commit dd76ef359df0ffd321de56863ebf82c72c4a75ba
author Werner Lewis <Werner.Lewis@arm.com> Mon May 30 12:00:21 2022 +0100
committer Werner Lewis <werner.lewis@arm.com> Wed Jun 29 16:17:50 2022 +0100
tree 2d792a6dad76dfe5a4a2d11d652e2f1e6344a59e
parent 07040bb179f2fb3afc9bf26a0a5dbb62838e19bc

Refactor AES context to be shallow-copyable

Replace RK pointer in AES context with a buffer offset, to allow
shallow copying. Fixes #2147.

Signed-off-by: Werner Lewis <werner.lewis@arm.com>

library/aesni.c

diff --git a/library/aesni.c b/library/aesni.c
index be226c9..87d818a 100644
--- a/library/aesni.c
+++ b/library/aesni.c
@@ -127,7 +127,7 @@
          "3:                        \n\t"
          "movdqu    %%xmm0, (%4)    \n\t" // export output
          :
-         : "r" (ctx->nr), "r" (ctx->rk), "r" (mode), "r" (input), "r" (output)
+         : "r" (ctx->nr), "r" (ctx->buf + ctx->rk_offset), "r" (mode), "r" (input), "r" (output)
          : "memory", "cc", "xmm0", "xmm1" );