4896 Performance improvements for KCF AES modes

@@ -20,10 +20,13 @@
  */
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
+/*
+ * Copyright 2015 by Saso Kiselkov. All rights reserved.
+ */
 
 #include <sys/strsun.h>
 #include <sys/systm.h>
 #include <sys/sysmacros.h>
 #include <sys/kmem.h>

@@ -394,11 +397,11 @@
 }
 
 int
 crypto_update_iov(void *ctx, crypto_data_t *input, crypto_data_t *output,
     int (*cipher)(void *, caddr_t, size_t, crypto_data_t *),
-    void (*copy_block)(uint8_t *, uint64_t *))
+    void (*copy_block)(const uint8_t *, uint64_t *))
 {
         common_ctx_t *common_ctx = ctx;
         int rv;
 
         if (input->cd_miscdata != NULL) {

@@ -416,11 +419,11 @@
 }
 
 int
 crypto_update_uio(void *ctx, crypto_data_t *input, crypto_data_t *output,
     int (*cipher)(void *, caddr_t, size_t, crypto_data_t *),
-    void (*copy_block)(uint8_t *, uint64_t *))
+    void (*copy_block)(const uint8_t *, uint64_t *))
 {
         common_ctx_t *common_ctx = ctx;
         uio_t *uiop = input->cd_uio;
         off_t offset = input->cd_offset;
         size_t length = input->cd_length;

@@ -481,11 +484,11 @@
 }
 
 int
 crypto_update_mp(void *ctx, crypto_data_t *input, crypto_data_t *output,
     int (*cipher)(void *, caddr_t, size_t, crypto_data_t *),
-    void (*copy_block)(uint8_t *, uint64_t *))
+    void (*copy_block)(const uint8_t *, uint64_t *))
 {
         common_ctx_t *common_ctx = ctx;
         off_t offset = input->cd_offset;
         size_t length = input->cd_length;
         mblk_t *mp;