-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2006.
*/
/* ====================================================================
#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)
return 1;
err:
- if (pubkey)
+ if (public_key)
ASN1_INTEGER_free(public_key);
if (dsa)
DSA_free(dsa);
if (*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED))
{
ASN1_TYPE *t1, *t2;
- if(!(ndsa = d2i_ASN1_SEQUENCE_ANY(NULL, &p, pklen)));
+ if(!(ndsa = d2i_ASN1_SEQUENCE_ANY(NULL, &p, pklen)))
goto decerr;
if (sk_ASN1_TYPE_num(ndsa) != 2)
goto decerr;
}
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;
}
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)
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;
dsa_copy_parameters,
dsa_cmp_parameters,
dsa_param_print,
+ dsa_sig_print,
int_dsa_free,
dsa_pkey_ctrl,