wpa_supplicant: Initial Revision 0.8.X
Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date: Thu Apr 21 20:41:01 2011 +0300
Enable CONFIG_DRIVER_NL80211=y in the default configuration
nl80211 should be preferred over WEXT with any recent Linux
kernel version.
Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/crypto/crypto_nss.c b/src/crypto/crypto_nss.c
new file mode 100644
index 0000000..fee4195
--- /dev/null
+++ b/src/crypto/crypto_nss.c
@@ -0,0 +1,213 @@
+/*
+ * Crypto wrapper functions for NSS
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * 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.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <nspr/prtypes.h>
+#include <nspr/plarenas.h>
+#include <nspr/plhash.h>
+#include <nspr/prtime.h>
+#include <nspr/prinrval.h>
+#include <nspr/prclist.h>
+#include <nspr/prlock.h>
+#include <nss/sechash.h>
+#include <nss/pk11pub.h>
+
+#include "common.h"
+#include "crypto.h"
+
+
+static int nss_hash(HASH_HashType type, unsigned int max_res_len,
+ size_t num_elem, const u8 *addr[], const size_t *len,
+ u8 *mac)
+{
+ HASHContext *ctx;
+ size_t i;
+ unsigned int reslen;
+
+ ctx = HASH_Create(type);
+ if (ctx == NULL)
+ return -1;
+
+ HASH_Begin(ctx);
+ for (i = 0; i < num_elem; i++)
+ HASH_Update(ctx, addr[i], len[i]);
+ HASH_End(ctx, mac, &reslen, max_res_len);
+ HASH_Destroy(ctx);
+
+ return 0;
+}
+
+
+void des_encrypt(const u8 *clear, const u8 *key, u8 *cypher)
+{
+ PK11Context *ctx = NULL;
+ PK11SlotInfo *slot;
+ SECItem *param = NULL;
+ PK11SymKey *symkey = NULL;
+ SECItem item;
+ int olen;
+ u8 pkey[8], next, tmp;
+ int i;
+
+ /* Add parity bits to the key */
+ next = 0;
+ for (i = 0; i < 7; i++) {
+ tmp = key[i];
+ pkey[i] = (tmp >> i) | next | 1;
+ next = tmp << (7 - i);
+ }
+ pkey[i] = next | 1;
+
+ slot = PK11_GetBestSlot(CKM_DES_ECB, NULL);
+ if (slot == NULL) {
+ wpa_printf(MSG_ERROR, "NSS: PK11_GetBestSlot failed");
+ goto out;
+ }
+
+ item.type = siBuffer;
+ item.data = pkey;
+ item.len = 8;
+ symkey = PK11_ImportSymKey(slot, CKM_DES_ECB, PK11_OriginDerive,
+ CKA_ENCRYPT, &item, NULL);
+ if (symkey == NULL) {
+ wpa_printf(MSG_ERROR, "NSS: PK11_ImportSymKey failed");
+ goto out;
+ }
+
+ param = PK11_GenerateNewParam(CKM_DES_ECB, symkey);
+ if (param == NULL) {
+ wpa_printf(MSG_ERROR, "NSS: PK11_GenerateNewParam failed");
+ goto out;
+ }
+
+ ctx = PK11_CreateContextBySymKey(CKM_DES_ECB, CKA_ENCRYPT,
+ symkey, param);
+ if (ctx == NULL) {
+ wpa_printf(MSG_ERROR, "NSS: PK11_CreateContextBySymKey("
+ "CKM_DES_ECB) failed");
+ goto out;
+ }
+
+ if (PK11_CipherOp(ctx, cypher, &olen, 8, (void *) clear, 8) !=
+ SECSuccess) {
+ wpa_printf(MSG_ERROR, "NSS: PK11_CipherOp failed");
+ goto out;
+ }
+
+out:
+ if (ctx)
+ PK11_DestroyContext(ctx, PR_TRUE);
+ if (symkey)
+ PK11_FreeSymKey(symkey);
+ if (param)
+ SECITEM_FreeItem(param, PR_TRUE);
+}
+
+
+int rc4_skip(const u8 *key, size_t keylen, size_t skip,
+ u8 *data, size_t data_len)
+{
+ return -1;
+}
+
+
+int md5_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+ return nss_hash(HASH_AlgMD5, 16, num_elem, addr, len, mac);
+}
+
+
+int sha1_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
+{
+ return nss_hash(HASH_AlgSHA1, 20, num_elem, addr, len, mac);
+}
+
+
+int sha256_vector(size_t num_elem, const u8 *addr[], const size_t *len,
+ u8 *mac)
+{
+ return nss_hash(HASH_AlgSHA256, 32, num_elem, addr, len, mac);
+}
+
+
+void * aes_encrypt_init(const u8 *key, size_t len)
+{
+ return NULL;
+}
+
+
+void aes_encrypt(void *ctx, const u8 *plain, u8 *crypt)
+{
+}
+
+
+void aes_encrypt_deinit(void *ctx)
+{
+}
+
+
+void * aes_decrypt_init(const u8 *key, size_t len)
+{
+ return NULL;
+}
+
+
+void aes_decrypt(void *ctx, const u8 *crypt, u8 *plain)
+{
+}
+
+
+void aes_decrypt_deinit(void *ctx)
+{
+}
+
+
+int crypto_mod_exp(const u8 *base, size_t base_len,
+ const u8 *power, size_t power_len,
+ const u8 *modulus, size_t modulus_len,
+ u8 *result, size_t *result_len)
+{
+ return -1;
+}
+
+
+struct crypto_cipher {
+};
+
+
+struct crypto_cipher * crypto_cipher_init(enum crypto_cipher_alg alg,
+ const u8 *iv, const u8 *key,
+ size_t key_len)
+{
+ return NULL;
+}
+
+
+int crypto_cipher_encrypt(struct crypto_cipher *ctx, const u8 *plain,
+ u8 *crypt, size_t len)
+{
+ return -1;
+}
+
+
+int crypto_cipher_decrypt(struct crypto_cipher *ctx, const u8 *crypt,
+ u8 *plain, size_t len)
+{
+ return -1;
+}
+
+
+void crypto_cipher_deinit(struct crypto_cipher *ctx)
+{
+}