X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Frsa%2Frsa_lib.c;h=6ebb0b552a54b629f3535712cbedf1576e1d8032;hp=6732e9832f6737fdad203549cda8261dedf01ebd;hb=0b5806b5f5f496d695a88656118b7ee9a9a28c52;hpb=6b691a5c85ddc4e407e32781841fee5c029506cd;ds=sidebyside

diff --git a/crypto/rsa/rsa_lib.c b/crypto/rsa/rsa_lib.c
index 6732e9832f..6ebb0b552a 100644
--- a/crypto/rsa/rsa_lib.c
+++ b/crypto/rsa/rsa_lib.c
@@ -57,51 +57,122 @@
  */
 
 #include <stdio.h>
-#include "crypto.h"
+#include <openssl/crypto.h>
 #include "cryptlib.h"
-#include "lhash.h"
-#include "bn.h"
-#include "rsa.h"
+#include <openssl/lhash.h>
+#include <openssl/bn.h>
+#include <openssl/rsa.h>
+#include <openssl/engine.h>
 
 const char *RSA_version="RSA" OPENSSL_VERSION_PTEXT;
 
-static RSA_METHOD *default_RSA_meth=NULL;
+static const RSA_METHOD *default_RSA_meth=NULL;
 static int rsa_meth_num=0;
-static STACK *rsa_meth=NULL;
+static STACK_OF(CRYPTO_EX_DATA_FUNCS) *rsa_meth=NULL;
 
 RSA *RSA_new(void)
 	{
 	return(RSA_new_method(NULL));
 	}
 
-void RSA_set_default_method(RSA_METHOD *meth)
+void RSA_set_default_openssl_method(const RSA_METHOD *meth)
 	{
-	default_RSA_meth=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_RSA_meth != meth)
+		{
+		default_RSA_meth = meth;
+		e = ENGINE_by_id("openssl");
+		if(e)
+			{
+			ENGINE_set_RSA(e, meth);
+			ENGINE_free(e);
+			}
+		}
 	}
 
-RSA *RSA_new_method(RSA_METHOD *meth)
-	{
-	RSA *ret;
-
+const RSA_METHOD *RSA_get_default_openssl_method(void)
+{
 	if (default_RSA_meth == NULL)
 		{
-#ifdef RSAref
+#ifdef RSA_NULL
+		default_RSA_meth=RSA_null_method();
+#else
+#if 0 /* was: #ifdef RSAref */
 		default_RSA_meth=RSA_PKCS1_RSAref();
 #else
 		default_RSA_meth=RSA_PKCS1_SSLeay();
+#endif
 #endif
 		}
-	ret=(RSA *)Malloc(sizeof(RSA));
+
+	return default_RSA_meth;
+}
+
+const RSA_METHOD *RSA_get_method(const RSA *rsa)
+{
+	return ENGINE_get_RSA(rsa->engine);
+}
+
+#if 0
+RSA_METHOD *RSA_set_method(RSA *rsa, RSA_METHOD *meth)
+{
+	RSA_METHOD *mtmp;
+	mtmp = rsa->meth;
+	if (mtmp->finish) mtmp->finish(rsa);
+	rsa->meth = meth;
+	if (meth->init) meth->init(rsa);
+	return mtmp;
+}
+#else
+int RSA_set_method(RSA *rsa, ENGINE *engine)
+{
+	ENGINE *mtmp;
+	const RSA_METHOD *meth;
+	mtmp = rsa->engine;
+	meth = ENGINE_get_RSA(mtmp);
+	if (!ENGINE_init(engine))
+		return 0;
+	if (meth->finish) meth->finish(rsa);
+	rsa->engine = engine;
+	meth = ENGINE_get_RSA(engine);
+	if (meth->init) meth->init(rsa);
+	/* SHOULD ERROR CHECK THIS!!! */
+	ENGINE_finish(mtmp);
+	return 1;
+}
+#endif
+
+#if 0
+RSA *RSA_new_method(RSA_METHOD *meth)
+#else
+RSA *RSA_new_method(ENGINE *engine)
+#endif
+	{
+	const RSA_METHOD *meth;
+	RSA *ret;
+
+	ret=(RSA *)OPENSSL_malloc(sizeof(RSA));
 	if (ret == NULL)
 		{
 		RSAerr(RSA_F_RSA_NEW_METHOD,ERR_R_MALLOC_FAILURE);
 		return(NULL);
 		}
 
