/* md2.h

*

* Copyright (C) 2006-2025 wolfSSL Inc.

*

* This file is part of wolfSSL.

*

* wolfSSL is free software; you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation; either version 3 of the License, or

* (at your option) any later version.

*

* wolfSSL is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA

*/

/*!

\file wolfssl/wolfcrypt/md2.h

*/

#ifndef WOLF_CRYPT_MD2_H

#define WOLF_CRYPT_MD2_H

#include <wolfssl/wolfcrypt/types.h>

#ifdef WOLFSSL_MD2

#ifdef __cplusplus

extern "C" {

#endif

/* in bytes */

enum {

WC_MD2_BLOCK_SIZE = 16,

WC_MD2_DIGEST_SIZE = 16,

WC_MD2_PAD_SIZE = 16,

WC_MD2_X_SIZE = 48

};

/* Md2 digest */

typedef struct wc_Md2 {

word32 count; /* bytes % PAD_SIZE */

byte X[WC_MD2_X_SIZE];

byte C[WC_MD2_BLOCK_SIZE];

byte buffer[WC_MD2_BLOCK_SIZE];

} wc_Md2;

WOLFSSL_API void wc_InitMd2(wc_Md2* md2);

WOLFSSL_API void wc_Md2Update(wc_Md2* md2, const byte* data, word32 len);

WOLFSSL_API void wc_Md2Final(wc_Md2* md2, byte* hash);

WOLFSSL_API int wc_Md2Hash(const byte* data, word32 len, byte* hash);

#ifndef OPENSSL_COEXIST

enum {

MD2 = WC_HASH_TYPE_MD2,

MD2_BLOCK_SIZE = WC_MD2_BLOCK_SIZE,

MD2_DIGEST_SIZE = WC_MD2_DIGEST_SIZE,

MD2_PAD_SIZE = WC_MD2_PAD_SIZE,

MD2_X_SIZE = WC_MD2_X_SIZE

};

/* Md2 digest */

typedef struct wc_Md2 Md2;

#endif /* !OPENSSL_COEXIST */

#ifdef __cplusplus

} /* extern "C" */

#endif

#endif /* WOLFSSL_MD2 */

#endif /* WOLF_CRYPT_MD2_H */