| .. | |||||
| Makefile | |||||
| Makefile.save | |||||
| README | |||||
| dsa.h | |||||
| dsa_ameth.c | |||||
| dsa_asn1.c | |||||
| dsa_depr.c | |||||
| dsa_err.c | |||||
| dsa_gen.c | |||||
| dsa_key.c | |||||
| dsa_lib.c | |||||
| dsa_locl.h | |||||
| dsa_ossl.c | |||||
| dsa_pmeth.c | |||||
| dsa_prn.c | |||||
| dsa_sign.c | |||||
| dsa_vrf.c | |||||
| dsagen.c | |||||
| dsatest.c | |||||
| fips186a.txt |
| Server IP : 104.21.87.198 / Your IP : 162.158.108.59 Web Server : Apache/2.2.15 (CentOS) System : Linux GA 2.6.32-431.1.2.0.1.el6.x86_64 #1 SMP Fri Dec 13 13:06:13 UTC 2013 x86_64 User : apache ( 48) PHP Version : 5.6.38 Disable Function : NONE MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /usr/src/openssl-1.0.1g/crypto/dsa/ |
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2006.
*/
/* ====================================================================
* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* 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
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/x509.h>
#include <openssl/asn1.h>
#include <openssl/dsa.h>
#include <openssl/bn.h>
#ifndef OPENSSL_NO_CMS
#include <openssl/cms.h>
#endif
#include "asn1_locl.h"
static int dsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
{
const unsigned char *p, *pm;
int pklen, pmlen;
int ptype;
void *pval;
ASN1_STRING *pstr;
X509_ALGOR *palg;
ASN1_INTEGER *public_key = NULL;
DSA *dsa = NULL;
if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, &palg, pubkey))
return 0;
X509_ALGOR_get0(NULL, &ptype, &pval, palg);
if (ptype == V_ASN1_SEQUENCE)
{
pstr = pval;
pm = pstr->data;
pmlen = pstr->length;
if (!(dsa = d2i_DSAparams(NULL, &pm, pmlen)))
{
DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_DECODE_ERROR);
goto err;
}
}
else if ((ptype == V_ASN1_NULL) || (ptype == V_ASN1_UNDEF))
{
if (!(dsa = DSA_new()))
{
DSAerr(DSA_F_DSA_PUB_DECODE, ERR_R_MALLOC_FAILURE);
goto err;
}
}
else
{
DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_PARAMETER_ENCODING_ERROR);
goto err;
}
if (!(public_key=d2i_ASN1_INTEGER(NULL, &p, pklen)))
{
DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_DECODE_ERROR);
goto err;
}
if (!(dsa->pub_key = ASN1_INTEGER_to_BN(public_key, NULL)))
{
DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_BN_DECODE_ERROR);
goto err;
}
ASN1_INTEGER_free(public_key);
EVP_PKEY_assign_DSA(pkey, dsa);
return 1;
err:
if (public_key)
ASN1_INTEGER_free(public_key);
if (dsa)
DSA_free(dsa);
return 0;
}
static int dsa_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey)
{
DSA *dsa;
void *pval = NULL;
int ptype;
unsigned char *penc = NULL;
int penclen;
dsa=pkey->pkey.dsa;
if (pkey->save_parameters && dsa->p && dsa->q && dsa->g)
{
ASN1_STRING *str;
str = ASN1_STRING_new();
str->length = i2d_DSAparams(dsa, &str->data);
if (str->length <= 0)
{
DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE);
goto err;
}
pval = str;
ptype = V_ASN1_SEQUENCE;
}
else
ptype = V_ASN1_UNDEF;
dsa->write_params=0;
penclen = i2d_DSAPublicKey(dsa, &penc);
if (penclen <= 0)
{
DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE);
goto err;
}
if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_DSA),
ptype, pval, penc, penclen))
return 1;
err:
if (penc)
OPENSSL_free(penc);
if (pval)
ASN1_STRING_free(pval);
return 0;
}
/* In PKCS#8 DSA: you just get a private key integer and parameters in the
* AlgorithmIdentifier the pubkey must be recalculated.
