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This commit is contained in:
Zhi Guan
2015-08-15 15:02:15 +08:00
parent 06df2fab54
commit 3bdc0ea895
2536 changed files with 417052 additions and 271997 deletions
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138
crypto/dh/dh_asn1.c
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@@ -1,6 +1,7 @@
/* dh_asn1.c */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2000.
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 2000.
*/
/* ====================================================================
* Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved.
@@ -10,7 +11,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -65,29 +66,124 @@
/* Override the default free and new methods */
static int dh_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
void *exarg)
void *exarg)
{
if(operation == ASN1_OP_NEW_PRE) {
*pval = (ASN1_VALUE *)DH_new();
if(*pval) return 2;
return 0;
} else if(operation == ASN1_OP_FREE_PRE) {
DH_free((DH *)*pval);
*pval = NULL;
return 2;
}
return 1;
if (operation == ASN1_OP_NEW_PRE) {
*pval = (ASN1_VALUE *)DH_new();
if (*pval)
return 2;
return 0;
} else if (operation == ASN1_OP_FREE_PRE) {
DH_free((DH *)*pval);
*pval = NULL;
return 2;
}
return 1;
}
ASN1_SEQUENCE_cb(DHparams, dh_cb) = {
ASN1_SIMPLE(DH, p, BIGNUM),
ASN1_SIMPLE(DH, g, BIGNUM),
ASN1_OPT(DH, length, ZLONG),
ASN1_SIMPLE(DH, p, BIGNUM),
ASN1_SIMPLE(DH, g, BIGNUM),
ASN1_OPT(DH, length, ZLONG),
} ASN1_SEQUENCE_END_cb(DH, DHparams)
IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DH, DHparams, DHparams)
DH *DHparams_dup(DH *dh)
{
return ASN1_item_dup(ASN1_ITEM_rptr(DHparams), dh);
}
/*
* Internal only structures for handling X9.42 DH: this gets translated to or
* from a DH structure straight away.
*/
typedef struct {
ASN1_BIT_STRING *seed;
BIGNUM *counter;
} int_dhvparams;
typedef struct {
BIGNUM *p;
BIGNUM *q;
BIGNUM *g;
BIGNUM *j;
int_dhvparams *vparams;
} int_dhx942_dh;
ASN1_SEQUENCE(DHvparams) = {
ASN1_SIMPLE(int_dhvparams, seed, ASN1_BIT_STRING),
ASN1_SIMPLE(int_dhvparams, counter, BIGNUM)
} ASN1_SEQUENCE_END_name(int_dhvparams, DHvparams)
ASN1_SEQUENCE(DHxparams) = {
ASN1_SIMPLE(int_dhx942_dh, p, BIGNUM),
ASN1_SIMPLE(int_dhx942_dh, g, BIGNUM),
ASN1_SIMPLE(int_dhx942_dh, q, BIGNUM),
ASN1_OPT(int_dhx942_dh, j, BIGNUM),
ASN1_OPT(int_dhx942_dh, vparams, DHvparams),
} ASN1_SEQUENCE_END_name(int_dhx942_dh, DHxparams)
int_dhx942_dh *d2i_int_dhx(int_dhx942_dh **a,
const unsigned char **pp, long length);
int i2d_int_dhx(const int_dhx942_dh *a, unsigned char **pp);
IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(int_dhx942_dh, DHxparams, int_dhx)
/* Application leve function: read in X9.42 DH parameters into DH structure */
DH *d2i_DHxparams(DH **a, const unsigned char **pp, long length)
{
int_dhx942_dh *dhx = NULL;
DH *dh = NULL;
dh = DH_new();
if (!dh)
return NULL;
dhx = d2i_int_dhx(NULL, pp, length);
if (!dhx) {
DH_free(dh);
return NULL;
}
if (a) {
if (*a)
DH_free(*a);
*a = dh;
}
dh->p = dhx->p;
dh->q = dhx->q;
dh->g = dhx->g;
dh->j = dhx->j;
if (dhx->vparams) {
dh->seed = dhx->vparams->seed->data;
dh->seedlen = dhx->vparams->seed->length;
dh->counter = dhx->vparams->counter;
dhx->vparams->seed->data = NULL;
ASN1_BIT_STRING_free(dhx->vparams->seed);
OPENSSL_free(dhx->vparams);
dhx->vparams = NULL;
}
OPENSSL_free(dhx);
return dh;
}
int i2d_DHxparams(const DH *dh, unsigned char **pp)
{
int_dhx942_dh dhx;
int_dhvparams dhv;
ASN1_BIT_STRING bs;
dhx.p = dh->p;
dhx.g = dh->g;
dhx.q = dh->q;
dhx.j = dh->j;
if (dh->counter && dh->seed && dh->seedlen > 0) {
bs.flags = ASN1_STRING_FLAG_BITS_LEFT;
bs.data = dh->seed;
bs.length = dh->seedlen;
dhv.seed = &bs;
dhv.counter = dh->counter;
dhx.vparams = &dhv;
} else
dhx.vparams = NULL;
return i2d_int_dhx(&dhx, pp);
}