58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
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//-----------------------------------------------------------------------------
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//
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// File: sha.h
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//
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// Microsoft Digital Rights Management
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// Copyright (C) Microsoft Corporation, 1999-2001. All Rights Reserved
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//
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// Description:
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//
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//-----------------------------------------------------------------------------
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#ifndef RSA32API
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#define RSA32API __stdcall
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#endif
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/* Copyright (C) RSA Data Security, Inc. created 1993. This is an
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unpublished work protected as such under copyright law. This work
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contains proprietary, confidential, and trade secret information of
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RSA Data Security, Inc. Use, disclosure or reproduction without the
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express written authorization of RSA Data Security, Inc. is
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prohibited.
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*/
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#ifndef _SHA_H_
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#define _SHA_H_ 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define A_SHA_DIGEST_LEN 20
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typedef struct {
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DWORD FinishFlag;
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BYTE HashVal[A_SHA_DIGEST_LEN];
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DWORD state[5]; /* state (ABCDE) */
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DWORD count[2]; /* number of bytes, msb first */
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unsigned char buffer[64]; /* input buffer */
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} A_SHA_CTX;
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void RSA32API A_SHAInit(A_SHA_CTX *);
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void RSA32API A_SHAUpdate(A_SHA_CTX *, unsigned char *, unsigned int);
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void RSA32API A_SHAFinal(A_SHA_CTX *, unsigned char [A_SHA_DIGEST_LEN]);
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//
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// versions that don't internally byteswap (NoSwap version), for apps like
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// the RNG that don't need hash compatibility - perf increase helps.
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//
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void RSA32API A_SHAUpdateNS(A_SHA_CTX *, unsigned char *, unsigned int);
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void RSA32API A_SHAFinalNS(A_SHA_CTX *, unsigned char [A_SHA_DIGEST_LEN]);
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#ifdef __cplusplus
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}
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#endif
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#endif
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