Merge the engine branch into the main trunk.  All conflicts resolved.
At the same time, add VMS support for Rijndael.
diff --git a/crypto/dsa/Makefile.ssl b/crypto/dsa/Makefile.ssl
index 1dfdb2d..f9a6dbb 100644
--- a/crypto/dsa/Makefile.ssl
+++ b/crypto/dsa/Makefile.ssl
@@ -116,39 +116,81 @@
 dsa_key.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
 dsa_key.o: ../../include/openssl/symhacks.h ../cryptlib.h
 dsa_lib.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
-dsa_lib.o: ../../include/openssl/bn.h ../../include/openssl/buffer.h
-dsa_lib.o: ../../include/openssl/crypto.h ../../include/openssl/dh.h
-dsa_lib.o: ../../include/openssl/dsa.h ../../include/openssl/e_os.h
-dsa_lib.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
-dsa_lib.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
-dsa_lib.o: ../../include/openssl/opensslv.h ../../include/openssl/safestack.h
-dsa_lib.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
-dsa_lib.o: ../cryptlib.h
+dsa_lib.o: ../../include/openssl/blowfish.h ../../include/openssl/bn.h
+dsa_lib.o: ../../include/openssl/buffer.h ../../include/openssl/cast.h
+dsa_lib.o: ../../include/openssl/crypto.h ../../include/openssl/des.h
+dsa_lib.o: ../../include/openssl/dh.h ../../include/openssl/dsa.h
+dsa_lib.o: ../../include/openssl/e_os.h ../../include/openssl/e_os2.h
+dsa_lib.o: ../../include/openssl/engine.h ../../include/openssl/err.h
+dsa_lib.o: ../../include/openssl/evp.h ../../include/openssl/idea.h
+dsa_lib.o: ../../include/openssl/lhash.h ../../include/openssl/md2.h
+dsa_lib.o: ../../include/openssl/md4.h ../../include/openssl/md5.h
+dsa_lib.o: ../../include/openssl/mdc2.h ../../include/openssl/obj_mac.h
+dsa_lib.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
+dsa_lib.o: ../../include/openssl/opensslv.h ../../include/openssl/rand.h
+dsa_lib.o: ../../include/openssl/rc2.h ../../include/openssl/rc4.h
+dsa_lib.o: ../../include/openssl/rc5.h ../../include/openssl/rijndael-alg-fst.h
+dsa_lib.o: ../../include/openssl/rijndael.h ../../include/openssl/ripemd.h
+dsa_lib.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
+dsa_lib.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
+dsa_lib.o: ../../include/openssl/symhacks.h ../cryptlib.h
 dsa_ossl.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
-dsa_ossl.o: ../../include/openssl/bn.h ../../include/openssl/buffer.h
-dsa_ossl.o: ../../include/openssl/crypto.h ../../include/openssl/dh.h
-dsa_ossl.o: ../../include/openssl/dsa.h ../../include/openssl/e_os.h
-dsa_ossl.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
-dsa_ossl.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
+dsa_ossl.o: ../../include/openssl/blowfish.h ../../include/openssl/bn.h
+dsa_ossl.o: ../../include/openssl/buffer.h ../../include/openssl/cast.h
+dsa_ossl.o: ../../include/openssl/crypto.h ../../include/openssl/des.h
+dsa_ossl.o: ../../include/openssl/dh.h ../../include/openssl/dsa.h
+dsa_ossl.o: ../../include/openssl/e_os.h ../../include/openssl/e_os2.h
+dsa_ossl.o: ../../include/openssl/engine.h ../../include/openssl/err.h
+dsa_ossl.o: ../../include/openssl/evp.h ../../include/openssl/idea.h
+dsa_ossl.o: ../../include/openssl/lhash.h ../../include/openssl/md2.h
+dsa_ossl.o: ../../include/openssl/md4.h ../../include/openssl/md5.h
+dsa_ossl.o: ../../include/openssl/mdc2.h ../../include/openssl/obj_mac.h
+dsa_ossl.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
 dsa_ossl.o: ../../include/openssl/opensslv.h ../../include/openssl/rand.h
-dsa_ossl.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
+dsa_ossl.o: ../../include/openssl/rc2.h ../../include/openssl/rc4.h
+dsa_ossl.o: ../../include/openssl/rc5.h
+dsa_ossl.o: ../../include/openssl/rijndael-alg-fst.h
+dsa_ossl.o: ../../include/openssl/rijndael.h ../../include/openssl/ripemd.h
+dsa_ossl.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
+dsa_ossl.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
