Remove unnecessary assignment of |e| in |rsa_setup_blinding|.
After its initial assignment, |e| is immediately reassigned another
value and so the initial assignment from |BN_CTX_get| is useless. If
that were not the case, then the |BN_free(e)| at the end of the
function would be very bad.
Change-Id: Id63a172073501c8ac157db9188a22f55ee36b205
Reviewed-on: https://boringssl-review.googlesource.com/6951
Reviewed-by: David Benjamin <davidben@google.com>
diff --git a/crypto/rsa/blinding.c b/crypto/rsa/blinding.c
index d21633f..5addddc 100644
--- a/crypto/rsa/blinding.c
+++ b/crypto/rsa/blinding.c
@@ -415,13 +415,6 @@
ctx = in_ctx;
}
- BN_CTX_start(ctx);
- e = BN_CTX_get(ctx);
- if (e == NULL) {
- OPENSSL_PUT_ERROR(RSA, ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
if (rsa->e == NULL) {
e = rsa_get_public_exp(rsa->d, rsa->p, rsa->q, ctx);
if (e == NULL) {
@@ -450,7 +443,6 @@
}
err:
- BN_CTX_end(ctx);
if (in_ctx == NULL) {
BN_CTX_free(ctx);
}