115 lines
2.8 KiB
C
115 lines
2.8 KiB
C
/*
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* Crypto wrapper for internal crypto implementation - RSA parts
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* Copyright (c) 2006-2009, Jouni Malinen <j@w1.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 "includes.h"
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#include "common.h"
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#include "crypto.h"
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#include "tls/rsa.h"
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#include "tls/bignum.h"
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#include "tls/pkcs1.h"
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#include "tls/pkcs8.h"
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/* Dummy structures; these are just typecast to struct crypto_rsa_key */
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struct crypto_public_key;
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struct crypto_private_key;
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struct crypto_public_key * crypto_public_key_import(const u8 *key, size_t len)
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{
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return (struct crypto_public_key *)
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crypto_rsa_import_public_key(key, len);
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}
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struct crypto_private_key * crypto_private_key_import(const u8 *key,
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size_t len,
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const char *passwd)
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{
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struct crypto_private_key *res;
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/* First, check for possible PKCS #8 encoding */
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res = pkcs8_key_import(key, len);
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if (res)
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return res;
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if (passwd) {
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/* Try to parse as encrypted PKCS #8 */
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res = pkcs8_enc_key_import(key, len, passwd);
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if (res)
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return res;
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}
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/* Not PKCS#8, so try to import PKCS #1 encoded RSA private key */
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wpa_printf(MSG_DEBUG, "Trying to parse PKCS #1 encoded RSA private "
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"key");
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return (struct crypto_private_key *)
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crypto_rsa_import_private_key(key, len);
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}
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struct crypto_public_key * crypto_public_key_from_cert(const u8 *buf,
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size_t len)
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{
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/* No X.509 support in crypto_internal.c */
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return NULL;
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}
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int crypto_public_key_encrypt_pkcs1_v15(struct crypto_public_key *key,
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const u8 *in, size_t inlen,
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u8 *out, size_t *outlen)
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{
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return pkcs1_encrypt(2, (struct crypto_rsa_key *) key,
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0, in, inlen, out, outlen);
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}
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int crypto_private_key_decrypt_pkcs1_v15(struct crypto_private_key *key,
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const u8 *in, size_t inlen,
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u8 *out, size_t *outlen)
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{
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return pkcs1_v15_private_key_decrypt((struct crypto_rsa_key *) key,
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in, inlen, out, outlen);
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}
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int crypto_private_key_sign_pkcs1(struct crypto_private_key *key,
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const u8 *in, size_t inlen,
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u8 *out, size_t *outlen)
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{
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return pkcs1_encrypt(1, (struct crypto_rsa_key *) key,
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1, in, inlen, out, outlen);
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}
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void crypto_public_key_free(struct crypto_public_key *key)
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{
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crypto_rsa_free((struct crypto_rsa_key *) key);
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}
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void crypto_private_key_free(struct crypto_private_key *key)
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{
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crypto_rsa_free((struct crypto_rsa_key *) key);
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}
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int crypto_public_key_decrypt_pkcs1(struct crypto_public_key *key,
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const u8 *crypt, size_t crypt_len,
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u8 *plain, size_t *plain_len)
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{
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return pkcs1_decrypt_public_key((struct crypto_rsa_key *) key,
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crypt, crypt_len, plain, plain_len);
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}
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