/* crypto/dsa/dsa_lib.c */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* [including the GNU Public Licence.]
*/
-/* Origional version from Steven Schoch <schoch@sheba.arc.nasa.gov> */
+/* Original version from Steven Schoch <schoch@sheba.arc.nasa.gov> */
#include <stdio.h>
#include "cryptlib.h"
-#include "bn.h"
-#include "dsa.h"
-#include "asn1.h"
+#include <openssl/bn.h>
+#include <openssl/dsa.h>
+#include <openssl/asn1.h>
+#include <openssl/engine.h>
-char *DSA_version="\0DSA part of SSLeay 0.8.1b 29-Jun-1998";
+const char *DSA_version="DSA" OPENSSL_VERSION_PTEXT;
-DSA *DSA_new()
+static const DSA_METHOD *default_DSA_method;
+static int dsa_meth_num = 0;
+static STACK_OF(CRYPTO_EX_DATA_FUNCS) *dsa_meth = NULL;
+
+void DSA_set_default_openssl_method(const DSA_METHOD *meth)
+{
+ ENGINE *e;
+ /* We'll need to notify the "openssl" ENGINE of this
+ * change too. We won't bother locking things down at
+ * our end as there was never any locking in these
+ * functions! */
+ if(default_DSA_method != meth)
+ {
+ default_DSA_method = meth;
+ e = ENGINE_by_id("openssl");
+ if(e)
+ {
+ ENGINE_set_DSA(e, meth);
+ ENGINE_free(e);
+ }
+ }
+}
+
+const DSA_METHOD *DSA_get_default_openssl_method(void)
+{
+ if(!default_DSA_method) default_DSA_method = DSA_OpenSSL();
+ return default_DSA_method;
+}
+
+DSA *DSA_new(void)
+{
+ return DSA_new_method(NULL);
+}
+
+#if 0
+DSA_METHOD *DSA_set_method(DSA *dsa, DSA_METHOD *meth)
+{
+ DSA_METHOD *mtmp;
+ mtmp = dsa->meth;
+ if (mtmp->finish) mtmp->finish(dsa);
+ dsa->meth = meth;
+ if (meth->init) meth->init(dsa);
+ return mtmp;
+}
+#else
+int DSA_set_method(DSA *dsa, ENGINE *engine)
{
+ ENGINE *mtmp;
+ const DSA_METHOD *meth;
+ mtmp = dsa->engine;
+ meth = ENGINE_get_DSA(mtmp);
+ if (!ENGINE_init(engine))
+ return 0;
+ if (meth->finish) meth->finish(dsa);
+ dsa->engine = engine;
+ meth = ENGINE_get_DSA(engine);
+ if (meth->init) meth->init(dsa);
+ /* SHOULD ERROR CHECK THIS!!! */
+ ENGINE_finish(mtmp);
+ return 1;
+ }
+#endif
+
+
+#if 0
+DSA *DSA_new_method(DSA_METHOD *meth)
+#else
+DSA *DSA_new_method(ENGINE *engine)
+#endif
+ {
+ const DSA_METHOD *meth;
DSA *ret;
- ret=(DSA *)Malloc(sizeof(DSA));
+ ret=(DSA *)OPENSSL_malloc(sizeof(DSA));
if (ret == NULL)
{
DSAerr(DSA_F_DSA_NEW,ERR_R_MALLOC_FAILURE);
return(NULL);
}
+ if(engine)
+ ret->engine = engine;
+ else
+ {
+ if((ret->engine=ENGINE_get_default_DSA()) == NULL)
+ {
+ DSAerr(DSA_F_DSA_NEW,ERR_LIB_ENGINE);
+ OPENSSL_free(ret);
+ return NULL;
+ }
+ }
+ meth = ENGINE_get_DSA(ret->engine);
ret->pad=0;
ret->version=0;
ret->write_params=1;
ret->kinv=NULL;
ret->r=NULL;
+ ret->method_mont_p=NULL;
ret->references=1;
+ ret->flags=meth->flags;
+ CRYPTO_new_ex_data(dsa_meth,ret,&ret->ex_data);
+ if ((meth->init != NULL) && !meth->init(ret))
+ {
+ CRYPTO_free_ex_data(dsa_meth,ret,&ret->ex_data);
+ OPENSSL_free(ret);
+ ret=NULL;
+ }
+
return(ret);
}
-void DSA_free(r)
-DSA *r;
+void DSA_free(DSA *r)
{
+ const DSA_METHOD *meth;
int i;
if (r == NULL) return;
i=CRYPTO_add(&r->references,-1,CRYPTO_LOCK_DSA);
+#ifdef REF_PRINT
+ REF_PRINT("DSA",r);
+#endif
if (i > 0) return;
#ifdef REF_CHECK
if (i < 0)
}
#endif
+ meth = ENGINE_get_DSA(r->engine);
+ if(meth->finish) meth->finish(r);
+ ENGINE_finish(r->engine);
+
+ CRYPTO_free_ex_data(dsa_meth, r, &r->ex_data);
+
if (r->p != NULL) BN_clear_free(r->p);
if (r->q != NULL) BN_clear_free(r->q);
if (r->g != NULL) BN_clear_free(r->g);
if (r->priv_key != NULL) BN_clear_free(r->priv_key);
if (r->kinv != NULL) BN_clear_free(r->kinv);
if (r->r != NULL) BN_clear_free(r->r);
- Free(r);
+ OPENSSL_free(r);
}
-int DSA_size(r)
-DSA *r;
+int DSA_size(const DSA *r)
{
int ret,i;
ASN1_INTEGER bs;
return(ret);
}
+int DSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
+ CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
+ {
+ dsa_meth_num++;
+ return(CRYPTO_get_ex_new_index(dsa_meth_num-1,
+ &dsa_meth,argl,argp,new_func,dup_func,free_func));
+ }
+
+int DSA_set_ex_data(DSA *d, int idx, void *arg)
+ {
+ return(CRYPTO_set_ex_data(&d->ex_data,idx,arg));
+ }
+
+void *DSA_get_ex_data(DSA *d, int idx)
+ {
+ return(CRYPTO_get_ex_data(&d->ex_data,idx));
+ }
+
+#ifndef OPENSSL_NO_DH
+DH *DSA_dup_DH(const DSA *r)
+ {
+ /* DSA has p, q, g, optional pub_key, optional priv_key.
+ * DH has p, optional length, g, optional pub_key, optional priv_key.
+ */
+
+ DH *ret = NULL;
+
+ if (r == NULL)
+ goto err;
+ ret = DH_new();
+ if (ret == NULL)
+ goto err;
+ if (r->p != NULL)
+ if ((ret->p = BN_dup(r->p)) == NULL)
+ goto err;
+ if (r->q != NULL)
+ ret->length = BN_num_bits(r->q);
+ if (r->g != NULL)
+ if ((ret->g = BN_dup(r->g)) == NULL)
+ goto err;
+ if (r->pub_key != NULL)
+ if ((ret->pub_key = BN_dup(r->pub_key)) == NULL)
+ goto err;
+ if (r->priv_key != NULL)
+ if ((ret->priv_key = BN_dup(r->priv_key)) == NULL)
+ goto err;
+
+ return ret;
+
+ err:
+ if (ret != NULL)
+ DH_free(ret);
+ return NULL;
+ }
+#endif
projects / openssl.git / blobdiff