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diff src/event/ngx_event_openssl.c @ 3959:b1f48fa31e6c

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MSIE export versions are rare now, so RSA 512 key is generated on demand and is shared among all hosts instead of pregenerating for every HTTPS host on configuraiton phase. This decreases start time for configuration with large number of HTTPS hosts.
author Igor Sysoev <igor@sysoev.ru>
date Wed, 20 Jul 2011 12:59:24 +0000
parents 033015e01eec
children 0832a6997227
line wrap: on
line diff
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -371,28 +371,18 @@ ngx_ssl_info_callback(const ngx_ssl_conn
 }
 
 
-ngx_int_t
-ngx_ssl_generate_rsa512_key(ngx_ssl_t *ssl)
+RSA *
+ngx_ssl_rsa512_key_callback(SSL *ssl, int is_export, int key_length)
 {
-    RSA  *key;
-
-    if (SSL_CTX_need_tmp_RSA(ssl->ctx) == 0) {
-        return NGX_OK;
+    static RSA  *key;
+
+    if (key_length == 512) {
+        if (key == NULL) {
+            key = RSA_generate_key(512, RSA_F4, NULL, NULL);
+        }
     }
 
-    key = RSA_generate_key(512, RSA_F4, NULL, NULL);
-
-    if (key) {
-        SSL_CTX_set_tmp_rsa(ssl->ctx, key);
-
-        RSA_free(key);
-
-        return NGX_OK;
-    }
-
-    ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "RSA_generate_key(512) failed");
-
-    return NGX_ERROR;
+    return key;
 }