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sshdss.c

 

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/*

 

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 * Digital Signature Standard implementation for PuTTY.

 

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 */

 

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#include <stdio.h>

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#include <stdlib.h>

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#include <assert.h>

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#include "ssh.h"

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#include "misc.h"

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#define GET_32BIT(cp) \

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    (((unsigned long)(unsigned char)(cp)[0] << 24) | \

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    ((unsigned long)(unsigned char)(cp)[1] << 16) | \

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    ((unsigned long)(unsigned char)(cp)[2] << 8) | \

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    ((unsigned long)(unsigned char)(cp)[3]))

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#define PUT_32BIT(cp, value) { \

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    (cp)[0] = (unsigned char)((value) >> 24); \

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    (cp)[1] = (unsigned char)((value) >> 16); \

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    (cp)[2] = (unsigned char)((value) >> 8); \

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    (cp)[3] = (unsigned char)(value); }

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static void sha_mpint(SHA_State * s, Bignum b)

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{

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    unsigned char lenbuf[4];

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