X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=libeap%2Fsrc%2Fcrypto%2Fcrypto_internal.c;fp=libeap%2Fsrc%2Fcrypto%2Fcrypto_internal.c;h=0000000000000000000000000000000000000000;hb=f97b4afa66e8dac81ebb2091cae16f03f69ddd36;hp=8fdba65802750d2a374919f3bed0e62e93ced2a0;hpb=cad75f2a4ad5229b5035ad5a633e4a10d9fb5b9f;p=mech_eap.git

diff --git a/libeap/src/crypto/crypto_internal.c b/libeap/src/crypto/crypto_internal.c
deleted file mode 100644
index 8fdba65..0000000
--- a/libeap/src/crypto/crypto_internal.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- * Crypto wrapper for internal crypto implementation
- * Copyright (c) 2006-2009, 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 "common.h"
-#include "crypto.h"
-#include "sha1_i.h"
-#include "md5_i.h"
-
-struct crypto_hash {
-	enum crypto_hash_alg alg;
-	union {
-		struct MD5Context md5;
-		struct SHA1Context sha1;
-	} u;
-	u8 key[64];
-	size_t key_len;
-};
-
-
-struct crypto_hash * crypto_hash_init(enum crypto_hash_alg alg, const u8 *key,
-				      size_t key_len)
-{
-	struct crypto_hash *ctx;
-	u8 k_pad[64];
-	u8 tk[20];
-	size_t i;
-
-	ctx = os_zalloc(sizeof(*ctx));
-	if (ctx == NULL)
-		return NULL;
-
-	ctx->alg = alg;
-
-	switch (alg) {
-	case CRYPTO_HASH_ALG_MD5:
-		MD5Init(&ctx->u.md5);
-		break;
-	case CRYPTO_HASH_ALG_SHA1:
-		SHA1Init(&ctx->u.sha1);
-		break;
-	case CRYPTO_HASH_ALG_HMAC_MD5:
-		if (key_len > sizeof(k_pad)) {
-			MD5Init(&ctx->u.md5);
-			MD5Update(&ctx->u.md5, key, key_len);
-			MD5Final(tk, &ctx->u.md5);
-			key = tk;
-			key_len = 16;
-		}
-		os_memcpy(ctx->key, key, key_len);
-		ctx->key_len = key_len;
-
-		os_memcpy(k_pad, key, key_len);
-		os_memset(k_pad + key_len, 0, sizeof(k_pad) - key_len);
-		for (i = 0; i < sizeof(k_pad); i++)
-			k_pad[i] ^= 0x36;
-		MD5Init(&ctx->u.md5);
-		MD5Update(&ctx->u.md5, k_pad, sizeof(k_pad));
-		break;
-	case CRYPTO_HASH_ALG_HMAC_SHA1:
-		if (key_len > sizeof(k_pad)) {
-			SHA1Init(&ctx->u.sha1);
-			SHA1Update(&ctx->u.sha1, key, key_len);
-			SHA1Final(tk, &ctx->u.sha1);
-			key = tk;
-			key_len = 20;
-		}
-		os_memcpy(ctx->key, key, key_len);
-		ctx->key_len = key_len;
-
-		os_memcpy(k_pad, key, key_len);
-		os_memset(k_pad + key_len, 0, sizeof(k_pad) - key_len);
-		for (i = 0; i < sizeof(k_pad); i++)
-			k_pad[i] ^= 0x36;
-		SHA1Init(&ctx->u.sha1);
-		SHA1Update(&ctx->u.sha1, k_pad, sizeof(k_pad));
-		break;
-	default:
-		os_free(ctx);
-		return NULL;
-	}
-
-	return ctx;
-}
-
-
-void crypto_hash_update(struct crypto_hash *ctx, const u8 *data, size_t len)
-{
-	if (ctx == NULL)
-		return;
-
-	switch (ctx->alg) {
-	case CRYPTO_HASH_ALG_MD5:
-	case CRYPTO_HASH_ALG_HMAC_MD5:
-		MD5Update(&ctx->u.md5, data, len);
-		break;
-	case CRYPTO_HASH_ALG_SHA1:
-	case CRYPTO_HASH_ALG_HMAC_SHA1:
-		SHA1Update(&ctx->u.sha1, data, len);
-		break;
-	}
-}
-
-
-int crypto_hash_finish(struct crypto_hash *ctx, u8 *mac, size_t *len)
-{
-	u8 k_pad[64];
-	size_t i;
-
-	if (ctx == NULL)
-		return -2;
-
-	if (mac == NULL || len == NULL) {
-		os_free(ctx);
-		return 0;
-	}
-
-	switch (ctx->alg) {
-	case CRYPTO_HASH_ALG_MD5:
-		if (*len < 16) {
-			*len = 16;
-			os_free(ctx);
-			return -1;
-		}
-		*len = 16;
-		MD5Final(mac, &ctx->u.md5);
-		break;
-	case CRYPTO_HASH_ALG_SHA1:
-		if (*len < 20) {
-			*len = 20;
-			os_free(ctx);
-			return -1;
-		}
-		*len = 20;
-		SHA1Final(mac, &ctx->u.sha1);
-		break;
-	case CRYPTO_HASH_ALG_HMAC_MD5:
-		if (*len < 16) {
-			*len = 16;
-			os_free(ctx);
-			return -1;
-		}
-		*len = 16;
-
-		MD5Final(mac, &ctx->u.md5);
-
-		os_memcpy(k_pad, ctx->key, ctx->key_len);
-		os_memset(k_pad + ctx->key_len, 0,
-			  sizeof(k_pad) - ctx->key_len);
-		for (i = 0; i < sizeof(k_pad); i++)
-			k_pad[i] ^= 0x5c;
-		MD5Init(&ctx->u.md5);
-		MD5Update(&ctx->u.md5, k_pad, sizeof(k_pad));
-		MD5Update(&ctx->u.md5, mac, 16);
-		MD5Final(mac, &ctx->u.md5);
-		break;
-	case CRYPTO_HASH_ALG_HMAC_SHA1:
-		if (*len < 20) {
-			*len = 20;
-			os_free(ctx);
-			return -1;
-		}
-		*len = 20;
-
-		SHA1Final(mac, &ctx->u.sha1);
-
-		os_memcpy(k_pad, ctx->key, ctx->key_len);
-		os_memset(k_pad + ctx->key_len, 0,
-			  sizeof(k_pad) - ctx->key_len);
-		for (i = 0; i < sizeof(k_pad); i++)
-			k_pad[i] ^= 0x5c;
-		SHA1Init(&ctx->u.sha1);
-		SHA1Update(&ctx->u.sha1, k_pad, sizeof(k_pad));
-		SHA1Update(&ctx->u.sha1, mac, 20);
-		SHA1Final(mac, &ctx->u.sha1);
-		break;
-	}
-
-	os_free(ctx);
-
-	return 0;
-}
-
-
-int crypto_global_init(void)
-{
-	return 0;
-}
-
-
-void crypto_global_deinit(void)
-{
-}