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 183836c85c4fb7ff266b9e04fb6d527af8710d96..f6ac94c6e1bba4464a6f6c7239cd42bde6fb9dfc 100644 (file)
--- 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
        {