From 9200bb13d15da4b2a23e6bc92c20e95b74aa2113 Mon Sep 17 00:00:00 2001
From: beck <>
Date: Fri, 15 Dec 2000 02:58:47 +0000
Subject: openssl-engine-0.9.6 merge

---
 src/lib/libcrypto/rsa/rsa_eay.c | 43 ++++++++++++++++++++++++++---------------
 1 file changed, 27 insertions(+), 16 deletions(-)

(limited to 'src/lib/libcrypto/rsa/rsa_eay.c')

diff --git a/src/lib/libcrypto/rsa/rsa_eay.c b/src/lib/libcrypto/rsa/rsa_eay.c
index b7d2460754..8b8a1e279a 100644
--- a/src/lib/libcrypto/rsa/rsa_eay.c
+++ b/src/lib/libcrypto/rsa/rsa_eay.c
@@ -61,6 +61,7 @@
 #include <openssl/bn.h>
 #include <openssl/rsa.h>
 #include <openssl/rand.h>
+#include <openssl/engine.h>
 
 #ifndef RSA_NULL
 
@@ -97,16 +98,18 @@ RSA_METHOD *RSA_PKCS1_SSLeay(void)
 static int RSA_eay_public_encrypt(int flen, unsigned char *from,
 	     unsigned char *to, RSA *rsa, int padding)
 	{
+	const RSA_METHOD *meth;
 	BIGNUM f,ret;
 	int i,j,k,num=0,r= -1;
 	unsigned char *buf=NULL;
 	BN_CTX *ctx=NULL;
 
+	meth = ENGINE_get_RSA(rsa->engine);
 	BN_init(&f);
 	BN_init(&ret);
 	if ((ctx=BN_CTX_new()) == NULL) goto err;
 	num=BN_num_bytes(rsa->n);
-	if ((buf=(unsigned char *)Malloc(num)) == NULL)
+	if ((buf=(unsigned char *)OPENSSL_malloc(num)) == NULL)
 		{
 		RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT,ERR_R_MALLOC_FAILURE);
 		goto err;
@@ -143,7 +146,7 @@ static int RSA_eay_public_encrypt(int flen, unsigned char *from,
 			    goto err;
 		}
 
-	if (!rsa->meth->bn_mod_exp(&ret,&f,rsa->e,rsa->n,ctx,
+	if (!meth->bn_mod_exp(&ret,&f,rsa->e,rsa->n,ctx,
 		rsa->_method_mod_n)) goto err;
 
 	/* put in leading 0 bytes if the number is less than the
@@ -161,7 +164,7 @@ err:
 	if (buf != NULL) 
 		{
 		memset(buf,0,num);
-		Free(buf);
+		OPENSSL_free(buf);
 		}
 	return(r);
 	}
@@ -169,17 +172,19 @@ err:
 static int RSA_eay_private_encrypt(int flen, unsigned char *from,
 	     unsigned char *to, RSA *rsa, int padding)
 	{
+	const RSA_METHOD *meth;
 	BIGNUM f,ret;
 	int i,j,k,num=0,r= -1;
 	unsigned char *buf=NULL;
 	BN_CTX *ctx=NULL;
 
+	meth = ENGINE_get_RSA(rsa->engine);
 	BN_init(&f);
 	BN_init(&ret);
 
 	if ((ctx=BN_CTX_new()) == NULL) goto err;
 	num=BN_num_bytes(rsa->n);
-	if ((buf=(unsigned char *)Malloc(num)) == NULL)
+	if ((buf=(unsigned char *)OPENSSL_malloc(num)) == NULL)
 		{
 		RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT,ERR_R_MALLOC_FAILURE);
 		goto err;
@@ -213,10 +218,10 @@ static int RSA_eay_private_encrypt(int flen, unsigned char *from,
 		(rsa->dmp1 != NULL) &&
 		(rsa->dmq1 != NULL) &&
 		(rsa->iqmp != NULL)) )
-		{ if (!rsa->meth->rsa_mod_exp(&ret,&f,rsa)) goto err; }
+		{ if (!meth->rsa_mod_exp(&ret,&f,rsa)) goto err; }
 	else
 		{
-		if (!rsa->meth->bn_mod_exp(&ret,&f,rsa->d,rsa->n,ctx,NULL)) goto err;
+		if (!meth->bn_mod_exp(&ret,&f,rsa->d,rsa->n,ctx,NULL)) goto err;
 		}
 
 	if (rsa->flags & RSA_FLAG_BLINDING)
@@ -237,7 +242,7 @@ err:
 	if (buf != NULL)
 		{
 		memset(buf,0,num);
-		Free(buf);
+		OPENSSL_free(buf);
 		}
 	return(r);
 	}
@@ -245,12 +250,14 @@ err:
 static int RSA_eay_private_decrypt(int flen, unsigned char *from,
 	     unsigned char *to, RSA *rsa, int padding)
 	{
+	const RSA_METHOD *meth;
 	BIGNUM f,ret;
 	int j,num=0,r= -1;
 	unsigned char *p;
 	unsigned char *buf=NULL;
 	BN_CTX *ctx=NULL;
 
