meta-digi-arm: trustfence-cst: use /dev/urandom

This is needed in order to avoid indefinitely blocking.

Signed-off-by: Diaz de Grenu, Jose <Jose.DiazdeGrenu@digi.com>
This commit is contained in:
Diaz de Grenu, Jose 2016-07-12 17:49:07 +02:00
parent ceb9ca1537
commit 37eb7db2dc
2 changed files with 23 additions and 0 deletions

View File

@ -0,0 +1,22 @@
From: "Diaz de Grenu, Jose" <Jose.DiazdeGrenu@digi.com>
Date: Tue, 12 Jul 2016 17:47:24 +0200
Subject: [PATCH] openssl_helper: use /dev/urandom as seed source
This is needed in order to avoid indefinitely blocking.
Signed-off-by: Diaz de Grenu, Jose <Jose.DiazdeGrenu@digi.com>
---
code/back_end/src/openssl_helper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/code/back_end/src/openssl_helper.c b/code/back_end/src/openssl_helper.c
index 3c9c779092c5..f0cd4e06f0dd 100644
--- a/code/back_end/src/openssl_helper.c
+++ b/code/back_end/src/openssl_helper.c
@@ -486,7 +486,7 @@ void print_version(void)
---------------------------*/
uint32_t seed_prng(uint32_t bytes)
{
- return RAND_load_file("/dev/random", bytes);
+ return RAND_load_file("/dev/urandom", bytes);
}

View File

@ -11,6 +11,7 @@ SRC_URI = " \
${@base_conditional('TRUSTFENCE_SIGN', '1', 'file://cst-${PV}.tar.gz', '', d)} \
file://0001-gen_auth_encrypted_data-reuse-existing-DEK-file.patch \
file://0002-hab4_pki_tree.sh-automate-script.patch \
file://0003-openssl_helper-use-dev-urandom-as-seed-source.patch \
file://Makefile \
"