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sudo-project
GitHub Repository: sudo-project/sudo
 Path: blob/main/include/sudo_digest.h
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/*

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 * SPDX-License-Identifier: ISC

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 *

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 * Copyright (c) 2018 Todd C. Miller <[email protected]>

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 *

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 * Permission to use, copy, modify, and distribute this software for any

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 * purpose with or without fee is hereby granted, provided that the above

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 * copyright notice and this permission notice appear in all copies.

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 *

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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

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 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

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 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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 */

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#ifndef SUDO_DIGEST_H

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#define SUDO_DIGEST_H

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/* Digest types. */

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#define SUDO_DIGEST_SHA224	0

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#define SUDO_DIGEST_SHA256	1

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#define SUDO_DIGEST_SHA384	2

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#define SUDO_DIGEST_SHA512	3

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#define SUDO_DIGEST_INVALID	4

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struct sudo_digest;

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/* Public functions. */

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sudo_dso_public struct sudo_digest *sudo_digest_alloc_v1(unsigned int digest_type);

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sudo_dso_public void sudo_digest_free_v1(struct sudo_digest *dig);

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sudo_dso_public void sudo_digest_reset_v1(struct sudo_digest *dig);

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sudo_dso_public int sudo_digest_getlen_v1(unsigned int digest_type);

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sudo_dso_public size_t sudo_digest_getlen_v2(unsigned int digest_type);

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sudo_dso_public void sudo_digest_update_v1(struct sudo_digest *dig, const void *data, size_t len);

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sudo_dso_public void sudo_digest_final_v1(struct sudo_digest *dig, unsigned char *md);

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#define sudo_digest_alloc(_a) sudo_digest_alloc_v1((_a))

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#define sudo_digest_free(_a) sudo_digest_free_v1((_a))

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#define sudo_digest_reset(_a) sudo_digest_reset_v1((_a))

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#define sudo_digest_getlen(_a) sudo_digest_getlen_v2((_a))

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#define sudo_digest_update(_a, _b, _c) sudo_digest_update_v1((_a), (_b), (_c))

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#define sudo_digest_final(_a, _b) sudo_digest_final_v1((_a), (_b))

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#endif /* SUDO_DIGEST_H */

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