*/
static int dsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
{
const unsigned char *p, *pm;
int pklen, pmlen;
int ptype;
void *pval;
ASN1_STRING *pstr;
X509_ALGOR *palg;
ASN1_INTEGER *privkey = NULL;
BN_CTX *ctx = NULL;
STACK_OF(ASN1_TYPE) *ndsa = NULL;
DSA *dsa = NULL;
if (!PKCS8_pkey_get0(NULL, &p, &pklen, &palg, p8))
return 0;
X509_ALGOR_get0(NULL, &ptype, &pval, palg);
/* Check for broken DSA PKCS#8, UGH! */
if (*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED))
{
ASN1_TYPE *t1, *t2;
if(!(ndsa = d2i_ASN1_SEQUENCE_ANY(NULL, &p, pklen)))
goto decerr;
if (sk_ASN1_TYPE_num(ndsa) != 2)
goto decerr;
/* Handle Two broken types:
* SEQUENCE {parameters, priv_key}
* SEQUENCE {pub_key, priv_key}
*/
t1 = sk_ASN1_TYPE_value(ndsa, 0);
t2 = sk_ASN1_TYPE_value(ndsa, 1);
if (t1->type == V_ASN1_SEQUENCE)
{
p8->broken = PKCS8_EMBEDDED_PARAM;
pval = t1->value.ptr;
}
else if (ptype == V_ASN1_SEQUENCE)
p8->broken = PKCS8_NS_DB;
else
goto decerr;
if (t2->type != V_ASN1_INTEGER)
goto decerr;
privkey = t2->value.integer;
}
else
{
const unsigned char *q = p;
if (!(privkey=d2i_ASN1_INTEGER(NULL, &p, pklen)))
goto decerr;
if (privkey->type == V_ASN1_NEG_INTEGER)
{
p8->broken = PKCS8_NEG_PRIVKEY;
ASN1_INTEGER_free(privkey);
if (!(privkey=d2i_ASN1_UINTEGER(NULL, &q, pklen)))
goto decerr;
}
if (ptype != V_ASN1_SEQUENCE)
goto decerr;
}
pstr = pval;
pm = pstr->data;
pmlen = pstr->length;
if (!(dsa = d2i_DSAparams(NULL, &pm, pmlen)))
goto decerr;
/* We have parameters now set private key */
if (!(dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL)))
{
DSAerr(DSA_F_DSA_PRIV_DECODE,DSA_R_BN_ERROR);
goto dsaerr;
}
/* Calculate public key */
if (!(dsa->pub_key = BN_new()))
{
DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE);
goto dsaerr;
}
if (!(ctx = BN_CTX_new()))
{
DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE);
goto dsaerr;
}
if (!BN_mod_exp(dsa->pub_key, dsa->g, dsa->priv_key, dsa->p, ctx))
{
DSAerr(DSA_F_DSA_PRIV_DECODE,DSA_R_BN_ERROR);
goto dsaerr;
}
EVP_PKEY_assign_DSA(pkey, dsa);
BN_CTX_free (ctx);
if(ndsa)
sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
else
ASN1_INTEGER_free(privkey);
return 1;
decerr:
DSAerr(DSA_F_DSA_PRIV_DECODE, EVP_R_DECODE_ERROR);
dsaerr:
BN_CTX_free (ctx);
if (privkey)
ASN1_INTEGER_free(privkey);
sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
DSA_free(dsa);
return 0;
}
static int dsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
{
ASN1_STRING *params = NULL;
ASN1_INTEGER *prkey = NULL;
unsigned char *dp = NULL;
int dplen;
params = ASN1_STRING_new();
if (!params)
{
DSAerr(DSA_F_DSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE);
goto err;
}
params->length = i2d_DSAparams(pkey->pkey.dsa, ¶ms->data);
if (params->length <= 0)
{
DSAerr(DSA_F_DSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE);
goto err;
}
params->type = V_ASN1_SEQUENCE;
/* Get private key into integer */
prkey = BN_to_ASN1_INTEGER(pkey->pkey.dsa->priv_key, NULL);
if (!prkey)
{
DSAerr(DSA_F_DSA_PRIV_ENCODE,DSA_R_BN_ERROR);
goto err;
}
dplen = i2d_ASN1_INTEGER(prkey, &dp);
ASN1_INTEGER_free(prkey);
if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_dsa), 0,
V_ASN1_SEQUENCE, params, dp, dplen))
goto err;
return 1;
err:
if (dp != NULL)
OPENSSL_free(dp);
if (params != NULL)
ASN1_STRING_free(params);
if (prkey != NULL)
ASN1_INTEGER_free(prkey);
return 0;
}
static int int_dsa_size(const EVP_PKEY *pkey)
