SHA1.h

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/*******************************************************************************
 * Copyright (c) 2018, 2019 Wind River Systems, Inc. All Rights Reserved.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * and Eclipse Distribution License v1.0 which accompany this distribution.
 *
 * The Eclipse Public License is available at
 *    https://www.eclipse.org/legal/epl-2.0/
 * and the Eclipse Distribution License is available at
 *   http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *    Keith Holman - initial implementation and documentation
 *******************************************************************************/

#if !defined(SHA1_H)
#define SHA1_H

#if defined(OPENSSL)
#include <openssl/sha.h>

#define SHA1_DIGEST_LENGTH SHA_DIGEST_LENGTH

#else /* if defined(OPENSSL) */

#if defined(_WIN32) || defined(_WIN64)
#include <windows.h>
#include <wincrypt.h>
typedef struct SHA_CTX_S
{
        HCRYPTPROV hProv;
        HCRYPTHASH hHash;
} SHA_CTX;
#else /* if defined(_WIN32) || defined(_WIN64) */

#include <stdint.h>
typedef struct SHA_CTX_S {
        uint32_t h[5];
        union {
                uint32_t w[16];
                uint8_t buffer[64];
        };
        unsigned int size;
        unsigned int total;
} SHA_CTX;
#endif /* else if defined(_WIN32) || defined(_WIN64) */

#include <stddef.h>

#define SHA1_DIGEST_LENGTH (160/8)

int SHA1_Init(SHA_CTX *ctx);

int SHA1_Update(SHA_CTX *ctx, const void *data, size_t len);

int SHA1_Final(unsigned char *md, SHA_CTX *ctx);

#endif /* if defined(OPENSSL) */
#endif /* SHA1_H */