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https://gitlab.com/cryptsetup/cryptsetup.git
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0738ba2451
It is called from kernel crypt backend unconditionally with the proper define in config.h but some static parrsers are not so clever. Compilation will fail in linker phase anyway if wrongly used.
62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
/*
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* crypto backend implementation
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*
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* Copyright (C) 2010-2021 Red Hat, Inc. All rights reserved.
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* Copyright (C) 2010-2021 Milan Broz
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*
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* This file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this file; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _CRYPTO_BACKEND_INTERNAL_H
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#define _CRYPTO_BACKEND_INTERNAL_H
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#include "crypto_backend.h"
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/* internal PBKDF2 implementation */
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int pkcs5_pbkdf2(const char *hash,
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const char *P, size_t Plen,
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const char *S, size_t Slen,
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unsigned int c,
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unsigned int dkLen, char *DK,
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unsigned int hash_block_size);
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/* Argon2 implementation wrapper */
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int argon2(const char *type, const char *password, size_t password_length,
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const char *salt, size_t salt_length,
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char *key, size_t key_length,
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uint32_t iterations, uint32_t memory, uint32_t parallel);
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/* Block ciphers: fallback to kernel crypto API */
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struct crypt_cipher_kernel {
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int tfmfd;
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int opfd;
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};
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int crypt_cipher_init_kernel(struct crypt_cipher_kernel *ctx, const char *name,
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const char *mode, const void *key, size_t key_length);
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int crypt_cipher_encrypt_kernel(struct crypt_cipher_kernel *ctx,
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const char *in, char *out, size_t length,
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const char *iv, size_t iv_length);
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int crypt_cipher_decrypt_kernel(struct crypt_cipher_kernel *ctx,
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const char *in, char *out, size_t length,
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const char *iv, size_t iv_length);
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void crypt_cipher_destroy_kernel(struct crypt_cipher_kernel *ctx);
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int crypt_bitlk_decrypt_key_kernel(const void *key, size_t key_length,
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const char *in, char *out, size_t length,
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const char *iv, size_t iv_length,
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const char *tag, size_t tag_length);
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#endif /* _CRYPTO_BACKEND_INTERNAL_H */
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