{
return(DSA_size(pkey->pkey.dsa));
}
static int dsa_bits(const EVP_PKEY *pkey)
{
return BN_num_bits(pkey->pkey.dsa->p);
}
static int dsa_missing_parameters(const EVP_PKEY *pkey)
{
DSA *dsa;
dsa=pkey->pkey.dsa;
if ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))
return 1;
return 0;
}
static int dsa_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
{
BIGNUM *a;
if ((a=BN_dup(from->pkey.dsa->p)) == NULL)
return 0;
if (to->pkey.dsa->p != NULL)
BN_free(to->pkey.dsa->p);
to->pkey.dsa->p=a;
if ((a=BN_dup(from->pkey.dsa->q)) == NULL)
return 0;
if (to->pkey.dsa->q != NULL)
BN_free(to->pkey.dsa->q);
to->pkey.dsa->q=a;
if ((a=BN_dup(from->pkey.dsa->g)) == NULL)
return 0;
if (to->pkey.dsa->g != NULL)
BN_free(to->pkey.dsa->g);
to->pkey.dsa->g=a;
return 1;
}
static int dsa_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
{
if ( BN_cmp(a->pkey.dsa->p,b->pkey.dsa->p) ||
BN_cmp(a->pkey.dsa->q,b->pkey.dsa->q) ||
BN_cmp(a->pkey.dsa->g,b->pkey.dsa->g))
return 0;
else
return 1;
}
static int dsa_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
{
if (BN_cmp(b->pkey.dsa->pub_key,a->pkey.dsa->pub_key) != 0)
return 0;
else
return 1;
}
static void int_dsa_free(EVP_PKEY *pkey)
{
DSA_free(pkey->pkey.dsa);
}
static void update_buflen(const BIGNUM *b, size_t *pbuflen)
{
size_t i;
if (!b)
return;
if (*pbuflen < (i = (size_t)BN_num_bytes(b)))
*pbuflen = i;
}
static int do_dsa_print(BIO *bp, const DSA *x, int off, int ptype)
{
unsigned char *m=NULL;
int ret=0;
size_t buf_len=0;
const char *ktype = NULL;
const BIGNUM *priv_key, *pub_key;
if (ptype == 2)
priv_key = x->priv_key;
else
priv_key = NULL;
if (ptype > 0)
pub_key = x->pub_key;
else
pub_key = NULL;
if (ptype == 2)
ktype = "Private-Key";
else if (ptype == 1)
ktype = "Public-Key";
else
ktype = "DSA-Parameters";
update_buflen(x->p, &buf_len);
update_buflen(x->q, &buf_len);
update_buflen(x->g, &buf_len);
update_buflen(priv_key, &buf_len);
update_buflen(pub_key, &buf_len);
m=(unsigned char *)OPENSSL_malloc(buf_len+10);
if (m == NULL)
{
DSAerr(DSA_F_DO_DSA_PRINT,ERR_R_MALLOC_FAILURE);
goto err;
}
if (priv_key)
{
if(!BIO_indent(bp,off,128))
goto err;
if (BIO_printf(bp,"%s: (%d bit)\n",ktype, BN_num_bits(x->p))
<= 0) goto err;
}
if (!ASN1_bn_print(bp,"priv:",priv_key,m,off))
goto err;
if (!ASN1_bn_print(bp,"pub: ",pub_key,m,off))
goto err;
if (!ASN1_bn_print(bp,"P: ",x->p,m,off)) goto err;
if (!ASN1_bn_print(bp,"Q: ",x->q,m,off)) goto err;
if (!ASN1_bn_print(bp,"G: ",x->g,m,off)) goto err;
ret=1;
err:
if (m != NULL) OPENSSL_free(m);
return(ret);
}
static int dsa_param_decode(EVP_PKEY *pkey,
const unsigned char **pder, int derlen)
{
DSA *dsa;
if (!(dsa = d2i_DSAparams(NULL, pder, derlen)))
{
DSAerr(DSA_F_DSA_PARAM_DECODE, ERR_R_DSA_LIB);
return 0;
}
EVP_PKEY_assign_DSA(pkey, dsa);
return 1;
}
static int dsa_param_encode(const EVP_PKEY *pkey, unsigned char **pder)
{
return i2d_DSAparams(pkey->pkey.dsa, pder);
}
static int dsa_param_print(BIO *bp, const EVP_PKEY *pkey, int indent,
ASN1_PCTX *ctx)
{
return do_dsa_print(bp, pkey->pkey.dsa, indent, 0);
}
static int dsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent,
ASN1_PCTX *ctx)
{
return do_dsa_print(bp, pkey->pkey.dsa, indent, 1);
}
static int dsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent,
ASN1_PCTX *ctx)
{
return do_dsa_print(bp, pkey->pkey.dsa, indent, 2);
}
static int old_dsa_priv_decode(EVP_PKEY *pkey,
