Merged SSH1 robustness changes from 0.55 release branch on to trunk.

[u/mdw/putty] / sshdh.c

diff --git a/sshdh.c b/sshdh.c
index 9235183..af7eaf8 100644 (file)
--- a/sshdh.c
+++ b/sshdh.c
@@ -123,7 +123,7 @@ Bignum dh_create_e(void *handle, int nbits)
            ssh1_write_bignum(buf, ctx->qmask);
            for (i = 2; i < nbytes; i++)
                buf[i] &= random_byte();
-           ssh1_read_bignum(buf, &ctx->x);
+           ssh1_read_bignum(buf, nbytes, &ctx->x);   /* can't fail */
        } else {
            int b, nb;
            ctx->x = bn_power_2(nbits);