+	meth = ENGINE_get_RSA(rsa->engine);
 	BN_init(&f);
 	BN_init(&ret);
 	ctx=BN_CTX_new();
@@ -258,7 +265,7 @@ static int RSA_eay_private_decrypt(int flen, unsigned char *from,
 
 	num=BN_num_bytes(rsa->n);
 
-	if ((buf=(unsigned char *)Malloc(num)) == NULL)
+	if ((buf=(unsigned char *)OPENSSL_malloc(num)) == NULL)
 		{
 		RSAerr(RSA_F_RSA_EAY_PRIVATE_DECRYPT,ERR_R_MALLOC_FAILURE);
 		goto err;
@@ -287,10 +294,10 @@ static int RSA_eay_private_decrypt(int flen, unsigned char *from,
 		(rsa->dmp1 != NULL) &&
 		(rsa->dmq1 != NULL) &&
 		(rsa->iqmp != NULL)) )
-		{ if (!rsa->meth->rsa_mod_exp(&ret,&f,rsa)) goto err; }
+		{ if (!meth->rsa_mod_exp(&ret,&f,rsa)) goto err; }
 	else
 		{
-		if (!rsa->meth->bn_mod_exp(&ret,&f,rsa->d,rsa->n,ctx,NULL))
+		if (!meth->bn_mod_exp(&ret,&f,rsa->d,rsa->n,ctx,NULL))
 			goto err;
 		}
 
@@ -330,7 +337,7 @@ err:
 	if (buf != NULL)
 		{
 		memset(buf,0,num);
-		Free(buf);
+		OPENSSL_free(buf);
 		}
 	return(r);
 	}
@@ -338,19 +345,21 @@ err:
 static int RSA_eay_public_decrypt(int flen, unsigned char *from,
 	     unsigned char *to, RSA *rsa, int padding)
 	{
+	const RSA_METHOD *meth;
 	BIGNUM f,ret;
 	int i,num=0,r= -1;
 	unsigned char *p;
 	unsigned char *buf=NULL;
 	BN_CTX *ctx=NULL;
 
+	meth = ENGINE_get_RSA(rsa->engine);
 	BN_init(&f);
 	BN_init(&ret);
 	ctx=BN_CTX_new();
 	if (ctx == NULL) goto err;
 
 	num=BN_num_bytes(rsa->n);
-	buf=(unsigned char *)Malloc(num);
+	buf=(unsigned char *)OPENSSL_malloc(num);
 	if (buf == NULL)
 		{
 		RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT,ERR_R_MALLOC_FAILURE);
@@ -374,7 +383,7 @@ static int RSA_eay_public_decrypt(int flen, unsigned char *from,
 			    goto err;
 		}
 
-	if (!rsa->meth->bn_mod_exp(&ret,&f,rsa->e,rsa->n,ctx,
+	if (!meth->bn_mod_exp(&ret,&f,rsa->e,rsa->n,ctx,
 		rsa->_method_mod_n)) goto err;
 
 	p=buf;
@@ -402,17 +411,19 @@ err:
 	if (buf != NULL)
 		{
 		memset(buf,0,num);
-		Free(buf);
+		OPENSSL_free(buf);
 		}
 	return(r);
 	}
 
 static int RSA_eay_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa)
 	{
+	const RSA_METHOD *meth;
 	BIGNUM r1,m1;
 	int ret=0;
 	BN_CTX *ctx;
 
+	meth = ENGINE_get_RSA(rsa->engine);
 	if ((ctx=BN_CTX_new()) == NULL) goto err;
 	BN_init(&m1);
 	BN_init(&r1);
@@ -436,11 +447,11 @@ static int RSA_eay_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa)
 		}
 
 	if (!BN_mod(&r1,I,rsa->q,ctx)) goto err;
-	if (!rsa->meth->bn_mod_exp(&m1,&r1,rsa->dmq1,rsa->q,ctx,
+	if (!meth->bn_mod_exp(&m1,&r1,rsa->dmq1,rsa->q,ctx,
 		rsa->_method_mod_q)) goto err;
 
 	if (!BN_mod(&r1,I,rsa->p,ctx)) goto err;
-	if (!rsa->meth->bn_mod_exp(r0,&r1,rsa->dmp1,rsa->p,ctx,
+	if (!meth->bn_mod_exp(r0,&r1,rsa->dmp1,rsa->p,ctx,
 		rsa->_method_mod_p)) goto err;
 
 	if (!BN_sub(r0,r0,&m1)) goto err;
-- 
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