2 zip_crypto_openssl.h -- definitions for OpenSSL wrapper.
3 Copyright (C) 2018-2021 Dieter Baron and Thomas Klausner
5 This file is part of libzip, a library to manipulate ZIP archives.
6 The authors can be contacted at <libzip@nih.at>
8 Redistribution and use in source and binary forms, with or without
9 modification, are permitted provided that the following conditions
11 1. Redistributions of source code must retain the above copyright
12 notice, this list of conditions and the following disclaimer.
13 2. Redistributions in binary form must reproduce the above copyright
14 notice, this list of conditions and the following disclaimer in
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17 3. The names of the authors may not be used to endorse or promote
18 products derived from this software without specific prior
21 THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
22 OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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34 #ifndef HAD_ZIP_CRYPTO_OPENSSL_H
35 #define HAD_ZIP_CRYPTO_OPENSSL_H
37 #define HAVE_SECURE_RANDOM
39 #include <openssl/evp.h>
40 #include <openssl/hmac.h>
42 #define _zip_crypto_aes_t EVP_CIPHER_CTX
43 #define _zip_crypto_hmac_t HMAC_CTX
45 void _zip_crypto_aes_free(_zip_crypto_aes_t *aes);
46 bool _zip_crypto_aes_encrypt_block(_zip_crypto_aes_t *aes, const zip_uint8_t *in, zip_uint8_t *out);
47 _zip_crypto_aes_t *_zip_crypto_aes_new(const zip_uint8_t *key, zip_uint16_t key_size, zip_error_t *error);
49 #define _zip_crypto_hmac(hmac, data, length) (HMAC_Update((hmac), (data), (length)) == 1)
50 void _zip_crypto_hmac_free(_zip_crypto_hmac_t *hmac);
51 _zip_crypto_hmac_t *_zip_crypto_hmac_new(const zip_uint8_t *secret, zip_uint64_t secret_length, zip_error_t *error);
52 bool _zip_crypto_hmac_output(_zip_crypto_hmac_t *hmac, zip_uint8_t *data);
54 #define _zip_crypto_pbkdf2(key, key_length, salt, salt_length, iterations, output, output_length) (PKCS5_PBKDF2_HMAC_SHA1((const char *)(key), (key_length), (salt), (salt_length), (iterations), (output_length), (output)))
56 #endif /* HAD_ZIP_CRYPTO_OPENSSL_H */