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/* md2.h
*
* Copyright (C) 2006-2026 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 */
#define WC_MD2_BLOCK_SIZE 16
#define WC_MD2_DIGEST_SIZE 16
#define WC_MD2_PAD_SIZE 16
#define 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
#define MD2 WC_HASH_TYPE_MD2
#define MD2_BLOCK_SIZE WC_MD2_BLOCK_SIZE
#define MD2_DIGEST_SIZE WC_MD2_DIGEST_SIZE
#define MD2_PAD_SIZE WC_MD2_PAD_SIZE
#define 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 */