fix assertion

[openssl.git] / crypto / bn / bn_asm.c

diff --git a/crypto/bn/bn_asm.c b/crypto/bn/bn_asm.c
index 3329cc18e6ca6989ae70a4084593935688b472a0..19978085b26a5506e4a61ba2850b2cc7be31f6c8 100644 (file)
--- a/crypto/bn/bn_asm.c
+++ b/crypto/bn/bn_asm.c
@@ -68,7 +68,7 @@
 
 #if defined(BN_LLONG) || defined(BN_UMULT_HIGH)
 
-BN_ULONG bn_mul_add_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)
+BN_ULONG bn_mul_add_words(BN_ULONG *rp, const BN_ULONG *ap, int num, BN_ULONG w)
        {
        BN_ULONG c1=0;
 
@@ -93,7 +93,7 @@ BN_ULONG bn_mul_add_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)
        return(c1);
        } 
 
-BN_ULONG bn_mul_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)
+BN_ULONG bn_mul_words(BN_ULONG *rp, const BN_ULONG *ap, int num, BN_ULONG w)
        {
        BN_ULONG c1=0;
 
@@ -117,7 +117,7 @@ BN_ULONG bn_mul_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)
        return(c1);
        } 
 
-void bn_sqr_words(BN_ULONG *r, BN_ULONG *a, int n)
+void bn_sqr_words(BN_ULONG *r, const BN_ULONG *a, int n)
         {
        assert(n >= 0);
        if (n <= 0) return;
@@ -139,7 +139,7 @@ void bn_sqr_words(BN_ULONG *r, BN_ULONG *a, int n)
 
 #else /* !(defined(BN_LLONG) || defined(BN_UMULT_HIGH)) */
 
-BN_ULONG bn_mul_add_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)
+BN_ULONG bn_mul_add_words(BN_ULONG *rp, const BN_ULONG *ap, int num, BN_ULONG w)
        {
        BN_ULONG c=0;
        BN_ULONG bl,bh;
@@ -166,7 +166,7 @@ BN_ULONG bn_mul_add_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)
        return(c);
        } 
 
-BN_ULONG bn_mul_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)
+BN_ULONG bn_mul_words(BN_ULONG *rp, const BN_ULONG *ap, int num, BN_ULONG w)
        {
        BN_ULONG carry=0;
        BN_ULONG bl,bh;
@@ -193,7 +193,7 @@ BN_ULONG bn_mul_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)
        return(carry);
        } 
 
-void bn_sqr_words(BN_ULONG *r, BN_ULONG *a, int n)
+void bn_sqr_words(BN_ULONG *r, const BN_ULONG *a, int n)
         {
        assert(n >= 0);
        if (n <= 0) return;
@@ -227,7 +227,7 @@ BN_ULONG bn_div_words(BN_ULONG h, BN_ULONG l, BN_ULONG d)
 
 #else
 
-/* Divide h-l by d and return the result. */
+/* Divide h,l by d and return the result. */
 /* I need to test this some more :-( */
 BN_ULONG bn_div_words(BN_ULONG h, BN_ULONG l, BN_ULONG d)
        {
@@ -237,13 +237,8 @@ BN_ULONG bn_div_words(BN_ULONG h, BN_ULONG l, BN_ULONG d)
        if (d == 0) return(BN_MASK2);
 
        i=BN_num_bits_word(d);
-       if ((i != BN_BITS2) && (h > (BN_ULONG)1<<i))
-               {
-#if !defined(NO_STDIO) && !defined(WIN16)
-               fprintf(stderr,"Division would overflow (%d)\n",i);
-#endif
-               abort();
-               }
+       assert((i == BN_BITS2) || (h <= (BN_ULONG)1<<i));
+
        i=BN_BITS2-i;
        if (h >= d) h-=d;
 
@@ -301,7 +296,7 @@ BN_ULONG bn_div_words(BN_ULONG h, BN_ULONG l, BN_ULONG d)
 #endif /* !defined(BN_LLONG) && defined(BN_DIV2W) */
 
 #ifdef BN_LLONG
-BN_ULONG bn_add_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n)
+BN_ULONG bn_add_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b, int n)
         {
        BN_ULLONG ll=0;
 
@@ -337,7 +332,7 @@ BN_ULONG bn_add_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n)
        return((BN_ULONG)ll);
        }
 #else /* !BN_LLONG */
-BN_ULONG bn_add_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n)
+BN_ULONG bn_add_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b, int n)
         {
        BN_ULONG c,l,t;
 
@@ -387,7 +382,7 @@ BN_ULONG bn_add_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n)
        }
 #endif /* !BN_LLONG */
 
-BN_ULONG bn_sub_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n)
+BN_ULONG bn_sub_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b, int n)
         {
        BN_ULONG t1,t2;
        int c=0;
@@ -678,7 +673,7 @@ void bn_mul_comba4(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b)
        r[7]=c2;
        }
 
-void bn_sqr_comba8(BN_ULONG *r, BN_ULONG *a)
+void bn_sqr_comba8(BN_ULONG *r, const BN_ULONG *a)
        {
 #ifdef BN_LLONG
        BN_ULLONG t,tt;
@@ -759,7 +754,7 @@ void bn_sqr_comba8(BN_ULONG *r, BN_ULONG *a)
        r[15]=c1;
        }
 
-void bn_sqr_comba4(BN_ULONG *r, BN_ULONG *a)
+void bn_sqr_comba4(BN_ULONG *r, const BN_ULONG *a)
        {
 #ifdef BN_LLONG
        BN_ULLONG t,tt;