mirror of
https://github.com/morgan9e/systemd
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0bac442251
Adds a util function to sha256 an open fd (moved from dissect). Also adds functions to check if a string contains a valid sha256 hash, and parse it into a sha256 array.
17 lines
441 B
C
17 lines
441 B
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include <stdint.h>
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#include "sha256-fundamental.h"
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#include "string-util.h"
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int sha256_fd(int fd, uint64_t max_size, uint8_t ret[static SHA256_DIGEST_SIZE]);
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int parse_sha256(const char *s, uint8_t res[static SHA256_DIGEST_SIZE]);
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static inline bool sha256_is_valid(const char *s) {
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return s && in_charset(s, HEXDIGITS) && (strlen(s) == SHA256_DIGEST_SIZE * 2);
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}
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