/* NetHack 5.0 nhmd4.h $NHDT-Date: 1781973084 2026/06/20 16:31:24 $ $NHDT-Branch: NetHack-5.0 $:$NHDT-Revision: 1.2 $ */

/*- Copyright (c) Kenneth Lorber, Kensington, Maryland, 2024 */

/* NetHack may be freely redistributed. See license for details. */

// Derived from:

/*

* This is an OpenSSL-compatible implementation of the RSA Data Security,

* Inc. MD4 Message-Digest Algorithm.

*

* Written by Solar Designer <solar@openwall.com> in 2001, and placed in

* the public domain. See md4.c for more information.

*/

#ifndef NHMD4_H

#define NHMD4_H

#define NHMD4_DIGEST_LENGTH 128

#define NHMD4_RESULTLEN (128 / 8) /* 16 */

typedef uint32_t quint32;

struct nhmd4_context {

quint32 lo, hi;

quint32 a, b, c, d;

unsigned char buffer[64];

quint32 block[NHMD4_RESULTLEN];

};

typedef struct nhmd4_context NHMD4_CTX;

extern void nhmd4_init(NHMD4_CTX *ctx);

extern void nhmd4_update(NHMD4_CTX *, const unsigned char *, size_t);

extern void nhmd4_final(NHMD4_CTX *, unsigned char result[NHMD4_RESULTLEN]);

#endif /* NHMD4_H */

/*nhmd4.h*/