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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// Stripped down version of security/nss/lib/freebl/blapi.h
// and related headers.
#ifndef _SHA256_H_
#define _SHA256_H_
#define SHA256_LENGTH 32
#include "prtypes.h" /* for PRUintXX */
#include "prlong.h"
#ifdef __cplusplus
extern "C" {
#endif
struct SHA256Context {
union {
PRUint32 w[64]; /* message schedule, input buffer, plus 48 words */
PRUint8 b[256];
} u;
PRUint32 h[8]; /* 8 state variables */
PRUint32 sizeHi,sizeLo; /* 64-bit count of hashed bytes. */
};
typedef struct SHA256Context SHA256Context;
extern void
SHA256_Begin(SHA256Context *ctx);
extern void
SHA256_Update(SHA256Context *ctx, const unsigned char *input,
unsigned int inputLen);
extern void
SHA256_End(SHA256Context *ctx, unsigned char *digest,
unsigned int *digestLen, unsigned int maxDigestLen);
#ifdef __cplusplus
} /* extern C */
#endif
#endif /* _SHA256_H_ */
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