zephyr: Fix ED25519 compilation with mbedTLS

de-nordic · nordicjm · commit f523c60dbd60 · 2025-03-13T14:23:14.000Z
ED25519 with mbedTLS has not been linking due to missing SHA512,
which is internally required by ED25519 implementation.

Signed-off-by: Dominik Ermel &lt;dominik.ermel@nordicsemi.no&gt;
diff --git a/boot/zephyr/Kconfig b/boot/zephyr/Kconfig
@@ -292,7 +292,9 @@ config BOOT_ED25519_TINYCRYPT
 config BOOT_ED25519_MBEDTLS
 	bool "Use mbedTLS"
 	select BOOT_USE_MBEDTLS
+	select BOOT_IMG_HASH_ALG_SHA512_ALLOW
 	select MBEDTLS
+	select MBEDTLS_SHA512
 	select MBEDTLS_ASN1_PARSE_C if MBEDTLS_BUILTIN && !BOOT_KEY_IMPORT_BYPASS_ASN
 	select BOOT_AES_MBEDTLS_DEPENDENCIES if MBEDTLS_BUILTIN && BOOT_ENCRYPT_IMAGE
 