-	if (meth == NULL)
-		ret->meth=default_RSA_meth;
+	if (engine == NULL)
+		{
+		if((ret->engine=ENGINE_get_default_RSA()) == NULL)
+			{
+			OPENSSL_free(ret);
+			return NULL;
+			}
+		}
 	else
-		ret->meth=meth;
+		ret->engine=engine;
+	meth = ENGINE_get_RSA(ret->engine);
 
 	ret->pad=0;
 	ret->version=0;
@@ -119,19 +190,20 @@ RSA *RSA_new_method(RSA_METHOD *meth)
 	ret->_method_mod_q=NULL;
 	ret->blinding=NULL;
 	ret->bignum_data=NULL;
-	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))
 		{
-		Free(ret);
+		OPENSSL_free(ret);
 		ret=NULL;
 		}
 	else
-		CRYPTO_new_ex_data(rsa_meth,(char *)ret,&ret->ex_data);
+		CRYPTO_new_ex_data(rsa_meth,ret,&ret->ex_data);
 	return(ret);
 	}
 
 void RSA_free(RSA *r)
 	{
+	const RSA_METHOD *meth;
 	int i;
 
 	if (r == NULL) return;
@@ -149,10 +221,12 @@ void RSA_free(RSA *r)
 		}
 #endif
 
-	CRYPTO_free_ex_data(rsa_meth,(char *)r,&r->ex_data);
+	CRYPTO_free_ex_data(rsa_meth,r,&r->ex_data);
 
-	if (r->meth->finish != NULL)
-		r->meth->finish(r);
+	meth = ENGINE_get_RSA(r->engine);
+	if (meth->finish != NULL)
+		meth->finish(r);
+	ENGINE_finish(r->engine);
 
 	if (r->n != NULL) BN_clear_free(r->n);
 	if (r->e != NULL) BN_clear_free(r->e);
@@ -163,60 +237,64 @@ void RSA_free(RSA *r)
 	if (r->dmq1 != NULL) BN_clear_free(r->dmq1);
 	if (r->iqmp != NULL) BN_clear_free(r->iqmp);
 	if (r->blinding != NULL) BN_BLINDING_free(r->blinding);
-	if (r->bignum_data != NULL) Free_locked(r->bignum_data);
-	Free(r);
+	if (r->bignum_data != NULL) OPENSSL_free_locked(r->bignum_data);
+	OPENSSL_free(r);
 	}
 
-int RSA_get_ex_new_index(long argl, char *argp, int (*new_func)(),
-	     int (*dup_func)(), void (*free_func)())
+int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
+	     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
         {
 	rsa_meth_num++;
 	return(CRYPTO_get_ex_new_index(rsa_meth_num-1,
 		&rsa_meth,argl,argp,new_func,dup_func,free_func));
         }
 
-int RSA_set_ex_data(RSA *r, int idx, char *arg)
+int RSA_set_ex_data(RSA *r, int idx, void *arg)
 	{
 	return(CRYPTO_set_ex_data(&r->ex_data,idx,arg));
 	}
 
-char *RSA_get_ex_data(RSA *r, int idx)
+void *RSA_get_ex_data(const RSA *r, int idx)
 	{
 	return(CRYPTO_get_ex_data(&r->ex_data,idx));
 	}
 
-int RSA_size(RSA *r)
+int RSA_size(const RSA *r)
 	{
 	return(BN_num_bytes(r->n));
 	}
 
