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22 lines
723 B
C
22 lines
723 B
C
/*
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* Exynos FMP derive iv for eCryptfs
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*
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* Copyright (C) 2015 Samsung Electronics Co., Ltd.
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef _FMP_DERIVE_IV_H_
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#define _FMP_DERIVE_IV_H_
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#define SHA256_HASH_SIZE 32
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#define MD5_DIGEST_SIZE 16
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int calculate_sha256(struct crypto_hash *hash_tfm, char *dst, char *src, int len);
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int calculate_md5(struct crypto_hash *hash_tfm, char *dst, char *src, int len);
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int file_enc_derive_iv(struct address_space *mapping, loff_t offset, char *extent_iv);
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#endif
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