 dsa_ossl.o: ../../include/openssl/symhacks.h ../cryptlib.h
 dsa_sign.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
-dsa_sign.o: ../../include/openssl/bn.h ../../include/openssl/buffer.h
-dsa_sign.o: ../../include/openssl/crypto.h ../../include/openssl/dh.h
-dsa_sign.o: ../../include/openssl/dsa.h ../../include/openssl/e_os.h
-dsa_sign.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
-dsa_sign.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
+dsa_sign.o: ../../include/openssl/blowfish.h ../../include/openssl/bn.h
+dsa_sign.o: ../../include/openssl/buffer.h ../../include/openssl/cast.h
+dsa_sign.o: ../../include/openssl/crypto.h ../../include/openssl/des.h
+dsa_sign.o: ../../include/openssl/dh.h ../../include/openssl/dsa.h
+dsa_sign.o: ../../include/openssl/e_os.h ../../include/openssl/e_os2.h
+dsa_sign.o: ../../include/openssl/engine.h ../../include/openssl/err.h
+dsa_sign.o: ../../include/openssl/evp.h ../../include/openssl/idea.h
+dsa_sign.o: ../../include/openssl/lhash.h ../../include/openssl/md2.h
+dsa_sign.o: ../../include/openssl/md4.h ../../include/openssl/md5.h
+dsa_sign.o: ../../include/openssl/mdc2.h ../../include/openssl/obj_mac.h
+dsa_sign.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
 dsa_sign.o: ../../include/openssl/opensslv.h ../../include/openssl/rand.h
-dsa_sign.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
+dsa_sign.o: ../../include/openssl/rc2.h ../../include/openssl/rc4.h
+dsa_sign.o: ../../include/openssl/rc5.h
+dsa_sign.o: ../../include/openssl/rijndael-alg-fst.h
+dsa_sign.o: ../../include/openssl/rijndael.h ../../include/openssl/ripemd.h
+dsa_sign.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
+dsa_sign.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
 dsa_sign.o: ../../include/openssl/symhacks.h ../cryptlib.h
 dsa_vrf.o: ../../include/openssl/asn1.h ../../include/openssl/asn1_mac.h
-dsa_vrf.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
-dsa_vrf.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
-dsa_vrf.o: ../../include/openssl/dh.h ../../include/openssl/dsa.h
-dsa_vrf.o: ../../include/openssl/e_os.h ../../include/openssl/e_os2.h
-dsa_vrf.o: ../../include/openssl/err.h ../../include/openssl/lhash.h
+dsa_vrf.o: ../../include/openssl/bio.h ../../include/openssl/blowfish.h
+dsa_vrf.o: ../../include/openssl/bn.h ../../include/openssl/buffer.h
+dsa_vrf.o: ../../include/openssl/cast.h ../../include/openssl/crypto.h
+dsa_vrf.o: ../../include/openssl/des.h ../../include/openssl/dh.h
+dsa_vrf.o: ../../include/openssl/dsa.h ../../include/openssl/e_os.h
+dsa_vrf.o: ../../include/openssl/e_os2.h ../../include/openssl/engine.h
+dsa_vrf.o: ../../include/openssl/err.h ../../include/openssl/evp.h
+dsa_vrf.o: ../../include/openssl/idea.h ../../include/openssl/lhash.h
+dsa_vrf.o: ../../include/openssl/md2.h ../../include/openssl/md4.h
+dsa_vrf.o: ../../include/openssl/md5.h ../../include/openssl/mdc2.h
+dsa_vrf.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
 dsa_vrf.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
-dsa_vrf.o: ../../include/openssl/rand.h ../../include/openssl/safestack.h
-dsa_vrf.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
-dsa_vrf.o: ../cryptlib.h
+dsa_vrf.o: ../../include/openssl/rand.h ../../include/openssl/rc2.h
+dsa_vrf.o: ../../include/openssl/rc4.h ../../include/openssl/rc5.h
+dsa_vrf.o: ../../include/openssl/rijndael-alg-fst.h
+dsa_vrf.o: ../../include/openssl/rijndael.h ../../include/openssl/ripemd.h
+dsa_vrf.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
+dsa_vrf.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
+dsa_vrf.o: ../../include/openssl/symhacks.h ../cryptlib.h
diff --git a/crypto/dsa/dsa.h b/crypto/dsa/dsa.h
index 3ebcc4a..65689a3 100644
--- a/crypto/dsa/dsa.h
+++ b/crypto/dsa/dsa.h
@@ -133,7 +133,11 @@
 	char *method_mont_p;
 	int references;
 	CRYPTO_EX_DATA ex_data;
+#if 0
 	DSA_METHOD *meth;
+#else
+	struct engine_st *engine;
+#endif
 	};
 
