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rsa.c (76262) rsa.c (92559)
1/*
2 * Author: Tatu Ylonen <ylo@cs.hut.fi>
3 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
4 * All rights reserved
5 *
6 * As far as I am concerned, the code I have written for this software
7 * can be used freely for any purpose. Any derived versions of this
8 * software must be clearly marked as such, and if the derived work is

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55 *
56 * RSA in 3 lines of perl by Adam Back <aba@atlax.ex.ac.uk>, 1995, as
57 * included below:
58 *
59 * [gone - had to be deleted - what a pity]
60 */
61
62#include "includes.h"
1/*
2 * Author: Tatu Ylonen <ylo@cs.hut.fi>
3 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
4 * All rights reserved
5 *
6 * As far as I am concerned, the code I have written for this software
7 * can be used freely for any purpose. Any derived versions of this
8 * software must be clearly marked as such, and if the derived work is

--- 46 unchanged lines hidden (view full) ---

55 *
56 * RSA in 3 lines of perl by Adam Back <aba@atlax.ex.ac.uk>, 1995, as
57 * included below:
58 *
59 * [gone - had to be deleted - what a pity]
60 */
61
62#include "includes.h"
63RCSID("$OpenBSD: rsa.c,v 1.22 2001/03/26 23:23:23 markus Exp $");
64RCSID("$FreeBSD: head/crypto/openssh/rsa.c 76262 2001-05-04 04:14:23Z green $");
63RCSID("$OpenBSD: rsa.c,v 1.24 2001/12/27 18:22:16 markus Exp $");
64RCSID("$FreeBSD: head/crypto/openssh/rsa.c 92559 2002-03-18 10:09:43Z des $");
65
66#include "rsa.h"
67#include "log.h"
68#include "xmalloc.h"
69
70void
71rsa_public_encrypt(BIGNUM *out, BIGNUM *in, RSA *key)
72{

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116 }
117 memset(outbuf, 0, olen);
118 memset(inbuf, 0, ilen);
119 xfree(outbuf);
120 xfree(inbuf);
121 return len;
122}
123
65
66#include "rsa.h"
67#include "log.h"
68#include "xmalloc.h"
69
70void
71rsa_public_encrypt(BIGNUM *out, BIGNUM *in, RSA *key)
72{

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116 }
117 memset(outbuf, 0, olen);
118 memset(inbuf, 0, ilen);
119 xfree(outbuf);
120 xfree(inbuf);
121 return len;
122}
123
124/* calculate p-1 and q-1 */
124void
125void
125generate_additional_parameters(RSA *rsa)
126rsa_generate_additional_parameters(RSA *rsa)
126{
127 BIGNUM *aux;
128 BN_CTX *ctx;
127{
128 BIGNUM *aux;
129 BN_CTX *ctx;
129 /* Generate additional parameters */
130 aux = BN_new();
131 ctx = BN_CTX_new();
132
130
131 if ((aux = BN_new()) == NULL)
132 fatal("rsa_generate_additional_parameters: BN_new failed");
133 if ((ctx = BN_CTX_new()) == NULL)
134 fatal("rsa_generate_additional_parameters: BN_CTX_new failed");
135
133 BN_sub(aux, rsa->q, BN_value_one());
134 BN_mod(rsa->dmq1, rsa->d, aux, ctx);
135
136 BN_sub(aux, rsa->p, BN_value_one());
137 BN_mod(rsa->dmp1, rsa->d, aux, ctx);
138
139 BN_clear_free(aux);
140 BN_CTX_free(ctx);
141}
142
136 BN_sub(aux, rsa->q, BN_value_one());
137 BN_mod(rsa->dmq1, rsa->d, aux, ctx);
138
139 BN_sub(aux, rsa->p, BN_value_one());
140 BN_mod(rsa->dmp1, rsa->d, aux, ctx);
141
142 BN_clear_free(aux);
143 BN_CTX_free(ctx);
144}
145