X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/736cc6d131e571cd9a0d3f2b5b5dc9ab493d207a..9bb8630af3373e7bbf594bfeda731585684e1b69:/sshbn.c

diff --git a/sshbn.c b/sshbn.c
index 2d8359e3..7fe0309a 100644
--- a/sshbn.c
+++ b/sshbn.c
@@ -133,7 +133,7 @@ static void internal_add_shifted(BignumInt *number,
     int bshift = shift % BIGNUM_INT_BITS;
     BignumDblInt addend;
 
-    addend = n << bshift;
+    addend = (BignumDblInt)n << bshift;
 
     while (addend) {
 	addend += number[word];
@@ -729,6 +729,7 @@ Bignum bigmuladd(Bignum a, Bignum b, Bignum addend)
     }
     ret[0] = maxspot;
 
+    sfree(workspace);
     return ret;
 }
 
@@ -908,6 +909,7 @@ Bignum modinv(Bignum number, Bignum modulus)
 	x = bigmuladd(q, xp, t);
 	sign = -sign;
 	freebn(t);
+	freebn(q);
     }
 
     freebn(b);
@@ -1009,5 +1011,6 @@ char *bignum_decimal(Bignum x)
     /*
      * Done.
      */
+    sfree(workspace);
     return ret;
 }