe6, 0x92, 0xc4, 0x40, 0xeb, 0x40, 0x02,
|
|
0x3e, 0x7b, 0xab, 0xb2, 0x06, 0xd6, 0x1d, 0xe7,
|
|
0xb9, 0x2f, 0x41, 0x52, 0x90, 0x92, 0xb8, 0xfc
|
|
};
|
|
|
|
|
|
static u8 key2[] =
|
|
{
|
|
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
|
|
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
|
|
0xaa, 0xaa, 0xaa, 0xaa
|
|
};
|
|
static u8 data2[] =
|
|
{
|
|
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
|
|
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
|
|
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
|
|
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
|
|
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
|
|
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
|
|
0xdd, 0xdd
|
|
};
|
|
static u8 prf2[] =
|
|
{
|
|
0xe1, 0xac, 0x54, 0x6e, 0xc4, 0xcb, 0x63, 0x6f,
|
|
0x99, 0x76, 0x48, 0x7b, 0xe5, 0xc8, 0x6b, 0xe1,
|
|
0x7a, 0x02, 0x52, 0xca, 0x5d, 0x8d, 0x8d, 0xf1,
|
|
0x2c, 0xfb, 0x04, 0x73, 0x52, 0x52, 0x49, 0xce,
|
|
0x9d, 0xd8, 0xd1, 0x77, 0xea, 0xd7, 0x10, 0xbc,
|
|
0x9b, 0x59, 0x05, 0x47, 0x23, 0x91, 0x07, 0xae,
|
|
0xf7, 0xb4, 0xab, 0xd4, 0x3d, 0x87, 0xf0, 0xa6,
|
|
0x8f, 0x1c, 0xbd, 0x9e, 0x2b, 0x6f, 0x76, 0x07
|
|
};
|
|
|
|
|
|
struct passphrase_test {
|
|
char *passphrase;
|
|
char *ssid;
|
|
char psk[32];
|
|
};
|
|
|
|
static struct passphrase_test passphrase_tests[] =
|
|
{
|
|
{
|
|
"password",
|
|
"IEEE",
|
|
{
|
|
0xf4, 0x2c, 0x6f, 0xc5, 0x2d, 0xf0, 0xeb, 0xef,
|
|
0x9e, 0xbb, 0x4b, 0x90, 0xb3, 0x8a, 0x5f, 0x90,
|
|
0x2e, 0x83, 0xfe, 0x1b, 0x13, 0x5a, 0x70, 0xe2,
|
|
0x3a, 0xed, 0x76, 0x2e, 0x97, 0x10, 0xa1, 0x2e
|
|
}
|
|
},
|
|
{
|
|
"ThisIsAPassword",
|
|
"ThisIsASSID",
|
|
{
|
|
0x0d, 0xc0, 0xd6, 0xeb, 0x90, 0x55, 0x5e, 0xd6,
|
|
0x41, 0x97, 0x56, 0xb9, 0xa1, 0x5e, 0xc3, 0xe3,
|
|
0x20, 0x9b, 0x63, 0xdf, 0x70, 0x7d, 0xd5, 0x08,
|
|
0xd1, 0x45, 0x81, 0xf8, 0x98, 0x27, 0x21, 0xaf
|
|
}
|
|
},
|
|
{
|
|
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
|
|
"ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ",
|
|
{
|
|
0xbe, 0xcb, 0x93, 0x86, 0x6b, 0xb8, 0xc3, 0x83,
|
|
0x2c, 0xb7, 0x77, 0xc2, 0xf5, 0x59, 0x80, 0x7c,
|
|
0x8c, 0x59, 0xaf, 0xcb, 0x6e, 0xae, 0x73, 0x48,
|
|
0x85, 0x00, 0x13, 0x00, 0xa9, 0x81, 0xcc, 0x62
|
|
}
|
|
},
|
|
};
|
|
|
|
#define NUM_PASSPHRASE_TESTS \
|
|
(sizeof(passphrase_tests) / sizeof(passphrase_tests[0]))
|
|
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
u8 res[512];
|
|
int ret = 0, i;
|
|
|
|
printf("PRF-SHA1 test cases:\n");
|
|
|
|
sha1_prf(key0, sizeof(key0), "prefix", data0, sizeof(data0) - 1,
|
|
res, sizeof(prf0));
|
|
if (memcmp(res, prf0, sizeof(prf0)) == 0)
|
|
printf("Test case 0 - OK\n");
|
|
else {
|
|
printf("Test case 0 - FAILED!\n");
|
|
ret++;
|
|
}
|
|
|
|
sha1_prf(key1, sizeof(key1) - 1, "prefix", data1, sizeof(data1) - 1,
|
|
res, sizeof(prf1));
|
|
if (memcmp(res, prf1, sizeof(prf1)) == 0)
|
|
printf("Test case 1 - OK\n");
|
|
else {
|
|
printf("Test case 1 - FAILED!\n");
|
|
ret++;
|
|
}
|
|
|
|
sha1_prf(key2, sizeof(key2), "prefix", data2, sizeof(data2),
|
|
res, sizeof(prf2));
|
|
if (memcmp(res, prf2, sizeof(prf2)) == 0)
|
|
printf("Test case 2 - OK\n");
|
|
else {
|
|
printf("Test case 2 - FAILED!\n");
|
|
ret++;
|
|
}
|
|
|
|
ret += test_eap_fast();
|
|
|
|
printf("PBKDF2-SHA1 Passphrase test cases:\n");
|
|
for (i = 0; i < NUM_PASSPHRASE_TESTS; i++) {
|
|
u8 psk[32];
|
|
struct passphrase_test *test = &passphrase_tests[i];
|
|
pbkdf2_sha1(test->passphrase,
|
|
test->ssid, strlen(test->ssid),
|
|
4096, psk, 32);
|
|
if (memcmp(psk, test->psk, 32) == 0)
|
|
printf("Test case %d - OK\n", i);
|
|
else {
|
|
printf("Test case %d - FAILED!\n", i);
|
|
ret++;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif /* TEST_MAIN */
|