 #define DSAparams_dup(x) (DSA *)ASN1_dup((int (*)())i2d_DSAparams, \
@@ -159,12 +163,20 @@
 
 DSA_METHOD *DSA_OpenSSL(void);
 
-void        DSA_set_default_method(DSA_METHOD *);
-DSA_METHOD *DSA_get_default_method(void);
+void        DSA_set_default_openssl_method(DSA_METHOD *);
+DSA_METHOD *DSA_get_default_openssl_method(void);
+#if 0
 DSA_METHOD *DSA_set_method(DSA *dsa, DSA_METHOD *);
+#else
+int DSA_set_method(DSA *dsa, struct engine_st *engine);
+#endif
 
 DSA *	DSA_new(void);
+#if 0
 DSA *	DSA_new_method(DSA_METHOD *meth);
+#else
+DSA *	DSA_new_method(struct engine_st *engine);
+#endif
 int	DSA_size(DSA *);
 	/* next 4 return -1 on error */
 int	DSA_sign_setup( DSA *dsa,BN_CTX *ctx_in,BIGNUM **kinvp,BIGNUM **rp);
diff --git a/crypto/dsa/dsa_lib.c b/crypto/dsa/dsa_lib.c
index be30d18..b31b946 100644
--- a/crypto/dsa/dsa_lib.c
+++ b/crypto/dsa/dsa_lib.c
@@ -63,6 +63,7 @@
 #include <openssl/bn.h>
 #include <openssl/dsa.h>
 #include <openssl/asn1.h>
+#include <openssl/engine.h>
 
 const char *DSA_version="DSA" OPENSSL_VERSION_PTEXT;
 
@@ -70,12 +71,26 @@
 static int dsa_meth_num = 0;
 static STACK_OF(CRYPTO_EX_DATA_FUNCS) *dsa_meth = NULL;
 
-void DSA_set_default_method(DSA_METHOD *meth)
+void DSA_set_default_openssl_method(DSA_METHOD *meth)
 {
-	default_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);
+			}
+		}
 }
 
-DSA_METHOD *DSA_get_default_method(void)
+DSA_METHOD *DSA_get_default_openssl_method(void)
 {
 	if(!default_DSA_method) default_DSA_method = DSA_OpenSSL();
 	return default_DSA_method;
@@ -86,6 +101,7 @@
 	return DSA_new_method(NULL);
 }
 
+#if 0
 DSA_METHOD *DSA_set_method(DSA *dsa, DSA_METHOD *meth)
 {
         DSA_METHOD *mtmp;
@@ -95,10 +111,33 @@
         if (meth->init) meth->init(dsa);
         return mtmp;
 }
-
-
-DSA *DSA_new_method(DSA_METHOD *meth)
+#else
+int DSA_set_method(DSA *dsa, ENGINE *engine)
 	{
+	ENGINE *mtmp;
+	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
+	{
+	DSA_METHOD *meth;
 	DSA *ret;
 
 	ret=(DSA *)OPENSSL_malloc(sizeof(DSA));
@@ -107,8 +146,17 @@
 		DSAerr(DSA_F_DSA_NEW,ERR_R_MALLOC_FAILURE);
 		return(NULL);
 		}
-	if(meth) ret->meth = meth;
-	else ret->meth = DSA_get_default_method();
+	if(engine)
+		ret->engine = engine;
+	else
+		{
+		if((ret->engine=ENGINE_get_default_DSA()) == NULL)
+			{
+			OPENSSL_free(ret);
+			return NULL;
+			}
+		}
+	meth = ENGINE_get_DSA(ret->engine);
 	ret->pad=0;
 	ret->version=0;
 	ret->write_params=1;
@@ -124,8 +172,8 @@
 	ret->method_mont_p=NULL;
 
 	ret->references=1;
-	ret->flags=ret->meth->flags;
-	if ((ret->meth->init != NULL) && !ret->meth->init(ret))
+	ret->flags=meth->flags;
+	if ((meth->init != NULL) && !meth->init(ret))
 		{
 		OPENSSL_free(ret);
 		ret=NULL;
@@ -138,6 +186,7 @@
 
 void DSA_free(DSA *r)
 	{
+	DSA_METHOD *meth;
 	int i;
 
 	if (r == NULL) return;
@@ -157,7 +206,9 @@
 
 	CRYPTO_free_ex_data(dsa_meth, r, &r->ex_data);
 
