only cleanup ctx if we need to, save ctx flags when we do

This commit is contained in:
Dr. Stephen Henson 2012-02-10 16:55:17 +00:00
parent 7951c2699f
commit f94cfe6a12

View File

@ -115,10 +115,14 @@ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, ENGINE *imp
/* Ensure a context left lying around from last time is cleared
* (the previous check attempted to avoid this if the same
* ENGINE and EVP_CIPHER could be used). */
EVP_CIPHER_CTX_cleanup(ctx);
/* Restore encrypt field: it is zeroed by cleanup */
ctx->encrypt = enc;
if (ctx->cipher)
{
unsigned long flags = ctx->flags;
EVP_CIPHER_CTX_cleanup(ctx);
/* Restore encrypt and flags */
ctx->encrypt = enc;
ctx->flags = flags;
}
#ifndef OPENSSL_NO_ENGINE
if(impl)
{