From: Dr. Stephen Henson <steve@openssl.org>
Date: Thu, 28 Apr 2005 00:21:29 +0000 (+0000)
Subject: Increase offset for BIO_f_enc() to avoid problems with overlapping buffers
X-Git-Tag: OpenSSL_0_9_8-beta1~13^2~96
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=a93b01be5735f26dd064160d3b132e1e27a4996e;p=oweals%2Fopenssl.git

Increase offset for BIO_f_enc() to avoid problems with overlapping buffers
when decrypting data.
---

diff --git a/crypto/evp/bio_enc.c b/crypto/evp/bio_enc.c
index 183836c85c..f6ac94c6e1 100644
--- a/crypto/evp/bio_enc.c
+++ b/crypto/evp/bio_enc.c
@@ -71,7 +71,7 @@ static int enc_new(BIO *h);
 static int enc_free(BIO *data);
 static long enc_callback_ctrl(BIO *h, int cmd, bio_info_cb *fps);
 #define ENC_BLOCK_SIZE	(1024*4)
-#define BUF_OFFSET	EVP_MAX_BLOCK_LENGTH
+#define BUF_OFFSET	(EVP_MAX_BLOCK_LENGTH*2)
 
 typedef struct enc_struct
 	{