-int RSA_public_encrypt(int flen, unsigned char *from, unsigned char *to,
+int RSA_public_encrypt(int flen, const unsigned char *from, unsigned char *to,
 	     RSA *rsa, int padding)
 	{
-	return(rsa->meth->rsa_pub_enc(flen, from, to, rsa, padding));
+	return(ENGINE_get_RSA(rsa->engine)->rsa_pub_enc(flen,
+		from, to, rsa, padding));
 	}
 
-int RSA_private_encrypt(int flen, unsigned char *from, unsigned char *to,
+int RSA_private_encrypt(int flen, const unsigned char *from, unsigned char *to,
 	     RSA *rsa, int padding)
 	{
-	return(rsa->meth->rsa_priv_enc(flen, from, to, rsa, padding));
+	return(ENGINE_get_RSA(rsa->engine)->rsa_priv_enc(flen,
+		from, to, rsa, padding));
 	}
 
-int RSA_private_decrypt(int flen, unsigned char *from, unsigned char *to,
+int RSA_private_decrypt(int flen, const unsigned char *from, unsigned char *to,
 	     RSA *rsa, int padding)
 	{
-	return(rsa->meth->rsa_priv_dec(flen, from, to, rsa, padding));
+	return(ENGINE_get_RSA(rsa->engine)->rsa_priv_dec(flen,
+		from, to, rsa, padding));
 	}
 
-int RSA_public_decrypt(int flen, unsigned char *from, unsigned char *to,
+int RSA_public_decrypt(int flen, const unsigned char *from, unsigned char *to,
 	     RSA *rsa, int padding)
 	{
-	return(rsa->meth->rsa_pub_dec(flen, from, to, rsa, padding));
+	return(ENGINE_get_RSA(rsa->engine)->rsa_pub_dec(flen,
+		from, to, rsa, padding));
 	}
 
-int RSA_flags(RSA *r)
+int RSA_flags(const RSA *r)
 	{
-	return((r == NULL)?0:r->meth->flags);
+	return((r == NULL)?0:ENGINE_get_RSA(r->engine)->flags);
 	}
 
 void RSA_blinding_off(RSA *rsa)
@@ -245,19 +323,20 @@ int RSA_blinding_on(RSA *rsa, BN_CTX *p_ctx)
 	if (rsa->blinding != NULL)
 		BN_BLINDING_free(rsa->blinding);
 
-	A= &(ctx->bn[0]);
-	ctx->tos++;
+	BN_CTX_start(ctx);
+	A = BN_CTX_get(ctx);
 	if (!BN_rand(A,BN_num_bits(rsa->n)-1,1,0)) goto err;
 	if ((Ai=BN_mod_inverse(NULL,A,rsa->n,ctx)) == NULL) goto err;
 
-	if (!rsa->meth->bn_mod_exp(A,A,rsa->e,rsa->n,ctx,rsa->_method_mod_n))
+	if (!ENGINE_get_RSA(rsa->engine)->bn_mod_exp(A,A,
+		rsa->e,rsa->n,ctx,rsa->_method_mod_n))
 	    goto err;
 	rsa->blinding=BN_BLINDING_new(A,Ai,rsa->n);
-	ctx->tos--;
 	rsa->flags|=RSA_FLAG_BLINDING;
 	BN_free(Ai);
 	ret=1;
 err:
+	BN_CTX_end(ctx);
 	if (ctx != p_ctx) BN_CTX_free(ctx);
 	return(ret);
 	}
@@ -281,7 +360,7 @@ int RSA_memory_lock(RSA *r)
 	j=1;
 	for (i=0; i<6; i++)
 		j+= (*t[i])->top;
-	if ((p=Malloc_locked((off+j)*sizeof(BN_ULONG))) == NULL)
+	if ((p=OPENSSL_malloc_locked((off+j)*sizeof(BN_ULONG))) == NULL)
 		{
 		RSAerr(RSA_F_MEMORY_LOCK,ERR_R_MALLOC_FAILURE);
 		return(0);