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/*
* Crypto wrapper for internal crypto implementation - RSA parts
* 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 "tls/rsa.h"
#include "tls/bignum.h"
#include "tls/pkcs1.h"
#include "tls/pkcs8.h"
/* Dummy structures; these are just typecast to struct crypto_rsa_key */
struct crypto_public_key;
struct crypto_private_key;
struct crypto_public_key * crypto_public_key_import(const u8 *key, size_t len)
{
return (struct crypto_public_key *)
crypto_rsa_import_public_key(key, len);
}
struct crypto_private_key * crypto_private_key_import(const u8 *key,
size_t len,
const char *passwd)
{
struct crypto_private_key *res;
/* First, check for possible PKCS #8 encoding */
res = pkcs8_key_import(key, len);
if (res)
return res;
if (passwd) {
/* Try to parse as encrypted PKCS #8 */
res = pkcs8_enc_key_import(key, len, passwd);
if (res)
return res;
}
/* Not PKCS#8, so try to import PKCS #1 encoded RSA private key */
wpa_printf(MSG_DEBUG, "Trying to parse PKCS #1 encoded RSA private "
"key");
return (struct crypto_private_key *)
crypto_rsa_import_private_key(key, len);
}
struct crypto_public_key * crypto_public_key_from_cert(const u8 *buf,
size_t len)
{
/* No X.509 support in crypto_internal.c */
return NULL;
}
int crypto_public_key_encrypt_pkcs1_v15(struct crypto_public_key *key,
const u8 *in, size_t inlen,
u8 *out, size_t *outlen)
{
return pkcs1_encrypt(2, (struct crypto_rsa_key *) key,
0, in, inlen, out, outlen);
}
int crypto_private_key_decrypt_pkcs1_v15(struct crypto_private_key *key,
const u8 *in, size_t inlen,
u8 *out, size_t *outlen)
{
return pkcs1_v15_private_key_decrypt((struct crypto_rsa_key *) key,
in, inlen, out, outlen);
}
int crypto_private_key_sign_pkcs1(struct crypto_private_key *key,
const u8 *in, size_t inlen,
u8 *out, size_t *outlen)
{
return pkcs1_encrypt(1, (struct crypto_rsa_key *) key,
1, in, inlen, out, outlen);
}
void crypto_public_key_free(struct crypto_public_key *key)
{
crypto_rsa_free((struct crypto_rsa_key *) key);
}
void crypto_private_key_free(struct crypto_private_key *key)
{
crypto_rsa_free((struct crypto_rsa_key *) key);
}
int crypto_public_key_decrypt_pkcs1(struct crypto_public_key *key,
const u8 *crypt, size_t crypt_len,
u8 *plain, size_t *plain_len)
{
return pkcs1_decrypt_public_key((struct crypto_rsa_key *) key,
crypt, crypt_len, plain, plain_len);
}
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