details: http://hg.nginx.org/nginx/rev/c7ecd097b883
branches:
changeset: 5754:c7ecd097b883
user: Piotr Sikora <piotr@cloudflare.com>
date: Sun Jul 06 16:41:13 2014 -0700
description:
SSL: return temporary RSA key only when the key length matches.

This change is mostly cosmetic, because in practice this callback
is used only for 512-bit RSA keys.

Signed-off-by: Piotr Sikora <piotr@cloudflare.com>

diffstat:

src/event/ngx_event_openssl.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)

diffs (20 lines):

diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -652,10 +652,12 @@ ngx_ssl_rsa512_key_callback(ngx_ssl_conn
{
static RSA *key;

- if (key_length == 512) {
- if (key == NULL) {
- key = RSA_generate_key(512, RSA_F4, NULL, NULL);
- }
+ if (key_length != 512) {
+ return NULL;
+ }
+
+ if (key == NULL) {
+ key = RSA_generate_key(512, RSA_F4, NULL, NULL);
}

return key;

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