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57 lines
1.7 KiB
57 lines
1.7 KiB
#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unpublished work protected as such under copyright law.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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//
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// until CAPI is cleaned up to not require the FinishFlag and HashVal
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// fields be present, need to define some slack space to insure that
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// buffer is aligned on IA64. Low-impact fix is just add a DWORD of space,
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// which the underlying library will offset to buffer+4 when reading/writing
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// to buffer.
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//
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typedef struct {
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union {
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#if _WIN64
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ULONGLONG buffer64[8]; /* force quadword alignment */
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#endif
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unsigned char buffer[64]; /* input buffer */
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} u;
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ULONG state[5]; /* state (ABCDE) */
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ULONG count[2]; /* number of bytes, msb first */
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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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