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/*
* Copyright (c) 2018 Todd C. Miller <Todd.Miller@sudo.ws>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef SUDO_DIGEST_H
#define SUDO_DIGEST_H
/* Digest types. */
#define SUDO_DIGEST_SHA224 0
#define SUDO_DIGEST_SHA256 1
#define SUDO_DIGEST_SHA384 2
#define SUDO_DIGEST_SHA512 3
#define SUDO_DIGEST_INVALID 4
struct sudo_digest;
/* Public functions. */
__dso_public struct sudo_digest *sudo_digest_alloc_v1(int digest_type);
__dso_public void sudo_digest_free_v1(struct sudo_digest *dig);
__dso_public void sudo_digest_reset_v1(struct sudo_digest *dig);
__dso_public int sudo_digest_getlen_v1(int digest_type);
__dso_public void sudo_digest_update_v1(struct sudo_digest *dig, const void *data, size_t len);
__dso_public void sudo_digest_final_v1(struct sudo_digest *dig, unsigned char *md);
#define sudo_digest_alloc(_a) sudo_digest_alloc_v1((_a))
#define sudo_digest_free(_a) sudo_digest_free_v1((_a))
#define sudo_digest_reset(_a) sudo_digest_reset_v1((_a))
#define sudo_digest_getlen(_a) sudo_digest_getlen_v1((_a))
#define sudo_digest_update(_a, _b, _c) sudo_digest_update_v1((_a), (_b), (_c))
#define sudo_digest_final(_a, _b) sudo_digest_final_v1((_a), (_b))
#endif /* SUDO_DIGEST_H */
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