Merge cherrypicks of ['googleplex-android-review.googlesource.com/21142901'] into security-aosp-tm-release.
Change-Id: I0fbcaa8da45eca393bd9e289f5d0fbddbe738669
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go
index ccf9e9d..665faaa 100644
--- a/filesystem/filesystem.go
+++ b/filesystem/filesystem.go
@@ -66,9 +66,13 @@
// TODO(jiyong): allow apex_key to be specified here
Avb_private_key *string `android:"path"`
- // Hash and signing algorithm for avbtool. Default is SHA256_RSA4096.
+ // Signing algorithm for avbtool. Default is SHA256_RSA4096.
Avb_algorithm *string
+ // Hash algorithm used for avbtool (for descriptors). This is passed as hash_algorithm to
+ // avbtool. Default used by avbtool is sha1.
+ Avb_hash_algorithm *string
+
// Name of the partition stored in vbmeta desc. Defaults to the name of this module.
Partition_name *string
@@ -318,7 +322,11 @@
addStr("avb_algorithm", algorithm)
key := android.PathForModuleSrc(ctx, proptools.String(f.properties.Avb_private_key))
addPath("avb_key_path", key)
- addStr("avb_add_hashtree_footer_args", "--do_not_generate_fec")
+ avb_add_hashtree_footer_args := "--do_not_generate_fec"
+ if hashAlgorithm := proptools.String(f.properties.Avb_hash_algorithm); hashAlgorithm != "" {
+ avb_add_hashtree_footer_args += " --hash_algorithm " + hashAlgorithm
+ }
+ addStr("avb_add_hashtree_footer_args", avb_add_hashtree_footer_args)
partitionName := proptools.StringDefault(f.properties.Partition_name, f.Name())
addStr("partition_name", partitionName)
}