From 9b2eaebdf6eb46321403bfc6af1145d051d3bbdc Mon Sep 17 00:00:00 2001
From: Guus Sliepen <guus@tinc-vpn.org>
Date: Tue, 15 Oct 2013 14:09:42 +0200
Subject: [PATCH] Fix sending empty SPTPS records.
---
src/openssl/cipher.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/openssl/cipher.c b/src/openssl/cipher.c
index b01f5267..5172d82e 100644
--- a/src/openssl/cipher.c
+++ b/src/openssl/cipher.c
@@ -160,7 +160,7 @@ bool cipher_gcm_encrypt_start(cipher_t *cipher, const void *indata, size_t inlen
bool cipher_gcm_encrypt_finish(cipher_t *cipher, const void *indata, size_t inlen, void *outdata, size_t *outlen) {
int len = 0, pad = 0;
- if(!(inlen && EVP_EncryptUpdate(&cipher->ctx, (unsigned char *)outdata, &len, (unsigned char *)indata, inlen))
+ if((inlen && !EVP_EncryptUpdate(&cipher->ctx, (unsigned char *)outdata, &len, (unsigned char *)indata, inlen))
|| !EVP_EncryptFinal(&cipher->ctx, (unsigned char *)outdata + len, &pad)) {
logger(DEBUG_ALWAYS, LOG_ERR, "Error while encrypting: %s", ERR_error_string(ERR_get_error(), NULL));
return false;
--
2.39.5