commit 105b59a9b91dbaeac04ef852a45206a57eed61db
author Fabio Utzig <utzig@apache.org> Mon May 13 15:08:12 2019 -0700
committer Fabio Utzig <utzig@utzig.org> Thu May 16 14:01:19 2019 -0300
tree c5f736cc4f1a4b9e098170847de5942239dd8c43
parent 61f86fd8480f5dce31df05d08c133f1012f32b13

Add Zephyr config for RSA-3072

Signed-off-by: Fabio Utzig <utzig@apache.org>

boot/zephyr/include/config-rsa.h

diff --git a/boot/zephyr/include/config-rsa.h b/boot/zephyr/include/config-rsa.h
index 2e1153d..3e05692 100644
--- a/boot/zephyr/include/config-rsa.h
+++ b/boot/zephyr/include/config-rsa.h
@@ -66,7 +66,12 @@
 
 /* Save RAM by adjusting to our exact needs */
 #define MBEDTLS_ECP_MAX_BITS             2048
+
+#if (CONFIG_BOOT_SIGNATURE_TYPE_RSA_LEN == 3072)
+#define MBEDTLS_MPI_MAX_SIZE              384
+#else
 #define MBEDTLS_MPI_MAX_SIZE              256
+#endif
 
 #define MBEDTLS_SSL_MAX_CONTENT_LEN 1024