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/* SPDX-License-Identifier: GPL-2.0+ OR Apache-2.0 */
#ifndef __EROFS_LIB_SHA256_H
#define __EROFS_LIB_SHA256_H
#include "erofs/defs.h"
#if defined(HAVE_OPENSSL) && defined(HAVE_OPENSSL_EVP_H)
#include <openssl/evp.h>
struct sha256_state {
EVP_MD_CTX *ctx;
};
#define __USE_OPENSSL_SHA256
#else
struct sha256_state {
u64 length;
u32 state[8], curlen;
u8 buf[64];
};
#endif
void erofs_sha256_init(struct sha256_state *md);
int erofs_sha256_process(struct sha256_state *md,
const unsigned char *in, unsigned long inlen);
int erofs_sha256_done(struct sha256_state *md, unsigned char *out);
void erofs_sha256(const unsigned char *in, unsigned long in_size,
unsigned char out[32]);
#endif
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