const unsigned char **pder, int derlen)
{
DSA *dsa;
if (!(dsa = d2i_DSAPrivateKey (NULL, pder, derlen)))
{
DSAerr(DSA_F_OLD_DSA_PRIV_DECODE, ERR_R_DSA_LIB);
return 0;
}
EVP_PKEY_assign_DSA(pkey, dsa);
return 1;
}
static int old_dsa_priv_encode(const EVP_PKEY *pkey, unsigned char **pder)
{
return i2d_DSAPrivateKey(pkey->pkey.dsa, pder);
}
static int dsa_sig_print(BIO *bp, const X509_ALGOR *sigalg,
const ASN1_STRING *sig,
int indent, ASN1_PCTX *pctx)
{
DSA_SIG *dsa_sig;
const unsigned char *p;
if (!sig)
{
if (BIO_puts(bp, "\n") <= 0)
return 0;
else
return 1;
}
p = sig->data;
dsa_sig = d2i_DSA_SIG(NULL, &p, sig->length);
if (dsa_sig)
{
int rv = 0;
size_t buf_len = 0;
unsigned char *m=NULL;
update_buflen(dsa_sig->r, &buf_len);
update_buflen(dsa_sig->s, &buf_len);
m = OPENSSL_malloc(buf_len+10);
if (m == NULL)
{
DSAerr(DSA_F_DSA_SIG_PRINT,ERR_R_MALLOC_FAILURE);
goto err;
}
if (BIO_write(bp, "\n", 1) != 1)
goto err;
if (!ASN1_bn_print(bp,"r: ",dsa_sig->r,m,indent))
goto err;
if (!ASN1_bn_print(bp,"s: ",dsa_sig->s,m,indent))
goto err;
rv = 1;
err:
if (m)
OPENSSL_free(m);
DSA_SIG_free(dsa_sig);
return rv;
}
return X509_signature_dump(bp, sig, indent);
}
static int dsa_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
{
switch (op)
{
case ASN1_PKEY_CTRL_PKCS7_SIGN:
if (arg1 == 0)
{
int snid, hnid;
X509_ALGOR *alg1, *alg2;
PKCS7_SIGNER_INFO_get0_algs(arg2, NULL, &alg1, &alg2);
if (alg1 == NULL || alg1->algorithm == NULL)
return -1;
hnid = OBJ_obj2nid(alg1->algorithm);
if (hnid == NID_undef)
return -1;
if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey)))
return -1;
X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0);
}
return 1;
#ifndef OPENSSL_NO_CMS
case ASN1_PKEY_CTRL_CMS_SIGN:
if (arg1 == 0)
{
int snid, hnid;
X509_ALGOR *alg1, *alg2;
CMS_SignerInfo_get0_algs(arg2, NULL, NULL, &alg1, &alg2);
if (alg1 == NULL || alg1->algorithm == NULL)
return -1;
hnid = OBJ_obj2nid(alg1->algorithm);
if (hnid == NID_undef)
return -1;
if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey)))
return -1;
X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0);
}
return 1;
#endif
case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
*(int *)arg2 = NID_sha1;
return 2;
default:
return -2;
}
}
/* NB these are sorted in pkey_id order, lowest first */
const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[] =
{
{
EVP_PKEY_DSA2,
EVP_PKEY_DSA,
ASN1_PKEY_ALIAS
},
{
EVP_PKEY_DSA1,
EVP_PKEY_DSA,
ASN1_PKEY_ALIAS
},
{
EVP_PKEY_DSA4,
EVP_PKEY_DSA,
ASN1_PKEY_ALIAS
},
{
EVP_PKEY_DSA3,
EVP_PKEY_DSA,
ASN1_PKEY_ALIAS
},
{
EVP_PKEY_DSA,
EVP_PKEY_DSA,
0,
"DSA",
"OpenSSL DSA method",
dsa_pub_decode,
dsa_pub_encode,
dsa_pub_cmp,
dsa_pub_print,
dsa_priv_decode,
dsa_priv_encode,
dsa_priv_print,
int_dsa_size,
dsa_bits,
dsa_param_decode,
dsa_param_encode,
dsa_missing_parameters,
dsa_copy_parameters,
dsa_cmp_parameters,
dsa_param_print,
dsa_sig_print,
int_dsa_free,
dsa_pkey_ctrl,
old_dsa_priv_decode,
old_dsa_priv_encode
}
};
| .. | |||||
| Makefile | |||||
| Makefile.save | |||||
| README | |||||
| dsa.h | |||||
| dsa_ameth.c | |||||
| dsa_asn1.c | |||||
| dsa_depr.c | |||||
| dsa_err.c | |||||
| dsa_gen.c | |||||
| dsa_key.c | |||||
| dsa_lib.c | |||||
| dsa_locl.h | |||||
| dsa_ossl.c | |||||
| dsa_pmeth.c | |||||
| dsa_prn.c | |||||
| dsa_sign.c | |||||
| dsa_vrf.c | |||||
| dsagen.c | |||||
| dsatest.c | |||||
| fips186a.txt |