-	if(r->meth->finish) r->meth->finish(r);
+	meth = ENGINE_get_DSA(r->engine);
+	if(meth->finish) meth->finish(r);
+	ENGINE_finish(r->engine);
 
 	if (r->p != NULL) BN_clear_free(r->p);
 	if (r->q != NULL) BN_clear_free(r->q);
diff --git a/crypto/dsa/dsa_ossl.c b/crypto/dsa/dsa_ossl.c
index 0943565..96295dc 100644
--- a/crypto/dsa/dsa_ossl.c
+++ b/crypto/dsa/dsa_ossl.c
@@ -64,6 +64,7 @@
 #include <openssl/dsa.h>
 #include <openssl/rand.h>
 #include <openssl/asn1.h>
+#include <openssl/engine.h>
 
 static DSA_SIG *dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
 static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp);
@@ -195,7 +196,7 @@
 		}
 
 	/* Compute r = (g^k mod p) mod q */
-	if (!dsa->meth->bn_mod_exp(dsa, r,dsa->g,&k,dsa->p,ctx,
+	if (!ENGINE_get_DSA(dsa->engine)->bn_mod_exp(dsa, r,dsa->g,&k,dsa->p,ctx,
 		(BN_MONT_CTX *)dsa->method_mont_p)) goto err;
 	if (!BN_mod(r,r,dsa->q,ctx)) goto err;
 
@@ -273,7 +274,7 @@
 	if (!BN_mod(&u1,&u1,dsa->q,ctx)) goto err;
 #else
 	{
-	if (!dsa->meth->dsa_mod_exp(dsa, &t1,dsa->g,&u1,dsa->pub_key,&u2,
+	if (!ENGINE_get_DSA(dsa->engine)->dsa_mod_exp(dsa, &t1,dsa->g,&u1,dsa->pub_key,&u2,
 						dsa->p,ctx,mont)) goto err;
 	/* BN_copy(&u1,&t1); */
 	/* let u1 = u1 mod q */
diff --git a/crypto/dsa/dsa_sign.c b/crypto/dsa/dsa_sign.c
index 8920502..dfe27ba 100644
--- a/crypto/dsa/dsa_sign.c
+++ b/crypto/dsa/dsa_sign.c
@@ -64,10 +64,11 @@
 #include <openssl/dsa.h>
 #include <openssl/rand.h>
 #include <openssl/asn1.h>
+#include <openssl/engine.h>
 
 DSA_SIG * DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
 	{
-	return dsa->meth->dsa_do_sign(dgst, dlen, dsa);
+	return ENGINE_get_DSA(dsa->engine)->dsa_do_sign(dgst, dlen, dsa);
 	}
 
 int DSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char *sig,
@@ -87,6 +88,6 @@
 
 int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp)
 	{
-	return dsa->meth->dsa_sign_setup(dsa, ctx_in, kinvp, rp);
+	return ENGINE_get_DSA(dsa->engine)->dsa_sign_setup(dsa, ctx_in, kinvp, rp);
 	}
 
diff --git a/crypto/dsa/dsa_vrf.c b/crypto/dsa/dsa_vrf.c
index 03277f8..2e891ae 100644
--- a/crypto/dsa/dsa_vrf.c
+++ b/crypto/dsa/dsa_vrf.c
@@ -65,11 +65,12 @@
 #include <openssl/rand.h>
 #include <openssl/asn1.h>
 #include <openssl/asn1_mac.h>
+#include <openssl/engine.h>
 
 int DSA_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig,
 		  DSA *dsa)
 	{
-	return dsa->meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
+	return ENGINE_get_DSA(dsa->engine)->dsa_do_verify(dgst, dgst_len, sig, dsa);
 	}
 
 /* data has already been hashed (probably with SHA or SHA-1). */