X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fbn%2Fbn_mont.c;h=202eec4462f3e52bc2613e54ecd8cd25729c400a;hp=598fecbf0c89fb2d8932951105c79210a46ef4ac;hb=020fc820dc90dbbcf0d7e3f3345af9e44cf905a7;hpb=0b8fa44ef070a4ce08f6b9f26ecdac4e689f02f1

diff --git a/crypto/bn/bn_mont.c b/crypto/bn/bn_mont.c
index 598fecbf0c..202eec4462 100644
--- a/crypto/bn/bn_mont.c
+++ b/crypto/bn/bn_mont.c
@@ -69,7 +69,7 @@
 
 #define MONT_WORD /* use the faster word-based algorithm */
 
-int BN_mod_mul_montgomery(BIGNUM *r, BIGNUM *a, BIGNUM *b,
+int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
 			  BN_MONT_CTX *mont, BN_CTX *ctx)
 	{
 	BIGNUM *tmp,*tmp2;
@@ -85,16 +85,7 @@ int BN_mod_mul_montgomery(BIGNUM *r, BIGNUM *a, BIGNUM *b,
 
 	if (a == b)
 		{
-#if 0
-		bn_wexpand(tmp,a->top*2);
-		bn_wexpand(tmp2,a->top*4);
-		bn_sqr_recursive(tmp->d,a->d,a->top,tmp2->d);
-		tmp->top=a->top*2;
-		if (tmp->d[tmp->top-1] == 0)
-			tmp->top--;
-#else
 		if (!BN_sqr(tmp,a,ctx)) goto err;
-#endif
 		}
 	else
 		{
@@ -157,7 +148,22 @@ int BN_from_montgomery(BIGNUM *ret, BIGNUM *a, BN_MONT_CTX *mont,
 #endif
 	for (i=0; i<nl; i++)
 		{
+#ifdef __TANDEM
+                {
+                   long long t1;
+                   long long t2;
+                   long long t3;
+                   t1 = rp[0] * (n0 & 0177777);
+                   t2 = 037777600000l;
+                   t2 = n0 & t2;
+                   t3 = rp[0] & 0177777;
+                   t2 = (t3 * t2) & BN_MASK2;
+                   t1 = t1 + t2;
+                   v=bn_mul_add_words(rp,np,nl,(BN_ULONG) t1);
+                }
+#else
 		v=bn_mul_add_words(rp,np,nl,(rp[0]*n0)&BN_MASK2);
+#endif
 		nrp++;
 		rp++;
 		if (((nrp[-1]+=v)&BN_MASK2) >= v)
@@ -175,6 +181,7 @@ int BN_from_montgomery(BIGNUM *ret, BIGNUM *a, BN_MONT_CTX *mont,
 #if 0
 	BN_rshift(ret,r,mont->ri);
 #else
+	ret->neg = r->neg;
 	x=ri;
 	rp=ret->d;
 	ap= &(r->d[x]);
@@ -234,7 +241,7 @@ BN_MONT_CTX *BN_MONT_CTX_new(void)
 	{
 	BN_MONT_CTX *ret;
 
-	if ((ret=(BN_MONT_CTX *)Malloc(sizeof(BN_MONT_CTX))) == NULL)
+	if ((ret=(BN_MONT_CTX *)OPENSSL_malloc(sizeof(BN_MONT_CTX))) == NULL)
 		return(NULL);
 
 	BN_MONT_CTX_init(ret);
@@ -260,7 +267,7 @@ void BN_MONT_CTX_free(BN_MONT_CTX *mont)
 	BN_free(&(mont->N));
 	BN_free(&(mont->Ni));
 	if (mont->flags & BN_FLG_MALLOCED)
-		Free(mont);
+		OPENSSL_free(mont);
 	}
 
 int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
@@ -284,7 +291,7 @@ int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
 		buf[1]=0;
 		tmod.d=buf;
 		tmod.top=1;
-		tmod.max=2;
+		tmod.dmax=2;
 		tmod.neg=mod->neg;
 							/* Ri = R^-1 mod N*/
 		if ((BN_mod_inverse(&Ri,R,&tmod,ctx)) == NULL)